\", i.assembly = Nc.trim(r), i.fileName = \"\", i.line = 0;\n var o = r.match(xp.regex);\n o && 5 <= o.length && (i.method = Nc.trim(o[2]) || i.method, i.fileName = Nc.trim(o[4]), i.line = parseInt(o[5]) || 0);\n } else i.level = t.level, i.method = t.method, i.assembly = t.assembly, i.fileName = t.fileName, i.line = t.line, i.sizeInBytes = 0;\n\n return i.sizeInBytes += i.method.length, i.sizeInBytes += i.fileName.length, i.sizeInBytes += i.assembly.length, i.sizeInBytes += xp.baseSize, i.sizeInBytes += i.level.toString().length, i.sizeInBytes += i.line.toString().length, i;\n }\n\n var wp,\n bp,\n Mp,\n Cp = (b(Tp, wp = tp), Tp);\n\n function Tp() {\n var t = wp.call(this) || this;\n return t.ver = 2, t.metrics = [], t.properties = {}, t;\n }\n\n (Mp = bp = bp || {})[Mp.Measurement = 0] = \"Measurement\", Mp[Mp.Aggregation = 1] = \"Aggregation\";\n var Ip,\n Sp = (b(Ep, Ip = function Ip() {\n this.kind = bp.Measurement;\n }), Ep);\n\n function Ep() {\n var t = null !== Ip && Ip.apply(this, arguments) || this;\n return t.aiDataContract = {\n name: Ql.Required,\n kind: Ql.Default,\n value: Ql.Required,\n count: Ql.Default,\n min: Ql.Default,\n max: Ql.Default,\n stdDev: Ql.Default\n }, t;\n }\n\n var Lp,\n Ap = (b(Dp, Lp = Cp), Dp.envelopeType = \"Microsoft.ApplicationInsights.{0}.Metric\", Dp.dataType = \"MetricData\", Dp);\n\n function Dp(t, e, i, r, o, n, a) {\n var s = Lp.call(this) || this;\n s.aiDataContract = {\n ver: Ql.Required,\n metrics: Ql.Required,\n properties: Ql.Default\n };\n var l = new Sp();\n return l.count = 0 < r ? r : void 0, l.max = isNaN(n) || null === n ? void 0 : n, l.min = isNaN(o) || null === o ? void 0 : o, l.name = zc.sanitizeString(t, e) || Nc.NotSpecified, l.value = i, s.metrics = [l], s.properties = zc.sanitizeProperties(t, a), s;\n }\n\n var kp,\n zp = (b(Pp, kp = ip), Pp);\n\n function Pp() {\n var t = kp.call(this) || this;\n return t.ver = 2, t.properties = {}, t.measurements = {}, t;\n }\n\n var Np,\n Op = (b(Rp, Np = zp), Rp.envelopeType = \"Microsoft.ApplicationInsights.{0}.Pageview\", Rp.dataType = \"PageviewData\", Rp);\n\n function Rp(t, e, i, r, o, n, a) {\n var s = Np.call(this) || this;\n return s.aiDataContract = {\n ver: Ql.Required,\n name: Ql.Default,\n url: Ql.Default,\n duration: Ql.Default,\n properties: Ql.Default,\n measurements: Ql.Default,\n id: Ql.Default\n }, s.id = zc.sanitizeId(t, a), s.url = zc.sanitizeUrl(t, i), s.name = zc.sanitizeString(t, e) || Nc.NotSpecified, isNaN(r) || (s.duration = Nc.msToTimeSpan(r)), s.properties = zc.sanitizeProperties(t, o), s.measurements = zc.sanitizeMeasurements(t, n), s;\n }\n\n var jp,\n Bp = (b(Up, jp = tp), Up);\n\n function Up() {\n var t = jp.call(this) || this;\n return t.ver = 2, t.success = !0, t.properties = {}, t.measurements = {}, t;\n }\n\n var Fp,\n Vp = (b(qp, Fp = Bp), qp.envelopeType = \"Microsoft.ApplicationInsights.{0}.RemoteDependency\", qp.dataType = \"RemoteDependencyData\", qp);\n\n function qp(t, e, i, r, o, n, a, s, l, u, c, p) {\n void 0 === l && (l = \"Ajax\");\n var h = Fp.call(this) || this;\n h.aiDataContract = {\n id: Ql.Required,\n ver: Ql.Required,\n name: Ql.Default,\n resultCode: Ql.Default,\n duration: Ql.Default,\n success: Ql.Default,\n data: Ql.Default,\n target: Ql.Default,\n type: Ql.Default,\n properties: Ql.Default,\n measurements: Ql.Default,\n kind: Ql.Default,\n value: Ql.Default,\n count: Ql.Default,\n min: Ql.Default,\n max: Ql.Default,\n stdDev: Ql.Default,\n dependencyKind: Ql.Default,\n dependencySource: Ql.Default,\n commandName: Ql.Default,\n dependencyTypeName: Ql.Default\n }, h.id = e, h.duration = Nc.msToTimeSpan(o), h.success = n, h.resultCode = a + \"\", h.type = zc.sanitizeString(t, l);\n var d = Fc.ParseDependencyPath(t, i, s, r);\n return h.data = zc.sanitizeUrl(t, r) || d.data, h.target = zc.sanitizeString(t, d.target), u && (h.target = h.target + \" | \" + u), h.name = zc.sanitizeString(t, d.name), h.properties = zc.sanitizeProperties(t, c), h.measurements = zc.sanitizeMeasurements(t, p), h;\n }\n\n var Gp,\n Zp = (b(Hp, Gp = tp), Hp);\n\n function Hp() {\n var t = Gp.call(this) || this;\n return t.ver = 2, t.properties = {}, t;\n }\n\n var Yp,\n Wp = (b(Xp, Yp = Zp), Xp.envelopeType = \"Microsoft.ApplicationInsights.{0}.Message\", Xp.dataType = \"MessageData\", Xp);\n\n function Xp(t, e, i, r) {\n var o = Yp.call(this) || this;\n return o.aiDataContract = {\n ver: Ql.Required,\n message: Ql.Required,\n severityLevel: Ql.Default,\n properties: Ql.Default\n }, e = e || Nc.NotSpecified, o.message = zc.sanitizeMessage(t, e), o.properties = zc.sanitizeProperties(t, r), i && (o.severityLevel = i), o;\n }\n\n var Kp,\n Qp = (b(Jp, Kp = zp), Jp);\n\n function Jp() {\n var t = Kp.call(this) || this;\n return t.ver = 2, t.properties = {}, t.measurements = {}, t;\n }\n\n var $p,\n th = (b(eh, $p = Qp), eh.envelopeType = \"Microsoft.ApplicationInsights.{0}.PageviewPerformance\", eh.dataType = \"PageviewPerformanceData\", eh);\n\n function eh(t, e, i, r, o, n, a) {\n var s = $p.call(this) || this;\n return s.aiDataContract = {\n ver: Ql.Required,\n name: Ql.Default,\n url: Ql.Default,\n duration: Ql.Default,\n perfTotal: Ql.Default,\n networkConnect: Ql.Default,\n sentRequest: Ql.Default,\n receivedResponse: Ql.Default,\n domProcessing: Ql.Default,\n properties: Ql.Default,\n measurements: Ql.Default\n }, s.url = zc.sanitizeUrl(t, i), s.name = zc.sanitizeString(t, e) || Nc.NotSpecified, s.properties = zc.sanitizeProperties(t, o), s.measurements = zc.sanitizeMeasurements(t, n), a && (s.domProcessing = a.domProcessing, s.duration = a.duration, s.networkConnect = a.networkConnect, s.perfTotal = a.perfTotal, s.receivedResponse = a.receivedResponse, s.sentRequest = a.sentRequest), s;\n }\n\n var ih,\n rh,\n oh,\n nh = (b(ah, ih = Xc), ah);\n\n function ah(t, e) {\n var i = ih.call(this) || this;\n return i.aiDataContract = {\n baseType: Ql.Required,\n baseData: Ql.Required\n }, i.baseType = t, i.baseData = e, i;\n }\n\n (oh = rh = rh || {})[oh.Verbose = 0] = \"Verbose\", oh[oh.Information = 1] = \"Information\", oh[oh.Warning = 2] = \"Warning\", oh[oh.Error = 3] = \"Error\", oh[oh.Critical = 4] = \"Critical\";\n var sh = (lh.getConfig = function (t, e, i, r) {\n var o;\n return void 0 === r && (r = !1), o = i && t.extensionConfig && t.extensionConfig[i] && !nu.isNullOrUndefined(t.extensionConfig[i][e]) ? t.extensionConfig[i][e] : t[e], nu.isNullOrUndefined(o) ? r : o;\n }, lh);\n\n function lh() {}\n\n var uh = function uh() {\n this.applicationVersion = \"ai.application.ver\", this.applicationBuild = \"ai.application.build\", this.applicationTypeId = \"ai.application.typeId\", this.applicationId = \"ai.application.applicationId\", this.applicationLayer = \"ai.application.layer\", this.deviceId = \"ai.device.id\", this.deviceIp = \"ai.device.ip\", this.deviceLanguage = \"ai.device.language\", this.deviceLocale = \"ai.device.locale\", this.deviceModel = \"ai.device.model\", this.deviceFriendlyName = \"ai.device.friendlyName\", this.deviceNetwork = \"ai.device.network\", this.deviceNetworkName = \"ai.device.networkName\", this.deviceOEMName = \"ai.device.oemName\", this.deviceOS = \"ai.device.os\", this.deviceOSVersion = \"ai.device.osVersion\", this.deviceRoleInstance = \"ai.device.roleInstance\", this.deviceRoleName = \"ai.device.roleName\", this.deviceScreenResolution = \"ai.device.screenResolution\", this.deviceType = \"ai.device.type\", this.deviceMachineName = \"ai.device.machineName\", this.deviceVMName = \"ai.device.vmName\", this.deviceBrowser = \"ai.device.browser\", this.deviceBrowserVersion = \"ai.device.browserVersion\", this.locationIp = \"ai.location.ip\", this.locationCountry = \"ai.location.country\", this.locationProvince = \"ai.location.province\", this.locationCity = \"ai.location.city\", this.operationId = \"ai.operation.id\", this.operationName = \"ai.operation.name\", this.operationParentId = \"ai.operation.parentId\", this.operationRootId = \"ai.operation.rootId\", this.operationSyntheticSource = \"ai.operation.syntheticSource\", this.operationCorrelationVector = \"ai.operation.correlationVector\", this.sessionId = \"ai.session.id\", this.sessionIsFirst = \"ai.session.isFirst\", this.sessionIsNew = \"ai.session.isNew\", this.userAccountAcquisitionDate = \"ai.user.accountAcquisitionDate\", this.userAccountId = \"ai.user.accountId\", this.userAgent = \"ai.user.userAgent\", this.userId = \"ai.user.id\", this.userStoreRegion = \"ai.user.storeRegion\", this.userAuthUserId = \"ai.user.authUserId\", this.userAnonymousUserAcquisitionDate = \"ai.user.anonUserAcquisitionDate\", this.userAuthenticatedUserAcquisitionDate = \"ai.user.authUserAcquisitionDate\", this.cloudName = \"ai.cloud.name\", this.cloudRole = \"ai.cloud.role\", this.cloudRoleVer = \"ai.cloud.roleVer\", this.cloudRoleInstance = \"ai.cloud.roleInstance\", this.cloudEnvironment = \"ai.cloud.environment\", this.cloudLocation = \"ai.cloud.location\", this.cloudDeploymentUnit = \"ai.cloud.deploymentUnit\", this.internalNodeName = \"ai.internal.nodeName\", this.internalSdkVersion = \"ai.internal.sdkVersion\", this.internalAgentVersion = \"ai.internal.agentVersion\";\n },\n ch = (ph.create = function (t, e, i, r, o, n) {\n if (i = zc.sanitizeString(r, i) || Nc.NotSpecified, nu.isNullOrUndefined(t) || nu.isNullOrUndefined(e) || nu.isNullOrUndefined(i)) throw Error(\"Input doesn't contain all required fields\");\n var a = {\n name: i,\n time: new Date().toISOString(),\n iKey: \"\",\n ext: n || {},\n tags: [],\n data: {},\n baseType: e,\n baseData: t\n };\n if (!nu.isNullOrUndefined(o)) for (var s in o) {\n o.hasOwnProperty(s) && (a.data[s] = o[s]);\n }\n return a;\n }, ph);\n\n function ph() {}\n\n var hh = (dh.UserExt = \"user\", dh.DeviceExt = \"device\", dh.TraceExt = \"trace\", dh.WebExt = \"web\", dh.AppExt = \"app\", dh.OSExt = \"os\", dh.SessionExt = \"ses\", dh.SDKExt = \"sdk\", dh);\n\n function dh() {}\n\n var fh = new uh(),\n mh = \"AppInsightsPropertiesPlugin\",\n gh = \"AppInsightsChannelPlugin\",\n yh = (vh.prototype.trackPageView = function (t, e) {\n var i = this,\n r = t.name;\n !nu.isNullOrUndefined(r) && \"string\" == typeof r || (t.name = window.document && window.document.title || \"\");\n var o = t.uri;\n if (!nu.isNullOrUndefined(o) && \"string\" == typeof o || (t.uri = window.location && window.location.href || \"\"), !this._pageViewPerformanceManager.isPerformanceTimingSupported()) return this.appInsights.sendPageViewInternal(t, e), this._channel().forEach(function (t) {\n t.forEach(function (t) {\n return t.flush(!0);\n });\n }), void this._logger.throwInternal(su.WARNING, Ou, \"trackPageView: navigation timing API used for calculation of page duration is not supported in this browser. This page view will be collected without duration and timing info.\");\n\n var n = !1,\n a = void 0,\n s = this._pageViewPerformanceManager.getPerformanceTiming().navigationStart;\n\n a = qc.GetDuration(s, +new Date()), this._pageViewPerformanceManager.shouldCollectDuration(a) || (a = void 0);\n var l = void 0;\n nu.isNullOrUndefined(e) || nu.isNullOrUndefined(e.duration) || (l = e.duration), !this.overridePageViewDuration && isNaN(l) || (isNaN(l) && ((e = e || {}).duration = a), this.appInsights.sendPageViewInternal(t, e), this._channel().forEach(function (t) {\n t.forEach(function (t) {\n return t.flush(!0);\n });\n }), n = !0), e = e || {};\n var u = setInterval(function () {\n try {\n if (i._pageViewPerformanceManager.isPerformanceTimingDataReady()) {\n clearInterval(u);\n var l = {\n name: r,\n uri: o\n };\n i._pageViewPerformanceManager.populatePageViewPerformanceEvent(l), l.isValid || n ? (n || (e.duration = l.durationMs, i.appInsights.sendPageViewInternal(t, e)), i.pageViewPerformanceSent || (i.appInsights.sendPageViewPerformanceInternal(l, e), i.pageViewPerformanceSent = !0), i._channel().forEach(function (t) {\n t.forEach(function (t) {\n return t.flush(!0);\n });\n })) : (e.duration = a, i.appInsights.sendPageViewInternal(t, e), i._channel().forEach(function (t) {\n t.forEach(function (t) {\n return t.flush(!0);\n });\n }));\n } else 6e4 < qc.GetDuration(s, +new Date()) && (clearInterval(u), n || (e.duration = 6e4, i.appInsights.sendPageViewInternal(t, e), i._channel().forEach(function (t) {\n t.forEach(function (t) {\n return t.flush(!0);\n });\n })));\n } catch (l) {\n i._logger.throwInternal(su.CRITICAL, Wu, \"trackPageView failed on page load calculation: \" + Nc.getExceptionName(l), {\n exception: Nc.dump(l)\n });\n }\n }, 100);\n }, vh);\n\n function vh(t, e, i, r) {\n this.pageViewPerformanceSent = !1, this.overridePageViewDuration = !1, this.overridePageViewDuration = e, this.appInsights = t, this._pageViewPerformanceManager = r, i && (this._channel = function () {\n return i.getTransmissionControls();\n }, this._logger = i.logger);\n }\n\n var _h = (xh.prototype.trackPreviousPageVisit = function (t, e) {\n try {\n var i = this.restartPageVisitTimer(t, e);\n i && this.pageVisitTimeTrackingHandler(i.pageName, i.pageUrl, i.pageVisitTime);\n } catch (t) {\n this._logger.warnToConsole(\"Auto track page visit time failed, metric will not be collected: \" + Nc.dump(t));\n }\n }, xh.prototype.restartPageVisitTimer = function (t, e) {\n try {\n var i = this.stopPageVisitTimer();\n return this.startPageVisitTimer(t, e), i;\n } catch (t) {\n return this._logger.warnToConsole(\"Call to restart failed: \" + Nc.dump(t)), null;\n }\n }, xh.prototype.startPageVisitTimer = function (t, e) {\n try {\n if (Nc.canUseSessionStorage()) {\n if (null != Nc.getSessionStorage(this._logger, this.prevPageVisitDataKeyName)) throw new Error(\"Cannot call startPageVisit consecutively without first calling stopPageVisit\");\n var i = new wh(t, e),\n r = JSON.stringify(i);\n Nc.setSessionStorage(this._logger, this.prevPageVisitDataKeyName, r);\n }\n } catch (t) {\n this._logger.warnToConsole(\"Call to start failed: \" + Nc.dump(t));\n }\n }, xh.prototype.stopPageVisitTimer = function () {\n try {\n if (Nc.canUseSessionStorage()) {\n var t = Date.now(),\n e = Nc.getSessionStorage(this._logger, this.prevPageVisitDataKeyName);\n\n if (e) {\n var i = JSON.parse(e);\n return i.pageVisitTime = t - i.pageVisitStartTime, Nc.removeSessionStorage(this._logger, this.prevPageVisitDataKeyName), i;\n }\n\n return null;\n }\n\n return null;\n } catch (t) {\n return this._logger.warnToConsole(\"Stop page visit timer failed: \" + Nc.dump(t)), null;\n }\n }, xh);\n\n function xh(t, e) {\n this.prevPageVisitDataKeyName = \"prevPageVisitData\", this.pageVisitTimeTrackingHandler = e, this._logger = t;\n }\n\n var wh = function wh(t, e) {\n this.pageVisitStartTime = Date.now(), this.pageName = t, this.pageUrl = e;\n },\n bh = (Mh.prototype.populatePageViewPerformanceEvent = function (t) {\n t.isValid = !1;\n var e = this.getPerformanceTiming();\n\n if (e) {\n var i = qc.GetDuration(e.navigationStart, e.loadEventEnd),\n r = qc.GetDuration(e.navigationStart, e.connectEnd),\n o = qc.GetDuration(e.requestStart, e.responseStart),\n n = qc.GetDuration(e.responseStart, e.responseEnd),\n a = qc.GetDuration(e.responseEnd, e.loadEventEnd);\n 0 == i ? this._logger.throwInternal(su.WARNING, bu, \"error calculating page view performance.\", {\n total: i,\n network: r,\n request: o,\n response: n,\n dom: a\n }) : this.shouldCollectDuration(i, r, o, n, a) ? i < Math.floor(r) + Math.floor(o) + Math.floor(n) + Math.floor(a) ? this._logger.throwInternal(su.WARNING, xu, \"client performance math error.\", {\n total: i,\n network: r,\n request: o,\n response: n,\n dom: a\n }) : (t.durationMs = i, t.perfTotal = t.duration = Nc.msToTimeSpan(i), t.networkConnect = Nc.msToTimeSpan(r), t.sentRequest = Nc.msToTimeSpan(o), t.receivedResponse = Nc.msToTimeSpan(n), t.domProcessing = Nc.msToTimeSpan(a), t.isValid = !0) : this._logger.throwInternal(su.WARNING, tc, \"Invalid page load duration value. Browser perf data won't be sent.\", {\n total: i,\n network: r,\n request: o,\n response: n,\n dom: a\n });\n }\n }, Mh.prototype.getPerformanceTiming = function () {\n return this.isPerformanceTimingSupported() ? window.performance.timing : null;\n }, Mh.prototype.isPerformanceTimingSupported = function () {\n return \"undefined\" != typeof window && window.performance && window.performance.timing;\n }, Mh.prototype.isPerformanceTimingDataReady = function () {\n var t = window.performance.timing;\n return 0 < t.domainLookupStart && 0 < t.navigationStart && 0 < t.responseStart && 0 < t.requestStart && 0 < t.loadEventEnd && 0 < t.responseEnd && 0 < t.connectEnd && 0 < t.domLoading;\n }, Mh.prototype.shouldCollectDuration = function () {\n for (var t = [], e = 0; e < arguments.length; e++) {\n t[e] = arguments[e];\n }\n\n var i = [\"googlebot\", \"adsbot-google\", \"apis-google\", \"mediapartners-google\"],\n r = navigator.userAgent,\n o = !1;\n if (r) for (var n = 0; n < i.length; n++) {\n o = o || -1 !== r.toLowerCase().indexOf(i[n]);\n }\n if (o) return !1;\n\n for (var a = 0; a < t.length; a++) {\n if (t[a] >= this.MAX_DURATION_ALLOWED) return !1;\n }\n\n return !0;\n }, Mh);\n\n function Mh(t) {\n this.MAX_DURATION_ALLOWED = 36e5, t && (this._logger = t.logger);\n }\n\n var Ch = \"duration\",\n Th = (Ih.getDefaultConfig = function (t) {\n return (t = t || {}).sessionRenewalMs = 18e5, t.sessionExpirationMs = 864e5, t.disableExceptionTracking = Nc.stringToBoolOrDefault(t.disableExceptionTracking), t.autoTrackPageVisitTime = Nc.stringToBoolOrDefault(t.autoTrackPageVisitTime), t.overridePageViewDuration = Nc.stringToBoolOrDefault(t.overridePageViewDuration), (isNaN(t.samplingPercentage) || t.samplingPercentage <= 0 || 100 <= t.samplingPercentage) && (t.samplingPercentage = 100), t.isCookieUseDisabled = Nc.stringToBoolOrDefault(t.isCookieUseDisabled), t.isStorageUseDisabled = Nc.stringToBoolOrDefault(t.isStorageUseDisabled), t.isBrowserLinkTrackingEnabled = Nc.stringToBoolOrDefault(t.isBrowserLinkTrackingEnabled), t.enableAutoRouteTracking = Nc.stringToBoolOrDefault(t.enableAutoRouteTracking), t.namePrefix = t.namePrefix || \"\", t;\n }, Ih.prototype.processTelemetry = function (t) {\n for (var e = !1, i = this._telemetryInitializers.length, r = 0; r < i; ++r) {\n var o = this._telemetryInitializers[r];\n if (o) try {\n if (!1 === o.apply(null, [t])) {\n e = !0;\n break;\n }\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, gc, \"One of telemetry initializers failed, telemetry item will not be sent: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n }, !0);\n }\n }\n\n e || nu.isNullOrUndefined(this._nextPlugin) || this._nextPlugin.processTelemetry(t);\n }, Ih.prototype.setNextPlugin = function (t) {\n this._nextPlugin = t;\n }, Ih.prototype.trackEvent = function (t, e) {\n try {\n var i = ch.create(t, np.dataType, np.envelopeType, this._logger, e);\n this.core.track(i);\n } catch (t) {\n this._logger.throwInternal(su.WARNING, Xu, \"trackTrace failed, trace will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.startTrackEvent = function (t) {\n try {\n this._eventTracking.start(t);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Uu, \"startTrackEvent failed, event will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.stopTrackEvent = function (t, e, i) {\n try {\n this._eventTracking.stop(t, void 0, e);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Fu, \"stopTrackEvent failed, event will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.trackTrace = function (t, e) {\n try {\n var i = ch.create(t, Wp.dataType, Wp.envelopeType, this._logger, e);\n this.core.track(i);\n } catch (t) {\n this._logger.throwInternal(su.WARNING, Xu, \"trackTrace failed, trace will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.trackMetric = function (t, e) {\n try {\n var i = ch.create(t, Ap.dataType, Ap.envelopeType, this._logger, e);\n this.core.track(i);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Hu, \"trackMetric failed, metric will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.trackPageView = function (t, e) {\n try {\n var i = t || {};\n this._pageViewManager.trackPageView(i, _M({}, i.properties, i.measurements, e)), this.config.autoTrackPageVisitTime && this._pageVisitTimeManager.trackPreviousPageVisit(i.name, i.uri);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Yu, \"trackPageView failed, page view will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.sendPageViewInternal = function (t, e, i) {\n \"undefined\" != typeof document && (t.refUri = void 0 === t.refUri ? document.referrer : t.refUri);\n var r = ch.create(t, Op.dataType, Op.envelopeType, this._logger, e, i);\n this.core.track(r), this._trackAjaxAttempts = 0;\n }, Ih.prototype.sendPageViewPerformanceInternal = function (t, e, i) {\n var r = ch.create(t, th.dataType, th.envelopeType, this._logger, e, i);\n this.core.track(r);\n }, Ih.prototype.trackPageViewPerformance = function (t, e) {\n try {\n this._pageViewPerformanceManager.populatePageViewPerformanceEvent(t), this.sendPageViewPerformanceInternal(t, e);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Yu, \"trackPageViewPerformance failed, page view will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.startTrackPage = function (t) {\n try {\n \"string\" != typeof t && (t = window.document && window.document.title || \"\"), this._pageTracking.start(t);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Vu, \"startTrackPage failed, page view may not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.stopTrackPage = function (t, e, i, r) {\n try {\n \"string\" != typeof t && (t = window.document && window.document.title || \"\"), \"string\" != typeof e && (e = window.location && window.location.href || \"\"), this._pageTracking.stop(t, e, i, r), this.config.autoTrackPageVisitTime && this._pageVisitTimeManager.trackPreviousPageVisit(t, e);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, qu, \"stopTrackPage failed, page view will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype.sendExceptionInternal = function (t, e, i) {\n var r = new dp(this._logger, t.exception || new Error(Nc.NotSpecified), t.properties, t.measurements, t.severityLevel, t.id).toInterface(),\n o = ch.create(r, dp.dataType, dp.envelopeType, this._logger, e, i);\n this.core.track(o);\n }, Ih.prototype.trackException = function (t, e) {\n try {\n this.sendExceptionInternal(t, e);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Zu, \"trackException failed, exception will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, Ih.prototype._onerror = function (t) {\n try {\n var e = {\n url: t && t.url || document.URL,\n lineNumber: t.lineNumber,\n columnNumber: t.columnNumber,\n message: t.message\n };\n if (Nc.isCrossOriginError(t.message, t.url, t.lineNumber, t.columnNumber, t.error)) this._sendCORSException(e.url);else {\n if (!Nc.isError(t.error)) {\n var i = \"window.onerror@\" + e.url + \":\" + t.lineNumber + \":\" + (t.columnNumber || 0);\n t.error = new Error(t.message), t.error.stack = i;\n }\n\n this.trackException({\n exception: t.error,\n severityLevel: rh.Error\n }, e);\n }\n } catch (e) {\n var r = t.error ? t.error.name + \", \" + t.error.message : \"null\";\n\n this._logger.throwInternal(su.CRITICAL, Mu, \"_onError threw exception while logging error, error will not be collected: \" + Nc.getExceptionName(e), {\n exception: Nc.dump(e),\n errorString: r\n });\n }\n }, Ih.prototype.addTelemetryInitializer = function (t) {\n this._telemetryInitializers.push(t);\n }, Ih.prototype._initialize = function (t, e, i) {\n var r = this;\n\n if (!this._isInitialized) {\n if (nu.isNullOrUndefined(e)) throw Error(\"Error initializing\");\n this.core = e, this._logger = e.logger, this._globalconfig = {\n instrumentationKey: t.instrumentationKey,\n endpointUrl: t.endpointUrl || \"https://dc.services.visualstudio.com/v2/track\"\n }, this.config = t.extensionConfig && t.extensionConfig[this.identifier] ? t.extensionConfig[this.identifier] : {};\n var o = Ih.getDefaultConfig();\n\n if (void 0 !== o) {\n for (var n in o) {\n this.config[n] = sh.getConfig(t, n, this.identifier, o[n]);\n }\n\n if (this._globalconfig) for (var n in o) {\n void 0 === this._globalconfig[n] && (this._globalconfig[n] = o[n]);\n }\n }\n\n this.config.isCookieUseDisabled && Nc.disableCookies(), this.config.isStorageUseDisabled && Nc.disableStorage();\n var a = {\n instrumentationKey: function instrumentationKey() {\n return t.instrumentationKey;\n },\n accountId: function accountId() {\n return r.config.accountId || t.accountId;\n },\n sessionRenewalMs: function sessionRenewalMs() {\n return r.config.sessionRenewalMs || t.sessionRenewalMs;\n },\n sessionExpirationMs: function sessionExpirationMs() {\n return r.config.sessionExpirationMs || t.sessionExpirationMs;\n },\n sampleRate: function sampleRate() {\n return r.config.samplingPercentage || t.samplingPercentage;\n },\n cookieDomain: function cookieDomain() {\n return r.config.cookieDomain || t.cookieDomain;\n },\n sdkExtension: function sdkExtension() {\n return r.config.sdkExtension || t.sdkExtension;\n },\n isBrowserLinkTrackingEnabled: function isBrowserLinkTrackingEnabled() {\n return r.config.isBrowserLinkTrackingEnabled || t.isBrowserLinkTrackingEnabled;\n },\n appId: function appId() {\n return r.config.appId || t.appId;\n }\n };\n this._pageViewPerformanceManager = new bh(this.core), this._pageViewManager = new yh(this, this.config.overridePageViewDuration, this.core, this._pageViewPerformanceManager), this._pageVisitTimeManager = new _h(this._logger, function (t, e, i) {\n return r.trackPageVisitTime(t, e, i);\n }), this._telemetryInitializers = [], this._addDefaultTelemetryInitializers(a), this._eventTracking = new Sh(this._logger, \"trackEvent\"), this._eventTracking.action = function (t, e, i, o) {\n (o = o || {})[Ch] = i.toString(), r.trackEvent({\n name: t,\n properties: o\n });\n }, this._pageTracking = new Sh(this._logger, \"trackPageView\"), this._pageTracking.action = function (t, e, i, o, n) {\n nu.isNullOrUndefined(o) && (o = {}), o[Ch] = i.toString();\n var a = {\n name: t,\n uri: e,\n properties: o,\n measurements: n\n };\n r.sendPageViewInternal(a);\n };\n var s,\n l,\n u = this;\n\n if (!1 === this.config.disableExceptionTracking && !this.config.autoExceptionInstrumented) {\n var c = window.onerror;\n window.onerror = function (t, e, i, r, o) {\n var n = c && c(t, e, i, r, o);\n return !0 !== n && u._onerror({\n message: t,\n url: e,\n lineNumber: i,\n columnNumber: r,\n error: o\n }), n;\n }, this.config.autoExceptionInstrumented = !0;\n }\n\n if (!0 === this.config.enableAutoRouteTracking && \"object\" == typeof history && \"function\" == typeof history.pushState && \"function\" == typeof history.replaceState && \"object\" == typeof window && \"undefined\" != typeof Event) {\n var p = this;\n i.forEach(function (t) {\n t.identifier === mh && (r._properties = t);\n }), history.pushState = (l = history.pushState, function () {\n var t = l.apply(this, arguments);\n return window.dispatchEvent(Nc.createDomEvent(p.config.namePrefix + \"pushState\")), window.dispatchEvent(Nc.createDomEvent(p.config.namePrefix + \"locationchange\")), t;\n }), history.replaceState = (s = history.replaceState, function () {\n var t = s.apply(this, arguments);\n return window.dispatchEvent(Nc.createDomEvent(p.config.namePrefix + \"replaceState\")), window.dispatchEvent(Nc.createDomEvent(p.config.namePrefix + \"locationchange\")), t;\n }), window.addEventListener(p.config.namePrefix + \"popstate\", function () {\n window.dispatchEvent(Nc.createDomEvent(p.config.namePrefix + \"locationchange\"));\n }), window.addEventListener(p.config.namePrefix + \"locationchange\", function () {\n p._properties && p._properties.context && p._properties.context.telemetryTrace && (p._properties.context.telemetryTrace.traceID = Nc.generateW3CId(), p._properties.context.telemetryTrace.name = window.location && window.location.pathname || \"_unknown_\"), r._currUri && (r._prevUri = r._currUri), r._currUri = window.location && window.location.href || \"\", setTimeout(function (t) {\n p.trackPageView({\n refUri: t,\n properties: {\n duration: 0\n }\n });\n }.bind(r, r._prevUri), p.autoRoutePVDelay);\n });\n }\n\n this._isInitialized = !0;\n }\n }, Ih.prototype.trackPageVisitTime = function (t, e, i) {\n var r = {\n PageName: t,\n PageUrl: e\n };\n this.trackMetric({\n name: \"PageVisitTime\",\n average: i,\n max: i,\n min: i,\n sampleCount: 1\n }, r);\n }, Ih.prototype._addDefaultTelemetryInitializers = function (t) {\n if (!t.isBrowserLinkTrackingEnabled()) {\n var e = [\"/browserLinkSignalR/\", \"/__browserLink/\"];\n\n this._addTelemetryInitializer(function (t) {\n if (t.baseType === Vp.dataType) {\n var i = t.baseData;\n if (i) for (var r = 0; r < e.length; r++) {\n if (i.target && 0 <= i.target.indexOf(e[r])) return !1;\n }\n }\n\n return !0;\n });\n }\n }, Ih.prototype._addTelemetryInitializer = function (t) {\n this._telemetryInitializers.push(t);\n }, Ih.prototype._sendCORSException = function (t) {\n var e = {\n message: \"Script error: The browser's same-origin policy prevents us from getting the details of this exception. Consider using the 'crossorigin' attribute.\",\n url: t,\n lineNumber: 0,\n columnNumber: 0,\n error: void 0\n },\n i = ch.create(e, dp.dataType, dp.envelopeType, this._logger, {\n url: t\n });\n this.core.track(i);\n }, Ih.Version = \"2.2.2\", Ih);\n\n function Ih() {\n this.identifier = \"ApplicationInsightsAnalytics\", this.priority = 180, this.autoRoutePVDelay = 500, this._isInitialized = !1, this._trackAjaxAttempts = 0, this._prevUri = \"object\" == typeof window && window.location && window.location.href || \"\", this.initialize = this._initialize.bind(this);\n }\n\n var Sh = (Eh.prototype.start = function (t) {\n void 0 !== this._events[t] && this._logger.throwInternal(su.WARNING, fc, \"start was called more than once for this event without calling stop.\", {\n name: this._name,\n key: t\n }, !0), this._events[t] = +new Date();\n }, Eh.prototype.stop = function (t, e, i, r) {\n var o = this._events[t];\n if (isNaN(o)) this._logger.throwInternal(su.WARNING, mc, \"stop was called without a corresponding start.\", {\n name: this._name,\n key: t\n }, !0);else {\n var n = +new Date(),\n a = qc.GetDuration(o, n);\n this.action(t, e, a, i, r);\n }\n delete this._events[t], this._events[t] = void 0;\n }, Eh);\n\n function Eh(t, e) {\n this._name = e, this._events = {}, this._logger = t;\n }\n\n var Lh = (Ah.prototype.enqueue = function (t) {\n this._buffer.push(t);\n }, Ah.prototype.count = function () {\n return this._buffer.length;\n }, Ah.prototype.clear = function () {\n this._buffer.length = 0;\n }, Ah.prototype.getItems = function () {\n return this._buffer.slice(0);\n }, Ah.prototype.batchPayloads = function (t) {\n return t && 0 < t.length ? this._config.emitLineDelimitedJson() ? t.join(\"\\n\") : \"[\" + t.join(\",\") + \"]\" : null;\n }, Ah.prototype.markAsSent = function (t) {\n this.clear();\n }, Ah.prototype.clearSent = function (t) {}, Ah);\n\n function Ah(t) {\n this._config = t, this._buffer = [];\n }\n\n var Dh = (kh.prototype.enqueue = function (t) {\n this._buffer.length >= kh.MAX_BUFFER_SIZE ? this._bufferFullMessageSent || (this._logger.throwInternal(su.WARNING, vc, \"Maximum buffer size reached: \" + this._buffer.length, !0), this._bufferFullMessageSent = !0) : (this._buffer.push(t), this.setBuffer(kh.BUFFER_KEY, this._buffer));\n }, kh.prototype.count = function () {\n return this._buffer.length;\n }, kh.prototype.clear = function () {\n this._buffer.length = 0, this.setBuffer(kh.BUFFER_KEY, []), this.setBuffer(kh.SENT_BUFFER_KEY, []), this._bufferFullMessageSent = !1;\n }, kh.prototype.getItems = function () {\n return this._buffer.slice(0);\n }, kh.prototype.batchPayloads = function (t) {\n return t && 0 < t.length ? this._config.emitLineDelimitedJson() ? t.join(\"\\n\") : \"[\" + t.join(\",\") + \"]\" : null;\n }, kh.prototype.markAsSent = function (t) {\n this._buffer = this.removePayloadsFromBuffer(t, this._buffer), this.setBuffer(kh.BUFFER_KEY, this._buffer);\n var e = this.getBuffer(kh.SENT_BUFFER_KEY);\n e instanceof Array && t instanceof Array && ((e = e.concat(t)).length > kh.MAX_BUFFER_SIZE && (this._logger.throwInternal(su.CRITICAL, vc, \"Sent buffer reached its maximum size: \" + e.length, !0), e.length = kh.MAX_BUFFER_SIZE), this.setBuffer(kh.SENT_BUFFER_KEY, e));\n }, kh.prototype.clearSent = function (t) {\n var e = this.getBuffer(kh.SENT_BUFFER_KEY);\n e = this.removePayloadsFromBuffer(t, e), this.setBuffer(kh.SENT_BUFFER_KEY, e);\n }, kh.prototype.removePayloadsFromBuffer = function (t, e) {\n var i = [];\n\n for (var r in e) {\n var o = !1;\n\n for (var n in t) {\n if (t[n] === e[r]) {\n o = !0;\n break;\n }\n }\n\n o || i.push(e[r]);\n }\n\n return i;\n }, kh.prototype.getBuffer = function (t) {\n var e = t;\n\n try {\n e = this._config.namePrefix && this._config.namePrefix() ? this._config.namePrefix() + \"_\" + e : e;\n var i = Nc.getSessionStorage(this._logger, e);\n\n if (i) {\n var r = JSON.parse(i);\n if (r) return r;\n }\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, Ju, \" storage key: \" + e + \", \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n\n return [];\n }, kh.prototype.setBuffer = function (t, e) {\n var i = t;\n\n try {\n i = this._config.namePrefix && this._config.namePrefix() ? this._config.namePrefix() + \"_\" + i : i;\n var r = JSON.stringify(e);\n Nc.setSessionStorage(this._logger, i, r);\n } catch (t) {\n Nc.setSessionStorage(this._logger, i, JSON.stringify([])), this._logger.throwInternal(su.WARNING, Qu, \" storage key: \" + i + \", \" + Nc.getExceptionName(t) + \". Buffer cleared\", {\n exception: Nc.dump(t)\n });\n }\n }, kh.BUFFER_KEY = \"AI_buffer\", kh.SENT_BUFFER_KEY = \"AI_sentBuffer\", kh.MAX_BUFFER_SIZE = 2e3, kh);\n\n function kh(t, e) {\n this._bufferFullMessageSent = !1, this._logger = t, this._config = e;\n var i = this.getBuffer(kh.BUFFER_KEY),\n r = this.getBuffer(kh.SENT_BUFFER_KEY);\n this._buffer = i.concat(r), this._buffer.length > kh.MAX_BUFFER_SIZE && (this._buffer.length = kh.MAX_BUFFER_SIZE), this.setBuffer(kh.SENT_BUFFER_KEY, []), this.setBuffer(kh.BUFFER_KEY, this._buffer);\n }\n\n var zh = (Ph.extractProperties = function (t) {\n var e = null;\n\n for (var i in t) {\n if (t.hasOwnProperty(i)) {\n var r = t[i];\n \"number\" != typeof r && ((e = e || {})[i] = r);\n }\n }\n\n return e;\n }, Ph.extractPropsAndMeasurements = function (t, e, i) {\n if (!nu.isNullOrUndefined(t)) for (var r in t) {\n if (t.hasOwnProperty(r)) {\n var o = t[r];\n \"number\" == typeof o ? i[r] = o : e[r] = \"string\" == typeof o ? o : JSON.stringify(o);\n }\n }\n }, Ph.createEnvelope = function (t, e, i, r) {\n var o = new Jc(t, r, e);\n o.iKey = i.iKey;\n var n = i.iKey.replace(/-/g, \"\");\n return o.name = o.name.replace(\"{0}\", n), Ph.extractPartAExtensions(i, o), i.tags || (i.tags = []), o;\n }, Ph.extractPartAExtensions = function (t, e) {\n if (e.tags || (e.tags = {}), t.ext || (t.ext = {}), t.tags || (t.tags = []), t.ext.user) {\n t.ext.user.authId && (e.tags[fh.userAuthUserId] = t.ext.user.authId);\n var i = t.ext.user.id || t.ext.user.localId;\n i && (e.tags[fh.userId] = i);\n }\n\n if (t.ext.app && t.ext.app.sesId && (e.tags[fh.sessionId] = t.ext.app.sesId), t.ext.device && ((t.ext.device.id || t.ext.device.localId) && (e.tags[fh.deviceId] = t.ext.device.id || t.ext.device.localId), t.ext.device.deviceClass && (e.tags[fh.deviceType] = t.ext.device.deviceClass), t.ext.device.ip && (e.tags[fh.deviceIp] = t.ext.device.ip)), t.ext.web) {\n var r = t.ext.web;\n r.browserLang && (e.tags[fh.deviceLanguage] = r.browserLang), r.browserVer && (e.tags[fh.deviceBrowserVersion] = r.browserVer), r.browser && (e.tags[fh.deviceBrowser] = r.browser), e.data = e.data || {}, e.data.baseData = e.data.baseData || {}, e.data.baseData.properties = e.data.baseData.properties || {}, r.domain && (e.data.baseData.properties.domain = r.domain), r.isManual && (e.data.baseData.properties.isManual = r.isManual.toString()), r.screenRes && (e.data.baseData.properties.screenRes = r.screenRes), r.userConsent && (e.data.baseData.properties.userConsent = r.userConsent.toString());\n }\n\n t.ext.device && t.ext.device.model && (e.tags[fh.deviceModel] = t.ext.device.model), t.ext.os && t.ext.os.name && (e.tags[fh.deviceOS] = t.ext.os.name), t.ext.device && t.ext.device.deviceType && (e.tags[fh.deviceType] = t.ext.device.deviceType), t.ext.trace && (t.ext.trace.parentID && (e.tags[fh.operationParentId] = t.ext.trace.parentID), t.ext.trace.name && (e.tags[fh.operationName] = t.ext.trace.name), t.ext.trace.traceID && (e.tags[fh.operationId] = t.ext.trace.traceID));\n\n for (var o = {}, n = function n(e) {\n var i = t.tags[e];\n Object.keys(i).forEach(function (t) {\n o[t] = i[t];\n }), t.tags.splice(e, 1);\n }, a = t.tags.length - 1; 0 <= a; a--) {\n n(a);\n }\n\n for (var s in t.tags) {\n o[s] = t.tags[s];\n }\n\n e.tags = _M({}, e.tags, o), e.tags[fh.internalSdkVersion] || (e.tags[fh.internalSdkVersion] = \"javascript:\" + Ph.Version);\n }, Ph.Version = \"2.2.2\", Ph);\n\n function Ph() {}\n\n var Nh,\n Oh = (b(Rh, Nh = zh), Rh.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n var i = e.baseData.measurements || {},\n r = e.baseData.properties || {};\n zh.extractPropsAndMeasurements(e.data, r, i);\n var o = e.baseData;\n if (nu.isNullOrUndefined(o)) return t.warnToConsole(\"Invalid input for dependency data\"), null;\n var n = o.id,\n a = o.target,\n s = o.name,\n l = o.duration,\n u = o.success,\n c = o.responseCode,\n p = o.type,\n h = o.correlationContext,\n d = o.properties && o.properties[Wc] ? o.properties[Wc] : \"GET\",\n f = new Vp(t, n, a, s, l, u, c, d, p, h, r, i),\n m = new nh(Vp.dataType, f);\n return zh.createEnvelope(t, Vp.envelopeType, e, m);\n }, Rh.DependencyEnvelopeCreator = new Rh(), Rh);\n\n function Rh() {\n return null !== Nh && Nh.apply(this, arguments) || this;\n }\n\n var jh,\n Bh = (b(Uh, jh = zh), Uh.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n var i = {},\n r = {};\n e.baseType !== np.dataType && (i.baseTypeSource = e.baseType), e.baseType === np.dataType ? (i = e.baseData.properties || {}, r = e.baseData.measurements || {}) : e.baseData && zh.extractPropsAndMeasurements(e.baseData, i, r), zh.extractPropsAndMeasurements(e.data, i, r);\n var o = e.baseData.name,\n n = new np(t, o, i, r),\n a = new nh(np.dataType, n);\n return zh.createEnvelope(t, np.envelopeType, e, a);\n }, Uh.EventEnvelopeCreator = new Uh(), Uh);\n\n function Uh() {\n return null !== jh && jh.apply(this, arguments) || this;\n }\n\n var Fh,\n Vh = (b(qh, Fh = zh), qh.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n var i = e.baseData,\n r = dp.CreateFromInterface(t, i),\n o = new nh(dp.dataType, r);\n return zh.createEnvelope(t, dp.envelopeType, e, o);\n }, qh.ExceptionEnvelopeCreator = new qh(), qh);\n\n function qh() {\n return null !== Fh && Fh.apply(this, arguments) || this;\n }\n\n var Gh,\n Zh = (b(Hh, Gh = zh), Hh.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n var i = e.baseData.properties || {},\n r = zh.extractProperties(e.data);\n r = _M({}, i, r);\n var o = e.baseData.name,\n n = e.baseData.average,\n a = e.baseData.sampleCount,\n s = e.baseData.min,\n l = e.baseData.max,\n u = new Ap(t, o, n, a, s, l, r),\n c = new nh(Ap.dataType, u);\n return zh.createEnvelope(t, Ap.envelopeType, e, c);\n }, Hh.MetricEnvelopeCreator = new Hh(), Hh);\n\n function Hh() {\n return null !== Gh && Gh.apply(this, arguments) || this;\n }\n\n var Yh,\n Wh = (b(Xh, Yh = zh), Xh.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n var i = void 0;\n nu.isNullOrUndefined(e.baseData) || nu.isNullOrUndefined(e.baseData.properties) || nu.isNullOrUndefined(e.baseData.properties.duration) ? nu.isNullOrUndefined(e.data) || nu.isNullOrUndefined(e.data.duration) || (i = e.data.duration, delete e.data.duration) : (i = e.baseData.properties.duration, delete e.baseData.properties.duration);\n var r,\n o = e.baseData;\n e.ext && e.ext.trace && e.ext.trace.traceID && (r = e.ext.trace.traceID);\n var n = o.id || r,\n a = o.name,\n s = o.uri,\n l = o.properties || {},\n u = o.measurements || {};\n\n if (nu.isNullOrUndefined(o.refUri) || (l.refUri = o.refUri), nu.isNullOrUndefined(o.pageType) || (l.pageType = o.pageType), nu.isNullOrUndefined(o.isLoggedIn) || (l.isLoggedIn = o.isLoggedIn.toString()), !nu.isNullOrUndefined(o.properties)) {\n var c = o.properties;\n\n for (var p in c) {\n c.hasOwnProperty(p) && (l[p] = c[p]);\n }\n }\n\n zh.extractPropsAndMeasurements(e.data, l, u);\n var h = new Op(t, a, s, i, l, u, n),\n d = new nh(Op.dataType, h);\n return zh.createEnvelope(t, Op.envelopeType, e, d);\n }, Xh.PageViewEnvelopeCreator = new Xh(), Xh);\n\n function Xh() {\n return null !== Yh && Yh.apply(this, arguments) || this;\n }\n\n var Kh,\n Qh = (b(Jh, Kh = zh), Jh.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n var i = e.baseData,\n r = i.name,\n o = i.uri || i.url,\n n = i.properties || {},\n a = i.measurements || {};\n zh.extractPropsAndMeasurements(e.data, n, a);\n var s = new th(t, r, o, void 0, n, a, i),\n l = new nh(th.dataType, s);\n return zh.createEnvelope(t, th.envelopeType, e, l);\n }, Jh.PageViewPerformanceEnvelopeCreator = new Jh(), Jh);\n\n function Jh() {\n return null !== Kh && Kh.apply(this, arguments) || this;\n }\n\n var $h,\n td = (b(ed, $h = zh), ed.prototype.Create = function (t, e) {\n this._logger = t, nu.isNullOrUndefined(e.baseData) && this._logger.throwInternal(su.CRITICAL, ec, \"telemetryItem.baseData cannot be null.\");\n\n var i = e.baseData.message,\n r = e.baseData.severityLevel,\n o = zh.extractProperties(e.data),\n n = _M({}, o, e.baseData.properties),\n a = new Wp(t, i, r, n),\n s = new nh(Wp.dataType, a);\n\n return zh.createEnvelope(t, Wp.envelopeType, e, s);\n }, ed.TraceEnvelopeCreator = new ed(), ed);\n\n function ed() {\n return null !== $h && $h.apply(this, arguments) || this;\n }\n\n var id = (rd.prototype.serialize = function (t) {\n var e = this._serializeObject(t, \"root\");\n\n return JSON.stringify(e);\n }, rd.prototype._serializeObject = function (t, e) {\n var i = \"__aiCircularRefCheck\",\n r = {};\n if (!t) return this._logger.throwInternal(su.CRITICAL, rc, \"cannot serialize object because it is null or undefined\", {\n name: e\n }, !0), r;\n if (t[i]) return this._logger.throwInternal(su.WARNING, nc, \"Circular reference detected while serializing object\", {\n name: e\n }, !0), r;\n\n if (!t.aiDataContract) {\n if (\"measurements\" === e) r = this._serializeStringMap(t, \"number\", e);else if (\"properties\" === e) r = this._serializeStringMap(t, \"string\", e);else if (\"tags\" === e) r = this._serializeStringMap(t, \"string\", e);else if (Nc.isArray(t)) r = this._serializeArray(t, e);else {\n this._logger.throwInternal(su.WARNING, oc, \"Attempting to serialize an object which does not implement ISerializable\", {\n name: e\n }, !0);\n\n try {\n JSON.stringify(t), r = t;\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, rc, t && \"function\" == typeof t.toString ? t.toString() : \"Error serializing object\", null, !0);\n }\n }\n return r;\n }\n\n for (var o in t[i] = !0, t.aiDataContract) {\n var n,\n a = t.aiDataContract[o],\n s = \"function\" == typeof a ? a() & Ql.Required : a & Ql.Required,\n l = \"function\" == typeof a ? a() & Ql.Hidden : a & Ql.Hidden,\n u = a & Ql.Array,\n c = void 0 !== t[o],\n p = \"object\" == typeof t[o] && null !== t[o];\n !s || c || u ? l || void 0 !== (n = p ? u ? this._serializeArray(t[o], o) : this._serializeObject(t[o], o) : t[o]) && (r[o] = n) : this._logger.throwInternal(su.CRITICAL, Nu, \"Missing required field specification. The field is required but not present on source\", {\n field: o,\n name: e\n });\n }\n\n return delete t[i], r;\n }, rd.prototype._serializeArray = function (t, e) {\n var i = void 0;\n if (t) if (Nc.isArray(t)) {\n i = [];\n\n for (var r = 0; r < t.length; r++) {\n var o = t[r],\n n = this._serializeObject(o, e + \"[\" + r + \"]\");\n\n i.push(n);\n }\n } else this._logger.throwInternal(su.CRITICAL, sc, \"This field was specified as an array in the contract but the item is not an array.\\r\\n\", {\n name: e\n }, !0);\n return i;\n }, rd.prototype._serializeStringMap = function (t, e, i) {\n var r = void 0;\n if (t) for (var o in r = {}, t) {\n var n = t[o];\n if (\"string\" === e) void 0 === n ? r[o] = \"undefined\" : null === n ? r[o] = \"null\" : n.toString ? r[o] = n.toString() : r[o] = \"invalid field: toString() is not defined.\";else if (\"number\" === e) {\n if (void 0 === n) r[o] = \"undefined\";else if (null === n) r[o] = \"null\";else {\n var a = parseFloat(n);\n isNaN(a) ? r[o] = \"NaN\" : r[o] = a;\n }\n } else r[o] = \"invalid field: \" + i + \" is of unknown type.\", this._logger.throwInternal(su.CRITICAL, r[o], null, !0);\n }\n return r;\n }, rd);\n\n function rd(t) {\n this._logger = t;\n }\n\n function od() {\n this._onlineStatus = !0;\n\n try {\n \"undefined\" == typeof window ? this.isListening = !1 : window && window.addEventListener ? (window.addEventListener(\"online\", this._setOnline.bind(this), !1), window.addEventListener(\"offline\", this._setOffline.bind(this), !1), this.isListening = !0) : document && document.body ? (document.body.ononline = this._setOnline.bind(this), document.body.onoffline = this._setOffline.bind(this), this.isListening = !0) : document ? (document.ononline = this._setOnline.bind(this), document.onoffline = this._setOffline.bind(this), this.isListening = !0) : this.isListening = !1;\n } catch (t) {\n this.isListening = !1;\n }\n }\n\n var nd = (od.prototype._setOnline = function () {\n this._onlineStatus = !0;\n }, od.prototype._setOffline = function () {\n this._onlineStatus = !1;\n }, od.prototype.isOnline = function () {\n return this.isListening ? this._onlineStatus : !(navigator && !nu.isNullOrUndefined(navigator.onLine)) || navigator.onLine;\n }, od.prototype.isOffline = function () {\n return !this.isOnline();\n }, od.Offline = new od(), od).Offline,\n ad = (sd.prototype.getHashCodeScore = function (t) {\n return this.getHashCode(t) / sd.INT_MAX_VALUE * 100;\n }, sd.prototype.getHashCode = function (t) {\n if (\"\" == t) return 0;\n\n for (; t.length < sd.MIN_INPUT_LENGTH;) {\n t = t.concat(t);\n }\n\n for (var e = 5381, i = 0; i < t.length; ++i) {\n e = (e << 5) + e + t.charCodeAt(i), e &= e;\n }\n\n return Math.abs(e);\n }, sd.INT_MAX_VALUE = 2147483647, sd.MIN_INPUT_LENGTH = 8, sd);\n\n function sd() {}\n\n var ld = (ud.prototype.getSamplingScore = function (t) {\n return t.tags && t.tags[this.keys.userId] ? this.hashCodeGeneragor.getHashCodeScore(t.tags[this.keys.userId]) : t.ext && t.ext.user && t.ext.user.id ? this.hashCodeGeneragor.getHashCodeScore(t.ext.user.id) : t.tags && t.tags[this.keys.operationId] ? this.hashCodeGeneragor.getHashCodeScore(t.tags[this.keys.operationId]) : t.ext && t.ext.telemetryTrace && t.ext.telemetryTrace.traceID ? this.hashCodeGeneragor.getHashCodeScore(t.ext.telemetryTrace.traceID) : 100 * Math.random();\n }, ud);\n\n function ud() {\n this.hashCodeGeneragor = new ad(), this.keys = new uh();\n }\n\n var cd = (pd.prototype.isSampledIn = function (t) {\n var e = this.sampleRate;\n return null == e || 100 <= e || t.baseType === Ap.dataType || this.samplingScoreGenerator.getSamplingScore(t) < e;\n }, pd);\n\n function pd(t, e) {\n this.INT_MAX_VALUE = 2147483647, nu.isNullOrUndefined(e) ? this._logger = new Tc() : this._logger = e, (100 < t || t < 0) && (this._logger.throwInternal(su.WARNING, pc, \"Sampling rate is out of range (0..100). Sampling will be disabled, you may be sending too much data which may affect your AI service level.\", {\n samplingRate: t\n }, !0), this.sampleRate = 100), this.sampleRate = t, this.samplingScoreGenerator = new ld();\n }\n\n var hd = (dd.prototype.pause = function () {\n throw new Error(\"Method not implemented.\");\n }, dd.prototype.resume = function () {\n throw new Error(\"Method not implemented.\");\n }, dd.prototype.flush = function () {\n try {\n this.triggerSend();\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, zu, \"flush failed, telemetry will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, dd.prototype.onunloadFlush = function () {\n if (!1 !== this._config.onunloadDisableBeacon() && !1 !== this._config.isBeaconApiDisabled() || !Nc.IsBeaconApiSupported()) this.flush();else try {\n this.triggerSend(!0, this._beaconSender);\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, ku, \"failed to flush with beacon sender on page unload, telemetry will not be collected: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, dd.prototype.teardown = function () {\n throw new Error(\"Method not implemented.\");\n }, dd.prototype.initialize = function (t, e, i) {\n var r = this;\n this._logger = e.logger, this._serializer = new id(e.logger), this._consecutiveErrors = 0, this._retryAt = null, this._lastSend = 0, this._sender = null;\n\n var o = dd._getDefaultAppInsightsChannelConfig();\n\n function n(e) {\n a._config[e] = function () {\n return sh.getConfig(t, e, r.identifier, o[e]());\n };\n }\n\n this._config = dd._getEmptyAppInsightsChannelConfig();\n var a = this;\n\n for (var s in o) {\n n(s);\n }\n\n this._buffer = this._config.enableSessionStorageBuffer && Nc.canUseSessionStorage() ? new Dh(this._logger, this._config) : new Lh(this._config), this._sample = new cd(this._config.samplingPercentage(), this._logger), !this._config.isBeaconApiDisabled() && Nc.IsBeaconApiSupported() ? this._sender = this._beaconSender : \"undefined\" != typeof XMLHttpRequest && (\"withCredentials\" in new XMLHttpRequest() ? (this._sender = this._xhrSender, this._XMLHttpRequestSupported = !0) : \"undefined\" != typeof XDomainRequest && (this._sender = this._xdrSender));\n }, dd.prototype.processTelemetry = function (t) {\n var e = this;\n\n try {\n if (this._config.disableTelemetry()) return;\n if (!t) return void this._logger.throwInternal(su.CRITICAL, _u, \"Cannot send empty telemetry\");\n if (t.baseData && !t.baseType) return void this._logger.throwInternal(su.CRITICAL, wc, \"Cannot send telemetry without baseData and baseType\");\n if (t.baseType || (t.baseType = \"EventData\"), !this._sender) return void this._logger.throwInternal(su.CRITICAL, Bu, \"Sender was not initialized\");\n if (!this._isSampledIn(t)) return void this._logger.throwInternal(su.WARNING, Gu, \"Telemetry item was sampled out and not sent\", {\n SampleRate: this._sample.sampleRate\n });\n t.tags = t.tags || {}, t.tags.sampleRate = this._sample.sampleRate;\n var i = dd.constructEnvelope(t, this._config.instrumentationKey(), this._logger);\n if (!i) return void this._logger.throwInternal(su.CRITICAL, ic, \"Unable to create an AppInsights envelope\");\n var r = !1;\n if (t.tags && t.tags[Yc] && (t.tags[Yc].forEach(function (t) {\n try {\n t && !1 === t(i) && (r = !0, e._logger.warnToConsole(\"Telemetry processor check returns false\"));\n } catch (t) {\n e._logger.throwInternal(su.CRITICAL, gc, \"One of telemetry initializers failed, telemetry item will not be sent: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n }, !0);\n }\n }), delete t.tags[Yc]), r) return;\n\n var o = this._serializer.serialize(i),\n n = this._buffer.getItems(),\n a = this._buffer.batchPayloads(n);\n\n a && a.length + o.length > this._config.maxBatchSizeInBytes() && this.triggerSend(), this._buffer.enqueue(o), this._setupTimer();\n } catch (t) {\n this._logger.throwInternal(su.WARNING, Cu, \"Failed adding telemetry to the sender's buffer, some telemetry will be lost: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n\n nu.isNullOrUndefined(this._nextPlugin) || this._nextPlugin.processTelemetry(t);\n }, dd.prototype.setNextPlugin = function (t) {\n this._nextPlugin = t;\n }, dd.prototype._xhrReadyStateChange = function (t, e, i) {\n if (4 === t.readyState) {\n var r = null;\n this._appId || (r = this._parseResponse(t.responseText || t.response)) && r.appId && (this._appId = r.appId), (t.status < 200 || 300 <= t.status) && 0 !== t.status ? !this._config.isRetryDisabled() && this._isRetriable(t.status) ? (this._resendPayload(e), this._logger.throwInternal(su.WARNING, Ku, \". Response code \" + t.status + \". Will retry to send \" + e.length + \" items.\")) : this._onError(e, this._formatErrorMessageXhr(t)) : nd.isOffline() ? this._config.isRetryDisabled() || (this._resendPayload(e, 10), this._logger.throwInternal(su.WARNING, Ku, \". Offline - Response Code: \" + t.status + \". Offline status: \" + nd.isOffline() + \". Will retry to send \" + e.length + \" items.\")) : 206 === t.status ? (r = r || this._parseResponse(t.responseText || t.response)) && !this._config.isRetryDisabled() ? this._onPartialSuccess(e, r) : this._onError(e, this._formatErrorMessageXhr(t)) : (this._consecutiveErrors = 0, this._onSuccess(e, i));\n }\n }, dd.prototype.triggerSend = function (t, e) {\n void 0 === t && (t = !0);\n\n try {\n if (this._config.disableTelemetry()) this._buffer.clear();else {\n if (0 < this._buffer.count()) {\n var i = this._buffer.getItems();\n\n e ? e.call(this, i, t) : this._sender(i, t);\n }\n\n this._lastSend = +new Date();\n }\n clearTimeout(this._timeoutHandle), this._timeoutHandle = null, this._retryAt = null;\n } catch (t) {\n (!Nc.getIEVersion() || 9 < Nc.getIEVersion()) && this._logger.throwInternal(su.CRITICAL, Ku, \"Telemetry transmission failed, some telemetry will be lost: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n }, dd.prototype._onError = function (t, e, i) {\n this._logger.throwInternal(su.WARNING, Ru, \"Failed to send telemetry.\", {\n message: e\n }), this._buffer.clearSent(t);\n }, dd.prototype._onPartialSuccess = function (t, e) {\n for (var i = [], r = [], o = 0, n = e.errors.reverse(); o < n.length; o++) {\n var a = n[o],\n s = t.splice(a.index, 1)[0];\n this._isRetriable(a.statusCode) ? r.push(s) : i.push(s);\n }\n\n 0 < t.length && this._onSuccess(t, e.itemsAccepted), 0 < i.length && this._onError(i, this._formatErrorMessageXhr(null, [\"partial success\", e.itemsAccepted, \"of\", e.itemsReceived].join(\" \"))), 0 < r.length && (this._resendPayload(r), this._logger.throwInternal(su.WARNING, Ku, \"Partial success. Delivered: \" + t.length + \", Failed: \" + i.length + \". Will retry to send \" + r.length + \" our of \" + e.itemsReceived + \" items\"));\n }, dd.prototype._onSuccess = function (t, e) {\n this._buffer.clearSent(t);\n }, dd.prototype._xdrOnLoad = function (t, e) {\n if (!t || t.responseText + \"\" != \"200\" && \"\" !== t.responseText) {\n var i = this._parseResponse(t.responseText);\n\n i && i.itemsReceived && i.itemsReceived > i.itemsAccepted && !this._config.isRetryDisabled() ? this._onPartialSuccess(e, i) : this._onError(e, this._formatErrorMessageXdr(t));\n } else this._consecutiveErrors = 0, this._onSuccess(e, 0);\n }, dd.constructEnvelope = function (t, e, i) {\n var r;\n\n switch ((r = e === t.iKey || nu.isNullOrUndefined(e) ? t : _M({}, t, {\n iKey: e\n })).baseType) {\n case np.dataType:\n return Bh.EventEnvelopeCreator.Create(i, r);\n\n case Wp.dataType:\n return td.TraceEnvelopeCreator.Create(i, r);\n\n case Op.dataType:\n return Wh.PageViewEnvelopeCreator.Create(i, r);\n\n case th.dataType:\n return Qh.PageViewPerformanceEnvelopeCreator.Create(i, r);\n\n case dp.dataType:\n return Vh.ExceptionEnvelopeCreator.Create(i, r);\n\n case Ap.dataType:\n return Zh.MetricEnvelopeCreator.Create(i, r);\n\n case Vp.dataType:\n return Oh.DependencyEnvelopeCreator.Create(i, r);\n\n default:\n return Bh.EventEnvelopeCreator.Create(i, r);\n }\n }, dd._getDefaultAppInsightsChannelConfig = function () {\n return {\n endpointUrl: function endpointUrl() {\n return \"https://dc.services.visualstudio.com/v2/track\";\n },\n emitLineDelimitedJson: function emitLineDelimitedJson() {\n return !1;\n },\n maxBatchInterval: function maxBatchInterval() {\n return 15e3;\n },\n maxBatchSizeInBytes: function maxBatchSizeInBytes() {\n return 102400;\n },\n disableTelemetry: function disableTelemetry() {\n return !1;\n },\n enableSessionStorageBuffer: function enableSessionStorageBuffer() {\n return !0;\n },\n isRetryDisabled: function isRetryDisabled() {\n return !1;\n },\n isBeaconApiDisabled: function isBeaconApiDisabled() {\n return !0;\n },\n onunloadDisableBeacon: function onunloadDisableBeacon() {\n return !1;\n },\n instrumentationKey: function instrumentationKey() {},\n namePrefix: function namePrefix() {},\n samplingPercentage: function samplingPercentage() {\n return 100;\n }\n };\n }, dd._getEmptyAppInsightsChannelConfig = function () {\n return {\n endpointUrl: void 0,\n emitLineDelimitedJson: void 0,\n maxBatchInterval: void 0,\n maxBatchSizeInBytes: void 0,\n disableTelemetry: void 0,\n enableSessionStorageBuffer: void 0,\n isRetryDisabled: void 0,\n isBeaconApiDisabled: void 0,\n onunloadDisableBeacon: void 0,\n instrumentationKey: void 0,\n namePrefix: void 0,\n samplingPercentage: void 0\n };\n }, dd.prototype._isSampledIn = function (t) {\n return this._sample.isSampledIn(t);\n }, dd.prototype._beaconSender = function (t, e) {\n var i = this._config.endpointUrl(),\n r = this._buffer.batchPayloads(t),\n o = new Blob([r], {\n type: \"text/plain;charset=UTF-8\"\n });\n\n navigator.sendBeacon(i, o) ? (this._buffer.markAsSent(t), this._onSuccess(t, t.length)) : (this._xhrSender(t, !0), this._logger.throwInternal(su.WARNING, Ku, \". Failed to send telemetry with Beacon API, retried with xhrSender.\"));\n }, dd.prototype._xhrSender = function (t, e) {\n var i = this,\n r = new XMLHttpRequest();\n r[Hc] = !0, r.open(\"POST\", this._config.endpointUrl(), e), r.setRequestHeader(\"Content-type\", \"application/json\"), Nc.isInternalApplicationInsightsEndpoint(this._config.endpointUrl()) && r.setRequestHeader(Dc.sdkContextHeader, Dc.sdkContextHeaderAppIdRequest), r.onreadystatechange = function () {\n return i._xhrReadyStateChange(r, t, t.length);\n }, r.onerror = function (e) {\n return i._onError(t, i._formatErrorMessageXhr(r), e);\n };\n\n var o = this._buffer.batchPayloads(t);\n\n r.send(o), this._buffer.markAsSent(t);\n }, dd.prototype._parseResponse = function (t) {\n try {\n if (t && \"\" !== t) {\n var e = JSON.parse(t);\n if (e && e.itemsReceived && e.itemsReceived >= e.itemsAccepted && e.itemsReceived - e.itemsAccepted == e.errors.length) return e;\n }\n } catch (e) {\n this._logger.throwInternal(su.CRITICAL, $u, \"Cannot parse the response. \" + Nc.getExceptionName(e), {\n response: t\n });\n }\n\n return null;\n }, dd.prototype._resendPayload = function (t, e) {\n if (void 0 === e && (e = 1), t && 0 !== t.length) {\n this._buffer.clearSent(t), this._consecutiveErrors++;\n\n for (var i = 0, r = t; i < r.length; i++) {\n var o = r[i];\n\n this._buffer.enqueue(o);\n }\n\n this._setRetryTime(e), this._setupTimer();\n }\n }, dd.prototype._setRetryTime = function (t) {\n var e;\n if (this._consecutiveErrors <= 1) e = 10;else {\n var i = (Math.pow(2, this._consecutiveErrors) - 1) / 2,\n r = Math.floor(Math.random() * i * 10) + 1;\n r *= t, e = Math.max(Math.min(r, 3600), 10);\n }\n var o = Date.now() + 1e3 * e;\n this._retryAt = o;\n }, dd.prototype._setupTimer = function () {\n var t = this;\n\n if (!this._timeoutHandle) {\n var e = this._retryAt ? Math.max(0, this._retryAt - Date.now()) : 0,\n i = Math.max(this._config.maxBatchInterval(), e);\n this._timeoutHandle = setTimeout(function () {\n t.triggerSend();\n }, i);\n }\n }, dd.prototype._isRetriable = function (t) {\n return 408 == t || 429 == t || 500 == t || 503 == t;\n }, dd.prototype._formatErrorMessageXhr = function (t, e) {\n return t ? \"XMLHttpRequest,Status:\" + t.status + \",Response:\" + t.responseText || t.response || \"\" : e;\n }, dd.prototype._xdrSender = function (t, e) {\n var i = this,\n r = new XDomainRequest();\n r.onload = function () {\n return i._xdrOnLoad(r, t);\n }, r.onerror = function (e) {\n return i._onError(t, i._formatErrorMessageXdr(r), e);\n };\n var o = window.location && window.location.protocol;\n if (0 !== this._config.endpointUrl().lastIndexOf(o, 0)) return this._logger.throwInternal(su.WARNING, Ku, \". Cannot send XDomain request. The endpoint URL protocol doesn't match the hosting page protocol.\"), void this._buffer.clear();\n\n var n = this._config.endpointUrl().replace(/^(https?:)/, \"\");\n\n r.open(\"POST\", n);\n\n var a = this._buffer.batchPayloads(t);\n\n r.send(a), this._buffer.markAsSent(t);\n }, dd.prototype._formatErrorMessageXdr = function (t, e) {\n return t ? \"XDomainRequest,Response:\" + t.responseText || \"\" : e;\n }, dd);\n\n function dd() {\n this.priority = 1001, this.identifier = gh, this._XMLHttpRequestSupported = !1;\n }\n\n var fd = function fd() {},\n md = (gd.prototype.update = function () {\n this.automaticSession.id || this.initializeAutomaticSession();\n var t = qc.Now(),\n e = t - this.automaticSession.acquisitionDate > this.config.sessionExpirationMs(),\n i = t - this.automaticSession.renewalDate > this.config.sessionRenewalMs();\n e || i ? this.renew() : (!this.cookieUpdatedTimestamp || t - this.cookieUpdatedTimestamp > gd.cookieUpdateInterval) && (this.automaticSession.renewalDate = t, this.setCookie(this.automaticSession.id, this.automaticSession.acquisitionDate, this.automaticSession.renewalDate));\n }, gd.prototype.backup = function () {\n this.setStorage(this.automaticSession.id, this.automaticSession.acquisitionDate, this.automaticSession.renewalDate);\n }, gd.prototype.initializeAutomaticSession = function () {\n var t = Nc.getCookie(this._logger, this._storageNamePrefix());\n if (t && \"function\" == typeof t.split) this.initializeAutomaticSessionWithData(t);else {\n var e = Nc.getStorage(this._logger, this._storageNamePrefix());\n e && this.initializeAutomaticSessionWithData(e);\n }\n this.automaticSession.id || this.renew();\n }, gd.prototype.initializeAutomaticSessionWithData = function (t) {\n var e = t.split(\"|\");\n 0 < e.length && (this.automaticSession.id = e[0]);\n\n try {\n if (1 < e.length) {\n var i = +e[1];\n this.automaticSession.acquisitionDate = +new Date(i), this.automaticSession.acquisitionDate = 0 < this.automaticSession.acquisitionDate ? this.automaticSession.acquisitionDate : 0;\n }\n\n if (2 < e.length) {\n var r = +e[2];\n this.automaticSession.renewalDate = +new Date(r), this.automaticSession.renewalDate = 0 < this.automaticSession.renewalDate ? this.automaticSession.renewalDate : 0;\n }\n } catch (t) {\n this._logger.throwInternal(su.CRITICAL, wu, \"Error parsing ai_session cookie, session will be reset: \" + Nc.getExceptionName(t), {\n exception: Nc.dump(t)\n });\n }\n\n 0 == this.automaticSession.renewalDate && this._logger.throwInternal(su.WARNING, ju, \"AI session renewal date is 0, session will be reset.\");\n }, gd.prototype.renew = function () {\n var t = qc.Now();\n this.automaticSession.id = Nc.newId(), this.automaticSession.acquisitionDate = t, this.automaticSession.renewalDate = t, this.setCookie(this.automaticSession.id, this.automaticSession.acquisitionDate, this.automaticSession.renewalDate), Nc.canUseLocalStorage() || this._logger.throwInternal(su.WARNING, hu, \"Browser does not support local storage. Session durations will be inaccurate.\");\n }, gd.prototype.setCookie = function (t, e, i) {\n var r = e + this.config.sessionExpirationMs(),\n o = i + this.config.sessionRenewalMs(),\n n = new Date(),\n a = [t, e, i];\n r < o ? n.setTime(r) : n.setTime(o);\n var s = this.config.cookieDomain ? this.config.cookieDomain() : null;\n Nc.setCookie(this._logger, this._storageNamePrefix(), a.join(\"|\") + \";expires=\" + n.toUTCString(), s), this.cookieUpdatedTimestamp = qc.Now();\n }, gd.prototype.setStorage = function (t, e, i) {\n Nc.setStorage(this._logger, this._storageNamePrefix(), [t, e, i].join(\"|\"));\n }, gd.acquisitionSpan = 864e5, gd.renewalSpan = 18e5, gd.cookieUpdateInterval = 6e4, gd.cookieNameConst = \"ai_session\", gd);\n\n function gd(t, e) {\n var i = this;\n nu.isNullOrUndefined(e) ? this._logger = new Tc() : this._logger = e, \"function\" != typeof (t = t || {}).sessionExpirationMs && (t.sessionExpirationMs = function () {\n return gd.acquisitionSpan;\n }), \"function\" != typeof t.sessionRenewalMs && (t.sessionRenewalMs = function () {\n return gd.renewalSpan;\n }), this.config = t, this._storageNamePrefix = function () {\n return i.config.namePrefix && i.config.namePrefix() ? gd.cookieNameConst + i.config.namePrefix() : gd.cookieNameConst;\n }, this.automaticSession = new fd();\n }\n\n var yd = function yd() {},\n vd = function vd() {\n this.id = \"browser\", this.deviceClass = \"Browser\";\n },\n _d = function _d(t) {\n this.sdkVersion = (t.sdkExtension && t.sdkExtension() ? t.sdkExtension() + \"_\" : \"\") + \"javascript:2.2.2\";\n },\n xd = (wd.prototype.setAuthenticatedUserContext = function (t, e, i) {\n if (void 0 === i && (i = !1), !this.validateUserInput(t) || e && !this.validateUserInput(e)) this._logger.throwInternal(su.WARNING, hc, \"Setting auth user context failed. User auth/account id should be of type string, and not contain commas, semi-colons, equal signs, spaces, or vertical-bars.\", !0);else {\n this.authenticatedId = t;\n var r = this.authenticatedId;\n e && (this.accountId = e, r = [this.authenticatedId, this.accountId].join(wd.cookieSeparator)), i && Nc.setCookie(this._logger, wd.authUserCookieName, encodeURI(r), this.config.cookieDomain());\n }\n }, wd.prototype.clearAuthenticatedUserContext = function () {\n this.authenticatedId = null, this.accountId = null, Nc.deleteCookie(this._logger, wd.authUserCookieName);\n }, wd.prototype.validateUserInput = function (t) {\n return !(\"string\" != typeof t || !t || t.match(/,|;|=| |\\|/));\n }, wd.cookieSeparator = \"|\", wd.userCookieName = \"ai_user\", wd.authUserCookieName = \"ai_authUser\", wd);\n\n function wd(t, e) {\n this._logger = e;\n var i = Nc.getCookie(this._logger, wd.userCookieName);\n\n if (i) {\n var r = i.split(wd.cookieSeparator);\n 0 < r.length && (this.id = r[0]);\n }\n\n if (this.config = t, !this.id) {\n this.id = Nc.newId();\n var o = new Date(),\n n = Nc.toISOStringForIE8(o);\n this.accountAcquisitionDate = n, o.setTime(o.getTime() + 31536e6);\n var a = [this.id, n],\n s = this.config.cookieDomain ? this.config.cookieDomain() : void 0;\n Nc.setCookie(this._logger, wd.userCookieName, a.join(wd.cookieSeparator) + \";expires=\" + o.toUTCString(), s);\n var l = t.namePrefix && t.namePrefix() ? t.namePrefix() + \"ai_session\" : \"ai_session\";\n Nc.removeStorage(this._logger, l);\n }\n\n this.accountId = t.accountId ? t.accountId() : void 0;\n var u = Nc.getCookie(this._logger, wd.authUserCookieName);\n\n if (u) {\n var c = (u = decodeURI(u)).split(wd.cookieSeparator);\n c[0] && (this.authenticatedId = c[0]), 1 < c.length && c[1] && (this.accountId = c[1]);\n }\n }\n\n var bd = function bd() {},\n Md = function Md(t, e, i) {\n this.traceID = t || Nc.generateW3CId(), this.parentID = e, this.name = i, window && window.location && window.location.pathname && (this.name = window.location.pathname);\n },\n Cd = (Td.prototype.applySessionContext = function (t) {\n var e = this.session || this.sessionManager.automaticSession;\n e && \"string\" == typeof e.id && (t.ext.app.sesId = e.id), this.session && (\"string\" == typeof this.session.id ? t.ext.app.sesId = this.session.id : t.ext.app.sesId = this.sessionManager.automaticSession.id);\n }, Td.prototype.applyOperatingSystemContxt = function (t) {\n this.os && this.os.name && (t.ext.os = this.os);\n }, Td.prototype.applyApplicationContext = function (t) {\n this.application && (\"string\" == typeof this.application.ver && (t.tags[fh.applicationVersion] = this.application.ver), \"string\" == typeof this.application.build && (t.tags[fh.applicationBuild] = this.application.build));\n }, Td.prototype.applyDeviceContext = function (t) {\n this.device && (\"string\" == typeof this.device.id && (t.ext.device.localId = this.device.id), \"string\" == typeof this.device.ip && (t.ext.device.ip = this.device.ip), \"string\" == typeof this.device.model && (t.ext.device.model = this.device.model), \"string\" == typeof this.device.deviceClass && (t.ext.device.deviceClass = this.device.deviceClass));\n }, Td.prototype.applyInternalContext = function (t) {\n this.internal && (\"string\" == typeof this.internal.agentVersion && (t.tags[fh.internalAgentVersion] = this.internal.agentVersion), \"string\" == typeof this.internal.sdkVersion && (t.tags[fh.internalSdkVersion] = this.internal.sdkVersion));\n }, Td.prototype.applyLocationContext = function (t) {\n this.location && \"string\" == typeof this.location.ip && (t.tags[fh.locationIp] = this.location.ip);\n }, Td.prototype.applyOperationContext = function (t) {\n if (this.telemetryTrace) {\n var e = t.ext.trace || {\n traceID: void 0,\n parentID: void 0\n };\n \"string\" == typeof this.telemetryTrace.traceID && (e.traceID = this.telemetryTrace.traceID), \"string\" == typeof this.telemetryTrace.name && (e.name = this.telemetryTrace.name), \"string\" == typeof this.telemetryTrace.parentID && (e.parentID = this.telemetryTrace.parentID), t.ext.trace = e;\n }\n }, Td.prototype.applyWebContext = function (t) {\n this.web && (t.ext.web = t.ext.web || {}, t.ext.web = this.web);\n }, Td.prototype.applyUserContext = function (t) {\n this.user && (t.tags || (t.tags = []), \"string\" == typeof this.user.accountId && (t.tags[fh.userAccountId] = this.user.accountId), \"string\" == typeof this.user.id && (t.ext.user.id = this.user.id), \"string\" == typeof this.user.authenticatedId && (t.ext.user.authId = this.user.authenticatedId));\n }, Td.prototype.cleanUp = function (t) {\n t.ext[hh.DeviceExt] && 0 === Object.keys(t.ext[hh.DeviceExt]).length && delete t.ext[hh.DeviceExt], t.ext[hh.UserExt] && 0 === Object.keys(t.ext[hh.UserExt]).length && delete t.ext[hh.UserExt], t.ext[hh.WebExt] && 0 === Object.keys(t.ext[hh.WebExt]).length && delete t.ext[hh.WebExt], t.ext[hh.OSExt] && 0 === Object.keys(t.ext[hh.OSExt]).length && delete t.ext[hh.OSExt], t.ext[hh.AppExt] && 0 === Object.keys(t.ext[hh.AppExt]).length && delete t.ext[hh.AppExt], t.ext[hh.TraceExt] && 0 === Object.keys(t.ext[hh.TraceExt]).length && delete t.ext[hh.TraceExt];\n }, Td);\n\n function Td(t, e) {\n \"undefined\" != typeof window && (this.sessionManager = new md(e, t), this.application = new yd(), this.device = new vd(), this.internal = new _d(e), this.location = new bd(), this.user = new xd(e, t), this.telemetryTrace = new Md(), this.session = new fd()), this.appId = function () {\n return null;\n };\n }\n\n var Id = (Sd.getDefaultConfig = function () {\n return {\n instrumentationKey: function instrumentationKey() {},\n accountId: function accountId() {\n return null;\n },\n sessionRenewalMs: function sessionRenewalMs() {\n return 18e5;\n },\n samplingPercentage: function samplingPercentage() {\n return 100;\n },\n sessionExpirationMs: function sessionExpirationMs() {\n return 864e5;\n },\n cookieDomain: function cookieDomain() {\n return null;\n },\n sdkExtension: function sdkExtension() {\n return null;\n },\n isBrowserLinkTrackingEnabled: function isBrowserLinkTrackingEnabled() {\n return !1;\n },\n appId: function appId() {\n return null;\n },\n namePrefix: function namePrefix() {}\n };\n }, Sd.prototype.initialize = function (t, e, i) {\n var r = this,\n o = Sd.getDefaultConfig();\n\n function n(e) {\n a._extensionConfig[e] = function () {\n return sh.getConfig(t, e, r.identifier, o[e]());\n };\n }\n\n this._extensionConfig = this._extensionConfig || Sd.getDefaultConfig();\n var a = this;\n\n for (var s in o) {\n n(s);\n }\n\n this._logger = e.logger, this.context = new Cd(e.logger, this._extensionConfig), this._breezeChannel = Nc.getExtension(i, gh), this.context.appId = function () {\n return r._breezeChannel ? r._breezeChannel._appId : null;\n };\n }, Sd.prototype.processTelemetry = function (t) {\n nu.isNullOrUndefined(t) || (t.name === Op.envelopeType && this._logger.resetInternalMessageCount(), this.context.session && \"string\" != typeof this.context.session.id && this.context.sessionManager.update(), this._processTelemetryInternal(t), nu.isNullOrUndefined(this._nextPlugin) || this._nextPlugin.processTelemetry(t));\n }, Sd.prototype.setNextPlugin = function (t) {\n this._nextPlugin = t;\n }, Sd.prototype._processTelemetryInternal = function (t) {\n t.tags || (t.tags = []), t.ext || (t.ext = {}), t.ext[hh.DeviceExt] = t.ext[hh.DeviceExt] || {}, t.ext[hh.WebExt] = t.ext[hh.WebExt] || {}, t.ext[hh.UserExt] = t.ext[hh.UserExt] || {}, t.ext[hh.OSExt] = t.ext[hh.OSExt] || {}, t.ext[hh.AppExt] = t.ext[hh.AppExt] || {}, t.ext[hh.TraceExt] = t.ext[hh.TraceExt] || {}, this.context.applySessionContext(t), this.context.applyApplicationContext(t), this.context.applyDeviceContext(t), this.context.applyOperationContext(t), this.context.applyUserContext(t), this.context.applyOperatingSystemContxt(t), this.context.applyWebContext(t), this.context.applyLocationContext(t), this.context.applyInternalContext(t), this.context.cleanUp(t);\n }, Sd);\n\n function Sd() {\n this.priority = 110, this.identifier = mh;\n }\n\n var Ed = function Ed() {\n this.openDone = !1, this.setRequestHeaderDone = !1, this.sendDone = !1, this.abortDone = !1, this.onreadystatechangeCallbackAttached = !1;\n },\n Ld = (Ad.prototype.getAbsoluteUrl = function () {\n return this.requestUrl ? Rc.getAbsoluteUrl(this.requestUrl) : null;\n }, Ad.prototype.getPathName = function () {\n return this.requestUrl ? zc.sanitizeUrl(this._logger, Rc.getCompleteUrl(this.method, this.requestUrl)) : null;\n }, Ad);\n\n function Ad(t, e, i) {\n this.completed = !1, this.requestHeadersSize = null, this.requestHeaders = null, this.ttfb = null, this.responseReceivingDuration = null, this.callbackDuration = null, this.ajaxTotalDuration = null, this.aborted = null, this.pageUrl = null, this.requestUrl = null, this.requestSize = 0, this.method = null, this.status = null, this.requestSentTime = null, this.responseStartedTime = null, this.responseFinishedTime = null, this.callbackFinishedTime = null, this.endTime = null, this.originalOnreadystatechage = null, this.xhrMonitoringState = new Ed(), this.clientFailure = 0, this.CalculateMetrics = function () {\n this.ajaxTotalDuration = Math.round(1e3 * qc.GetDuration(this.requestSentTime, this.responseFinishedTime)) / 1e3;\n }, this.traceID = t, this.spanID = e, this._logger = i;\n }\n\n var Dd = (kd.AttachEvent = function (t, e, i) {\n var r = !1;\n return nu.isNullOrUndefined(t) || (nu.isNullOrUndefined(t.attachEvent) ? nu.isNullOrUndefined(t.addEventListener) || (t.addEventListener(e, i, !1), r = !0) : (t.attachEvent(\"on\" + e, i), r = !0)), r;\n }, kd.DetachEvent = function (t, e, i) {\n nu.isNullOrUndefined(t) || (nu.isNullOrUndefined(t.detachEvent) ? nu.isNullOrUndefined(t.removeEventListener) || t.removeEventListener(e, i, !1) : t.detachEvent(\"on\" + e, i));\n }, kd);\n\n function kd() {}\n\n var zd = (Pd.isValidTraceId = function (t) {\n return t.match(/^[0-9a-f]{32}$/) && \"00000000000000000000000000000000\" !== t;\n }, Pd.isValidSpanId = function (t) {\n return t.match(/^[0-9a-f]{16}$/) && \"0000000000000000\" !== t;\n }, Pd.prototype.toString = function () {\n return this.version + \"-\" + this.traceId + \"-\" + this.spanId + \"-\" + this.traceFlag;\n }, Pd.DEFAULT_TRACE_FLAG = \"00\", Pd.DEFAULT_VERSION = \"00\", Pd);\n\n function Pd(t, e) {\n this.traceFlag = Pd.DEFAULT_TRACE_FLAG, this.version = Pd.DEFAULT_VERSION, t && Pd.isValidTraceId(t) ? this.traceId = t : this.traceId = Nc.generateW3CId(), e && Pd.isValidSpanId(e) ? this.spanId = e : this.spanId = Nc.generateW3CId().substr(0, 16);\n }\n\n var Nd = (Od.prototype.isMonitoredInstance = function (t, e, i, r) {\n var o = !1,\n n = !0,\n a = !1;\n return void 0 !== i ? (a = this._fetchInitialized, o = \"object\" == typeof i && !0 === i[Hc] || !!r && !0 === r[Hc]) : void 0 !== t && (a = this.initialized, o = !0 === t[Hc], n = !0 === e || !nu.isNullOrUndefined(t.ajaxData)), a && n && !o;\n }, Od.prototype.supportsAjaxMonitoring = function () {\n var t = !0;\n (nu.isNullOrUndefined(XMLHttpRequest) || nu.isNullOrUndefined(XMLHttpRequest.prototype) || nu.isNullOrUndefined(XMLHttpRequest.prototype.open) || nu.isNullOrUndefined(XMLHttpRequest.prototype.send) || nu.isNullOrUndefined(XMLHttpRequest.prototype.abort)) && (t = !1);\n\n try {\n \" a \".trim();\n } catch (e) {\n t = !1;\n }\n\n return t;\n }, Od.prototype.instrumentOpen = function () {\n var t = XMLHttpRequest.prototype.open,\n e = this;\n\n XMLHttpRequest.prototype.open = function (i, r, o) {\n try {\n !e.isMonitoredInstance(this, !0) || this.ajaxData && this.ajaxData.xhrMonitoringState.openDone || e.openHandler(this, i, r, o);\n } catch (i) {\n e._core.logger.throwInternal(su.CRITICAL, Su, \"Failed to monitor XMLHttpRequest.open, monitoring data for this ajax call may be incorrect.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(this),\n exception: Nc.dump(i)\n });\n }\n\n return t.apply(this, arguments);\n };\n }, Od.prototype.openHandler = function (t, e, i, r) {\n var o = this._context && this._context.telemetryTrace && this._context.telemetryTrace.traceID || Nc.generateW3CId(),\n n = Nc.generateW3CId().substr(0, 16),\n a = new Ld(o, n, this._core.logger);\n a.method = e, a.requestUrl = i, a.xhrMonitoringState.openDone = !0, a.requestHeaders = {}, t.ajaxData = a, this.attachToOnReadyStateChange(t);\n }, Od.getFailedAjaxDiagnosticsMessage = function (t) {\n var e = \"\";\n\n try {\n nu.isNullOrUndefined(t) || nu.isNullOrUndefined(t.ajaxData) || nu.isNullOrUndefined(t.ajaxData.requestUrl) || (e += \"(url: '\" + t.ajaxData.requestUrl + \"')\");\n } catch (t) {}\n\n return e;\n }, Od.prototype.instrumentSend = function () {\n var t = XMLHttpRequest.prototype.send,\n e = this;\n\n XMLHttpRequest.prototype.send = function (i) {\n try {\n e.isMonitoredInstance(this) && !this.ajaxData.xhrMonitoringState.sendDone && e.sendHandler(this, i);\n } catch (i) {\n e._core.logger.throwInternal(su.CRITICAL, Lu, \"Failed to monitor XMLHttpRequest, monitoring data for this ajax call may be incorrect.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(this),\n exception: Nc.dump(i)\n });\n }\n\n return t.apply(this, arguments);\n };\n }, Od.prototype.sendHandler = function (t, e) {\n t.ajaxData.requestSentTime = qc.Now(), (t = this.includeCorrelationHeaders(t.ajaxData, void 0, void 0, t)).ajaxData.xhrMonitoringState.sendDone = !0;\n }, Od.prototype.instrumentAbort = function () {\n var t = XMLHttpRequest.prototype.abort,\n e = this;\n\n XMLHttpRequest.prototype.abort = function () {\n try {\n e.isMonitoredInstance(this) && !this.ajaxData.xhrMonitoringState.abortDone && (this.ajaxData.aborted = 1, this.ajaxData.xhrMonitoringState.abortDone = !0);\n } catch (t) {\n e._core.logger.throwInternal(su.CRITICAL, Tu, \"Failed to monitor XMLHttpRequest.abort, monitoring data for this ajax call may be incorrect.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(this),\n exception: Nc.dump(t)\n });\n }\n\n return t.apply(this, arguments);\n };\n }, Od.prototype.instrumentSetRequestHeader = function () {\n if (this._config.enableRequestHeaderTracking) {\n var t = XMLHttpRequest.prototype.setRequestHeader,\n e = this;\n\n XMLHttpRequest.prototype.setRequestHeader = function (i, r) {\n try {\n e.isMonitoredInstance(this) && (this.ajaxData.requestHeaders[i] = r);\n } catch (i) {\n e._core.logger.throwInternal(su.CRITICAL, bc, \"Failed to monitor XMLHttpRequest.setRequestHeader, monitoring data for this ajax call may be incorrect.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(this),\n exception: Nc.dump(i)\n });\n }\n\n return t.apply(this, arguments);\n };\n }\n }, Od.prototype.attachToOnReadyStateChange = function (t) {\n var e = this;\n t.ajaxData.xhrMonitoringState.onreadystatechangeCallbackAttached = Dd.AttachEvent(t, \"readystatechange\", function () {\n try {\n e.isMonitoredInstance(t) && 4 === t.readyState && e.onAjaxComplete(t);\n } catch (r) {\n var i = Nc.dump(r);\n i && -1 != i.toLowerCase().indexOf(\"c00c023f\") || e._core.logger.throwInternal(su.CRITICAL, Eu, \"Failed to monitor XMLHttpRequest 'readystatechange' event handler, monitoring data for this ajax call may be incorrect.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(t),\n exception: Nc.dump(r)\n });\n }\n });\n }, Od.prototype.onAjaxComplete = function (t) {\n if (t.ajaxData.responseFinishedTime = qc.Now(), t.ajaxData.status = t.status, t.ajaxData.CalculateMetrics(), t.ajaxData.ajaxTotalDuration < 0) this._core.logger.throwInternal(su.WARNING, Iu, \"Failed to calculate the duration of the ajax call, monitoring data for this ajax call won't be sent.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(t),\n requestSentTime: t.ajaxData.requestSentTime,\n responseFinishedTime: t.ajaxData.responseFinishedTime\n });else {\n var e = {\n id: \"|\" + t.ajaxData.traceID + \".\" + t.ajaxData.spanID,\n target: t.ajaxData.getAbsoluteUrl(),\n name: t.ajaxData.getPathName(),\n type: \"Ajax\",\n duration: t.ajaxData.ajaxTotalDuration,\n success: 200 <= +t.ajaxData.status && +t.ajaxData.status < 400,\n responseCode: +t.ajaxData.status,\n method: t.ajaxData.method\n },\n i = this.getAjaxCorrelationContext(t);\n\n if (i && (e.correlationContext = i), this._config.enableRequestHeaderTracking && 0 < Object.keys(t.ajaxData.requestHeaders).length && (e.properties = e.properties || {}, e.properties.requestHeaders = {}, e.properties.requestHeaders = t.ajaxData.requestHeaders), this._config.enableResponseHeaderTracking) {\n var r = t.getAllResponseHeaders();\n\n if (r) {\n var o = r.trim().split(/[\\r\\n]+/),\n n = {};\n o.forEach(function (t) {\n var e = t.split(\": \"),\n i = e.shift(),\n r = e.join(\": \");\n n[i] = r;\n }), 0 < Object.keys(n).length && (e.properties = e.properties || {}, e.properties.responseHeaders = {}, e.properties.responseHeaders = n);\n }\n }\n\n this.trackDependencyDataInternal(e), t.ajaxData = null;\n }\n }, Od.prototype.getAjaxCorrelationContext = function (t) {\n try {\n var e = t.getAllResponseHeaders();\n\n if (null !== e && -1 !== e.toLowerCase().indexOf(Dc.requestContextHeaderLowerCase)) {\n var i = t.getResponseHeader(Dc.requestContextHeader);\n return Bc.getCorrelationContext(i);\n }\n } catch (e) {\n this._core.logger.throwInternal(su.WARNING, Au, \"Failed to get Request-Context correlation header as it may be not included in the response or not accessible.\", {\n ajaxDiagnosticsMessage: Od.getFailedAjaxDiagnosticsMessage(t),\n exception: Nc.dump(e)\n });\n }\n }, Od.prototype.trackDependencyDataInternal = function (t, e, i) {\n if (-1 === this._config.maxAjaxCallsPerView || this._trackAjaxAttempts < this._config.maxAjaxCallsPerView) {\n var r = ch.create(t, Vp.dataType, Vp.envelopeType, this._core.logger, e, i);\n\n this._core.track(r);\n } else this._trackAjaxAttempts === this._config.maxAjaxCallsPerView && this._core.logger.throwInternal(su.CRITICAL, lc, \"Maximum ajax per page view limit reached, ajax monitoring is paused until the next trackPageView(). In order to increase the limit set the maxAjaxCallsPerView configuration parameter.\", !0);\n\n ++this._trackAjaxAttempts;\n }, Od.prototype.trackDependencyData = function (t, e) {\n this.trackDependencyDataInternal(t, e);\n }, Od.prototype.processTelemetry = function (t) {\n this._nextPlugin && this._nextPlugin.processTelemetry && this._nextPlugin.processTelemetry(t);\n }, Od.prototype.setNextPlugin = function (t) {\n t && (this._nextPlugin = t);\n }, Od.prototype.instrumentFetch = function () {\n if (this.supportsFetch() && !this._fetchInitialized) {\n var t = window.fetch,\n e = this;\n window.fetch = function (i, r) {\n var o;\n if (e.isFetchInstrumented(i) && e.isMonitoredInstance(void 0, void 0, i, r)) try {\n o = e.createFetchRecord(i, r), r = e.includeCorrelationHeaders(o, i, r);\n } catch (r) {\n e._core.logger.throwInternal(su.CRITICAL, Su, \"Failed to monitor Window.fetch, monitoring data for this fetch call may be incorrect.\", {\n ajaxDiagnosticsMessage: this.getFailedFetchDiagnosticsMessage(i),\n exception: Nc.dump(r)\n });\n }\n return t(i, r).then(function (t) {\n return e.onFetchComplete(t, o), t;\n }).catch(function (t) {\n throw e.onFetchFailed(i, o, t), t;\n });\n }, this._fetchInitialized = !0;\n }\n }, Od.prototype.isFetchInstrumented = function (t) {\n return this._fetchInitialized && !0 !== t[Hc];\n }, Od.prototype.supportsFetch = function () {\n var t = !0;\n return (!window || nu.isNullOrUndefined(window.Request) || nu.isNullOrUndefined(window.Request.prototype) || nu.isNullOrUndefined(window.fetch)) && (t = !1), t;\n }, Od.prototype.createFetchRecord = function (t, e) {\n var i = this._context && this._context.telemetryTrace && this._context.telemetryTrace.traceID || Nc.generateW3CId(),\n r = Nc.generateW3CId().substr(0, 16),\n o = new Ld(i, r, this._core.logger);\n return o.requestSentTime = qc.Now(), t instanceof Request ? o.requestUrl = t ? t.url : \"\" : o.requestUrl = t, e && e.method ? o.method = e.method : t && t instanceof Request ? o.method = t.method : o.method = \"GET\", e && e.headers && this._config.enableRequestHeaderTracking ? o.requestHeaders = e.headers : o.requestHeaders = {}, o;\n }, Od.prototype.includeCorrelationHeaders = function (t, e, i, r) {\n if (e) {\n if (Bc.canIncludeCorrelationHeader(this._config, t.getAbsoluteUrl(), this.currentWindowHost)) {\n if ((i = i || {}).headers = new Headers(i.headers || e instanceof Request && e.headers || {}), this._isUsingAIHeaders) {\n var o = \"|\" + t.traceID + \".\" + t.spanID;\n i.headers.set(Dc.requestIdHeader, o), this._config.enableRequestHeaderTracking && (t.requestHeaders[Dc.requestIdHeader] = o);\n }\n\n var n = this._config.appId || this._context.appId();\n\n if (n && (i.headers.set(Dc.requestContextHeader, Dc.requestContextAppIdFormat + n), this._config.enableRequestHeaderTracking && (t.requestHeaders[Dc.requestContextHeader] = Dc.requestContextAppIdFormat + n)), this._isUsingW3CHeaders) {\n var a = new zd(t.traceID, t.spanID);\n i.headers.set(Dc.traceParentHeader, a.toString()), this._config.enableRequestHeaderTracking && (t.requestHeaders[Dc.traceParentHeader] = a.toString());\n }\n\n return i;\n }\n\n return i;\n }\n\n if (r) {\n if (this.currentWindowHost && Bc.canIncludeCorrelationHeader(this._config, r.ajaxData.getAbsoluteUrl(), this.currentWindowHost)) {\n this._isUsingAIHeaders && (o = \"|\" + r.ajaxData.traceID + \".\" + r.ajaxData.spanID, r.setRequestHeader(Dc.requestIdHeader, o), this._config.enableRequestHeaderTracking && (r.ajaxData.requestHeaders[Dc.requestIdHeader] = o));\n\n var s = this._config.appId || this._context.appId();\n\n s && (r.setRequestHeader(Dc.requestContextHeader, Dc.requestContextAppIdFormat + s), this._config.enableRequestHeaderTracking && (r.ajaxData.requestHeaders[Dc.requestContextHeader] = Dc.requestContextAppIdFormat + s)), this._isUsingW3CHeaders && (a = new zd(r.ajaxData.traceID, r.ajaxData.spanID), r.setRequestHeader(Dc.traceParentHeader, a.toString()), this._config.enableRequestHeaderTracking && (r.ajaxData.requestHeaders[Dc.traceParentHeader] = a.toString()));\n }\n\n return r;\n }\n }, Od.prototype.getFailedFetchDiagnosticsMessage = function (t) {\n var e = \"\";\n\n try {\n nu.isNullOrUndefined(t) || (e += \"string\" == typeof t ? \"(url: '\" + t + \"')\" : \"(url: '\" + t.url + \"')\");\n } catch (t) {\n this._core.logger.throwInternal(su.CRITICAL, Su, \"Failed to grab failed fetch diagnostics message\", {\n exception: Nc.dump(t)\n });\n }\n\n return e;\n }, Od.prototype.onFetchComplete = function (t, e) {\n if (e) try {\n if (e.responseFinishedTime = qc.Now(), e.CalculateMetrics(), e.ajaxTotalDuration < 0) this._core.logger.throwInternal(su.WARNING, Iu, \"Failed to calculate the duration of the fetch call, monitoring data for this fetch call won't be sent.\", {\n fetchDiagnosticsMessage: this.getFailedFetchDiagnosticsMessage(t),\n requestSentTime: e.requestSentTime,\n responseFinishedTime: e.responseFinishedTime\n });else {\n var i = {\n id: \"|\" + e.traceID + \".\" + e.spanID,\n target: e.getAbsoluteUrl(),\n name: e.getPathName(),\n type: \"Fetch\",\n duration: e.ajaxTotalDuration,\n success: 200 <= t.status && t.status < 400,\n responseCode: t.status,\n properties: {\n HttpMethod: e.method\n }\n },\n r = this.getFetchCorrelationContext(t);\n\n if (r && (i.correlationContext = r), this._config.enableRequestHeaderTracking && 0 < Object.keys(e.requestHeaders).length && (i.properties = i.properties || {}, i.properties.requestHeaders = e.requestHeaders), this._config.enableResponseHeaderTracking) {\n var o = {};\n t.headers.forEach(function (t, e) {\n o[e] = t;\n }), 0 < Object.keys(o).length && (i.properties = i.properties || {}, i.properties.responseHeaders = o);\n }\n\n this.trackDependencyDataInternal(i);\n }\n } catch (e) {\n this._core.logger.throwInternal(su.WARNING, Au, \"Failed to calculate the duration of the fetch call, monitoring data for this fetch call won't be sent.\", {\n fetchDiagnosticsMessage: this.getFailedFetchDiagnosticsMessage(t),\n exception: Nc.dump(e)\n });\n }\n }, Od.prototype.onFetchFailed = function (t, e, i) {\n if (e) try {\n if (e.responseFinishedTime = qc.Now(), e.CalculateMetrics(), e.ajaxTotalDuration < 0) this._core.logger.throwInternal(su.WARNING, Iu, \"Failed to calculate the duration of the failed fetch call, monitoring data for this fetch call won't be sent.\", {\n fetchDiagnosticsMessage: this.getFailedFetchDiagnosticsMessage(t),\n requestSentTime: e.requestSentTime,\n responseFinishedTime: e.responseFinishedTime\n });else {\n var r = {\n id: \"|\" + e.traceID + \".\" + e.spanID,\n target: e.getAbsoluteUrl(),\n name: e.getPathName(),\n type: \"Fetch\",\n duration: e.ajaxTotalDuration,\n success: !1,\n responseCode: 0,\n properties: {\n HttpMethod: e.method\n }\n };\n this.trackDependencyDataInternal(r, {\n error: i.message\n });\n }\n } catch (e) {\n this._core.logger.throwInternal(su.WARNING, Au, \"Failed to calculate the duration of the failed fetch call, monitoring data for this fetch call won't be sent.\", {\n fetchDiagnosticsMessage: this.getFailedFetchDiagnosticsMessage(t),\n exception: Nc.dump(e)\n });\n }\n }, Od.prototype.getFetchCorrelationContext = function (t) {\n try {\n var e = t.headers.get(Dc.requestContextHeader);\n return Bc.getCorrelationContext(e);\n } catch (e) {\n this._core.logger.throwInternal(su.WARNING, Au, \"Failed to get Request-Context correlation header as it may be not included in the response or not accessible.\", {\n fetchDiagnosticsMessage: this.getFailedFetchDiagnosticsMessage(t),\n exception: Nc.dump(e)\n });\n }\n }, Od.prototype.instrumentXhr = function () {\n this.supportsAjaxMonitoring() && !this.initialized && (this.instrumentOpen(), this.instrumentSend(), this.instrumentAbort(), this.instrumentSetRequestHeader(), this.initialized = !0);\n }, Od.getDefaultConfig = function () {\n return {\n maxAjaxCallsPerView: 500,\n disableAjaxTracking: !1,\n disableFetchTracking: !0,\n disableCorrelationHeaders: !1,\n distributedTracingMode: $l.AI,\n correlationHeaderExcludedDomains: [\"*.blob.core.windows.net\", \"*.blob.core.chinacloudapi.cn\", \"*.blob.core.cloudapi.de\", \"*.blob.core.usgovcloudapi.net\"],\n correlationHeaderDomains: void 0,\n appId: void 0,\n enableCorsCorrelation: !1,\n enableRequestHeaderTracking: !1,\n enableResponseHeaderTracking: !1\n };\n }, Od.getEmptyConfig = function () {\n return {\n maxAjaxCallsPerView: void 0,\n disableAjaxTracking: void 0,\n disableFetchTracking: void 0,\n disableCorrelationHeaders: void 0,\n distributedTracingMode: void 0,\n correlationHeaderExcludedDomains: void 0,\n appId: void 0,\n enableCorsCorrelation: void 0,\n correlationHeaderDomains: void 0,\n enableRequestHeaderTracking: void 0,\n enableResponseHeaderTracking: void 0\n };\n }, Od.prototype.initialize = function (t, e, i) {\n if (!this.initialized && !this._fetchInitialized) {\n this._core = e;\n var r = Od.getDefaultConfig();\n\n for (var o in this._config = Od.getEmptyConfig(), r) {\n this._config[o] = sh.getConfig(t, o, Od.identifier, r[o]);\n }\n\n if (this._isUsingAIHeaders = this._config.distributedTracingMode === $l.AI || this._config.distributedTracingMode === $l.AI_AND_W3C, this._isUsingW3CHeaders = this._config.distributedTracingMode === $l.AI_AND_W3C || this._config.distributedTracingMode === $l.W3C, !1 === this._config.disableAjaxTracking && this.instrumentXhr(), !1 === this._config.disableFetchTracking && this.instrumentFetch(), 0 < i.length && i) {\n for (var n = void 0, a = 0; !n && a < i.length;) {\n i[a] && i[a].identifier === mh && (n = i[a]), a++;\n }\n\n n && (this._context = n.context);\n }\n }\n }, Od.identifier = \"AjaxDependencyPlugin\", Od);\n\n function Od() {\n this._trackAjaxAttempts = 0, this.identifier = Od.identifier, this.priority = 120, this.currentWindowHost = window && window.location && window.location.host && window.location.host.toLowerCase(), this.initialized = !1, this._fetchInitialized = !1;\n }\n\n var Rd = (jd.prototype.trackEvent = function (t, e) {\n this.appInsights.trackEvent(t, e);\n }, jd.prototype.trackPageView = function (t) {\n var e = t || {};\n this.appInsights.trackPageView(e);\n }, jd.prototype.trackPageViewPerformance = function (t) {\n var e = t || {};\n this.appInsights.trackPageViewPerformance(e);\n }, jd.prototype.trackException = function (t) {\n !t.exception && t.error && (t.exception = t.error), this.appInsights.trackException(t);\n }, jd.prototype._onerror = function (t) {\n this.appInsights._onerror(t);\n }, jd.prototype.trackTrace = function (t, e) {\n this.appInsights.trackTrace(t, e);\n }, jd.prototype.trackMetric = function (t, e) {\n this.appInsights.trackMetric(t, e);\n }, jd.prototype.startTrackPage = function (t) {\n this.appInsights.startTrackPage(t);\n }, jd.prototype.stopTrackPage = function (t, e, i, r) {\n this.appInsights.stopTrackPage(t, e, i, r);\n }, jd.prototype.startTrackEvent = function (t) {\n this.appInsights.startTrackEvent(t);\n }, jd.prototype.stopTrackEvent = function (t, e, i) {\n this.appInsights.stopTrackEvent(t, e, i);\n }, jd.prototype.addTelemetryInitializer = function (t) {\n return this.appInsights.addTelemetryInitializer(t);\n }, jd.prototype.setAuthenticatedUserContext = function (t, e, i) {\n void 0 === i && (i = !1), this.properties.context.user.setAuthenticatedUserContext(t, e, i);\n }, jd.prototype.clearAuthenticatedUserContext = function () {\n this.properties.context.user.clearAuthenticatedUserContext();\n }, jd.prototype.trackDependencyData = function (t) {\n this.dependencies.trackDependencyData(t);\n }, jd.prototype.flush = function (t) {\n void 0 === t && (t = !0), this.core.getTransmissionControls().forEach(function (e) {\n e.forEach(function (e) {\n e.flush(t);\n });\n });\n }, jd.prototype.onunloadFlush = function (t) {\n void 0 === t && (t = !0), this.core.getTransmissionControls().forEach(function (e) {\n e.forEach(function (e) {\n e.onunloadFlush ? e.onunloadFlush() : e.flush(t);\n });\n });\n }, jd.prototype.loadAppInsights = function (t) {\n if (void 0 === t && (t = !1), t && this.config.extensions && 0 < this.config.extensions.length) throw new Error(\"Extensions not allowed in legacy mode\");\n var e = [],\n i = new hd();\n return e.push(i), e.push(this.properties), e.push(this.dependencies), e.push(this.appInsights), this.core.initialize(this.config, e), this.emptyQueue(), this.pollInternalLogs(), this.addHousekeepingBeforeUnload(this), this.context = this.properties.context, this;\n }, jd.prototype.updateSnippetDefinitions = function (t) {\n for (var e in this) {\n \"string\" == typeof e && (t[e] = this[e]);\n }\n }, jd.prototype.emptyQueue = function () {\n try {\n if (Nc.isArray(this.snippet.queue)) {\n for (var t = this.snippet.queue.length, e = 0; e < t; e++) {\n (0, this.snippet.queue[e])();\n }\n\n this.snippet.queue = void 0, delete this.snippet.queue;\n }\n } catch (t) {\n t && \"function\" == typeof t.toString && t.toString();\n }\n }, jd.prototype.pollInternalLogs = function () {\n this.core.pollInternalLogs();\n }, jd.prototype.addHousekeepingBeforeUnload = function (t) {\n !t.appInsights.config.disableFlushOnBeforeUnload && \"onbeforeunload\" in window && (Nc.addEventHandler(\"beforeunload\", function () {\n t.onunloadFlush(!1);\n var e = t.appInsights.core._extensions[mh];\n e && e.context && e.context._sessionManager && e.context._sessionManager.backup();\n }) || t.appInsights.core.logger.throwInternal(su.CRITICAL, Du, \"Could not add handler for beforeunload\"));\n }, jd.prototype.getSKUDefaults = function () {\n this.config.diagnosticLogInterval = this.config.diagnosticLogInterval && 0 < this.config.diagnosticLogInterval ? this.config.diagnosticLogInterval : 1e4;\n }, jd);\n\n function jd(t) {\n t.queue = t.queue || [], t.version = t.version || 2;\n var e = t.config || {};\n e && !e.instrumentationKey && (e = t, Th.Version = \"2.2.2\"), this.appInsights = new Th(), this.properties = new Id(), this.dependencies = new Nd(), this.core = new Lc(), this.snippet = t, this.config = e, this.getSKUDefaults();\n }\n\n var Bd = (Ud.prototype.trackEvent = function (t, e) {\n !this.options.disableTelemetry && this.appInsights && this.appInsights.trackEvent(t, e);\n }, Ud.prototype.setAuthenticatedUserContext = function (t, e) {\n !this.options.disableTelemetry && this.appInsights && this.appInsights.setAuthenticatedUserContext(t, e);\n }, Ud.prototype.trackException = function (t) {\n !this.options.disableTelemetry && this.appInsights && this.appInsights.trackException(t);\n }, Ud.prototype.flush = function (t) {\n !this.options.disableTelemetry && this.appInsights && this.appInsights.flush(t);\n }, Ud);\n\n function Ud(t) {\n this.options = t, !this.options.disableTelemetry && c && (this.appInsights = new Rd({\n config: {\n instrumentationKey: c,\n disableExceptionTracking: !0,\n disableAjaxTracking: !0,\n isCookieUseDisabled: !0,\n maxBatchInterval: 5e3\n }\n }), this.appInsights.loadAppInsights(), this.appInsights.addTelemetryInitializer(function (t) {\n t.tags[fh.applicationVersion] = N.getFullVersion();\n }));\n }\n\n var Fd = (Vd.prototype.onAdd = function (t) {\n return this.container = document.createElement(\"div\"), this.container.className = \"azure-map-logo\", this.container;\n }, Vd.prototype.onRemove = function () {\n this.container.remove();\n }, Vd);\n\n function Vd() {}\n\n var qd,\n Gd = (b(Zd, qd = I), Zd);\n\n function Zd() {\n var t = null !== qd && qd.apply(this, arguments) || this;\n return t.copyrightMessage = void 0, t.showFeedbackLink = !0, t;\n }\n\n var Hd,\n Yd = (b(Wd, Hd = q), Wd.prototype.onAdd = function (e) {\n return this.container = this.buildContainer(e, t.ControlStyle.auto), this.container.className = \"map-copyright\", this.copyrightDiv = this.buildCopyrightDiv(), this.container.appendChild(this.copyrightDiv), this.options.showFeedbackLink && (this.feedbackLink = this.buildFeedbackLink(), this.container.appendChild(this.feedbackLink)), this.container;\n }, Wd.prototype.onRemove = function () {\n Hd.prototype.onRemove.call(this), delete this.container;\n }, Wd.prototype.setOptions = function (t) {\n var e = new Gd().merge(this.options, t);\n e.copyrightMessage !== this.options.copyrightMessage && (this.copyrightDiv.innerText = e.copyrightMessage), !e.showFeedbackLink && this.feedbackLink ? (this.feedbackLink.remove(), delete this.feedbackLink) : e.showFeedbackLink && !this.feedbackLink && (this.feedbackLink = this.buildFeedbackLink(), this.container.appendChild(this.feedbackLink)), this.options = e;\n }, Wd.prototype.buildCopyrightDiv = function () {\n var t = document.createElement(\"div\");\n return t.innerText = this.options.copyrightMessage || \"\", t;\n }, Wd.prototype.buildFeedbackLink = function () {\n var t = document.createElement(\"a\");\n return t.textContent = \"Improve this map\", t.href = \"https://feedback.azuremaps.com\", t.target = \"_blank\", t.rel = \"noopener\", t;\n }, Wd);\n\n function Wd(t) {\n var e = Hd.call(this) || this;\n return e.options = new Gd().merge(t), e;\n }\n\n var Xd = (Kd.throwOnError = function (t, e) {\n var i = t instanceof $m ? t._getMap() : t,\n r = function r(t) {\n throw i.off(\"error\", r), t.error;\n };\n\n i.on(\"error\", r);\n var o = e();\n return i.off(\"error\", r), o;\n }, Kd.tryCatch = function (t, e, i, r) {\n try {\n return this.throwOnError(t, e);\n } catch (t) {\n return i(t);\n } finally {\n \"function\" == typeof r && r();\n }\n }, Kd.tryFinally = function (t, e, i) {\n try {\n return this.throwOnError(t, e);\n } finally {\n i();\n }\n }, Kd);\n\n function Kd() {}\n\n var Qd = (Jd.prototype.request = function (t) {\n var e = {\n domain: this.map.getServiceOptions().domain,\n path: \"search/address/reverse/json\",\n queryParams: _M({\n \"api-version\": \"1.0\",\n language: t.style.language,\n limit: 1,\n query: Wo(t.position[1]) + \",\" + Xo(t.position[0])\n }, t.style.view && {\n view: t.style.view\n })\n };\n return new D(this.map.authentication.signRequest(e)).get();\n }, Jd);\n\n function Jd(t) {\n this.map = t;\n }\n\n var $d = (tf.prototype.cache = function (t, e, i, r) {\n var o = t + \"_\" + i[0] + \"_\" + i[1] + \"_\" + r;\n this._labelIdx[e.labelType] || (this._labelIdx[e.labelType] = [], this._labelCache[e.labelType] = []), -1 === this._labelIdx[e.labelType].indexOf(o) && (this._labelCache[e.labelType].push({\n name: t,\n radius: e.radius,\n minZoom: e.minZoom,\n maxZoom: e.maxZoom || 24,\n position: i\n }), this._labelIdx[e.labelType].push(o));\n }, tf.prototype.getNearestLabel = function (t, e, i) {\n var r = null,\n o = this._labelCache[t];\n if (o) for (var n = 1 / 0, a = 0, s = o.length; a < s; a++) {\n if (i >= o[a].minZoom && i <= o[a].maxZoom) {\n var l = Vo(o[a].position, e);\n l <= o[a].radius && l <= n && (n = l, r = o[a]);\n }\n }\n return r;\n }, tf.prototype._preloadCache = function (t) {\n if (!this._preloadedCache.has(t)) {\n this._preloadedCache.add(t);\n\n var e = {\n source: [\"Ocean label\", \"Ocean name\"],\n labelType: \"water\",\n minZoom: 0,\n radius: 395e4,\n polygonSources: [\"Ocean\", \"Ocean or sea\"]\n },\n i = t,\n r = i.indexOf(\"-\");\n\n switch (-1 !== r && (i = i.substr(0, r)), i) {\n case \"fr\":\n this.cache(\"Océan Pacifique\", e, [-170, 32], t), this.cache(\"Océan Pacifique\", e, [-138, -27], t), this.cache(\"Océan Atlantique\", e, [-40, 32], t), this.cache(\"Océan Atlantique\", e, [-17, -29], t);\n break;\n\n case \"es\":\n this.cache(\"Océan Pacifique\", e, [-170, 32], t), this.cache(\"Océan Pacifique\", e, [-138, -27], t), this.cache(\"Océano Atlántico\", e, [-40, 32], t), this.cache(\"Océano Atlántico\", e, [-17, -29], t);\n break;\n\n case \"pt\":\n this.cache(\"Oceano Pacífico\", e, [-170, 32], t), this.cache(\"Oceano Pacífico\", e, [-138, -27], t), this.cache(\"Oceano Atlântico\", e, [-40, 32], t), this.cache(\"Oceano Atlântico\", e, [-17, -29], t);\n break;\n\n case \"ja\":\n this.cache(\"太平洋\", e, [-170, 32], t), this.cache(\"太平洋\", e, [-138, -27], t);\n break;\n\n case \"en\":\n this.cache(\"Pacific Ocean\", e, [-170, 32], t), this.cache(\"Pacific Ocean\", e, [-138, -27], t), this.cache(\"Atlantic Ocean\", e, [-40, 32], t), this.cache(\"Atlantic Ocean\", e, [-17, -29], t), this.cache(\"Indian Ocean\", e, [77, -26], t);\n }\n }\n }, tf);\n\n function tf() {\n this._labelCache = {}, this._labelIdx = {}, this._preloadedCache = new Set();\n }\n\n var ef = (rf.prototype.dispose = function () {\n this._disposed = !0, this._map._getMap().off(\"move\", this._onMove), this._map._getMap().off(\"moveend\", this._onMoveEnd), this._map._getMap().off(\"styledata\", this._onStyleData), this._map._getMap().off(\"rotate\", this._onRotate), this._map.getCanvas().removeEventListener(\"mousedown\", this._onPointerDown), this._map.getCanvas().removeEventListener(\"touchstart\", this._onPointerDown), this._map.getMapContainer().removeEventListener(\"keydown\", this._shortcutListener);\n }, rf.prototype._getEventPos = function (t) {\n if (\"touches\" in t) {\n var e = t.touches[0],\n i = t.target.getBoundingClientRect();\n return [e.pageX - i.left, e.pageY - i.top];\n }\n\n return [t.offsetX, t.offsetY];\n }, rf.prototype._checkThresholds = function (t, e) {\n return this._checkZoomThreshold(t.zoom, e.zoom) || this._checkPitchThreshold(t.pitch, e.pitch) || this._checkLocThreshold(t.center, e.center) || this._checkHeadingThreshold(t.bearing, e.bearing);\n }, rf.prototype._checkZoomThreshold = function (t, e) {\n return this._round(t) !== this._round(e);\n }, rf.prototype._checkPitchThreshold = function (t, e) {\n return Math.abs(t - e) >= this._pitchThreshold;\n }, rf.prototype._checkLocThreshold = function (t, e) {\n var i = this._map.positionsToPixels([e, t]),\n r = i[0],\n o = i[1];\n\n return ao.getDistance(r, o) >= this._moveThreshold;\n }, rf.prototype._checkHeadingThreshold = function (t, e) {\n t < 0 && (t += 360), e < 0 && (e += 360);\n var i = Math.abs(t - e);\n return 180 < i && (i = 360 - i), i >= this._headingThreshold;\n }, rf.prototype._getLocDesc = function (t, e, i) {\n return C(this, void 0, void 0, function () {\n var r,\n o,\n n,\n a,\n s,\n l,\n u,\n c,\n p,\n h = this;\n return T(this, function (d) {\n switch (d.label) {\n case 0:\n return \"blank\" === i ? [3, 3] : this._map._getMap().loaded() ? [3, 2] : [4, new Promise(function (t) {\n return h._map._getMap().once(\"idle\", t);\n })];\n\n case 1:\n d.sent(), d.label = 2;\n\n case 2:\n for (r = {}, o = this._map.positionsToPixels([t.center])[0], Xd.tryCatch(this._map, function () {\n n = h._map._getMap().queryRenderedFeatures(o, {\n layers: h._polygonStyleLayer,\n filter: [\"==\", [\"geometry-type\"], \"Polygon\"]\n });\n }, function () {}), a = null, n && 0 < n.length && (a = n[0]), s = null, l = 0, u = this._lableConfig.length; l < u; l++) {\n c = this._lableConfig[l], t.zoom >= c.minZoom ? c.polygonSources ? a && -1 !== c.polygonSources.indexOf(a.layer[\"source-layer\"]) ? (s = c.labelType, this._getClosestLabel(c, t, e, r, !1)) : this._getClosestLabel(c, t, e, r, !0) : this._getClosestLabel(c, t, e, r, !1) : this._getClosestLabel(c, t, e, r, !0);\n }\n\n return 8 <= t.zoom && this._processRoads(r, t, e), this._labelCache.forEach(function (e) {\n r[e] || (p = null, (\"water\" !== e && \"majorPoi\" !== e || e === s) && (p = rf._labelCache.getNearestLabel(e, t.center, t.zoom)), p && (r[e] = p.name));\n }), [2, this._processLocInfo(t, s, r, !0, this._restFallback)];\n\n case 3:\n return [2, this._processLocInfo(t, null, null, !1, !1)];\n }\n });\n });\n }, rf.prototype._getHeadingDesc = function (t) {\n var e = t.bearing;\n\n switch (e < 0 && (e += 360), e = this._round(e, this._headingThreshold)) {\n case 0:\n case 360:\n return \"north\";\n\n case 45:\n return \"north east\";\n\n case 90:\n return \"east\";\n\n case 135:\n return \"south east\";\n\n case 180:\n return \"south\";\n\n case 225:\n return \"south west\";\n\n case 270:\n return \"west\";\n\n case 315:\n return \"north west\";\n\n default:\n return e + \" degrees\";\n }\n }, rf.prototype._getClosestLabel = function (t, e, i, r, o) {\n for (var n = t.radius, a = 0, s = t.source.length; a < s; a++) {\n var l = {\n sourceLayer: t.source[a]\n },\n u = this._map._getMap().querySourceFeatures(this._baseVectorTileSourceId, l),\n c = null,\n p = 1 / 0,\n h = this._labelCache.has(t.labelType);\n\n if (!o || o && h) for (var d = 0, f = u.length; d < f; d++) {\n var m = \"Point\" === u[d].geometry.type ? u[d] : pn(e.center, u[d].geometry);\n\n if (!o) {\n var g = \"Point\" === u[d].geometry.type ? Vo(e.center, m.geometry.coordinates) : m.properties.distance;\n g < p && (p = g, c = u[d]);\n }\n\n h && rf._labelCache.cache(u[d].properties.name, t, m.geometry.coordinates, i);\n }\n\n if (!o) {\n var y = t.labelType + \"Dis\";\n c && p <= n && (\"number\" != typeof r[y] || p <= r[y]) && (r[t.labelType] = c.properties.name, r[y] = p);\n }\n }\n }, rf.prototype._processRoads = function (t, e, i, r) {\n var o = this._map._getMap().queryRenderedFeatures(r, {\n filter: [\"==\", [\"geometry-type\"], \"LineString\"]\n });\n\n if (o) {\n for (var n = void 0, a = void 0, s = void 0, l = void 0, u = 0, c = o.length; u < c; u++) {\n if (this._roadLayers.has(o[u].layer[\"source-layer\"]) && o[u].properties.name && \"\" !== o[u].properties.name) {\n var p = pn(e.center, o[u]);\n (!s || p.properties.distance < s.properties.distance) && (n && o[u].properties.name === n.properties.name ? s = p : n && o[u].properties.name === n.properties.name ? (!l || p.properties.distance < l.properties.distance) && (l = p, a = o[u]) : (l = s, a = n, s = p, n = o[u]));\n }\n }\n\n if (n && (t.country || (t.country = n.properties.country_code, t.countryDis = 0, rf._labelCache.cache(t.country, {\n source: [\"Country name\"],\n labelType: \"country\",\n radius: 5e3,\n minZoom: 0\n }, s.geometry.coordinates, i)), t.state || (t.state = n.properties.country_subdivision, t.stateDis = 0, rf._labelCache.cache(t.state, {\n source: [\"State name\"],\n labelType: \"state\",\n radius: 5e3,\n minZoom: 4\n }, s.geometry.coordinates, i)), 15 <= e.zoom)) {\n var h = this._map.positionsToPixels([e.center, s.geometry.coordinates]),\n d = ao.getDistance(h[0], h[1]);\n\n if ((d < this._roadPixelRadius || s.properties.distance < this._minRoadDistance) && (t.road = n.properties.name), a) {\n var f = this._map.positionsToPixels([l.geometry.coordinates]);\n\n ((d = ao.getDistance(h[0], f[0])) < this._minIntersectionPixelDistance || l.properties.distance < this._minRoadDistance) && (t.secondRoad = a.properties.name, t.secondRoadDis = l.properties.distance);\n }\n }\n }\n }, rf.prototype._getActionDesc = function (t) {\n if (this._lastCam) {\n var e = [];\n\n if (this._checkLocThreshold(t.center, this._lastCam.center)) {\n var i = [\"panned\"],\n r = Math.round(Go(this._lastCam.center, t.center));\n 0 === r || 360 === r ? i.push(\"north\") : r < 90 ? i.push(\"north east\") : 90 === r ? i.push(\"east\") : r < 180 ? i.push(\"south east\") : 180 === r ? i.push(\"south\") : r < 270 ? i.push(\"south west\") : 270 === r ? i.push(\"west\") : r < 360 && i.push(\"north west\");\n var o = Vo(this._lastCam.center, t.center, ho.meters);\n i.push(1e3 < o ? Bo(o / 1e3, 2) + \" kilometers\" : Bo(o, 2) + \" meters\"), e.push(i.join(\" \"));\n }\n\n if (this._checkZoomThreshold(t.zoom, this._lastCam.zoom)) {\n (i = [\"zoomed\"]).push(this._lastCam.zoom < t.zoom ? \"in\" : \"out\");\n var n = Math.abs(this._lastCam.zoom - t.zoom);\n 1 <= n && (n = Math.ceil(n), i.push(1 < n ? n + \" levels\" : n + \" level\")), this._getCanonicalZoom(this._lastCam.zoom) !== this._getCanonicalZoom(t.zoom) && i.push(\"to \" + this._getCanonicalZoom(t.zoom) + \" level\"), e.push(i.join(\" \"));\n }\n\n if (this._checkPitchThreshold(t.pitch, this._lastCam.pitch)) {\n var a = this._round(t.pitch, this._pitchThreshold);\n\n if (e.push(\"pitched to \" + a + \" degrees\"), 60 === t.pitch || 0 === t.pitch) {\n var s = 60 === t.pitch ? \"maximum\" : \"minimum\";\n e.push(\"reached \" + s + \" of \" + t.pitch + \" degrees\");\n }\n }\n\n return this._checkHeadingThreshold(this._lastCam.bearing, t.bearing) && e.push(\"rotated to \" + this._getHeadingDesc(t)), e.join(\" and \") || null;\n }\n\n return null;\n }, rf.prototype._getCanonicalZoom = function (t) {\n return (t = this._round(t)) < 2 ? \"world\" : t < 5 ? \"country\" : t < 11 ? \"state province\" : t < 15 ? \"city\" : \"street\";\n }, rf.prototype._processLocInfo = function (t, e, i, r, o) {\n var n = this;\n return new Promise(function (a, s) {\n var l = [];\n\n if (r) {\n var u = [];\n if (i && (e && (\"water\" === e && i.water ? u.push(i.water) : \"majorPoi\" === e && i.majorPoi && u.push(i.majorPoi)), 0 === u.length && (i.majorPoi && 8 <= t.zoom ? u.push(i.majorPoi) : (i.poi && 14 <= t.zoom ? u.push(i.poi) : i.road && 15 <= t.zoom && (i.secondRoad ? u.push(i.road + \" & \" + i.secondRoad) : u.push(i.road)), i.neighbourhood && 12 <= t.zoom && u.push(i.neighbourhood), i.city && 6 <= t.zoom && u.push(i.city)), i.state && 4 <= t.zoom && u.push(i.state), 0 === u.length ? i.water ? u.push(i.water) : i.country && u.push(i.country) : 1 === u.length && i.state && 4 <= t.zoom && i.country && u.push(i.country))), 0 < u.length) l.push(\"Location: \", u.join(\", \"), \".
\");else if (o && \"water\" !== e) return void n._reverseGeocodeDescription(t).then(function (t) {\n a(t);\n }, function () {\n s(\"Location: unknown
\");\n });\n }\n\n n._returnDetailedDescriptions && (l.push(\"Zoom: \", Bo(t.zoom, 2), \".
\"), l.push(\"Latitude: \", Bo(t.center[1], 5), \".
\"), l.push(\"Longitude: \", Bo(t.center[0], 5), \".
\")), a(l.join(\"\"));\n });\n }, rf.prototype._reverseGeocodeDescription = function (t) {\n var e = this;\n return new Promise(function (i) {\n var r = e._map.getStyle();\n\n e._reverseSearch.request({\n position: t.center,\n style: r\n }).then(function (o) {\n var n = {};\n\n if (o && o.addresses && 0 < o.addresses.length && o.addresses[0].address) {\n var a = o.addresses[0].address;\n a.country && (n.country = a.country, rf._labelCache.cache(n.country, {\n source: [\"Country name\"],\n labelType: \"country\",\n radius: 5e3,\n minZoom: 0\n }, t.center, r.language)), a.countrySubdivision && (n.state = a.countrySubdivision, rf._labelCache.cache(n.state, {\n source: [\"State name\"],\n labelType: \"state\",\n radius: 5e3,\n minZoom: 4\n }, t.center, r.language)), a.municipality && (n.city = a.municipality, rf._labelCache.cache(n.state, {\n source: [\"Small city\"],\n labelType: \"city\",\n radius: 1e3,\n minZoom: 10\n }, t.center, r.language)), a.streetNameAndNumber ? n.road = a.streetNameAndNumber : a.street && (n.road = a.street);\n }\n\n e._processLocInfo(t, null, n, !0, !1).then(function (t) {\n i(t);\n });\n }, function (r) {\n e._processLocInfo(t, null, null, !0, !1).then(function (t) {\n i(t);\n });\n }).catch(function (r) {\n e._processLocInfo(t, null, null, !0, !1).then(function (t) {\n i(t);\n });\n });\n });\n }, rf.prototype._round = function (t, e) {\n return void 0 === e && (e = 1), Math.round(t / e) * e;\n }, rf);\n\n function rf(t, e) {\n var i = this;\n this._restFallback = !0, this._disposed = !1, this._lastHeadingTime = 0, this._actionQueue = [], this._pointerUpdateDelay = 3e3, this._camUpdateDelay = 1e3, this._headUpdateLimit = 1e3, this._controlEventDelay = 500, this._moveThreshold = 25, this._headingThreshold = 5, this._pitchThreshold = 5, this._roadPixelRadius = 120, this._minRoadDistance = 25, this._minIntersectionPixelDistance = 50, this._baseVectorTileSourceId = \"vectorTiles\", this._lableConfig = [{\n source: [\"Ocean label\", \"Ocean name\"],\n labelType: \"water\",\n minZoom: 0,\n radius: 395e4,\n polygonSources: [\"Ocean\", \"Ocean or sea\"]\n }, {\n source: [\"Sea label\"],\n labelType: \"water\",\n minZoom: 3,\n radius: 1e6,\n polygonSources: [\"Sea\", \"Ocean or sea\"]\n }, {\n source: [\"Country name\"],\n labelType: \"country\",\n minZoom: 0,\n maxZoom: 5,\n radius: 3e5\n }, {\n source: [\"State name\", \"State name short\"],\n labelType: \"state\",\n minZoom: 4,\n maxZoom: 7,\n radius: 3e5\n }, {\n source: [\"Capital city\", \"Large city\"],\n labelType: \"city\",\n minZoom: 8,\n radius: 4e4\n }, {\n source: [\"Medium city\"],\n labelType: \"city\",\n minZoom: 8,\n radius: 3e4\n }, {\n source: [\"Small city\"],\n labelType: \"city\",\n minZoom: 8,\n radius: 2e4\n }, {\n source: [\"Island label\"],\n labelType: \"city\",\n minZoom: 8,\n radius: 1e4\n }, {\n source: [\"Town\"],\n labelType: \"city\",\n minZoom: 10,\n radius: 1e4\n }, {\n source: [\"Village\"],\n labelType: \"neighbourhood\",\n minZoom: 12,\n radius: 6e3\n }, {\n source: [\"Amusement area label\"],\n labelType: \"poi\",\n minZoom: 14,\n radius: 2e3,\n polygonSources: [\"Amusement park\"]\n }, {\n source: [\"Hospital label\"],\n labelType: \"poi\",\n minZoom: 14,\n radius: 1e3,\n polygonSources: [\"Hospital\"]\n }, {\n source: [\"Shopping centre label\"],\n labelType: \"poi\",\n minZoom: 14,\n radius: 1e3,\n polygonSources: [\"Shopping\"]\n }, {\n source: [\"Stadium label\"],\n labelType: \"poi\",\n minZoom: 14,\n radius: 1e3,\n polygonSources: [\"Stadium\"]\n }, {\n source: [\"University/School label\"],\n labelType: \"poi\",\n minZoom: 14,\n radius: 1e3,\n polygonSources: [\"University\"]\n }, {\n source: [\"Zoo label\"],\n labelType: \"poi\",\n minZoom: 14,\n radius: 1e3,\n polygonSources: [\"Zoo\"]\n }, {\n source: [\"Airport Label\", \"Airport name\", \"Airport POI\"],\n labelType: \"majorPoi\",\n minZoom: 11,\n radius: 3e3,\n polygonSources: [\"Airport\", \"Runway\"]\n }, {\n source: [\"National park label\"],\n labelType: \"majorPoi\",\n minZoom: 7,\n radius: 15e3,\n polygonSources: [\"National or state park\", \"National park\", \"Forest\"]\n }, {\n source: [\"Reservation label\"],\n labelType: \"majorPoi\",\n minZoom: 7,\n radius: 15e3,\n polygonSources: [\"Reservation\"]\n }], this._polygonStyleLayer = [\"National or state park\", \"National park\", \"Reservation\", \"Airport\", \"Runway\", \"Stadium\", \"University\", \"Zoo\", \"Shopping\", \"Hospital\", \"Amusement park\", \"Ocean\", \"Sea\", \"Ocean or sea\"], this._labelCache = new Set([\"city\", \"state\", \"country\", \"water\", \"majorPoi\"]), this._roadLayers = new Set([\"Connecting road\", \"Connecting road tunnel\", \"International road\", \"International road tunnel\", \"Local road\", \"Local road tunnel\", \"Major local road\", \"Major local road tunnel\", \"Major road\", \"Major road tunnel\", \"Minor local road\", \"Minor local road tunnel\", \"Motorway\", \"Motorway tunnel\", \"Secondary road\", \"Secondary road tunnel\", \"Toll connecting road\", \"Toll connecting road tunnel\", \"Toll international road\", \"Toll international road tunnel\", \"Toll local road\", \"Toll local road tunnel\", \"Toll major local road\", \"Toll major local road tunnel\", \"Toll major road\", \"Toll major road tunnel\", \"Toll minor local road\", \"Toll minor local road tunnel\", \"Toll motorway\", \"Toll motorway tunnel\", \"Toll secondary road\", \"Toll secondary road tunnel\"]), this._returnDetailedDescriptions = !1, this._shortcutListener = function (t) {\n return C(i, void 0, void 0, function () {\n var e, i, r, o, n;\n return T(this, function (a) {\n switch (a.label) {\n case 0:\n return t.altKey && t.ctrlKey && 68 === t.keyCode ? (this._returnDetailedDescriptions = !this._returnDetailedDescriptions, e = this._map.getCamera(), i = this._map.getStyle(), r = i.language.toLowerCase(), o = i.style.toLowerCase(), [4, this._getLocDesc(e, r, o)]) : [3, 2];\n\n case 1:\n n = a.sent(), this._descCallback(n), a.label = 2;\n\n case 2:\n return [2];\n }\n });\n });\n }, this._onRotate = function () {\n i._rotateTimeout || (Date.now() - i._lastHeadingTime >= i._headUpdateLimit ? i._rotateTimeout = setTimeout(i._updateHeading, X.RotationDuration + 25) : i._rotateTimeout = setTimeout(i._updateHeading, i._headUpdateLimit - (Date.now() - i._lastHeadingTime)));\n }, this._onMove = function () {\n i._moveTimeout && (clearTimeout(i._moveTimeout), delete i._moveTimeout), i._controlTimeout && (clearTimeout(i._controlTimeout), delete i._controlTimeout);\n }, this._onMoveEnd = function (t) {\n t.fromControl ? i._controlTimeout = setTimeout(i._updateCam, i._controlEventDelay) : i._updateCam();\n }, this._onStyleData = function () {\n setTimeout(i._updateStyle);\n }, this._onPointerDown = function (t) {\n i._lastPointerPos = i._getEventPos(t), i._pointerTimeout = setTimeout(function () {\n return C(i, void 0, void 0, function () {\n var t, e, i, r, o;\n return T(this, function (n) {\n switch (n.label) {\n case 0:\n return t = this._map.getStyle(), e = t.language.toLowerCase(), i = t.style.toLowerCase(), (r = this._map.getCamera()).center = this._map.pixelsToPositions([this._lastPointerPos])[0], [4, this._getLocDesc(r, e, i)];\n\n case 1:\n return o = n.sent(), this._descCallback(o), this._onPointerUp(), [2];\n }\n });\n });\n }, i._pointerUpdateDelay), i._map.getCanvas().addEventListener(\"mousemove\", i._onPointerMove), i._map.getCanvas().addEventListener(\"touchmove\", i._onPointerMove), i._map.getCanvas().addEventListener(\"mouseup\", i._onPointerUp), i._map.getCanvas().addEventListener(\"touchend\", i._onPointerUp);\n }, this._onPointerMove = function (t) {\n var e = i._getEventPos(t),\n r = i._lastPointerPos[0] - e[0],\n o = i._lastPointerPos[1] - e[1];\n\n Math.sqrt(r * r + o * o) > i._moveThreshold && i._onPointerUp();\n }, this._onPointerUp = function () {\n clearTimeout(i._pointerTimeout), delete i._pointerTimeout, i._map.getCanvas().removeEventListener(\"mousemove\", i._onPointerMove), i._map.getCanvas().removeEventListener(\"touchmove\", i._onPointerMove), i._map.getCanvas().removeEventListener(\"mouseup\", i._onPointerUp), i._map.getCanvas().removeEventListener(\"touchend\", i._onPointerUp);\n }, this._updateHeading = function () {\n var t = i._map.getCamera();\n\n if (!i._lastHead || i._checkHeadingThreshold(t.bearing, i._lastHead)) {\n var e = i._getHeadingDesc(t);\n\n i._lastHead = t.bearing, i._descCallback(\"Map heading \" + e + \".
\"), i._lastHeadingTime = Date.now();\n }\n\n delete i._rotateTimeout;\n }, this._updateStyle = function () {\n return C(i, void 0, void 0, function () {\n var t, e, i, r, o;\n return T(this, function (n) {\n switch (n.label) {\n case 0:\n return t = this._map.getCamera(), e = this._map.getStyle(), i = e.language.toLowerCase(), r = e.style.toLowerCase(), this._lastLang === i ? [3, 2] : (rf._labelCache._preloadCache(i), [4, this._getLocDesc(t, i, r)]);\n\n case 1:\n return o = n.sent(), [3, 4];\n\n case 2:\n return this._lastStyle === r || \"blank\" !== this._lastStyle ? [3, 4] : [4, this._getLocDesc(t, i, r)];\n\n case 3:\n o = n.sent(), n.label = 4;\n\n case 4:\n return this._lastLang = i, this._lastStyle = r, o && this._descCallback(o), [2];\n }\n });\n });\n }, this._updateCam = function (t) {\n void 0 === t && (t = !1);\n\n var e = i._map.getCamera();\n\n if (!i._lastCam || 0 < i._actionQueue.length || i._checkThresholds(e, i._lastCam)) {\n var r = i._map.getStyle(),\n o = r.language.toLowerCase(),\n n = r.style.toLowerCase(),\n a = i._getActionDesc(e);\n\n a && i._actionQueue.push(a), i._lastCam = e, i._moveTimeout && (clearTimeout(i._moveTimeout), delete i._moveTimeout), i._moveTimeout = setTimeout(function () {\n return C(i, void 0, void 0, function () {\n var t;\n return T(this, function (i) {\n switch (i.label) {\n case 0:\n return clearTimeout(this._rotateTimeout), delete this._rotateTimeout, [4, this._getLocDesc(e, o, n)];\n\n case 1:\n return t = i.sent(), 0 < this._actionQueue.length ? (this._descCallback(\"Map \" + this._actionQueue.join(\", then \") + \".
\" + t), this._actionQueue = []) : this._descCallback(t), [2];\n }\n });\n });\n }, t ? 0 : i._camUpdateDelay);\n }\n }, this._map = t, this._descCallback = e, this._reverseSearch = new Qd(t), rf._labelCache || (rf._labelCache = new $d()), this._lastLang = this._map.getStyle().language.toLowerCase(), rf._labelCache._preloadCache(this._lastLang), this._map.events.addOnce(\"load\", function () {\n i._disposed || (i._updateCam(!0), i._map._getMap().on(\"move\", i._onMove), i._map._getMap().on(\"moveend\", i._onMoveEnd), i._map._getMap().on(\"styledata\", i._onStyleData), i._map._getMap().on(\"rotate\", i._onRotate), i._map.getCanvas().addEventListener(\"mousedown\", i._onPointerDown), i._map.getCanvas().addEventListener(\"touchstart\", i._onPointerDown));\n }), this._map.getMapContainer().addEventListener(\"keydown\", this._shortcutListener);\n }\n\n var of,\n nf = function nf(t) {\n var e = this;\n this.addToMap = function () {\n e.initializeMapLiveStateInfo(), e.initializeMapStyleInfo(), e.createMapKeyBindingInfo(), e.map.getMapContainer().setAttribute(\"role\", \"application\"), e.map.getMapContainer().setAttribute(\"aria-label\", \"Map Application\"), e.map.getCanvas().setAttribute(\"aria-label\", \"Interactive Map\"), e.map.getCanvas().setAttribute(\"aria-describedby\", \"atlas-map-state atlas-map-style atlas-map-shortcuts\"), e.map.getCanvas().setAttribute(\"alt\", \"Interactive Map\");\n }, this.removeFromMap = function () {\n null != e.mapViewDesc && e.mapViewDesc.dispose(), delete e.mapViewDesc, null != e.atlasMapKeyBindings && e.map.getCanvasContainer().removeChild(e.atlasMapKeyBindings), delete e.atlasMapKeyBindings, null != e.atlasMapLiveStateInfo && e.map.getCanvasContainer().removeChild(e.atlasMapLiveStateInfo), delete e.atlasMapLiveStateInfo, null != e.atlasMapStyleInfo && e.map.getCanvasContainer().removeChild(e.atlasMapStyleInfo), delete e.atlasMapStyleInfo, e.map.getMapContainer().removeAttribute(\"role\"), e.map.getMapContainer().removeAttribute(\"aria-label\"), e.map.getCanvas().removeAttribute(\"aria-label\"), e.map.getCanvas().removeAttribute(\"aria-describedby\"), e.map.getCanvas().removeAttribute(\"alt\"), e.map.events.remove(\"styledata\", e.updateMapStyle);\n }, this.createMapKeyBindingInfo = function () {\n e.atlasMapKeyBindings = document.createElement(\"div\"), e.atlasMapKeyBindings.setAttribute(\"tabindex\", \"-1\"), e.atlasMapKeyBindings.setAttribute(\"aria-hidden\", \"true\"), e.atlasMapKeyBindings.id = \"atlas-map-shortcuts\", e.atlasMapKeyBindings.classList.add(\"hidden-accessible-element\"), e.atlasMapKeyBindings.innerHTML = [\"Map shortcuts:\", \"Zoom out: hyphen.\", \"Zoom in: plus.\", \"Pan right 100 pixels: right arrow.\", \"Pan left 100 pixels: left arrow.\", \"Pan up 100 pixels: up arrow.\", \"Pan down 100 pixels: down arrow.\", \"Rotate 15 degrees clockwise: shift + right arrow.\", \"Rotate 15 degrees counter clockwise: shift + left arrow.\", \"Increase pitch 10 degrees: shift + up arrow.\", \"Decrease pitch 10 degrees: shift + down arrow.\", \"Toggle verbose map state: control + alt + D.\", \"Jump focus to the map: Escape.\"].join(\"\\n\"), e.map.getCanvasContainer().appendChild(e.atlasMapKeyBindings), e.atlasMapKeyBindings.setAttribute(\"aria-live\", \"polite\");\n }, this.initializeMapLiveStateInfo = function () {\n e.mapViewDesc = new ef(e.map, e.updateMapState), e.atlasMapLiveStateInfo = document.createElement(\"div\"), e.atlasMapLiveStateInfo.setAttribute(\"tabindex\", \"-1\"), e.atlasMapLiveStateInfo.setAttribute(\"aria-hidden\", \"true\"), e.atlasMapLiveStateInfo.id = \"atlas-map-state\", e.atlasMapLiveStateInfo.classList.add(\"hidden-accessible-element\"), e.map.getCanvasContainer().appendChild(e.atlasMapLiveStateInfo), e.atlasMapLiveStateInfo.setAttribute(\"aria-live\", \"polite\");\n }, this.initializeMapStyleInfo = function () {\n e.atlasMapStyleInfo = document.createElement(\"div\"), e.atlasMapStyleInfo.setAttribute(\"tabindex\", \"-1\"), e.atlasMapStyleInfo.setAttribute(\"aria-hidden\", \"true\"), e.atlasMapStyleInfo.id = \"atlas-map-style\", e.atlasMapStyleInfo.classList.add(\"hidden-accessible-element\"), e.updateMapStyle(), e.map.events.add(\"styledata\", e.updateMapStyle), e.map.getCanvasContainer().appendChild(e.atlasMapStyleInfo), e.atlasMapStyleInfo.setAttribute(\"aria-live\", \"polite\");\n }, this.updateMapStyle = function () {\n e.atlasMapStyleInfo.innerHTML = \"Map style: \" + e.map.getStyle().style + \".
\";\n }, this.updateMapState = function (t) {\n e.atlasMapLiveStateInfo.innerHTML = t;\n }, this.map = t;\n },\n af = function af(t) {\n var e = this;\n this.callCounter = 0, this.listenerEnabled = !1, this.flowComponent = void 0, this.flowPath = void 0, this.addToMap = function () {\n if (!e.map._isReady()) throw new Error(\"Traffic flow could not be added to the map because the map is not ready. Please use a ready event listener to guarantee the map is ready before enabling traffic flow.\");\n e.listenerEnabled || (e.map.events.add(\"styledata\", e.addToMap), e.listenerEnabled = !0);\n var t = e.map.getStyle(),\n i = e.map.getTraffic(),\n r = e.map.styles.getFlowPath(t, i);\n\n if (r && e.flowPath !== r) {\n e.callCounter++;\n var o = e.callCounter;\n e.map.styles.getFlowComponent(t, i).then(function (t) {\n if (e.callCounter === o) {\n e.flowComponent && (e.map.layers.remove(e.flowComponent.layer), e.map.sources.remove(e.flowComponent.sources), delete e.flowComponent);\n var i = e.map.layers.getLayers(),\n n = i.findIndex(function (t) {\n return \"transit\" === t.getId();\n }),\n a = -1 !== n ? i[n + 1] : void 0;\n e.map.sources.add(t.sources), e.map.layers.add(t.layer, a), e.flowComponent = t, e.flowPath = r;\n }\n });\n }\n }, this.removeFromMap = function () {\n e.callCounter++, e.listenerEnabled && (e.map.events.remove(\"styledata\", e.addToMap), e.listenerEnabled = !1), e.flowPath && delete e.flowPath, e.flowComponent && (e.map.layers.remove(e.flowComponent.layer), e.map.sources.remove(e.flowComponent.sources), delete e.flowComponent);\n }, this.map = t;\n },\n sf = (b(lf, of = I), lf);\n\n function lf() {\n var t = null !== of && of.apply(this, arguments) || this;\n return t.version = \"1.0\", t.bbox = void 0, t.zoom = void 0, t.params = {}, t;\n }\n\n var uf = (cf.prototype.request = function (t) {\n var e,\n i = new sf().merge(t),\n r = this.map.getServiceOptions().domain;\n e = Sn.getWest(i.bbox) < -180 && 180 < Sn.getEast(i.bbox) ? Sn.getSouth(i.bbox) + \",-180,\" + Sn.getNorth(i.bbox) + \",180\" : Sn.getSouth(i.bbox) + \",\" + Xo(Sn.getWest(i.bbox)) + \",\" + Sn.getNorth(i.bbox) + \",\" + Xo(Sn.getEast(i.bbox));\n var o = {\n domain: r,\n path: \"traffic/incident/detail/json\",\n queryParams: _M({\n \"api-version\": i.version,\n projection: \"EPSG4326\",\n style: \"s3\",\n boundingbox: e,\n boundingzoom: i.zoom,\n trafficmodelid: -1\n }, i.params)\n };\n return new D(this.map.authentication.signRequest(o)).get();\n }, cf);\n\n function cf(t) {\n this.map = t;\n }\n\n var pf,\n hf,\n df,\n ff = (b(mf, pf = ro), mf.getIncidentTypeName = function (t, e) {\n switch (t) {\n case 0:\n return e.Unknown;\n\n case 1:\n return e.Accident;\n\n case 2:\n return e.Fog;\n\n case 3:\n return e.Danger;\n\n case 4:\n return e.Rain;\n\n case 5:\n return e.Ice;\n\n case 6:\n return e.Jam;\n\n case 7:\n return e.LaneClosed;\n\n case 8:\n return e.RoadClosed;\n\n case 9:\n return e.RoadWorks;\n\n case 10:\n return e.Wind;\n\n case 11:\n return e.Flood;\n\n case 12:\n return e.Detour;\n\n default:\n return e.Unknown;\n }\n }, mf.getIncidentTypeIconName = function (t) {\n switch (t) {\n case 0:\n return \"unknown\";\n\n case 1:\n return \"accident\";\n\n case 2:\n return \"fog\";\n\n case 3:\n return \"danger\";\n\n case 4:\n return \"rain\";\n\n case 5:\n return \"ice\";\n\n case 6:\n return \"jam\";\n\n case 7:\n return \"lane-closed\";\n\n case 8:\n return \"road-closed\";\n\n case 9:\n return \"road-work\";\n\n case 10:\n return \"wind\";\n\n case 11:\n return \"flood\";\n\n case 12:\n return \"detour\";\n\n default:\n return \"unknown\";\n }\n }, mf.getSeverityColorName = function (t) {\n switch (t) {\n case 0:\n return \"grey\";\n\n case 1:\n return \"yellow\";\n\n case 2:\n return \"orange\";\n\n case 3:\n return \"red\";\n\n case 4:\n default:\n return \"grey\";\n }\n }, mf.getSeverityColorHexCode = function (t) {\n switch (t) {\n case 0:\n return \"#B5B6B7\";\n\n case 1:\n return \"#F4C951\";\n\n case 2:\n return \"#F4873F\";\n\n case 3:\n return \"#F04F4E\";\n\n case 4:\n default:\n return \"#B5B6B7\";\n }\n }, mf);\n\n function mf(t, e) {\n var i = new lo(new dn(t.op.x, t.op.y)),\n r = {\n icon: mf.getSeverityColorName(t.ty) + \"-\" + mf.getIncidentTypeIconName(t.ic),\n incidentType: mf.getIncidentTypeName(t.ic, e),\n description: t.d,\n length: t.l,\n delay: t.dl,\n from: t.f,\n color: mf.getSeverityColorHexCode(t.ty),\n to: t.t,\n id: t.id\n };\n return pf.call(this, i, r) || this;\n }\n\n (df = hf = hf || {}).DELAY = \"delay\", df.LENGTH = \"length\", df.FROM = \"from\", df.TO = \"to\";\n var gf = (yf.build = function (t, e) {\n void 0 === e && (e = \"en-US\");\n var i = document.createElement(\"div\");\n i.classList.add(\"incident-popup-title\"), i.classList.add(\"font-segoeui-b\"), i.setAttribute(\"tabindex\", \"0\"), i.innerText = t.properties.incidentType, i.setAttribute(\"aria-label\", \"Incident Type \" + t.properties.incidentType);\n var r = document.createElement(\"div\");\n r.classList.add(\"incident-popup-subtitle\"), r.classList.add(\"font-segoeui-b\"), r.setAttribute(\"aria-label\", \"Incident Description \" + t.properties.description), r.setAttribute(\"tabindex\", \"0\"), r.innerText = t.properties.description;\n var o = document.createElement(\"div\");\n o.classList.add(\"incident-popup-header\"), o.style.backgroundColor = t.properties.color, o.appendChild(i), o.appendChild(r);\n var n = document.createElement(\"div\");\n\n if (n.classList.add(\"incident-popup-body\"), t.properties.delay) {\n var a = Math.floor(t.properties.delay / 60) + \" min\",\n s = this.createInfoSection(a, hf.DELAY);\n n.appendChild(s);\n }\n\n if (t.properties.length) {\n var l = new Intl.NumberFormat([e, \"en-US\"], {\n maximumFractionDigits: 2\n }),\n u = void 0;\n\n if (\"en-US\" === e) {\n var c = Uo(t.properties.length, \"meters\", \"miles\");\n u = l.format(c) + \" miles\";\n } else {\n var p = Uo(t.properties.length, \"meters\", \"kilometers\");\n u = l.format(p) + \" km\";\n }\n\n var h = this.createInfoSection(u, hf.LENGTH);\n n.appendChild(h);\n }\n\n if (t.properties.from) {\n var d = this.createInfoSection(t.properties.from, hf.FROM);\n n.appendChild(d);\n }\n\n if (t.properties.to) {\n var f = this.createInfoSection(t.properties.to, hf.TO);\n n.appendChild(f);\n }\n\n var m = document.createElement(\"div\");\n return m.classList.add(\"incident-popup-content\"), m.appendChild(o), m.appendChild(n), new Ds({\n content: m,\n position: t.geometry.coordinates\n });\n }, yf.createInfoSection = function (t, e) {\n var i = document.createElement(\"div\");\n i.classList.add(\"incident-popup-info\");\n var r = document.createElement(\"div\");\n r.classList.add(\"icon\"), r.classList.add(e);\n var o = document.createElement(\"span\");\n return o.classList.add(\"message\"), o.classList.add(\"font-segoeui\"), o.setAttribute(\"aria-label\", \"Incident \" + e + \" \" + t), o.setAttribute(\"tabindex\", \"0\"), o.innerText = t, i.appendChild(r), i.appendChild(o), i;\n }, yf);\n\n function yf() {}\n\n var vf,\n _f = function _f(t) {\n var e = this;\n this.incidentLayerName = \"incidents\", this.popups = new hr(), this.addToMap = function () {\n e.map.addPins([], {\n name: e.incidentLayerName,\n cluster: !1\n }), e.map.addEventListener(\"mouseenter\", e.incidentLayerName, e.cursorToPointer), e.map.addEventListener(\"mouseleave\", e.incidentLayerName, e.cursorToDefault), e.map.addEventListener(\"click\", e.incidentLayerName, e.openIncidentPopup), e.map.events.add(\"moveend\", e.updateIncidents), e.map.events.add(\"styledata\", e.updateLanguage), e.updateIncidents();\n }, this.removeFromMap = function () {\n e.map.removeLayers([e.incidentLayerName]), e.map.removeEventListener(\"click\", e.incidentLayerName, e.openIncidentPopup), e.map.removeEventListener(\"mouseenter\", e.incidentLayerName, e.cursorToPointer), e.map.removeEventListener(\"mouseleave\", e.incidentLayerName, e.cursorToDefault), e.map.events.remove(\"moveend\", e.updateIncidents), e.map.events.remove(\"styledata\", e.updateLanguage), e.cleanUpPopups();\n }, this.updateIncidents = function () {\n var t = Math.ceil(e.map.getCamera().zoom),\n i = e.map.getCamera().bounds;\n e.incidentLanguage = e.map.getStyle().language;\n\n var r = e.map._getLocalizedStrings(),\n o = e.incidentService.request({\n bbox: i,\n zoom: t,\n params: {\n expandCluster: !0,\n originalPosition: !0,\n language: e.incidentLanguage\n }\n });\n\n Promise.all([o, r]).then(function (t) {\n var r = t[0],\n o = t[1];\n\n if (e.map.getTraffic().incidents) {\n var n = [];\n e.cleanUpPopups();\n\n for (var a = 0, s = r.tm.poi || []; a < s.length; a++) {\n for (var l = s[a], u = function u(t) {\n if (Sn.containsPosition(i, [t.op.x, t.op.y])) {\n var r = new ff(t, o);\n n.push(r);\n var a = gf.build(r, e.incidentLanguage);\n e.popups.set(r.properties.id, a), e.map.events.add(\"open\", a, function () {\n e.openPopupId = r.properties.id, e.popups.forEach(function (t, i) {\n e.openPopupId !== i && t.close();\n });\n }), e.map.events.add(\"close\", a, function () {\n e.openPopupId === r.properties.id && delete e.openPopupId;\n }), e.openPopupId === r.properties.id ? e.popups.get(r.properties.id).open(e.map) : e.popups.get(r.properties.id).attach(e.map);\n }\n }, c = 0, p = l.cpoi || [l]; c < p.length; c++) {\n u(p[c]);\n }\n }\n\n e.map.addPins(n, {\n overwrite: !0,\n name: e.incidentLayerName\n });\n }\n });\n }, this.cursorToPointer = function (t) {\n e.map.getCanvas().style.cursor = \"pointer\";\n }, this.cursorToDefault = function (t) {\n e.map.getCanvas().style.cursor = \"\";\n }, this.openIncidentPopup = function (t) {\n var i = t.features[0].properties.id;\n e.popups.has(i) && e.popups.get(i).open(e.map);\n }, this.cleanUpPopups = function () {\n e.popups.forEach(function (t) {\n t.remove();\n }), e.popups.clear();\n }, this.updateLanguage = function () {\n e.map.getStyle().language !== e.incidentLanguage && e.updateIncidents();\n }, this.map = t, this.incidentService = new uf(this.map);\n },\n xf = (b(wf, vf = I), wf);\n\n function wf() {\n var t = null !== vf && vf.apply(this, arguments) || this;\n return t.interactive = !0, t.scrollZoomInteraction = !0, t.boxZoomInteraction = !0, t.dragRotateInteraction = !0, t.dragPanInteraction = !0, t.keyboardInteraction = !0, t.dblClickZoomInteraction = !0, t.touchInteraction = !0, t.wheelZoomRate = 1 / 450, t;\n }\n\n var bf = (Mf.prototype.enable = function () {\n this.map.getMapContainer().addEventListener(\"keydown\", this._onKeyDown);\n }, Mf.prototype.disable = function () {\n this.map.getMapContainer().removeEventListener(\"keydown\", this._onKeyDown);\n }, Mf);\n\n function Mf(t) {\n var e = this;\n this._onKeyDown = function (t) {\n 27 === t.keyCode && e.map.getCanvas().focus();\n }, this.map = t;\n }\n\n var Cf = (Tf.prototype.enable = function () {\n this.map._getMap().on(\"touchstart\", this._onTouchStart), this.map._getMap().on(\"touchmove\", this._onTouchMove), this.map._getMap().on(\"touchend\", this._onTouchEnd), this.map._getMap().on(\"touchcancel\", this._onTouchCancel);\n }, Tf.prototype.disable = function () {\n this.map._getMap().off(\"touchstart\", this._onTouchStart), this.map._getMap().off(\"touchmove\", this._onTouchMove), this.map._getMap().off(\"touchend\", this._onTouchEnd), this.map._getMap().off(\"touchcancel\", this._onTouchCancel);\n }, Tf);\n\n function Tf(t) {\n var e = this;\n this.minDiffX = 70, this.maxDiffY = 100, this.minDiff = 30, this.delay = 160, this._onTouchStart = function (t) {\n if (2 === t.points.length) {\n var i = t.points[0].y - t.points[1].y,\n r = t.points[0].x - t.points[1].x;\n Math.abs(r) >= e.minDiffX && Math.abs(i) <= e.maxDiffY && (t.originalEvent.preventDefault(), e.map._getMap().touchZoomRotate.disable(), e.map._getMap().dragPan.disable(), e.dpPoint = t.point, e.dpPitch = e.map._getMap().getPitch(), e.startTiming = Date.now(), e.startDistance = Math.hypot(r, i), e.startEventData = t);\n }\n }, this._onTouchMove = function (t) {\n if (void 0 !== e.dpPoint && void 0 !== e.dpPitch) {\n t.preventDefault(), t.originalEvent.preventDefault();\n var i = t.points[0].y - t.points[1].y,\n r = t.points[0].x - t.points[1].x,\n o = Math.hypot(r, i);\n if (Math.abs(o - e.startDistance) >= e.minDiff) return e.dpPoint && (e.map._getMap().touchZoomRotate.enable(), e.map._getMap().dragPan.enable(), e.map._getMap().touchZoomRotate.onStart(Date.now() - e.startTiming >= e.delay ? t.originalEvent : e.startEventData.originalEvent)), void (e.dpPoint = void 0);\n\n if (Date.now() - e.startTiming >= e.delay) {\n var n = .5 * (e.dpPoint.y - t.point.y);\n\n e.map._getMap().setPitch(e.dpPitch + n);\n }\n }\n }, this._onTouchEnd = function () {\n e.dpPoint && (e.map._getMap().touchZoomRotate.enable(), e.map._getMap().dragPan.enable()), e.dpPoint = void 0;\n }, this._onTouchCancel = function () {\n e.dpPoint && (e.map._getMap().touchZoomRotate.enable(), e.map._getMap().dragPan.enable()), e.dpPoint = void 0;\n }, this.map = t;\n }\n\n var If = (Sf.prototype.enable = function () {\n this.map.getCanvasContainer().addEventListener(\"gesturestart\", this._onGestureStart), this.map.getCanvasContainer().addEventListener(\"gesturechange\", this._onGestureChange), this.map.getCanvasContainer().addEventListener(\"touchstart\", this._onTouchStart), this.map.getCanvasContainer().addEventListener(\"touchend\", this._onTouchEnd);\n }, Sf.prototype.disable = function () {\n this.map.getCanvasContainer().removeEventListener(\"gesturestart\", this._onGestureStart), this.map.getCanvasContainer().removeEventListener(\"gesturechange\", this._onGestureChange), this.map.getCanvasContainer().removeEventListener(\"touchstart\", this._onTouchStart), this.map.getCanvasContainer().removeEventListener(\"touchend\", this._onTouchEnd);\n }, Sf);\n\n function Sf(t) {\n var e = this;\n this._onGestureStart = function (t) {\n e.hasTouch || (t.preventDefault(), e.initZoom = e.map.getCamera().zoom);\n }, this._onGestureChange = function (t) {\n e.hasTouch || (t.preventDefault(), e.map.setCamera({\n zoom: e.initZoom + t.scale - 1\n }));\n }, this._onTouchStart = function (t) {\n e.hasTouch = !0;\n }, this._onTouchEnd = function (t) {\n 0 === t.touches.length && (e.hasTouch = !1);\n }, this.map = t;\n }\n\n var Ef = (Lf.prototype.addToMap = function () {\n this.added || (this.added = !0, this._setInteractions(this.options));\n }, Lf.prototype.removeFromMap = function () {\n this.added && (this.added = !1, this._setInteractions({\n interactive: !1\n }));\n }, Lf.prototype.setOptions = function (t) {\n this.options = new xf().merge(this.options, t), this.added && this._setInteractions(this.options);\n }, Lf.prototype.getOptions = function () {\n return Object.assign({}, this.options);\n }, Lf.prototype._setInteractions = function (t) {\n t.interactive ? (t.boxZoomInteraction ? this.map._getMap().boxZoom.enable() : this.map._getMap().boxZoom.disable(), t.dblClickZoomInteraction ? this.map._getMap().doubleClickZoom.enable() : this.map._getMap().doubleClickZoom.disable(), t.dragPanInteraction ? this.map._getMap().dragPan.enable() : this.map._getMap().dragPan.disable(), t.dragRotateInteraction ? this.map._getMap().dragRotate.enable() : this.map._getMap().dragRotate.disable(), t.keyboardInteraction ? (this.map._getMap().keyboard.enable(), this.focusShortcut.enable()) : (this.map._getMap().keyboard.disable(), this.focusShortcut.disable()), t.scrollZoomInteraction ? (this.map._getMap().scrollZoom.enable(), this.map._getMap().scrollZoom.setWheelZoomRate(t.wheelZoomRate)) : this.map._getMap().scrollZoom.disable(), t.touchInteraction ? (this.map._getMap().touchZoomRotate.enable(), this.mobilePitch.enable()) : (this.map._getMap().touchZoomRotate.disable(), this.mobilePitch.disable()), this.pinchZoom.enable()) : (this.map._getMap().boxZoom.disable(), this.map._getMap().doubleClickZoom.disable(), this.map._getMap().dragPan.disable(), this.map._getMap().dragRotate.disable(), this.map._getMap().keyboard.disable(), this.focusShortcut.disable(), this.map._getMap().scrollZoom.disable(), this.map._getMap().touchZoomRotate.disable(), this.mobilePitch.disable(), this.pinchZoom.disable());\n }, Lf);\n\n function Lf(t, e) {\n this.added = !1, this.map = t, this.mobilePitch = new Cf(t), this.focusShortcut = new bf(t), this.pinchZoom = new If(t), this.options = new xf().merge(e);\n }\n\n var Af = i(function (t) {\n var _e2 = (_e2 = function e(t) {\n if (this.REQUEST_TYPE = {\n LOGIN: \"LOGIN\",\n RENEW_TOKEN: \"RENEW_TOKEN\",\n UNKNOWN: \"UNKNOWN\"\n }, this.RESPONSE_TYPE = {\n ID_TOKEN_TOKEN: \"id_token token\",\n TOKEN: \"token\"\n }, this.CONSTANTS = {\n ACCESS_TOKEN: \"access_token\",\n EXPIRES_IN: \"expires_in\",\n ID_TOKEN: \"id_token\",\n ERROR_DESCRIPTION: \"error_description\",\n SESSION_STATE: \"session_state\",\n ERROR: \"error\",\n STORAGE: {\n TOKEN_KEYS: \"adal.token.keys\",\n ACCESS_TOKEN_KEY: \"adal.access.token.key\",\n EXPIRATION_KEY: \"adal.expiration.key\",\n STATE_LOGIN: \"adal.state.login\",\n STATE_RENEW: \"adal.state.renew\",\n NONCE_IDTOKEN: \"adal.nonce.idtoken\",\n SESSION_STATE: \"adal.session.state\",\n USERNAME: \"adal.username\",\n IDTOKEN: \"adal.idtoken\",\n ERROR: \"adal.error\",\n ERROR_DESCRIPTION: \"adal.error.description\",\n LOGIN_REQUEST: \"adal.login.request\",\n LOGIN_ERROR: \"adal.login.error\",\n RENEW_STATUS: \"adal.token.renew.status\",\n ANGULAR_LOGIN_REQUEST: \"adal.angular.login.request\"\n },\n RESOURCE_DELIMETER: \"|\",\n CACHE_DELIMETER: \"||\",\n LOADFRAME_TIMEOUT: 6e3,\n TOKEN_RENEW_STATUS_CANCELED: \"Canceled\",\n TOKEN_RENEW_STATUS_COMPLETED: \"Completed\",\n TOKEN_RENEW_STATUS_IN_PROGRESS: \"In Progress\",\n LOGGING_LEVEL: {\n ERROR: 0,\n WARN: 1,\n INFO: 2,\n VERBOSE: 3\n },\n LEVEL_STRING_MAP: {\n 0: \"ERROR:\",\n 1: \"WARNING:\",\n 2: \"INFO:\",\n 3: \"VERBOSE:\"\n },\n POPUP_WIDTH: 483,\n POPUP_HEIGHT: 600\n }, _e2.prototype._singletonInstance) return _e2.prototype._singletonInstance;\n if ((_e2.prototype._singletonInstance = this).instance = \"https://login.microsoftonline.com/\", this.config = {}, this.callback = null, this.popUp = !1, this.isAngular = !1, this._user = null, this._activeRenewals = {}, this._loginInProgress = !1, this._acquireTokenInProgress = !1, this._renewStates = [], this._callBackMappedToRenewStates = {}, this._callBacksMappedToRenewStates = {}, this._openedWindows = [], this._requestType = this.REQUEST_TYPE.LOGIN, window._adalInstance = this, t.displayCall && \"function\" != typeof t.displayCall) throw new Error(\"displayCall is not a function\");\n if (!t.clientId) throw new Error(\"clientId is required\");\n this.config = this._cloneConfig(t), void 0 === this.config.navigateToLoginRequestUrl && (this.config.navigateToLoginRequestUrl = !0), this.config.popUp && (this.popUp = !0), this.config.callback && \"function\" == typeof this.config.callback && (this.callback = this.config.callback), this.config.instance && (this.instance = this.config.instance), this.config.loginResource || (this.config.loginResource = this.config.clientId), this.config.redirectUri || (this.config.redirectUri = window.location.href.split(\"?\")[0].split(\"#\")[0]), this.config.postLogoutRedirectUri || (this.config.postLogoutRedirectUri = window.location.href.split(\"?\")[0].split(\"#\")[0]), this.config.anonymousEndpoints || (this.config.anonymousEndpoints = []), this.config.isAngular && (this.isAngular = this.config.isAngular), this.config.loadFrameTimeout && (this.CONSTANTS.LOADFRAME_TIMEOUT = this.config.loadFrameTimeout);\n }, \"undefined\" != typeof window && (window.Logging = {\n piiLoggingEnabled: !1,\n level: 0,\n log: function log(t) {}\n }), _e2.prototype.login = function () {\n if (this._loginInProgress) this.info(\"Login in progress\");else {\n this._loginInProgress = !0;\n\n var t = this._guid();\n\n this.config.state = t, this._idTokenNonce = this._guid();\n\n var e = this._getItem(this.CONSTANTS.STORAGE.ANGULAR_LOGIN_REQUEST);\n\n e && \"\" !== e ? this._saveItem(this.CONSTANTS.STORAGE.ANGULAR_LOGIN_REQUEST, \"\") : e = window.location.href, this.verbose(\"Expected state: \" + t + \" startPage:\" + e), this._saveItem(this.CONSTANTS.STORAGE.LOGIN_REQUEST, e), this._saveItem(this.CONSTANTS.STORAGE.LOGIN_ERROR, \"\"), this._saveItem(this.CONSTANTS.STORAGE.STATE_LOGIN, t, !0), this._saveItem(this.CONSTANTS.STORAGE.NONCE_IDTOKEN, this._idTokenNonce, !0), this._saveItem(this.CONSTANTS.STORAGE.ERROR, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, \"\");\n var i = this._getNavigateUrl(\"id_token\", null) + \"&nonce=\" + encodeURIComponent(this._idTokenNonce);\n this.config.displayCall ? this.config.displayCall(i) : this.popUp ? (this._saveItem(this.CONSTANTS.STORAGE.STATE_LOGIN, \"\"), this._renewStates.push(t), this.registerCallback(t, this.config.clientId, this.callback), this._loginPopup(i)) : this.promptUser(i);\n }\n }, _e2.prototype._openPopup = function (t, e, i, r) {\n try {\n var o = window.screenLeft ? window.screenLeft : window.screenX,\n n = window.screenTop ? window.screenTop : window.screenY,\n a = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,\n s = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight,\n l = a / 2 - i / 2 + o,\n u = s / 2 - r / 2 + n,\n c = window.open(t, e, \"width=\" + i + \", height=\" + r + \", top=\" + u + \", left=\" + l);\n return c.focus && c.focus(), c;\n } catch (t) {\n return this.warn(\"Error opening popup, \" + t.message), this._loginInProgress = !1, this._acquireTokenInProgress = !1, null;\n }\n }, _e2.prototype._handlePopupError = function (t, e, i, r, o) {\n this.warn(r), this._saveItem(this.CONSTANTS.STORAGE.ERROR, i), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, r), this._saveItem(this.CONSTANTS.STORAGE.LOGIN_ERROR, o), e && this._activeRenewals[e] && (this._activeRenewals[e] = null), this._loginInProgress = !1, this._acquireTokenInProgress = !1, t && t(r, null, i);\n }, _e2.prototype._loginPopup = function (t, e, i) {\n var r = this._openPopup(t, \"login\", this.CONSTANTS.POPUP_WIDTH, this.CONSTANTS.POPUP_HEIGHT),\n o = i || this.callback;\n\n if (null != r) {\n if (this._openedWindows.push(r), -1 != this.config.redirectUri.indexOf(\"#\")) var n = this.config.redirectUri.split(\"#\")[0];else n = this.config.redirectUri;\n var a = this,\n s = window.setInterval(function () {\n if (!r || r.closed || void 0 === r.closed) {\n var t = \"Popup Window closed\",\n i = \"Popup Window closed by UI action/ Popup Window handle destroyed due to cross zone navigation in IE/Edge\";\n return a.isAngular && a._broadcast(\"adal:popUpClosed\", i + a.CONSTANTS.RESOURCE_DELIMETER + t), a._handlePopupError(o, e, t, i, i), void window.clearInterval(s);\n }\n\n try {\n var l = r.location;\n if (-1 != encodeURI(l.href).indexOf(encodeURI(n))) return a.isAngular ? a._broadcast(\"adal:popUpHashChanged\", l.hash) : a.handleWindowCallback(l.hash), window.clearInterval(s), a._loginInProgress = !1, a._acquireTokenInProgress = !1, a.info(\"Closing popup window\"), a._openedWindows = [], void r.close();\n } catch (t) {}\n }, 1);\n } else {\n var l = \"Popup Window is null. This can happen if you are using IE\";\n\n this._handlePopupError(o, e, \"Error opening popup\", l, l);\n }\n }, _e2.prototype._broadcast = function (t, e) {\n function i(t, e) {\n e = e || {\n bubbles: !1,\n cancelable: !1,\n detail: void 0\n };\n var i = document.createEvent(\"CustomEvent\");\n return i.initCustomEvent(t, e.bubbles, e.cancelable, e.detail), i;\n }\n\n \"function\" != typeof window.CustomEvent && (i.prototype = window.Event.prototype, window.CustomEvent = i);\n var r = new CustomEvent(t, {\n detail: e\n });\n window.dispatchEvent(r);\n }, _e2.prototype.loginInProgress = function () {\n return this._loginInProgress;\n }, _e2.prototype._hasResource = function (t) {\n var e = this._getItem(this.CONSTANTS.STORAGE.TOKEN_KEYS);\n\n return e && !this._isEmpty(e) && -1 < e.indexOf(t + this.CONSTANTS.RESOURCE_DELIMETER);\n }, _e2.prototype.getCachedToken = function (t) {\n if (!this._hasResource(t)) return null;\n\n var e = this._getItem(this.CONSTANTS.STORAGE.ACCESS_TOKEN_KEY + t),\n i = this._getItem(this.CONSTANTS.STORAGE.EXPIRATION_KEY + t),\n r = this.config.expireOffsetSeconds || 300;\n\n return i && i > this._now() + r ? e : (this._saveItem(this.CONSTANTS.STORAGE.ACCESS_TOKEN_KEY + t, \"\"), this._saveItem(this.CONSTANTS.STORAGE.EXPIRATION_KEY + t, 0), null);\n }, _e2.prototype.getCachedUser = function () {\n if (this._user) return this._user;\n\n var t = this._getItem(this.CONSTANTS.STORAGE.IDTOKEN);\n\n return this._user = this._createUser(t), this._user;\n }, _e2.prototype.registerCallback = function (t, e, i) {\n this._activeRenewals[e] = t, this._callBacksMappedToRenewStates[t] || (this._callBacksMappedToRenewStates[t] = []);\n var r = this;\n this._callBacksMappedToRenewStates[t].push(i), this._callBackMappedToRenewStates[t] || (this._callBackMappedToRenewStates[t] = function (i, o, n, a) {\n r._activeRenewals[e] = null;\n\n for (var s = 0; s < r._callBacksMappedToRenewStates[t].length; ++s) {\n try {\n r._callBacksMappedToRenewStates[t][s](i, o, n, a);\n } catch (n) {\n r.warn(n);\n }\n }\n\n r._callBacksMappedToRenewStates[t] = null, r._callBackMappedToRenewStates[t] = null;\n });\n }, _e2.prototype._renewToken = function (t, e, i) {\n this.info(\"renewToken is called for resource:\" + t);\n\n var r = this._addAdalFrame(\"adalRenewFrame\" + t),\n o = this._guid() + \"|\" + t;\n\n this.config.state = o, this._renewStates.push(o), this.verbose(\"Renew token Expected state: \" + o), i = i || \"token\";\n\n var n = this._urlRemoveQueryStringParameter(this._getNavigateUrl(i, t), \"prompt\");\n\n i === this.RESPONSE_TYPE.ID_TOKEN_TOKEN && (this._idTokenNonce = this._guid(), this._saveItem(this.CONSTANTS.STORAGE.NONCE_IDTOKEN, this._idTokenNonce, !0), n += \"&nonce=\" + encodeURIComponent(this._idTokenNonce)), n += \"&prompt=none\", n = this._addHintParameters(n), this.registerCallback(o, t, e), this.verbosePii(\"Navigate to:\" + n), r.src = \"about:blank\", this._loadFrameTimeout(n, \"adalRenewFrame\" + t, t);\n }, _e2.prototype._renewIdToken = function (t, e) {\n this.info(\"renewIdToken is called\");\n\n var i = this._addAdalFrame(\"adalIdTokenFrame\"),\n r = this._guid() + \"|\" + this.config.clientId;\n\n this._idTokenNonce = this._guid(), this._saveItem(this.CONSTANTS.STORAGE.NONCE_IDTOKEN, this._idTokenNonce, !0), this.config.state = r, this._renewStates.push(r), this.verbose(\"Renew Idtoken Expected state: \" + r);\n var o = null == e ? null : this.config.clientId,\n n = (e = e || \"id_token\", this._urlRemoveQueryStringParameter(this._getNavigateUrl(e, o), \"prompt\"));\n n += \"&prompt=none\", n = this._addHintParameters(n), n += \"&nonce=\" + encodeURIComponent(this._idTokenNonce), this.registerCallback(r, this.config.clientId, t), this.verbosePii(\"Navigate to:\" + n), i.src = \"about:blank\", this._loadFrameTimeout(n, \"adalIdTokenFrame\", this.config.clientId);\n }, _e2.prototype._urlContainsQueryStringParameter = function (t, e) {\n return new RegExp(\"[\\\\?&]\" + t + \"=\").test(e);\n }, _e2.prototype._urlRemoveQueryStringParameter = function (t, e) {\n var i = new RegExp(\"(\\\\&\" + e + \"=)[^&]+\");\n return t = t.replace(i, \"\"), i = new RegExp(\"(\" + e + \"=)[^&]+&\"), t = t.replace(i, \"\"), i = new RegExp(\"(\" + e + \"=)[^&]+\"), t.replace(i, \"\");\n }, _e2.prototype._loadFrameTimeout = function (t, e, i) {\n this.verbose(\"Set loading state to pending for: \" + i), this._saveItem(this.CONSTANTS.STORAGE.RENEW_STATUS + i, this.CONSTANTS.TOKEN_RENEW_STATUS_IN_PROGRESS), this._loadFrame(t, e);\n var r = this;\n setTimeout(function () {\n if (r._getItem(r.CONSTANTS.STORAGE.RENEW_STATUS + i) === r.CONSTANTS.TOKEN_RENEW_STATUS_IN_PROGRESS) {\n r.verbose(\"Loading frame has timed out after: \" + r.CONSTANTS.LOADFRAME_TIMEOUT / 1e3 + \" seconds for resource \" + i);\n var t = r._activeRenewals[i];\n t && r._callBackMappedToRenewStates[t] && r._callBackMappedToRenewStates[t](\"Token renewal operation failed due to timeout\", null, \"Token Renewal Failed\"), r._saveItem(r.CONSTANTS.STORAGE.RENEW_STATUS + i, r.CONSTANTS.TOKEN_RENEW_STATUS_CANCELED);\n }\n }, r.CONSTANTS.LOADFRAME_TIMEOUT);\n }, _e2.prototype._loadFrame = function (t, e) {\n var i = this;\n i.info(\"LoadFrame: \" + e);\n var r = e;\n setTimeout(function () {\n var e = i._addAdalFrame(r);\n\n \"\" !== e.src && \"about:blank\" !== e.src || (e.src = t, i._loadFrame(t, r));\n }, 500);\n }, _e2.prototype.acquireToken = function (t, e) {\n if (this._isEmpty(t)) return this.warn(\"resource is required\"), void e(\"resource is required\", null, \"resource is required\");\n var i = this.getCachedToken(t);\n return i ? (this.info(\"Token is already in cache for resource:\" + t), void e(null, i, null)) : this._user || this.config.extraQueryParameter && -1 !== this.config.extraQueryParameter.indexOf(\"login_hint\") ? void (this._activeRenewals[t] ? this.registerCallback(this._activeRenewals[t], t, e) : (this._requestType = this.REQUEST_TYPE.RENEW_TOKEN, t === this.config.clientId ? this._user ? (this.verbose(\"renewing idtoken\"), this._renewIdToken(e)) : (this.verbose(\"renewing idtoken and access_token\"), this._renewIdToken(e, this.RESPONSE_TYPE.ID_TOKEN_TOKEN)) : this._user ? (this.verbose(\"renewing access_token\"), this._renewToken(t, e)) : (this.verbose(\"renewing idtoken and access_token\"), this._renewToken(t, e, this.RESPONSE_TYPE.ID_TOKEN_TOKEN)))) : (this.warn(\"User login is required\"), void e(\"User login is required\", null, \"login required\"));\n }, _e2.prototype.acquireTokenPopup = function (t, e, i, r) {\n if (this._isEmpty(t)) return this.warn(\"resource is required\"), void r(\"resource is required\", null, \"resource is required\");\n if (!this._user) return this.warn(\"User login is required\"), void r(\"User login is required\", null, \"login required\");\n if (this._acquireTokenInProgress) return this.warn(\"Acquire token interactive is already in progress\"), void r(\"Acquire token interactive is already in progress\", null, \"Acquire token interactive is already in progress\");\n var o = this._guid() + \"|\" + t;\n this.config.state = o, this._renewStates.push(o), this._requestType = this.REQUEST_TYPE.RENEW_TOKEN, this.verbose(\"Renew token Expected state: \" + o);\n\n var n = this._urlRemoveQueryStringParameter(this._getNavigateUrl(\"token\", t), \"prompt\");\n\n if (n += \"&prompt=select_account\", e && (n += e), i && -1 === n.indexOf(\"&claims\")) n += \"&claims=\" + encodeURIComponent(i);else if (i && -1 !== n.indexOf(\"&claims\")) throw new Error(\"Claims cannot be passed as an extraQueryParameter\");\n n = this._addHintParameters(n), this._acquireTokenInProgress = !0, this.info(\"acquireToken interactive is called for the resource \" + t), this.registerCallback(o, t, r), this._loginPopup(n, t, r);\n }, _e2.prototype.acquireTokenRedirect = function (t, e, i) {\n if (this._isEmpty(t)) return this.warn(\"resource is required\"), void r(\"resource is required\", null, \"resource is required\");\n var r = this.callback;\n if (!this._user) return this.warn(\"User login is required\"), void r(\"User login is required\", null, \"login required\");\n if (this._acquireTokenInProgress) return this.warn(\"Acquire token interactive is already in progress\"), void r(\"Acquire token interactive is already in progress\", null, \"Acquire token interactive is already in progress\");\n var o = this._guid() + \"|\" + t;\n this.config.state = o, this.verbose(\"Renew token Expected state: \" + o);\n\n var n = this._urlRemoveQueryStringParameter(this._getNavigateUrl(\"token\", t), \"prompt\");\n\n if (n += \"&prompt=select_account\", e && (n += e), i && -1 === n.indexOf(\"&claims\")) n += \"&claims=\" + encodeURIComponent(i);else if (i && -1 !== n.indexOf(\"&claims\")) throw new Error(\"Claims cannot be passed as an extraQueryParameter\");\n n = this._addHintParameters(n), this._acquireTokenInProgress = !0, this.info(\"acquireToken interactive is called for the resource \" + t), this._saveItem(this.CONSTANTS.STORAGE.LOGIN_REQUEST, window.location.href), this._saveItem(this.CONSTANTS.STORAGE.STATE_RENEW, o, !0), this.promptUser(n);\n }, _e2.prototype.promptUser = function (t) {\n t ? (this.infoPii(\"Navigate to:\" + t), window.location.replace(t)) : this.info(\"Navigate url is empty\");\n }, _e2.prototype.clearCache = function () {\n this._saveItem(this.CONSTANTS.STORAGE.LOGIN_REQUEST, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ANGULAR_LOGIN_REQUEST, \"\"), this._saveItem(this.CONSTANTS.STORAGE.SESSION_STATE, \"\"), this._saveItem(this.CONSTANTS.STORAGE.STATE_LOGIN, \"\"), this._saveItem(this.CONSTANTS.STORAGE.STATE_RENEW, \"\"), this._renewStates = [], this._saveItem(this.CONSTANTS.STORAGE.NONCE_IDTOKEN, \"\"), this._saveItem(this.CONSTANTS.STORAGE.IDTOKEN, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, \"\"), this._saveItem(this.CONSTANTS.STORAGE.LOGIN_ERROR, \"\"), this._saveItem(this.CONSTANTS.STORAGE.LOGIN_ERROR, \"\");\n\n var t = this._getItem(this.CONSTANTS.STORAGE.TOKEN_KEYS);\n\n if (!this._isEmpty(t)) {\n t = t.split(this.CONSTANTS.RESOURCE_DELIMETER);\n\n for (var e = 0; e < t.length && \"\" !== t[e]; e++) {\n this._saveItem(this.CONSTANTS.STORAGE.ACCESS_TOKEN_KEY + t[e], \"\"), this._saveItem(this.CONSTANTS.STORAGE.EXPIRATION_KEY + t[e], 0);\n }\n }\n\n this._saveItem(this.CONSTANTS.STORAGE.TOKEN_KEYS, \"\");\n }, _e2.prototype.clearCacheForResource = function (t) {\n this._saveItem(this.CONSTANTS.STORAGE.STATE_RENEW, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, \"\"), this._hasResource(t) && (this._saveItem(this.CONSTANTS.STORAGE.ACCESS_TOKEN_KEY + t, \"\"), this._saveItem(this.CONSTANTS.STORAGE.EXPIRATION_KEY + t, 0));\n }, _e2.prototype.logOut = function () {\n var t;\n if (this.clearCache(), this._user = null, this.config.logOutUri) t = this.config.logOutUri;else {\n var e = \"common\",\n i = \"\";\n this.config.tenant && (e = this.config.tenant), this.config.postLogoutRedirectUri && (i = \"post_logout_redirect_uri=\" + encodeURIComponent(this.config.postLogoutRedirectUri)), t = this.instance + e + \"/oauth2/logout?\" + i;\n }\n this.infoPii(\"Logout navigate to: \" + t), this.promptUser(t);\n }, _e2.prototype._isEmpty = function (t) {\n return void 0 === t || !t || 0 === t.length;\n }, _e2.prototype.getUser = function (t) {\n if (\"function\" != typeof t) throw new Error(\"callback is not a function\");\n if (this._user) t(null, this._user);else {\n var e = this._getItem(this.CONSTANTS.STORAGE.IDTOKEN);\n\n this._isEmpty(e) ? (this.warn(\"User information is not available\"), t(\"User information is not available\", null)) : (this.info(\"User exists in cache: \"), this._user = this._createUser(e), t(null, this._user));\n }\n }, _e2.prototype._addHintParameters = function (t) {\n if (this._user && this._user.profile) if (this._user.profile.sid && -1 !== t.indexOf(\"&prompt=none\")) this._urlContainsQueryStringParameter(\"sid\", t) || (t += \"&sid=\" + encodeURIComponent(this._user.profile.sid));else if (this._user.profile.upn && (this._urlContainsQueryStringParameter(\"login_hint\", t) || (t += \"&login_hint=\" + encodeURIComponent(this._user.profile.upn)), !this._urlContainsQueryStringParameter(\"domain_hint\", t) && -1 < this._user.profile.upn.indexOf(\"@\"))) {\n var e = this._user.profile.upn.split(\"@\");\n\n t += \"&domain_hint=\" + encodeURIComponent(e[e.length - 1]);\n }\n return t;\n }, _e2.prototype._createUser = function (t) {\n var e = null,\n i = this._extractIdToken(t);\n\n return i && i.hasOwnProperty(\"aud\") && (i.aud.toLowerCase() === this.config.clientId.toLowerCase() ? (e = {\n userName: \"\",\n profile: i\n }, i.hasOwnProperty(\"upn\") ? e.userName = i.upn : i.hasOwnProperty(\"email\") && (e.userName = i.email)) : this.warn(\"IdToken has invalid aud field\")), e;\n }, _e2.prototype._getHash = function (t) {\n return -1 < t.indexOf(\"#/\") ? t = t.substring(t.indexOf(\"#/\") + 2) : -1 < t.indexOf(\"#\") && (t = t.substring(1)), t;\n }, _e2.prototype.isCallback = function (t) {\n t = this._getHash(t);\n\n var e = this._deserialize(t);\n\n return e.hasOwnProperty(this.CONSTANTS.ERROR_DESCRIPTION) || e.hasOwnProperty(this.CONSTANTS.ACCESS_TOKEN) || e.hasOwnProperty(this.CONSTANTS.ID_TOKEN);\n }, _e2.prototype.getLoginError = function () {\n return this._getItem(this.CONSTANTS.STORAGE.LOGIN_ERROR);\n }, _e2.prototype.getRequestInfo = function (t) {\n t = this._getHash(t);\n\n var e = this._deserialize(t),\n i = {\n valid: !1,\n parameters: {},\n stateMatch: !1,\n stateResponse: \"\",\n requestType: this.REQUEST_TYPE.UNKNOWN\n };\n\n if (e && ((i.parameters = e).hasOwnProperty(this.CONSTANTS.ERROR_DESCRIPTION) || e.hasOwnProperty(this.CONSTANTS.ACCESS_TOKEN) || e.hasOwnProperty(this.CONSTANTS.ID_TOKEN))) {\n i.valid = !0;\n var r = \"\";\n if (!e.hasOwnProperty(\"state\")) return this.warn(\"No state returned\"), i;\n if (this.verbose(\"State: \" + e.state), r = e.state, i.stateResponse = r, this._matchState(i)) return i;\n\n if (!i.stateMatch && window.parent) {\n i.requestType = this._requestType;\n\n for (var o = this._renewStates, n = 0; n < o.length; n++) {\n if (o[n] === i.stateResponse) {\n i.stateMatch = !0;\n break;\n }\n }\n }\n }\n\n return i;\n }, _e2.prototype._matchNonce = function (t) {\n var e = this._getItem(this.CONSTANTS.STORAGE.NONCE_IDTOKEN);\n\n if (e) {\n e = e.split(this.CONSTANTS.CACHE_DELIMETER);\n\n for (var i = 0; i < e.length; i++) {\n if (e[i] === t.profile.nonce) return !0;\n }\n }\n\n return !1;\n }, _e2.prototype._matchState = function (t) {\n var e = this._getItem(this.CONSTANTS.STORAGE.STATE_LOGIN);\n\n if (e) {\n e = e.split(this.CONSTANTS.CACHE_DELIMETER);\n\n for (var i = 0; i < e.length; i++) {\n if (e[i] === t.stateResponse) return t.requestType = this.REQUEST_TYPE.LOGIN, t.stateMatch = !0;\n }\n }\n\n var r = this._getItem(this.CONSTANTS.STORAGE.STATE_RENEW);\n\n if (r) for (r = r.split(this.CONSTANTS.CACHE_DELIMETER), i = 0; i < r.length; i++) {\n if (r[i] === t.stateResponse) return t.requestType = this.REQUEST_TYPE.RENEW_TOKEN, t.stateMatch = !0;\n }\n return !1;\n }, _e2.prototype._getResourceFromState = function (t) {\n if (t) {\n var e = t.indexOf(\"|\");\n if (-1 < e && e + 1 < t.length) return t.substring(e + 1);\n }\n\n return \"\";\n }, _e2.prototype.saveTokenFromHash = function (t) {\n this.info(\"State status:\" + t.stateMatch + \"; Request type:\" + t.requestType), this._saveItem(this.CONSTANTS.STORAGE.ERROR, \"\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, \"\");\n\n var e,\n i = this._getResourceFromState(t.stateResponse);\n\n t.parameters.hasOwnProperty(this.CONSTANTS.ERROR_DESCRIPTION) ? (this.infoPii(\"Error :\" + t.parameters.error + \"; Error description:\" + t.parameters[this.CONSTANTS.ERROR_DESCRIPTION]), this._saveItem(this.CONSTANTS.STORAGE.ERROR, t.parameters.error), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, t.parameters[this.CONSTANTS.ERROR_DESCRIPTION]), t.requestType === this.REQUEST_TYPE.LOGIN && (this._loginInProgress = !1, this._saveItem(this.CONSTANTS.STORAGE.LOGIN_ERROR, t.parameters.error_description))) : t.stateMatch ? (this.info(\"State is right\"), t.parameters.hasOwnProperty(this.CONSTANTS.SESSION_STATE) && this._saveItem(this.CONSTANTS.STORAGE.SESSION_STATE, t.parameters[this.CONSTANTS.SESSION_STATE]), t.parameters.hasOwnProperty(this.CONSTANTS.ACCESS_TOKEN) && (this.info(\"Fragment has access token\"), this._hasResource(i) || (e = this._getItem(this.CONSTANTS.STORAGE.TOKEN_KEYS) || \"\", this._saveItem(this.CONSTANTS.STORAGE.TOKEN_KEYS, e + i + this.CONSTANTS.RESOURCE_DELIMETER)), this._saveItem(this.CONSTANTS.STORAGE.ACCESS_TOKEN_KEY + i, t.parameters[this.CONSTANTS.ACCESS_TOKEN]), this._saveItem(this.CONSTANTS.STORAGE.EXPIRATION_KEY + i, this._expiresIn(t.parameters[this.CONSTANTS.EXPIRES_IN]))), t.parameters.hasOwnProperty(this.CONSTANTS.ID_TOKEN) && (this.info(\"Fragment has id token\"), this._loginInProgress = !1, this._user = this._createUser(t.parameters[this.CONSTANTS.ID_TOKEN]), this._user && this._user.profile ? this._matchNonce(this._user) ? (this._saveItem(this.CONSTANTS.STORAGE.IDTOKEN, t.parameters[this.CONSTANTS.ID_TOKEN]), i = this.config.loginResource ? this.config.loginResource : this.config.clientId, this._hasResource(i) || (e = this._getItem(this.CONSTANTS.STORAGE.TOKEN_KEYS) || \"\", this._saveItem(this.CONSTANTS.STORAGE.TOKEN_KEYS, e + i + this.CONSTANTS.RESOURCE_DELIMETER)), this._saveItem(this.CONSTANTS.STORAGE.ACCESS_TOKEN_KEY + i, t.parameters[this.CONSTANTS.ID_TOKEN]), this._saveItem(this.CONSTANTS.STORAGE.EXPIRATION_KEY + i, this._user.profile.exp)) : (this._saveItem(this.CONSTANTS.STORAGE.LOGIN_ERROR, \"Nonce received: \" + this._user.profile.nonce + \" is not same as requested: \" + this._getItem(this.CONSTANTS.STORAGE.NONCE_IDTOKEN)), this._user = null) : (t.parameters.error = \"invalid id_token\", t.parameters.error_description = \"Invalid id_token. id_token: \" + t.parameters[this.CONSTANTS.ID_TOKEN], this._saveItem(this.CONSTANTS.STORAGE.ERROR, \"invalid id_token\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, \"Invalid id_token. id_token: \" + t.parameters[this.CONSTANTS.ID_TOKEN])))) : (t.parameters.error = \"Invalid_state\", t.parameters.error_description = \"Invalid_state. state: \" + t.stateResponse, this._saveItem(this.CONSTANTS.STORAGE.ERROR, \"Invalid_state\"), this._saveItem(this.CONSTANTS.STORAGE.ERROR_DESCRIPTION, \"Invalid_state. state: \" + t.stateResponse)), this._saveItem(this.CONSTANTS.STORAGE.RENEW_STATUS + i, this.CONSTANTS.TOKEN_RENEW_STATUS_COMPLETED);\n }, _e2.prototype.getResourceForEndpoint = function (t) {\n if (this.config && this.config.anonymousEndpoints) for (var e = 0; e < this.config.anonymousEndpoints.length; e++) {\n if (-1 < t.indexOf(this.config.anonymousEndpoints[e])) return null;\n }\n if (this.config && this.config.endpoints) for (var i in this.config.endpoints) {\n if (-1 < t.indexOf(i)) return this.config.endpoints[i];\n }\n return (-1 < t.indexOf(\"http://\") || -1 < t.indexOf(\"https://\")) && this._getHostFromUri(t) !== this._getHostFromUri(this.config.redirectUri) ? null : this.config.loginResource;\n }, _e2.prototype._getHostFromUri = function (t) {\n var e = String(t).replace(/^(https?:)\\/\\//, \"\");\n return e.split(\"/\")[0];\n }, _e2.prototype.handleWindowCallback = function (t) {\n if (null == t && (t = window.location.hash), this.isCallback(t)) {\n var e = null,\n i = !1;\n 0 < this._openedWindows.length && this._openedWindows[this._openedWindows.length - 1].opener && this._openedWindows[this._openedWindows.length - 1].opener._adalInstance ? (e = this._openedWindows[this._openedWindows.length - 1].opener._adalInstance, i = !0) : window.parent && window.parent._adalInstance && (e = window.parent._adalInstance);\n var r,\n o,\n n = e.getRequestInfo(t),\n a = null;\n o = i || window.parent !== window ? e._callBackMappedToRenewStates[n.stateResponse] : e.callback, e.info(\"Returned from redirect url\"), e.saveTokenFromHash(n), n.requestType === this.REQUEST_TYPE.RENEW_TOKEN && window.parent ? (window.parent !== window ? e.verbose(\"Window is in iframe, acquiring token silently\") : e.verbose(\"acquiring token interactive in progress\"), r = n.parameters[e.CONSTANTS.ACCESS_TOKEN] || n.parameters[e.CONSTANTS.ID_TOKEN], a = e.CONSTANTS.ACCESS_TOKEN) : n.requestType === this.REQUEST_TYPE.LOGIN && (r = n.parameters[e.CONSTANTS.ID_TOKEN], a = e.CONSTANTS.ID_TOKEN);\n var s = n.parameters[e.CONSTANTS.ERROR_DESCRIPTION],\n l = n.parameters[e.CONSTANTS.ERROR];\n\n try {\n o && o(s, r, l, a);\n } catch (t) {\n e.error(\"Error occurred in user defined callback function: \" + t);\n }\n\n window.parent !== window || i || (e.config.navigateToLoginRequestUrl ? window.location.href = e._getItem(e.CONSTANTS.STORAGE.LOGIN_REQUEST) : window.location.hash = \"\");\n }\n }, _e2.prototype._getNavigateUrl = function (t, e) {\n var i = \"common\";\n this.config.tenant && (i = this.config.tenant);\n\n var r = this.instance + i + \"/oauth2/authorize\" + this._serialize(t, this.config, e) + this._addLibMetadata();\n\n return this.info(\"Navigate url:\" + r), r;\n }, _e2.prototype._extractIdToken = function (t) {\n var e = this._decodeJwt(t);\n\n if (!e) return null;\n\n try {\n var i = e.JWSPayload,\n r = this._base64DecodeStringUrlSafe(i);\n\n return r ? JSON.parse(r) : (this.info(\"The returned id_token could not be base64 url safe decoded.\"), null);\n } catch (t) {\n this.error(\"The returned id_token could not be decoded\", t);\n }\n\n return null;\n }, _e2.prototype._base64DecodeStringUrlSafe = function (t) {\n return t = t.replace(/-/g, \"+\").replace(/_/g, \"/\"), window.atob ? decodeURIComponent(escape(window.atob(t))) : decodeURIComponent(escape(this._decode(t)));\n }, _e2.prototype._decode = function (t) {\n var e = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\",\n i = (t = String(t).replace(/=+$/, \"\")).length;\n if (i % 4 == 1) throw new Error(\"The token to be decoded is not correctly encoded.\");\n\n for (var r, o, n, a, s, l, u, c, p = \"\", h = 0; h < i; h += 4) {\n if (r = e.indexOf(t.charAt(h)), o = e.indexOf(t.charAt(h + 1)), n = e.indexOf(t.charAt(h + 2)), a = e.indexOf(t.charAt(h + 3)), h + 2 === i - 1) {\n l = (s = r << 18 | o << 12 | n << 6) >> 16 & 255, u = s >> 8 & 255, p += String.fromCharCode(l, u);\n break;\n }\n\n if (h + 1 === i - 1) {\n l = (s = r << 18 | o << 12) >> 16 & 255, p += String.fromCharCode(l);\n break;\n }\n\n l = (s = r << 18 | o << 12 | n << 6 | a) >> 16 & 255, u = s >> 8 & 255, c = 255 & s, p += String.fromCharCode(l, u, c);\n }\n\n return p;\n }, _e2.prototype._decodeJwt = function (t) {\n if (this._isEmpty(t)) return null;\n var e = /^([^\\.\\s]*)\\.([^\\.\\s]+)\\.([^\\.\\s]*)$/.exec(t);\n return !e || e.length < 4 ? (this.warn(\"The returned id_token is not parseable.\"), null) : {\n header: e[1],\n JWSPayload: e[2],\n JWSSig: e[3]\n };\n }, _e2.prototype._convertUrlSafeToRegularBase64EncodedString = function (t) {\n return t.replace(\"-\", \"+\").replace(\"_\", \"/\");\n }, _e2.prototype._serialize = function (t, e, i) {\n var r = [];\n\n if (null !== e) {\n r.push(\"?response_type=\" + t), r.push(\"client_id=\" + encodeURIComponent(e.clientId)), i && r.push(\"resource=\" + encodeURIComponent(i)), r.push(\"redirect_uri=\" + encodeURIComponent(e.redirectUri)), r.push(\"state=\" + encodeURIComponent(e.state)), e.hasOwnProperty(\"slice\") && r.push(\"slice=\" + encodeURIComponent(e.slice)), e.hasOwnProperty(\"extraQueryParameter\") && r.push(e.extraQueryParameter);\n var o = e.correlationId ? e.correlationId : this._guid();\n r.push(\"client-request-id=\" + encodeURIComponent(o));\n }\n\n return r.join(\"&\");\n }, _e2.prototype._deserialize = function (t) {\n function e(t) {\n return decodeURIComponent(t.replace(r, \" \"));\n }\n\n var i,\n r = /\\+/g,\n o = /([^&=]+)=([^&]*)/g,\n n = {};\n\n for (i = o.exec(t); i;) {\n n[e(i[1])] = e(i[2]), i = o.exec(t);\n }\n\n return n;\n }, _e2.prototype._decimalToHex = function (t) {\n for (var e = t.toString(16); e.length < 2;) {\n e = \"0\" + e;\n }\n\n return e;\n }, _e2.prototype._guid = function () {\n var t = window.crypto || window.msCrypto;\n\n if (t && t.getRandomValues) {\n var e = new Uint8Array(16);\n return t.getRandomValues(e), e[6] |= 64, e[6] &= 79, e[8] |= 128, e[8] &= 191, this._decimalToHex(e[0]) + this._decimalToHex(e[1]) + this._decimalToHex(e[2]) + this._decimalToHex(e[3]) + \"-\" + this._decimalToHex(e[4]) + this._decimalToHex(e[5]) + \"-\" + this._decimalToHex(e[6]) + this._decimalToHex(e[7]) + \"-\" + this._decimalToHex(e[8]) + this._decimalToHex(e[9]) + \"-\" + this._decimalToHex(e[10]) + this._decimalToHex(e[11]) + this._decimalToHex(e[12]) + this._decimalToHex(e[13]) + this._decimalToHex(e[14]) + this._decimalToHex(e[15]);\n }\n\n for (var i = \"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx\", r = \"0123456789abcdef\", o = 0, n = \"\", a = 0; a < 36; a++) {\n \"-\" !== i[a] && \"4\" !== i[a] && (o = 16 * Math.random() | 0), \"x\" === i[a] ? n += r[o] : \"y\" === i[a] ? (o &= 3, n += r[o |= 8]) : n += i[a];\n }\n\n return n;\n }, _e2.prototype._expiresIn = function (t) {\n return t = t || 3599, this._now() + parseInt(t, 10);\n }, _e2.prototype._now = function () {\n return Math.round(new Date().getTime() / 1e3);\n }, _e2.prototype._addAdalFrame = function (t) {\n if (void 0 !== t) {\n this.info(\"Add adal frame to document:\" + t);\n var e = document.getElementById(t);\n\n if (!e) {\n if (document.createElement && document.documentElement && (window.opera || -1 === window.navigator.userAgent.indexOf(\"MSIE 5.0\"))) {\n var i = document.createElement(\"iframe\");\n i.setAttribute(\"id\", t), i.setAttribute(\"aria-hidden\", \"true\"), i.style.visibility = \"hidden\", i.style.position = \"absolute\", i.style.width = i.style.height = i.borderWidth = \"0px\", e = document.getElementsByTagName(\"body\")[0].appendChild(i);\n } else document.body && document.body.insertAdjacentHTML && document.body.insertAdjacentHTML(\"beforeEnd\", '');\n\n window.frames && window.frames[t] && (e = window.frames[t]);\n }\n\n return e;\n }\n }, _e2.prototype._saveItem = function (t, e, i) {\n if (this.config && this.config.cacheLocation && \"localStorage\" === this.config.cacheLocation) {\n if (!this._supportsLocalStorage()) return this.info(\"Local storage is not supported\"), !1;\n\n if (i) {\n var r = this._getItem(t) || \"\";\n localStorage.setItem(t, r + e + this.CONSTANTS.CACHE_DELIMETER);\n } else localStorage.setItem(t, e);\n\n return !0;\n }\n\n return this._supportsSessionStorage() ? (sessionStorage.setItem(t, e), !0) : (this.info(\"Session storage is not supported\"), !1);\n }, _e2.prototype._getItem = function (t) {\n return this.config && this.config.cacheLocation && \"localStorage\" === this.config.cacheLocation ? this._supportsLocalStorage() ? localStorage.getItem(t) : (this.info(\"Local storage is not supported\"), null) : this._supportsSessionStorage() ? sessionStorage.getItem(t) : (this.info(\"Session storage is not supported\"), null);\n }, _e2.prototype._supportsLocalStorage = function () {\n try {\n return !!window.localStorage && (window.localStorage.setItem(\"storageTest\", \"A\"), \"A\" == window.localStorage.getItem(\"storageTest\") && (window.localStorage.removeItem(\"storageTest\"), !window.localStorage.getItem(\"storageTest\")));\n } catch (t) {\n return !1;\n }\n }, _e2.prototype._supportsSessionStorage = function () {\n try {\n return !!window.sessionStorage && (window.sessionStorage.setItem(\"storageTest\", \"A\"), \"A\" == window.sessionStorage.getItem(\"storageTest\") && (window.sessionStorage.removeItem(\"storageTest\"), !window.sessionStorage.getItem(\"storageTest\")));\n } catch (t) {\n return !1;\n }\n }, _e2.prototype._cloneConfig = function (t) {\n if (null === t || \"object\" != typeof t) return t;\n var e = {};\n\n for (var i in t) {\n t.hasOwnProperty(i) && (e[i] = t[i]);\n }\n\n return e;\n }, _e2.prototype._addLibMetadata = function () {\n return \"&x-client-SKU=Js&x-client-Ver=\" + this._libVersion();\n }, _e2.prototype.log = function (t, e, i, r) {\n if (t <= Logging.level) {\n if (!Logging.piiLoggingEnabled && r) return;\n var o = new Date().toUTCString(),\n n = \"\";\n n = this.config.correlationId ? o + \":\" + this.config.correlationId + \"-\" + this._libVersion() + \"-\" + this.CONSTANTS.LEVEL_STRING_MAP[t] + \" \" + e : o + \":\" + this._libVersion() + \"-\" + this.CONSTANTS.LEVEL_STRING_MAP[t] + \" \" + e, i && (n += \"\\nstack:\\n\" + i.stack), Logging.log(n);\n }\n }, _e2.prototype.error = function (t, e) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.ERROR, t, e);\n }, _e2.prototype.warn = function (t) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.WARN, t, null);\n }, _e2.prototype.info = function (t) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.INFO, t, null);\n }, _e2.prototype.verbose = function (t) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.VERBOSE, t, null);\n }, _e2.prototype.errorPii = function (t, e) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.ERROR, t, e, !0);\n }, _e2.prototype.warnPii = function (t) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.WARN, t, null, !0);\n }, _e2.prototype.infoPii = function (t) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.INFO, t, null, !0);\n }, _e2.prototype.verbosePii = function (t) {\n this.log(this.CONSTANTS.LOGGING_LEVEL.VERBOSE, t, null, !0);\n }, _e2.prototype._libVersion = function () {\n return \"1.0.17\";\n }, t.exports && (t.exports = _e2, t.exports.inject = function (t) {\n return new _e2(t);\n }), _e2);\n });\n\n function Df(t) {\n this.message = t;\n }\n\n Af.inject, (Df.prototype = new Error()).name = \"InvalidCharacterError\";\n\n var kf = \"undefined\" != typeof window && window.atob && window.atob.bind(window) || function (t) {\n var e = String(t).replace(/=+$/, \"\");\n if (e.length % 4 == 1) throw new Df(\"'atob' failed: The string to be decoded is not correctly encoded.\");\n\n for (var i, r, o = 0, n = 0, a = \"\"; r = e.charAt(n++); ~r && (i = o % 4 ? 64 * i + r : r, o++ % 4) && (a += String.fromCharCode(255 & i >> (-2 * o & 6)))) {\n r = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\".indexOf(r);\n }\n\n return a;\n };\n\n function zf(t) {\n var e = t.replace(/-/g, \"+\").replace(/_/g, \"/\");\n\n switch (e.length % 4) {\n case 0:\n break;\n\n case 2:\n e += \"==\";\n break;\n\n case 3:\n e += \"=\";\n break;\n\n default:\n throw \"Illegal base64url string!\";\n }\n\n try {\n return decodeURIComponent(kf(e).replace(/(.)/g, function (t, e) {\n var i = e.charCodeAt(0).toString(16).toUpperCase();\n return i.length < 2 && (i = \"0\" + i), \"%\" + i;\n }));\n } catch (t) {\n return kf(e);\n }\n }\n\n function Pf(t) {\n this.message = t;\n }\n\n function Nf(t, e) {\n if (\"string\" != typeof t) throw new Pf(\"Invalid token specified\");\n var i = !0 === (e = e || {}).header ? 0 : 1;\n\n try {\n return JSON.parse(zf(t.split(\".\")[i]));\n } catch (t) {\n throw new Pf(\"Invalid token specified: \" + t.message);\n }\n }\n\n (Pf.prototype = new Error()).name = \"InvalidTokenError\", Nf.InvalidTokenError = Pf;\n var Of = (Rf.prototype.initialize = function () {\n var e = this;\n return this.initPromise || (this.initPromise = new Promise(function (i, r) {\n if (e.options.authType === t.AuthenticationType.subscriptionKey) i();else if (e.options.authType === t.AuthenticationType.aad) {\n if (e.options.authContext = e.options.authContext || Rf.getDefaultAuthContext(e.options), e.options.authContext.handleWindowCallback(), e.options.authContext.getLoginError()) return void r(new Error(\"Error logging in the AAD users: \" + e.options.authContext.getLoginError()));\n if (e.options.authContext.isCallback(window.location.hash)) return void e.map.dispose();\n setTimeout(function () {\n return e._loginAndAcquire(i, r);\n });\n } else e.options.authType === t.AuthenticationType.anonymous ? i(e._triggerTokenFetch()) : r(new Error(\"An invalid authentication type was specified.\"));\n })), this.initPromise;\n }, Rf.getDefaultAuthContext = function (t) {\n if (!t.aadAppId) throw new Error(\"No AAD app ID was specified.\");\n if (!t.aadTenant) throw new Error(\"No AAD tenant was specified.\");\n return this.defaultAuthContext || (this.defaultAuthContext = new Af({\n instance: t.aadInstance || p,\n tenant: t.aadTenant,\n clientId: t.aadAppId,\n cacheLocation: this.constants.preferredCacheLocation\n })), this.defaultAuthContext;\n }, Rf.prototype._loginAndAcquire = function (t, e) {\n function i() {\n r.options.authContext.acquireToken(_, function (i) {\n if (i) e(new Error(i));else {\n var o = {\n map: r.map,\n type: Rf.constants.events.tokenAcquired\n };\n r.map.events.invoke(Rf.constants.events.tokenAcquired, o), t();\n }\n });\n }\n\n var r = this,\n o = this.options.authContext.getCachedToken(this.options.aadAppId),\n n = this.options.authContext.getCachedUser();\n if (o && n) i();else {\n this.options.authContext.loginInProgress() || this.options.authContext.login();\n var a = setInterval(function () {\n r.options.authContext.loginInProgress() || (clearInterval(a), r.options.authContext.getCachedToken(r.options.aadAppId) ? i() : e(new Error(r.options.authContext.getLoginError() || \"The AAD authentication context is not logged-in for the specified app ID: \" + r.options.aadAppId)));\n }, 25);\n }\n }, Rf.prototype.getAuthType = function () {\n return this.options.authType;\n }, Rf.prototype.getClientId = function () {\n return this.options.clientId;\n }, Rf.prototype.getToken = function () {\n var e = this;\n\n if (this.options.authType === t.AuthenticationType.aad) {\n var i = this.options.authContext.getCachedToken(_);\n return i || (this.options.authContext.getCachedUser() || this.options.authContext.login(), this.options.authContext.acquireToken(_, function (t, r) {\n if (!t) {\n i = r;\n var o = {\n map: e.map,\n type: Rf.constants.events.tokenAcquired\n };\n e.map.events.invoke(Rf.constants.events.tokenAcquired, o);\n }\n })), i;\n }\n\n if (this.options.authType === t.AuthenticationType.anonymous) {\n var r = this._getItem(Rf.constants.storage.accessTokenKey);\n\n if (r) {\n var o = this._getTokenExpiry(r);\n\n if (o < 300 && 0 < o) this._triggerTokenFetch();else if (o <= 0) throw this._saveItem(Rf.constants.storage.accessTokenKey, \"\"), new Error(Rf.constants.errors.tokenExpired);\n } else this._triggerTokenFetch();\n\n return r;\n }\n\n if (this.options.authType === t.AuthenticationType.subscriptionKey) return this.options.subscriptionKey;\n }, Rf.prototype._getTokenExpiry = function (t) {\n var e = Nf(t).exp,\n i = this._getCurrentTime();\n\n return 0 < e - i ? e - i : -1;\n }, Rf.prototype._storeAccessToken = function (t) {\n this._saveItem(Rf.constants.storage.accessTokenKey, t);\n\n var e = {\n map: this.map,\n type: Rf.constants.events.tokenAcquired\n };\n this.map.events.invoke(Rf.constants.events.tokenAcquired, e);\n }, Rf.prototype._saveItem = function (t, e) {\n return this._supportsLocalStorage() ? (localStorage.setItem(t, e), !0) : !!this._supportsSessionStorage() && (sessionStorage.setItem(t, e), !0);\n }, Rf.prototype._getItem = function (t) {\n return this._supportsLocalStorage() ? localStorage.getItem(t) : this._supportsSessionStorage() ? sessionStorage.getItem(t) : null;\n }, Rf.prototype._supportsLocalStorage = function () {\n try {\n return !!window.localStorage && (window.localStorage.setItem(Rf.constants.storage.testStorageKey, \"A\"), \"A\" === window.localStorage.getItem(Rf.constants.storage.testStorageKey) && (window.localStorage.removeItem(Rf.constants.storage.testStorageKey), !window.localStorage.getItem(Rf.constants.storage.testStorageKey)));\n } catch (t) {\n return !1;\n }\n }, Rf.prototype._supportsSessionStorage = function () {\n try {\n return !!window.sessionStorage && (window.sessionStorage.setItem(Rf.constants.storage.testStorageKey, \"A\"), \"A\" === window.sessionStorage.getItem(Rf.constants.storage.testStorageKey) && (window.sessionStorage.removeItem(Rf.constants.storage.testStorageKey), !window.sessionStorage.getItem(Rf.constants.storage.testStorageKey)));\n } catch (t) {\n return !1;\n }\n }, Rf.prototype._getCurrentTime = function () {\n return Math.round(new Date().getTime() / 1e3);\n }, Rf.prototype.signRequest = function (e) {\n e.headers = e.headers || {}, e.headers[x] = this.sessionId, e.headers[y] = v, e.headers[m] = \"MapControl/\" + P + \" (Web)\";\n var i = this.getToken();\n\n switch (this.options.authType) {\n case t.AuthenticationType.aad:\n case t.AuthenticationType.anonymous:\n e.headers[g] = this.options.clientId, e.headers[h] = d + i;\n break;\n\n case t.AuthenticationType.subscriptionKey:\n if (\"url\" in e) -1 !== e.url.indexOf(\"?\") ? e.url += \"&subscription-key=\" + i : e.url += \"?&subscription-key=\" + i;else {\n if (!(\"domain\" in e)) throw new Error(\"Could not determine if the provided object was UrlOptions or RequestParameters\");\n e.queryParams = e.queryParams || {}, e.queryParams[\"subscription-key\"] = i;\n }\n break;\n\n default:\n throw new Error(\"An invalid authentication type was specified\");\n }\n\n return e;\n }, Rf.constants = {\n preferredCacheLocation: \"localStorage\",\n storage: {\n accessTokenKey: \"access.token.key\",\n testStorageKey: \"testStorage\"\n },\n events: {\n tokenAcquired: \"tokenacquired\"\n },\n tokenExpiresIn: 3599,\n tokenRefreshClockSkew: 300,\n errors: {\n tokenExpired: \"Token Expired, Try again\"\n }\n }, Rf);\n\n function Rf(t) {\n var e = this;\n\n this._triggerTokenFetch = function () {\n return new Promise(function (t, i) {\n e.options.getToken(function (r) {\n try {\n var o = e._getTokenExpiry(r) - Rf.constants.tokenRefreshClockSkew;\n e._storeAccessToken(r), clearTimeout(e.tokenTimeOutHandle), e.tokenTimeOutHandle = setTimeout(e._triggerTokenFetch, 1e3 * o), t();\n } catch (r) {\n i(new Error(\"Invalid token returned by getToken function\"));\n }\n }, function (t) {\n i(t);\n }, e.map);\n });\n };\n\n var i = t.getServiceOptions();\n this.options = i.authOptions, this.sessionId = i.sessionId, this.map = t;\n }\n\n var jf = (Bf.prototype.add = function (t, e) {\n if (Array.isArray(t)) for (var i = 0, r = t; i < r.length; i++) {\n var o = r[i];\n\n this._add(o, e);\n } else this._add(t, e);\n }, Bf.prototype.getControls = function () {\n return Array.from(this.controls);\n }, Bf.prototype.remove = function (t) {\n if (Array.isArray(t)) for (var e = 0, i = t; e < i.length; e++) {\n var r = i[e];\n\n this._remove(r);\n } else this._remove(t);\n }, Bf.prototype._add = function (t, e) {\n this.controls.add(t);\n var i = new j().merge(e),\n r = t.onAdd(this.map, e),\n o = this.controlContainer.getElementsByClassName(i.position);\n if (!(0 < o.length)) throw new Error(\"Control position \" + i.position + \" does not exist.\");\n o.item(0).appendChild(r);\n }, Bf.prototype._remove = function (t) {\n t.onRemove(), this.controls.delete(t);\n }, Bf);\n\n function Bf(e) {\n for (var i in this.map = e, this.controlContainer = document.createElement(\"div\"), this.controlContainer.classList.add(\"atlas-control-container\"), t.ControlPosition) {\n if (t.ControlPosition.hasOwnProperty(i)) {\n var r = document.createElement(\"div\");\n r.classList.add(t.ControlPosition[i]), r.classList.add(\"subcontrol-container\"), this.controlContainer.appendChild(r);\n }\n }\n\n this.map.getMapContainer().appendChild(this.controlContainer), this.controls = new Set();\n }\n\n var Uf = (Ff.prototype.addCallback = function (t, e, i, r, o) {\n var n,\n a,\n s = this;\n if (r) n = function n(t) {\n var e = t.lngLat ? new dn(t.lngLat.lng, t.lngLat.lat) : void 0,\n r = t.point ? [t.point.x, t.point.y] : void 0,\n o = t.features ? t.features.map(function (t) {\n return new ro(t.geometry, t.properties, t.id);\n }) : [],\n n = {\n type: t.type,\n originalEvent: t.originalEvent,\n position: e,\n coordinate: r,\n features: o\n };\n i(n);\n };else switch (t) {\n case \"data\":\n case \"sourcedata\":\n case \"styledata\":\n n = function n(r) {\n var n = _M(_M({\n dataType: r.dataType\n }, \"source\" === r.dataType && _M(_M(_M({\n isSourceLoaded: r.isSourceLoaded\n }, r.sourceDataType && {\n sourceDataType: r.sourceDataType\n }), {\n source: s.map.sources.getById(r.sourceId)\n }), r.tile && {\n tile: {\n id: {\n x: r.tile.tileID.canonical.x,\n y: r.tile.tileID.canonical.y,\n z: r.tile.tileID.canonical.z\n },\n size: r.tile.tileSize,\n state: r.tile.state\n }\n })), {\n map: s.map,\n type: r.type\n });\n\n o && s.map.events._removeListener(t, e, i), i(n);\n };\n\n break;\n\n case \"error\":\n n = function n(r) {\n var n = {\n error: r.error,\n map: s.map,\n type: r.type\n };\n o && s.map.events._removeListener(t, e, i), i(n);\n };\n\n break;\n\n case \"touchstart\":\n case \"touchend\":\n case \"touchmove\":\n case \"touchcancel\":\n n = function n(r) {\n if (r.originalEvent) {\n if (r.originalEvent === a) return;\n a = r.originalEvent;\n }\n\n var n = r.point ? new ao(r.point.x, r.point.y) : void 0,\n l = r.points ? r.points.map(function (t) {\n return new ao(t.x, t.y);\n }) : [],\n u = r.lngLat ? new dn(r.lngLat.lng, r.lngLat.lat) : void 0,\n c = r.lngLats ? r.lngLats.map(function (t) {\n return new dn(t.lng, t.lat);\n }) : [],\n p = u ? s.map.layers.getRenderedShapes(new lo(u), e ? [e] : void 0) : [],\n h = {\n map: s.map,\n originalEvent: r.originalEvent,\n pixel: n,\n pixels: l,\n position: u,\n positions: c,\n shapes: p,\n layerId: e || void 0,\n preventDefault: function preventDefault() {\n return r.preventDefault();\n },\n type: r.type\n };\n o && s.map.events._removeListener(t, e, i), i(h);\n };\n\n break;\n\n case \"mousedown\":\n case \"mouseup\":\n case \"mouseover\":\n case \"mousemove\":\n case \"click\":\n case \"dblclick\":\n case \"mouseout\":\n case \"mouseenter\":\n case \"mouseleave\":\n case \"contextmenu\":\n n = function n(r) {\n if (r.originalEvent) {\n if (r.originalEvent === a) return;\n a = r.originalEvent;\n }\n\n var n = r.lngLat ? new dn(r.lngLat.lng, r.lngLat.lat) : void 0,\n l = r.point ? new ao(r.point.x, r.point.y) : void 0,\n u = n ? s.map.layers.getRenderedShapes(new lo(n), e ? [e] : void 0) : [],\n c = {\n map: s.map,\n originalEvent: r.originalEvent,\n position: n,\n pixel: l,\n preventDefault: function preventDefault() {\n return r.preventDefault();\n },\n shapes: u,\n layerId: e || void 0,\n type: r.type\n };\n o && s.map.events._removeListener(t, e, i), i(c);\n };\n\n break;\n\n case \"styleimagemissing\":\n n = function n(r) {\n o && s.map.events._removeListener(t, e, i), i(r.id);\n };\n\n break;\n\n case \"wheel\":\n n = function n(r) {\n if (r.originalEvent) {\n if (r.originalEvent === a) return;\n a = r.originalEvent;\n }\n\n var n = {\n map: s.map,\n originalEvent: r.originalEvent,\n preventDefault: function preventDefault() {\n return r.preventDefault();\n },\n type: r.type\n };\n o && s.map.events._removeListener(t, e, i), i(n);\n };\n\n break;\n\n case \"resize\":\n n = function n(r) {\n var n = {\n map: s.map,\n type: r.type\n };\n\n for (var a in r) {\n \"type\" !== a && \"target\" !== a && (n[a] = r[a]);\n }\n\n o && s.map.events._removeListener(t, e, i), i(n);\n };\n\n break;\n\n default:\n n = function n(r) {\n var n = {\n map: s.map,\n type: r.type\n };\n r.originalEvent && (n.originalEvent = r.originalEvent), o && s.map.events._removeListener(t, e, i), i(n);\n };\n\n }\n this.callbacks.has(e) || this.callbacks.set(e, new hr()), this.callbacks.get(e).has(t) || this.callbacks.get(e).set(t, new hr()), this.callbacks.get(e).get(t).set(i, [n, o]);\n }, Ff.prototype.removeCallback = function (t, e, i) {\n this.callbacks.has(e) && this.callbacks.get(e).has(t) && this.callbacks.get(e).get(t).has(i) && this.callbacks.get(e).get(t).delete(i);\n }, Ff.prototype.getModifiedCallback = function (t, e, i) {\n if (this.callbacks.has(e) && this.callbacks.get(e).has(t) && this.callbacks.get(e).get(t).has(i)) return this.callbacks.get(e).get(t).get(i)[0];\n }, Ff.prototype.getLayerCallbacks = function (t) {\n if (this.callbacks.has(t)) return this.callbacks.get(t);\n }, Ff.prototype.getEventCallbacks = function (t, e) {\n if (this.callbacks.has(e)) {\n var i = this.callbacks.get(e);\n if (i.has(t)) return i.get(t);\n }\n }, Ff);\n\n function Ff(t) {\n this.callbacks = new hr(), this.map = t;\n }\n\n var Vf = (qf.prototype.add = function (t, e, i) {\n if (\"function\" == typeof e) this._addGlobalListener(t, e, !1, !1);else for (var r = 0, o = e = Array.isArray(e) ? e : [e]; r < o.length; r++) {\n var n = o[r];\n n instanceof aa && aa._isMBoxEvent(t) ? this._addLayerListener(t, n, i, !1, !1) : n._addEventListener(t, i, !1);\n }\n }, qf.prototype.addOnce = function (t, e, i) {\n \"function\" == typeof e ? this._addGlobalListener(t, e, !1, !0) : e instanceof aa && aa._isMBoxEvent(t) ? this._addLayerListener(t, e, i, !1, !0) : e._addEventListener(t, i, !0);\n }, qf.prototype._addLegacy = function (t, e, i) {\n \"function\" == typeof e ? this._addGlobalListener(t, e, !0, !1) : this._addLayerListener(t, e, i, !0, !1);\n }, qf.prototype._addLayerListener = function (t, e, i, r, o) {\n var n = e instanceof aa ? e.getId() : e,\n a = this.map.layers.getLayerById(n),\n s = this.mapCallbackHandler.getModifiedCallback(t, n, i);\n if (s && a) for (var l = 0, u = a._getLayerIds(); l < u.length; l++) {\n var c = u[l];\n\n this.map._getMap().off(t, c, s);\n }\n\n if (this.mapCallbackHandler.addCallback(t, n, i, r, o), a) {\n s = this.mapCallbackHandler.getModifiedCallback(t, n, i);\n\n for (var p = 0, h = a._getLayerIds(); p < h.length; p++) {\n c = h[p], this.map._getMap().on(t, c, s);\n }\n }\n }, qf.prototype._addGlobalListener = function (t, e, i, r) {\n var o = this.mapCallbackHandler.getModifiedCallback(t, \"\", e);\n\n if (o && this.map._getMap().off(t, o), this.mapCallbackHandler.addCallback(t, \"\", e, i, r), o = this.mapCallbackHandler.getModifiedCallback(t, \"\", e), \"load\" === t && this.map._isLoaded()) {\n var n = {\n type: \"load\",\n map: this.map\n };\n setTimeout(function () {\n return o(n);\n });\n } else if (\"ready\" === t) {\n if (this.map._isReady()) {\n var a = {\n type: \"ready\",\n map: this.map\n };\n setTimeout(function () {\n return o(a);\n });\n }\n } else this.map._getMap().on(t, o);\n }, qf.prototype.invoke = function (t, e, i) {\n if (void 0 === i) this._invokeListeners(t, \"\", e);else if (e instanceof aa && aa._isMBoxEvent(t)) this._invokeListeners(t, e.getId(), i);else {\n if (!(e instanceof yn)) throw new Error(\"The invoke target is invalid.\");\n\n e._invokeEvent(t, i);\n }\n }, qf.prototype._invokeListeners = function (t, e, i) {\n var r = this,\n o = this.mapCallbackHandler.getEventCallbacks(t, e);\n o ? o.forEach(function (o, n) {\n o[0], o[1] && r._removeListener(t, e, n), n(i);\n }) : \"error\" === t && console.error(\"error\" in i ? i.error : i);\n }, qf.prototype.remove = function (t, e, i) {\n if (\"function\" == typeof e) this._removeListener(t, \"\", e);else for (var r = 0, o = e = Array.isArray(e) ? e : [e]; r < o.length; r++) {\n var n = o[r];\n n instanceof aa && aa._isMBoxEvent(t) ? this._removeListener(t, n, i) : n._removeEventListener(t, i);\n }\n }, qf.prototype._removeLegacy = function (t, e, i) {\n \"function\" == typeof e ? this._removeListener(t, \"\", e) : this._removeListener(t, e, i);\n }, qf.prototype._removeListener = function (t, e, i) {\n var r = e instanceof aa ? e.getId() : e,\n o = this.mapCallbackHandler.getModifiedCallback(t, r, i);\n if (o) if (r) {\n var n = this.map.layers.getLayerById(r);\n if (n) for (var a = 0, s = n._getLayerIds(); a < s.length; a++) {\n var l = s[a];\n\n this.map._getMap().off(t, l, o);\n }\n } else this.map._getMap().off(t, o);\n this.mapCallbackHandler.removeCallback(t, r, i);\n }, qf.prototype._enableLayerEvents = function (t) {\n var e = this,\n i = this.mapCallbackHandler.getLayerCallbacks(t.getId());\n i && i.forEach(function (i, r) {\n i.forEach(function (i) {\n for (var o = i[0], n = 0, a = t._getLayerIds(); n < a.length; n++) {\n var s = a[n];\n\n e.map._getMap().on(r, s, o);\n }\n });\n });\n }, qf.prototype._disableLayerEvents = function (t) {\n var e = this,\n i = this.mapCallbackHandler.getLayerCallbacks(t.getId());\n i && i.forEach(function (i, r) {\n i.forEach(function (i) {\n for (var o = i[0], n = 0, a = t._getLayerIds(); n < a.length; n++) {\n var s = a[n];\n\n e.map._getMap().off(r, s, o);\n }\n });\n });\n }, qf);\n\n function qf(t) {\n this.map = t, this.mapCallbackHandler = new Uf(this.map);\n }\n\n var Gf = (Zf.prototype.add = function (t, e) {\n if (Array.isArray(t)) for (var i = 0, r = t; i < r.length; i++) {\n var o = r[i];\n\n this._addMarker(o, e);\n } else this._addMarker(t, e);\n }, Zf.prototype._addMarker = function (t, e) {\n t._addToMap(this.map, e), this.markers.add(t);\n }, Zf.prototype.getMarkers = function () {\n return Array.from(this.markers);\n }, Zf.prototype.remove = function (t) {\n if (Array.isArray(t)) for (var e = 0, i = t; e < i.length; e++) {\n var r = i[e];\n\n this._removeMarker(r);\n } else this._removeMarker(t);\n }, Zf.prototype._removeMarker = function (t) {\n var e = this;\n t instanceof Rs ? (t._removeFromMap(), this.markers.delete(t)) : this.markers.forEach(function (i) {\n i._getId() === t && (i._removeFromMap(), e.markers.delete(i));\n });\n }, Zf.prototype.clear = function () {\n var t = this;\n this.markers.forEach(function (e) {\n e._removeFromMap(), t.markers.delete(e);\n });\n }, Zf);\n\n function Zf(t) {\n this.markers = new Set(), this.map = t;\n }\n\n var Hf = (Yf.prototype.add = function (t, e) {\n var i = this;\n return new Promise(function (r, o) {\n if (i.userImages.has(t)) r();else if (e instanceof HTMLImageElement || e instanceof ImageData) i.map._getMap().addImage(t, e), i.userImages.set(t, e), r();else if (\"string\" == typeof e) {\n var n,\n a = void 0;\n a = /)/);\n r = Math.max.apply(Math, u.map(function (t) {\n return t.replace(/<[a-zA-Z0-9\\s=\\/]+>/g, \"\").length;\n })) - 1;\n var c = Math.ceil(3.5 * r);\n if (c < s && (s = c, a = r), o.includes(\"/g, \"\").length / a) * p);\n }\n i.width = s + \"px\", i.height = n || 280 < l ? \"280px\" : l + \"px\";\n var h = e.textColor ? \"color:\" + e.textColor + \";\" : \"\",\n d = e.fillColor ? \"background-color:\" + e.fillColor + \";\" : \"\",\n f = '' + o + \"
\";\n return void 0 === i.srcdoc ? i.src = \"data:text/html;charset=utf-8,\" + encodeURI(f) : i.srcdoc = f, i;\n }, ig._appendChild = function (t, e, i) {\n e && (i && (e.className = (e.className ? e.className + \" \" : \"\") + i), t.appendChild(e));\n }, ig._generateContent = function (t, e, i) {\n if (e) return Array.isArray(e) ? this._generatePropertyInfoTable(t, e, i) : this._applyStringTemplate(t, e, i);\n\n var r = this._generateDynamicTableHtml(t, null, i);\n\n if (r) {\n var o = document.createElement(\"div\");\n return o.innerHTML = r, o;\n }\n\n return null;\n }, ig._applyStringTemplate = function (t, e, i) {\n if (e) {\n for (var r = e, o = this._placeholderRx.exec(e); o;) {\n if (2 <= o.length) {\n var n = this._getPropertyValue(t, o[1], i);\n\n r = r.replace(o[0], n);\n }\n\n o = this._placeholderRx.exec(e);\n }\n\n if (r) {\n (r = r.trim()).includes(\"<\") && (r = r.replace(/[\\r\\n]+/g, \"'), t.title ? p.push(t.title) : u && u.label ? p.push(u.label) : p.push(t.href), p.push(\" \", \"\" + _ + \" \";\n }\n }\n\n return d.toString();\n }\n }\n }\n\n return \"\";\n }, ig._generatePropertyInfoTable = function (t, e, i) {\n if (t && e && 0 < e.length) {\n var r = [],\n o = this;\n r.push(''), e.forEach(function (e) {\n var n = o._getPropertyValue(t, e.propertyPath, i, e);\n\n if (e.hideLabel) r.push('', n, \" \", a, \" \", n, \"
\");\n var n = document.createElement(\"div\");\n return n.innerHTML = r.join(\"\"), n;\n }\n\n return null;\n }, ig._generateDynamicTableHtml = function (t, e, i) {\n var r = this;\n\n if (t) {\n var o = [],\n n = this;\n o.push('');\n var a = e && 0 < e.length ? e.join(\"/\") + \"/\" : \"\",\n s = 0;\n return Object.keys(t).forEach(function (e) {\n r._ignoreProperty(e, t[e]) || (o.push(\"\", e, \" \", n._getPropertyValue(t, a + e, i), \"
\"), o.join(\"\"));\n }\n\n return null;\n }, ig._ignoreProperty = function (t, e) {\n switch (t) {\n case \"title\":\n case \"name\":\n case \"base\":\n case \"popupTemplate\":\n case \"anchor\":\n case \"icon\":\n case \"image\":\n case \"imageUrl\":\n case \"rotation\":\n case \"color\":\n case \"size\":\n case \"offset\":\n case \"strokeColor\":\n case \"strokeWidth\":\n case \"strokeOpacity\":\n case \"subType\":\n case \"fillColor\":\n case \"fillOpacity\":\n case \"visibility\":\n case \"visible\":\n return !0;\n\n default:\n if (0 === t.indexOf(\"_\") || null == e || \"\" === e) return !0;\n }\n\n return !1;\n }, ig._placeholderRx = /\\{([a-zA-Z0-9_\\/\\s]+)\\}/gi, ig._isUrlRx = /^(http|https|ftp|tel|mailto):\\/\\//i, ig._isImageUrlRx = /(^data:image|.png$|.jpg$|.jpeg$|.gif$|.bmp$|.svg|.tif|.tiff$)/i, ig._emailRx = /^[^\\.\\s@:](?:[^\\s@:]*[^\\s@:\\.])?@[^\\.\\s@]+(?:\\.[^\\.\\s@]+)*$/, ig._cssUrl = new D({\n domain: s,\n path: \"sdk/javascript/mapcontrol/\" + N.getEndpointVersion() + \"/atlas.min.css\"\n }).toString(), ig.Css = {\n template: \"azure-maps-control-popup-template\",\n title: \"azure-maps-control-popup-template-title\",\n content: \"azure-maps-control-popup-template-content\",\n item: \"azure-maps-control-popup-template-content-item\",\n table: \"azure-maps-control-popup-template-table\"\n }, ig);\n\n function ig() {\n this.detectHyperlinks = !0, this.parsePropertyPaths = !0;\n }\n\n o(new D({\n domain: s,\n path: \"sdk/javascript/mapcontrol/\" + N.getEndpointVersion() + \"/mapbox-gl-rtl-text.min.js\"\n }).toString(), function (t) {\n t && console.warn(t);\n }, !0), t.HtmlMarker = Rs, t.Map = $m, t.Pixel = ao, t.Popup = Ds, t.PopupTemplate = eg, t.Shape = Cn, t._getAssetDomain = function () {\n return a;\n }, t._getDomain = function () {\n return El();\n }, t._hasSetAuthenticationOptions = ql, t._hasSetDomain = Gl, t._hasSetLanguage = Hl, t._hasSetSessionId = Yl, t._hasSetStyleDefinitionsPath = Zl, t._hasSetView = Wl, t.addImageTemplate = function (t, e, i) {\n !i && eu[t.toLowerCase()] || (eu[t.toLowerCase()] = e);\n }, t.control = zr, t.data = Vn, t.getAllImageTemplateNames = function () {\n return Object.keys(eu);\n }, t.getAuthenticationOptions = Sl, t.getDomain = El, t.getImageTemplate = Vl, t.getLanguage = Al, t.getSessionId = Dl, t.getStyleDefinitionsPath = Ll, t.getSubscriptionKey = kl, t.getUserRegion = function () {\n return dl;\n }, t.getVersion = function () {\n return N.getFullVersion();\n }, t.getView = zl, t.internal = _n, t.isSupported = Pl, t.layer = ys, t.math = Mn, t.setAuthenticationOptions = Nl, t.setDomain = Ol, t.setLanguage = jl, t.setSessionId = Bl, t.setStyleDefinitionsPath = Rl, t.setSubscriptionKey = Ul, t.setUserRegion = Fl, t.setView = function (t) {\n dl = t, wl = !0;\n }, t.source = na, Object.defineProperty(t, \"__esModule\", {\n value: !0\n });\n }(e);\n}(p = {\n path: c,\n exports: {},\n require: function require(t, e) {\n return function () {\n throw new Error(\"Dynamic requires are not currently supported by @rollup/plugin-commonjs\");\n }(null == e && p.path);\n }\n}, p.exports), p.exports));\n\nvar d = e({\n mapRef: null,\n isMapReady: !1,\n setMapRef: function setMapRef(t) {},\n removeMapRef: function removeMapRef() {},\n setMapReady: function setMapReady() {}\n}),\n f = d.Provider,\n m = d.Consumer,\n g = function g(_ref) {\n var e = _ref.children;\n\n var _i3 = i(null),\n _i4 = _slicedToArray(_i3, 2),\n r = _i4[0],\n o = _i4[1],\n _i5 = i(!1),\n _i6 = _slicedToArray(_i5, 2),\n n = _i6[0],\n a = _i6[1];\n\n return t.createElement(f, {\n value: {\n mapRef: r,\n setMapRef: o,\n isMapReady: n,\n setMapReady: a,\n removeMapRef: function removeMapRef() {\n return o(null);\n }\n }\n }, e);\n},\n y = function y() {\n return r(d);\n};\n\nfunction v(t, e, i) {\n o(function () {\n if (t && e) return i(t, e);\n }, [e]);\n}\n\nfunction _(t, e, i) {\n o(function () {\n if (t && e) return i(t, e);\n }, []);\n}\n\n!function (t, e) {\n void 0 === e && (e = {});\n var i = e.insertAt;\n\n if (t && \"undefined\" != typeof document) {\n var r = document.head || document.getElementsByTagName(\"head\")[0],\n o = document.createElement(\"style\");\n o.type = \"text/css\", \"top\" === i && r.firstChild ? r.insertBefore(o, r.firstChild) : r.appendChild(o), o.styleSheet ? o.styleSheet.cssText = t : o.appendChild(document.createTextNode(t));\n }\n}(\".mapboxgl-marker,.mapboxgl-popup{will-change:transform;top:0;left:0}.azure-maps-control-button,.popup-collection-container{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.incident-popup-subtitle,.incident-popup-title{text-transform:capitalize;text-overflow:ellipsis}.mapboxgl-map{font:12px/20px 'Helvetica Neue',Arial,Helvetica,sans-serif;overflow:hidden;position:relative;-webkit-tap-highlight-color:transparent}.mapboxgl-canary{background-color:salmon}.mapboxgl-canvas-container.mapboxgl-interactive,.mapboxgl-ctrl-nav-compass{cursor:-webkit-grab;cursor:-moz-grab;cursor:grab}.mapboxgl-canvas-container.mapboxgl-interactive:active,.mapboxgl-ctrl-nav-compass:active{cursor:-webkit-grabbing;cursor:-moz-grabbing;cursor:grabbing}.mapboxgl-canvas-container.mapboxgl-touch-zoom-rotate{-ms-touch-action:pan-x pan-y;touch-action:pan-x 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.azure-maps-control-button.zoom-out{background-image:url(\\\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 2'%3E%3Cpath d='M11.8 2H.2a.215.215 0 01-.2-.2V.2A.215.215 0 01.2 0h11.6a.215.215 0 01.2.2v1.6a.215.215 0 01-.2.2z' fill='%23fff'/%3E%3C/svg%3E\\\")}.atlas-map.high-contrast-light .azure-maps-control-button.zoom-out{background-image:url(\\\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 2'%3E%3Cpath d='M11.8 2H.2a.215.215 0 01-.2-.2V.2A.215.215 0 01.2 0h11.6a.215.215 0 01.2.2v1.6a.215.215 0 01-.2.2z'/%3E%3C/svg%3E\\\")}.azure-maps-control-button.zoom-out:active{background-image:url(\\\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 2'%3E%3Cpath d='M11.8 2H.2a.215.215 0 0 1-.2-.2V.2A.215.215 0 0 1 .2 0h11.6a.215.215 0 0 1 .2.2v1.6a.215.215 0 0 1-.2.2z' fill='%2362666a'/%3E%3C/svg%3E\\\")}.atlas-map.high-contrast-dark .azure-maps-control-button.zoom-out:active,.atlas-map.high-contrast-light .azure-maps-control-button.zoom-out:active{background-image:url(\\\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 2'%3E%3Cpath d='M11.8 2H.2a.215.215 0 01-.2-.2V.2A.215.215 0 01.2 0h11.6a.215.215 0 01.2.2v1.6a.215.215 0 01-.2.2z' fill='%237f7f7f'/%3E%3C/svg%3E\\\")}.azure-maps-control-button.traffic{background-image:url(\\\"data:image/svg+xml;utf8,): void\n */\n\nexport function promiseToServiceCallback(promise) {\n if (typeof promise.then !== \"function\") {\n throw new Error(\"The provided input is not a Promise.\");\n }\n\n return function (cb) {\n promise.then(function (data) {\n return process.nextTick(cb, undefined, data.parsedBody, data.request, data);\n }).catch(function (err) {\n process.nextTick(cb, err);\n });\n };\n}\nexport function prepareXMLRootList(obj, elementName, xmlNamespaceKey, xmlNamespace) {\n if (!Array.isArray(obj)) {\n obj = [obj];\n }\n\n if (!xmlNamespaceKey || !xmlNamespace) {\n return _defineProperty({}, elementName, obj);\n }\n\n var result = _defineProperty({}, elementName, obj);\n\n result[XML_ATTRKEY] = _defineProperty({}, xmlNamespaceKey, xmlNamespace);\n return result;\n}\n/**\n * Applies the properties on the prototype of sourceCtors to the prototype of targetCtor\n * @param targetCtor - The target object on which the properties need to be applied.\n * @param sourceCtors - An array of source objects from which the properties need to be taken.\n */\n\nexport function applyMixins(targetCtorParam, sourceCtors) {\n var castTargetCtorParam = targetCtorParam;\n sourceCtors.forEach(function (sourceCtor) {\n Object.getOwnPropertyNames(sourceCtor.prototype).forEach(function (name) {\n castTargetCtorParam.prototype[name] = sourceCtor.prototype[name];\n });\n });\n}\nvar validateISODuration = /^(-|\\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;\n/**\n * Indicates whether the given string is in ISO 8601 format.\n * @param value - The value to be validated for ISO 8601 duration format.\n * @returns `true` if valid, `false` otherwise.\n */\n\nexport function isDuration(value) {\n return validateISODuration.test(value);\n}\n/**\n * Replace all of the instances of searchValue in value with the provided replaceValue.\n * @param value - The value to search and replace in.\n * @param searchValue - The value to search for in the value argument.\n * @param replaceValue - The value to replace searchValue with in the value argument.\n * @returns The value where each instance of searchValue was replaced with replacedValue.\n */\n\nexport function replaceAll(value, searchValue, replaceValue) {\n return !value || !searchValue ? value : value.split(searchValue).join(replaceValue || \"\");\n}\n/**\n * Determines whether the given entity is a basic/primitive type\n * (string, number, boolean, null, undefined).\n * @param value - Any entity\n * @returns true is it is primitive type, false otherwise.\n */\n\nexport function isPrimitiveType(value) {\n return typeof value !== \"object\" && typeof value !== \"function\" || value === null;\n}\nexport function getEnvironmentValue(name) {\n if (process.env[name]) {\n return process.env[name];\n } else if (process.env[name.toLowerCase()]) {\n return process.env[name.toLowerCase()];\n }\n\n return undefined;\n}\n/**\n * @internal\n * @returns true when input is an object type that is not null, Array, RegExp, or Date.\n */\n\nexport function isObject(input) {\n return typeof input === \"object\" && input !== null && !Array.isArray(input) && !(input instanceof RegExp) && !(input instanceof Date);\n}","import _regeneratorRuntime from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/regenerator\";\nimport _asyncToGenerator from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/asyncToGenerator\";\nimport _classCallCheck from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/createClass\";\nimport _possibleConstructorReturn from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/possibleConstructorReturn\";\nimport _getPrototypeOf from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/getPrototypeOf\";\nimport _inherits from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/inherits\";\n\nfunction _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === \"undefined\" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\n// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { AbortError } from \"@azure/abort-controller\";\nimport { BaseRequestPolicy } from \"@azure/core-http\";\nimport { URLConstants } from \"../utils/constants\";\nimport { delay as _delay, setURLHost, setURLParameter } from \"../utils/utils.common\";\nimport { logger } from \"../log\";\n/**\n * A factory method used to generated a RetryPolicy factory.\n *\n * @param retryOptions -\n */\n\nexport function NewRetryPolicyFactory(retryOptions) {\n return {\n create: function create(nextPolicy, options) {\n return new StorageRetryPolicy(nextPolicy, options, retryOptions);\n }\n };\n}\n/**\n * RetryPolicy types.\n */\n\nexport var StorageRetryPolicyType;\n\n(function (StorageRetryPolicyType) {\n /**\n * Exponential retry. Retry time delay grows exponentially.\n */\n StorageRetryPolicyType[StorageRetryPolicyType[\"EXPONENTIAL\"] = 0] = \"EXPONENTIAL\";\n /**\n * Linear retry. Retry time delay grows linearly.\n */\n\n StorageRetryPolicyType[StorageRetryPolicyType[\"FIXED\"] = 1] = \"FIXED\";\n})(StorageRetryPolicyType || (StorageRetryPolicyType = {})); // Default values of StorageRetryOptions\n\n\nvar DEFAULT_RETRY_OPTIONS = {\n maxRetryDelayInMs: 120 * 1000,\n maxTries: 4,\n retryDelayInMs: 4 * 1000,\n retryPolicyType: StorageRetryPolicyType.EXPONENTIAL,\n secondaryHost: \"\",\n tryTimeoutInMs: undefined // Use server side default timeout strategy\n\n};\nvar RETRY_ABORT_ERROR = new AbortError(\"The operation was aborted.\");\n/**\n * Retry policy with exponential retry and linear retry implemented.\n */\n\nexport var StorageRetryPolicy = /*#__PURE__*/function (_BaseRequestPolicy) {\n _inherits(StorageRetryPolicy, _BaseRequestPolicy);\n\n /**\n * Creates an instance of RetryPolicy.\n *\n * @param nextPolicy -\n * @param options -\n * @param retryOptions -\n */\n function StorageRetryPolicy(nextPolicy, options) {\n var _this;\n\n var retryOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : DEFAULT_RETRY_OPTIONS;\n\n _classCallCheck(this, StorageRetryPolicy);\n\n _this = _possibleConstructorReturn(this, _getPrototypeOf(StorageRetryPolicy).call(this, nextPolicy, options)); // Initialize retry options\n\n _this.retryOptions = {\n retryPolicyType: retryOptions.retryPolicyType ? retryOptions.retryPolicyType : DEFAULT_RETRY_OPTIONS.retryPolicyType,\n maxTries: retryOptions.maxTries && retryOptions.maxTries >= 1 ? Math.floor(retryOptions.maxTries) : DEFAULT_RETRY_OPTIONS.maxTries,\n tryTimeoutInMs: retryOptions.tryTimeoutInMs && retryOptions.tryTimeoutInMs >= 0 ? retryOptions.tryTimeoutInMs : DEFAULT_RETRY_OPTIONS.tryTimeoutInMs,\n retryDelayInMs: retryOptions.retryDelayInMs && retryOptions.retryDelayInMs >= 0 ? Math.min(retryOptions.retryDelayInMs, retryOptions.maxRetryDelayInMs ? retryOptions.maxRetryDelayInMs : DEFAULT_RETRY_OPTIONS.maxRetryDelayInMs) : DEFAULT_RETRY_OPTIONS.retryDelayInMs,\n maxRetryDelayInMs: retryOptions.maxRetryDelayInMs && retryOptions.maxRetryDelayInMs >= 0 ? retryOptions.maxRetryDelayInMs : DEFAULT_RETRY_OPTIONS.maxRetryDelayInMs,\n secondaryHost: retryOptions.secondaryHost ? retryOptions.secondaryHost : DEFAULT_RETRY_OPTIONS.secondaryHost\n };\n return _this;\n }\n /**\n * Sends request.\n *\n * @param request -\n */\n\n\n _createClass(StorageRetryPolicy, [{\n key: \"sendRequest\",\n value: function () {\n var _sendRequest = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(request) {\n return _regeneratorRuntime.wrap(function _callee$(_context) {\n while (1) {\n switch (_context.prev = _context.next) {\n case 0:\n return _context.abrupt(\"return\", this.attemptSendRequest(request, false, 1));\n\n case 1:\n case \"end\":\n return _context.stop();\n }\n }\n }, _callee, this);\n }));\n\n function sendRequest(_x) {\n return _sendRequest.apply(this, arguments);\n }\n\n return sendRequest;\n }()\n /**\n * Decide and perform next retry. Won't mutate request parameter.\n *\n * @param request -\n * @param secondaryHas404 - If attempt was against the secondary & it returned a StatusNotFound (404), then\n * the resource was not found. This may be due to replication delay. So, in this\n * case, we'll never try the secondary again for this operation.\n * @param attempt - How many retries has been attempted to performed, starting from 1, which includes\n * the attempt will be performed by this method call.\n */\n\n }, {\n key: \"attemptSendRequest\",\n value: function () {\n var _attemptSendRequest = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee2(request, secondaryHas404, attempt) {\n var newRequest, isPrimaryRetry, response;\n return _regeneratorRuntime.wrap(function _callee2$(_context2) {\n while (1) {\n switch (_context2.prev = _context2.next) {\n case 0:\n newRequest = request.clone();\n isPrimaryRetry = secondaryHas404 || !this.retryOptions.secondaryHost || !(request.method === \"GET\" || request.method === \"HEAD\" || request.method === \"OPTIONS\") || attempt % 2 === 1;\n\n if (!isPrimaryRetry) {\n newRequest.url = setURLHost(newRequest.url, this.retryOptions.secondaryHost);\n } // Set the server-side timeout query parameter \"timeout=[seconds]\"\n\n\n if (this.retryOptions.tryTimeoutInMs) {\n newRequest.url = setURLParameter(newRequest.url, URLConstants.Parameters.TIMEOUT, Math.floor(this.retryOptions.tryTimeoutInMs / 1000).toString());\n }\n\n _context2.prev = 4;\n logger.info(\"RetryPolicy: =====> Try=\".concat(attempt, \" \").concat(isPrimaryRetry ? \"Primary\" : \"Secondary\"));\n _context2.next = 8;\n return this._nextPolicy.sendRequest(newRequest);\n\n case 8:\n response = _context2.sent;\n\n if (this.shouldRetry(isPrimaryRetry, attempt, response)) {\n _context2.next = 11;\n break;\n }\n\n return _context2.abrupt(\"return\", response);\n\n case 11:\n secondaryHas404 = secondaryHas404 || !isPrimaryRetry && response.status === 404;\n _context2.next = 19;\n break;\n\n case 14:\n _context2.prev = 14;\n _context2.t0 = _context2[\"catch\"](4);\n logger.error(\"RetryPolicy: Caught error, message: \".concat(_context2.t0.message, \", code: \").concat(_context2.t0.code));\n\n if (this.shouldRetry(isPrimaryRetry, attempt, response, _context2.t0)) {\n _context2.next = 19;\n break;\n }\n\n throw _context2.t0;\n\n case 19:\n _context2.next = 21;\n return this.delay(isPrimaryRetry, attempt, request.abortSignal);\n\n case 21:\n return _context2.abrupt(\"return\", this.attemptSendRequest(request, secondaryHas404, ++attempt));\n\n case 22:\n case \"end\":\n return _context2.stop();\n }\n }\n }, _callee2, this, [[4, 14]]);\n }));\n\n function attemptSendRequest(_x2, _x3, _x4) {\n return _attemptSendRequest.apply(this, arguments);\n }\n\n return attemptSendRequest;\n }()\n /**\n * Decide whether to retry according to last HTTP response and retry counters.\n *\n * @param isPrimaryRetry -\n * @param attempt -\n * @param response -\n * @param err -\n */\n\n }, {\n key: \"shouldRetry\",\n value: function shouldRetry(isPrimaryRetry, attempt, response, err) {\n if (attempt >= this.retryOptions.maxTries) {\n logger.info(\"RetryPolicy: Attempt(s) \".concat(attempt, \" >= maxTries \").concat(this.retryOptions.maxTries, \", no further try.\"));\n return false;\n } // Handle network failures, you may need to customize the list when you implement\n // your own http client\n\n\n var retriableErrors = [\"ETIMEDOUT\", \"ESOCKETTIMEDOUT\", \"ECONNREFUSED\", \"ECONNRESET\", \"ENOENT\", \"ENOTFOUND\", \"TIMEOUT\", \"EPIPE\", \"REQUEST_SEND_ERROR\" // For default xhr based http client provided in ms-rest-js\n ];\n\n if (err) {\n var _iterator = _createForOfIteratorHelper(retriableErrors),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var retriableError = _step.value;\n\n if (err.name.toUpperCase().includes(retriableError) || err.message.toUpperCase().includes(retriableError) || err.code && err.code.toString().toUpperCase() === retriableError) {\n logger.info(\"RetryPolicy: Network error \".concat(retriableError, \" found, will retry.\"));\n return true;\n }\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n } // If attempt was against the secondary & it returned a StatusNotFound (404), then\n // the resource was not found. This may be due to replication delay. So, in this\n // case, we'll never try the secondary again for this operation.\n\n\n if (response || err) {\n var statusCode = response ? response.status : err ? err.statusCode : 0;\n\n if (!isPrimaryRetry && statusCode === 404) {\n logger.info(\"RetryPolicy: Secondary access with 404, will retry.\");\n return true;\n } // Server internal error or server timeout\n\n\n if (statusCode === 503 || statusCode === 500) {\n logger.info(\"RetryPolicy: Will retry for status code \".concat(statusCode, \".\"));\n return true;\n }\n }\n\n if ((err === null || err === void 0 ? void 0 : err.code) === \"PARSE_ERROR\" && (err === null || err === void 0 ? void 0 : err.message.startsWith(\"Error \\\"Error: Unclosed root tag\"))) {\n logger.info(\"RetryPolicy: Incomplete XML response likely due to service timeout, will retry.\");\n return true;\n }\n\n return false;\n }\n /**\n * Delay a calculated time between retries.\n *\n * @param isPrimaryRetry -\n * @param attempt -\n * @param abortSignal -\n */\n\n }, {\n key: \"delay\",\n value: function () {\n var _delay2 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee3(isPrimaryRetry, attempt, abortSignal) {\n var delayTimeInMs;\n return _regeneratorRuntime.wrap(function _callee3$(_context3) {\n while (1) {\n switch (_context3.prev = _context3.next) {\n case 0:\n delayTimeInMs = 0;\n\n if (!isPrimaryRetry) {\n _context3.next = 11;\n break;\n }\n\n _context3.t0 = this.retryOptions.retryPolicyType;\n _context3.next = _context3.t0 === StorageRetryPolicyType.EXPONENTIAL ? 5 : _context3.t0 === StorageRetryPolicyType.FIXED ? 7 : 9;\n break;\n\n case 5:\n delayTimeInMs = Math.min((Math.pow(2, attempt - 1) - 1) * this.retryOptions.retryDelayInMs, this.retryOptions.maxRetryDelayInMs);\n return _context3.abrupt(\"break\", 9);\n\n case 7:\n delayTimeInMs = this.retryOptions.retryDelayInMs;\n return _context3.abrupt(\"break\", 9);\n\n case 9:\n _context3.next = 12;\n break;\n\n case 11:\n delayTimeInMs = Math.random() * 1000;\n\n case 12:\n logger.info(\"RetryPolicy: Delay for \".concat(delayTimeInMs, \"ms\"));\n return _context3.abrupt(\"return\", _delay(delayTimeInMs, abortSignal, RETRY_ABORT_ERROR));\n\n case 14:\n case \"end\":\n return _context3.stop();\n }\n }\n }, _callee3, this);\n }));\n\n function delay(_x5, _x6, _x7) {\n return _delay2.apply(this, arguments);\n }\n\n return delay;\n }()\n }]);\n\n return StorageRetryPolicy;\n}(BaseRequestPolicy);","import _regeneratorRuntime from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/regenerator\";\nimport _asyncToGenerator from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/asyncToGenerator\";\nimport _classCallCheck from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/createClass\";\nimport _possibleConstructorReturn from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/possibleConstructorReturn\";\nimport _getPrototypeOf from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/getPrototypeOf\";\nimport _inherits from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/inherits\";\n// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { BaseRequestPolicy, isNode } from \"@azure/core-http\";\nimport { HeaderConstants, URLConstants } from \"../utils/constants\";\nimport { setURLParameter } from \"../utils/utils.common\";\n/**\n * StorageBrowserPolicy will handle differences between Node.js and browser runtime, including:\n *\n * 1. Browsers cache GET/HEAD requests by adding conditional headers such as 'IF_MODIFIED_SINCE'.\n * StorageBrowserPolicy is a policy used to add a timestamp query to GET/HEAD request URL\n * thus avoid the browser cache.\n *\n * 2. Remove cookie header for security\n *\n * 3. Remove content-length header to avoid browsers warning\n */\n\nexport var StorageBrowserPolicy = /*#__PURE__*/function (_BaseRequestPolicy) {\n _inherits(StorageBrowserPolicy, _BaseRequestPolicy);\n\n /**\n * Creates an instance of StorageBrowserPolicy.\n * @param nextPolicy -\n * @param options -\n */\n // The base class has a protected constructor. Adding a public one to enable constructing of this class.\n\n /* eslint-disable-next-line @typescript-eslint/no-useless-constructor*/\n function StorageBrowserPolicy(nextPolicy, options) {\n _classCallCheck(this, StorageBrowserPolicy);\n\n return _possibleConstructorReturn(this, _getPrototypeOf(StorageBrowserPolicy).call(this, nextPolicy, options));\n }\n /**\n * Sends out request.\n *\n * @param request -\n */\n\n\n _createClass(StorageBrowserPolicy, [{\n key: \"sendRequest\",\n value: function () {\n var _sendRequest = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(request) {\n return _regeneratorRuntime.wrap(function _callee$(_context) {\n while (1) {\n switch (_context.prev = _context.next) {\n case 0:\n if (!isNode) {\n _context.next = 2;\n break;\n }\n\n return _context.abrupt(\"return\", this._nextPolicy.sendRequest(request));\n\n case 2:\n if (request.method.toUpperCase() === \"GET\" || request.method.toUpperCase() === \"HEAD\") {\n request.url = setURLParameter(request.url, URLConstants.Parameters.FORCE_BROWSER_NO_CACHE, new Date().getTime().toString());\n }\n\n request.headers.remove(HeaderConstants.COOKIE); // According to XHR standards, content-length should be fully controlled by browsers\n\n request.headers.remove(HeaderConstants.CONTENT_LENGTH);\n return _context.abrupt(\"return\", this._nextPolicy.sendRequest(request));\n\n case 6:\n case \"end\":\n return _context.stop();\n }\n }\n }, _callee, this);\n }));\n\n function sendRequest(_x) {\n return _sendRequest.apply(this, arguments);\n }\n\n return sendRequest;\n }()\n }]);\n\n return StorageBrowserPolicy;\n}(BaseRequestPolicy);","import _classCallCheck from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/createClass\";\n// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { StorageBrowserPolicy } from \"./policies/StorageBrowserPolicy\";\nexport { StorageBrowserPolicy };\n/**\n * StorageBrowserPolicyFactory is a factory class helping generating StorageBrowserPolicy objects.\n */\n\nexport var StorageBrowserPolicyFactory = /*#__PURE__*/function () {\n function StorageBrowserPolicyFactory() {\n _classCallCheck(this, StorageBrowserPolicyFactory);\n }\n\n _createClass(StorageBrowserPolicyFactory, [{\n key: \"create\",\n\n /**\n * Creates a StorageBrowserPolicyFactory object.\n *\n * @param nextPolicy -\n * @param options -\n */\n value: function create(nextPolicy, options) {\n return new StorageBrowserPolicy(nextPolicy, options);\n }\n }]);\n\n return StorageBrowserPolicyFactory;\n}();","import _classCallCheck from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/createClass\";\n// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { StorageRetryPolicy, StorageRetryPolicyType } from \"./policies/StorageRetryPolicy\";\nexport { StorageRetryPolicyType, StorageRetryPolicy };\n/**\n * StorageRetryPolicyFactory is a factory class helping generating {@link StorageRetryPolicy} objects.\n */\n\nexport var StorageRetryPolicyFactory = /*#__PURE__*/function () {\n /**\n * Creates an instance of StorageRetryPolicyFactory.\n * @param retryOptions -\n */\n function StorageRetryPolicyFactory(retryOptions) {\n _classCallCheck(this, StorageRetryPolicyFactory);\n\n this.retryOptions = retryOptions;\n }\n /**\n * Creates a StorageRetryPolicy object.\n *\n * @param nextPolicy -\n * @param options -\n */\n\n\n _createClass(StorageRetryPolicyFactory, [{\n key: \"create\",\n value: function create(nextPolicy, options) {\n return new StorageRetryPolicy(nextPolicy, options, this.retryOptions);\n }\n }]);\n\n return StorageRetryPolicyFactory;\n}();","// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { DefaultHttpClient } from \"@azure/core-http\";\n\nvar _defaultHttpClient = new DefaultHttpClient();\n\nexport function getCachedDefaultHttpClient() {\n return _defaultHttpClient;\n}","import _classCallCheck from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/createClass\";\n// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { BaseRequestPolicy, deserializationPolicy, disableResponseDecompressionPolicy, HttpHeaders, RequestPolicyOptions, WebResource, proxyPolicy, isNode, isTokenCredential, bearerTokenAuthenticationPolicy, tracingPolicy, logPolicy, keepAlivePolicy, generateClientRequestIdPolicy } from \"@azure/core-http\";\nimport { logger } from \"./log\";\nimport { StorageBrowserPolicyFactory } from \"./StorageBrowserPolicyFactory\";\nimport { StorageRetryPolicyFactory } from \"./StorageRetryPolicyFactory\";\nimport { AnonymousCredential } from \"./credentials/AnonymousCredential\";\nimport { StorageOAuthScopes, StorageBlobLoggingAllowedHeaderNames, StorageBlobLoggingAllowedQueryParameters } from \"./utils/constants\";\nimport { TelemetryPolicyFactory } from \"./TelemetryPolicyFactory\";\nimport { getCachedDefaultHttpClient } from \"./utils/cache\";\nimport { attachCredential } from \"./utils/utils.common\"; // Export following interfaces and types for customers who want to implement their\n// own RequestPolicy or HTTPClient\n\nexport { BaseRequestPolicy, StorageOAuthScopes, deserializationPolicy, HttpHeaders, WebResource, RequestPolicyOptions };\n/**\n * A helper to decide if a given argument satisfies the Pipeline contract\n * @param pipeline - An argument that may be a Pipeline\n * @returns true when the argument satisfies the Pipeline contract\n */\n\nexport function isPipelineLike(pipeline) {\n if (!pipeline || typeof pipeline !== \"object\") {\n return false;\n }\n\n var castPipeline = pipeline;\n return Array.isArray(castPipeline.factories) && typeof castPipeline.options === \"object\" && typeof castPipeline.toServiceClientOptions === \"function\";\n}\n/**\n * A Pipeline class containing HTTP request policies.\n * You can create a default Pipeline by calling {@link newPipeline}.\n * Or you can create a Pipeline with your own policies by the constructor of Pipeline.\n *\n * Refer to {@link newPipeline} and provided policies before implementing your\n * customized Pipeline.\n */\n\nexport var Pipeline = /*#__PURE__*/function () {\n /**\n * Creates an instance of Pipeline. Customize HTTPClient by implementing IHttpClient interface.\n *\n * @param factories -\n * @param options -\n */\n function Pipeline(factories) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n _classCallCheck(this, Pipeline);\n\n this.factories = factories; // when options.httpClient is not specified, passing in a DefaultHttpClient instance to\n // avoid each client creating its own http client.\n\n this.options = Object.assign(Object.assign({}, options), {\n httpClient: options.httpClient || getCachedDefaultHttpClient()\n });\n }\n /**\n * Transfer Pipeline object to ServiceClientOptions object which is required by\n * ServiceClient constructor.\n *\n * @returns The ServiceClientOptions object from this Pipeline.\n */\n\n\n _createClass(Pipeline, [{\n key: \"toServiceClientOptions\",\n value: function toServiceClientOptions() {\n return {\n httpClient: this.options.httpClient,\n requestPolicyFactories: this.factories\n };\n }\n }]);\n\n return Pipeline;\n}();\n/**\n * Creates a new Pipeline object with Credential provided.\n *\n * @param credential - Such as AnonymousCredential, StorageSharedKeyCredential or any credential from the `@azure/identity` package to authenticate requests to the service. You can also provide an object that implements the TokenCredential interface. If not specified, AnonymousCredential is used.\n * @param pipelineOptions - Optional. Options.\n * @returns A new Pipeline object.\n */\n\nexport function newPipeline(credential) {\n var pipelineOptions = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n if (credential === undefined) {\n credential = new AnonymousCredential();\n } // Order is important. Closer to the API at the top & closer to the network at the bottom.\n // The credential's policy factory must appear close to the wire so it can sign any\n // changes made by other factories (like UniqueRequestIDPolicyFactory)\n\n\n var telemetryPolicy = new TelemetryPolicyFactory(pipelineOptions.userAgentOptions);\n var factories = [tracingPolicy({\n userAgent: telemetryPolicy.telemetryString\n }), keepAlivePolicy(pipelineOptions.keepAliveOptions), telemetryPolicy, generateClientRequestIdPolicy(), new StorageBrowserPolicyFactory(), new StorageRetryPolicyFactory(pipelineOptions.retryOptions), // Default deserializationPolicy is provided by protocol layer\n // Use customized XML char key of \"#\" so we could deserialize metadata\n // with \"_\" key\n deserializationPolicy(undefined, {\n xmlCharKey: \"#\"\n }), logPolicy({\n logger: logger.info,\n allowedHeaderNames: StorageBlobLoggingAllowedHeaderNames,\n allowedQueryParameters: StorageBlobLoggingAllowedQueryParameters\n })];\n\n if (isNode) {\n // policies only available in Node.js runtime, not in browsers\n factories.push(proxyPolicy(pipelineOptions.proxyOptions));\n factories.push(disableResponseDecompressionPolicy());\n }\n\n factories.push(isTokenCredential(credential) ? attachCredential(bearerTokenAuthenticationPolicy(credential, StorageOAuthScopes), credential) : credential);\n return new Pipeline(factories, pipelineOptions);\n}","export var DirectionalHint = {\n /**\n * Appear above the target element, with the left edges of the callout and target aligning.\n */\n topLeftEdge: 0,\n\n /**\n * Appear above the target element, with the centers of the callout and target aligning.\n */\n topCenter: 1,\n\n /**\n * Appear above the target element, with the right edges of the callout and target aligning.\n */\n topRightEdge: 2,\n\n /**\n * Appear above the target element, aligning with the target element such that the callout tends toward the center of the screen.\n */\n topAutoEdge: 3,\n\n /**\n * Appear below the target element, with the left edges of the callout and target aligning.\n */\n bottomLeftEdge: 4,\n\n /**\n * Appear below the target element, with the centers of the callout and target aligning.\n */\n bottomCenter: 5,\n\n /**\n * Appear below the target element, with the right edges of the callout and target aligning.\n */\n bottomRightEdge: 6,\n\n /**\n * Appear below the target element, aligning with the target element such that the callout tends toward the center of the screen.\n */\n bottomAutoEdge: 7,\n\n /**\n * Appear to the left of the target element, with the top edges of the callout and target aligning.\n */\n leftTopEdge: 8,\n\n /**\n * Appear to the left of the target element, with the centers of the callout and target aligning.\n */\n leftCenter: 9,\n\n /**\n * Appear to the left of the target element, with the bottom edges of the callout and target aligning.\n */\n leftBottomEdge: 10,\n\n /**\n * Appear to the right of the target element, with the top edges of the callout and target aligning.\n */\n rightTopEdge: 11,\n\n /**\n * Appear to the right of the target element, with the centers of the callout and target aligning.\n */\n rightCenter: 12,\n\n /**\n * Appear to the right of the target element, with the bottom edges of the callout and target aligning.\n */\n rightBottomEdge: 13\n};","// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\n\n/**\n * The different levels of logs that can be used with the HttpPipelineLogger.\n */\nexport var HttpPipelineLogLevel;\n\n(function (HttpPipelineLogLevel) {\n /**\n * A log level that indicates that no logs will be logged.\n */\n HttpPipelineLogLevel[HttpPipelineLogLevel[\"OFF\"] = 0] = \"OFF\";\n /**\n * An error log.\n */\n\n HttpPipelineLogLevel[HttpPipelineLogLevel[\"ERROR\"] = 1] = \"ERROR\";\n /**\n * A warning log.\n */\n\n HttpPipelineLogLevel[HttpPipelineLogLevel[\"WARNING\"] = 2] = \"WARNING\";\n /**\n * An information log.\n */\n\n HttpPipelineLogLevel[HttpPipelineLogLevel[\"INFO\"] = 3] = \"INFO\";\n})(HttpPipelineLogLevel || (HttpPipelineLogLevel = {}));","import _classCallCheck from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"/home/vsts/work/1/s/front/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/createClass\";\n// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\nimport { HttpPipelineLogLevel } from \"../httpPipelineLogLevel\";\n/**\n * The base class from which all request policies derive.\n */\n\nexport var BaseRequestPolicy = /*#__PURE__*/function () {\n /**\n * The main method to implement that manipulates a request/response.\n */\n function BaseRequestPolicy(\n /**\n * The next policy in the pipeline. Each policy is responsible for executing the next one if the request is to continue through the pipeline.\n */\n _nextPolicy,\n /**\n * The options that can be passed to a given request policy.\n */\n _options) {\n _classCallCheck(this, BaseRequestPolicy);\n\n this._nextPolicy = _nextPolicy;\n this._options = _options;\n }\n /**\n * Get whether or not a log with the provided log level should be logged.\n * @param logLevel - The log level of the log that will be logged.\n * @returns Whether or not a log with the provided log level should be logged.\n */\n\n\n _createClass(BaseRequestPolicy, [{\n key: \"shouldLog\",\n value: function shouldLog(logLevel) {\n return this._options.shouldLog(logLevel);\n }\n /**\n * Attempt to log the provided message to the provided logger. If no logger was provided or if\n * the log level does not meat the logger's threshold, then nothing will be logged.\n * @param logLevel - The log level of this log.\n * @param message - The message of this log.\n */\n\n }, {\n key: \"log\",\n value: function log(logLevel, message) {\n this._options.log(logLevel, message);\n }\n }]);\n\n return BaseRequestPolicy;\n}();\n/**\n * Optional properties that can be used when creating a RequestPolicy.\n */\n\nexport var RequestPolicyOptions = /*#__PURE__*/function () {\n function RequestPolicyOptions(_logger) {\n _classCallCheck(this, RequestPolicyOptions);\n\n this._logger = _logger;\n }\n /**\n * Get whether or not a log with the provided log level should be logged.\n * @param logLevel - The log level of the log that will be logged.\n * @returns Whether or not a log with the provided log level should be logged.\n */\n\n\n _createClass(RequestPolicyOptions, [{\n key: \"shouldLog\",\n value: function shouldLog(logLevel) {\n return !!this._logger && logLevel !== HttpPipelineLogLevel.OFF && logLevel <= this._logger.minimumLogLevel;\n }\n /**\n * Attempt to log the provided message to the provided logger. If no logger was provided or if\n * the log level does not meet the logger's threshold, then nothing will be logged.\n * @param logLevel - The log level of this log.\n * @param message - The message of this log.\n */\n\n }, {\n key: \"log\",\n value: function log(logLevel, message) {\n if (this._logger && this.shouldLog(logLevel)) {\n this._logger.log(logLevel, message);\n }\n }\n }]);\n\n return RequestPolicyOptions;\n}();","//! moment.js\n//! version : 2.29.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n;\n\n(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : global.moment = factory();\n})(this, function () {\n 'use strict';\n\n var hookCallback;\n\n function hooks() {\n return hookCallback.apply(null, arguments);\n } // This is done to register the method called with moment()\n // without creating circular dependencies.\n\n\n function setHookCallback(callback) {\n hookCallback = callback;\n }\n\n function isArray(input) {\n return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';\n }\n\n function isObject(input) {\n // IE8 will treat undefined and null as object if it wasn't for\n // input != null\n return input != null && Object.prototype.toString.call(input) === '[object Object]';\n }\n\n function hasOwnProp(a, b) {\n return Object.prototype.hasOwnProperty.call(a, b);\n }\n\n function isObjectEmpty(obj) {\n if (Object.getOwnPropertyNames) {\n return Object.getOwnPropertyNames(obj).length === 0;\n } else {\n var k;\n\n for (k in obj) {\n if (hasOwnProp(obj, k)) {\n return false;\n }\n }\n\n return true;\n }\n }\n\n function isUndefined(input) {\n return input === void 0;\n }\n\n function isNumber(input) {\n return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';\n }\n\n function isDate(input) {\n return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n }\n\n function map(arr, fn) {\n var res = [],\n i;\n\n for (i = 0; i < arr.length; ++i) {\n res.push(fn(arr[i], i));\n }\n\n return res;\n }\n\n function extend(a, b) {\n for (var i in b) {\n if (hasOwnProp(b, i)) {\n a[i] = b[i];\n }\n }\n\n if (hasOwnProp(b, 'toString')) {\n a.toString = b.toString;\n }\n\n if (hasOwnProp(b, 'valueOf')) {\n a.valueOf = b.valueOf;\n }\n\n return a;\n }\n\n function createUTC(input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, true).utc();\n }\n\n function defaultParsingFlags() {\n // We need to deep clone this object.\n return {\n empty: false,\n unusedTokens: [],\n unusedInput: [],\n overflow: -2,\n charsLeftOver: 0,\n nullInput: false,\n invalidEra: null,\n invalidMonth: null,\n invalidFormat: false,\n userInvalidated: false,\n iso: false,\n parsedDateParts: [],\n era: null,\n meridiem: null,\n rfc2822: false,\n weekdayMismatch: false\n };\n }\n\n function getParsingFlags(m) {\n if (m._pf == null) {\n m._pf = defaultParsingFlags();\n }\n\n return m._pf;\n }\n\n var some;\n\n if (Array.prototype.some) {\n some = Array.prototype.some;\n } else {\n some = function some(fun) {\n var t = Object(this),\n len = t.length >>> 0,\n i;\n\n for (i = 0; i < len; i++) {\n if (i in t && fun.call(this, t[i], i, t)) {\n return true;\n }\n }\n\n return false;\n };\n }\n\n function isValid(m) {\n if (m._isValid == null) {\n var flags = getParsingFlags(m),\n parsedParts = some.call(flags.parsedDateParts, function (i) {\n return i != null;\n }),\n isNowValid = !isNaN(m._d.getTime()) && flags.overflow < 0 && !flags.empty && !flags.invalidEra && !flags.invalidMonth && !flags.invalidWeekday && !flags.weekdayMismatch && !flags.nullInput && !flags.invalidFormat && !flags.userInvalidated && (!flags.meridiem || flags.meridiem && parsedParts);\n\n if (m._strict) {\n isNowValid = isNowValid && flags.charsLeftOver === 0 && flags.unusedTokens.length === 0 && flags.bigHour === undefined;\n }\n\n if (Object.isFrozen == null || !Object.isFrozen(m)) {\n m._isValid = isNowValid;\n } else {\n return isNowValid;\n }\n }\n\n return m._isValid;\n }\n\n function createInvalid(flags) {\n var m = createUTC(NaN);\n\n if (flags != null) {\n extend(getParsingFlags(m), flags);\n } else {\n getParsingFlags(m).userInvalidated = true;\n }\n\n return m;\n } // Plugins that add properties should also add the key here (null value),\n // so we can properly clone ourselves.\n\n\n var momentProperties = hooks.momentProperties = [],\n updateInProgress = false;\n\n function copyConfig(to, from) {\n var i, prop, val;\n\n if (!isUndefined(from._isAMomentObject)) {\n to._isAMomentObject = from._isAMomentObject;\n }\n\n if (!isUndefined(from._i)) {\n to._i = from._i;\n }\n\n if (!isUndefined(from._f)) {\n to._f = from._f;\n }\n\n if (!isUndefined(from._l)) {\n to._l = from._l;\n }\n\n if (!isUndefined(from._strict)) {\n to._strict = from._strict;\n }\n\n if (!isUndefined(from._tzm)) {\n to._tzm = from._tzm;\n }\n\n if (!isUndefined(from._isUTC)) {\n to._isUTC = from._isUTC;\n }\n\n if (!isUndefined(from._offset)) {\n to._offset = from._offset;\n }\n\n if (!isUndefined(from._pf)) {\n to._pf = getParsingFlags(from);\n }\n\n if (!isUndefined(from._locale)) {\n to._locale = from._locale;\n }\n\n if (momentProperties.length > 0) {\n for (i = 0; i < momentProperties.length; i++) {\n prop = momentProperties[i];\n val = from[prop];\n\n if (!isUndefined(val)) {\n to[prop] = val;\n }\n }\n }\n\n return to;\n } // Moment prototype object\n\n\n function Moment(config) {\n copyConfig(this, config);\n this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n\n if (!this.isValid()) {\n this._d = new Date(NaN);\n } // Prevent infinite loop in case updateOffset creates new moment\n // objects.\n\n\n if (updateInProgress === false) {\n updateInProgress = true;\n hooks.updateOffset(this);\n updateInProgress = false;\n }\n }\n\n function isMoment(obj) {\n return obj instanceof Moment || obj != null && obj._isAMomentObject != null;\n }\n\n function warn(msg) {\n if (hooks.suppressDeprecationWarnings === false && typeof console !== 'undefined' && console.warn) {\n console.warn('Deprecation warning: ' + msg);\n }\n }\n\n function deprecate(msg, fn) {\n var firstTime = true;\n return extend(function () {\n if (hooks.deprecationHandler != null) {\n hooks.deprecationHandler(null, msg);\n }\n\n if (firstTime) {\n var args = [],\n arg,\n i,\n key;\n\n for (i = 0; i < arguments.length; i++) {\n arg = '';\n\n if (typeof arguments[i] === 'object') {\n arg += '\\n[' + i + '] ';\n\n for (key in arguments[0]) {\n if (hasOwnProp(arguments[0], key)) {\n arg += key + ': ' + arguments[0][key] + ', ';\n }\n }\n\n arg = arg.slice(0, -2); // Remove trailing comma and space\n } else {\n arg = arguments[i];\n }\n\n args.push(arg);\n }\n\n warn(msg + '\\nArguments: ' + Array.prototype.slice.call(args).join('') + '\\n' + new Error().stack);\n firstTime = false;\n }\n\n return fn.apply(this, arguments);\n }, fn);\n }\n\n var deprecations = {};\n\n function deprecateSimple(name, msg) {\n if (hooks.deprecationHandler != null) {\n hooks.deprecationHandler(name, msg);\n }\n\n if (!deprecations[name]) {\n warn(msg);\n deprecations[name] = true;\n }\n }\n\n hooks.suppressDeprecationWarnings = false;\n hooks.deprecationHandler = null;\n\n function isFunction(input) {\n return typeof Function !== 'undefined' && input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';\n }\n\n function set(config) {\n var prop, i;\n\n for (i in config) {\n if (hasOwnProp(config, i)) {\n prop = config[i];\n\n if (isFunction(prop)) {\n this[i] = prop;\n } else {\n this['_' + i] = prop;\n }\n }\n }\n\n this._config = config; // Lenient ordinal parsing accepts just a number in addition to\n // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n // TODO: Remove \"ordinalParse\" fallback in next major release.\n\n this._dayOfMonthOrdinalParseLenient = new RegExp((this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + '|' + /\\d{1,2}/.source);\n }\n\n function mergeConfigs(parentConfig, childConfig) {\n var res = extend({}, parentConfig),\n prop;\n\n for (prop in childConfig) {\n if (hasOwnProp(childConfig, prop)) {\n if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n res[prop] = {};\n extend(res[prop], parentConfig[prop]);\n extend(res[prop], childConfig[prop]);\n } else if (childConfig[prop] != null) {\n res[prop] = childConfig[prop];\n } else {\n delete res[prop];\n }\n }\n }\n\n for (prop in parentConfig) {\n if (hasOwnProp(parentConfig, prop) && !hasOwnProp(childConfig, prop) && isObject(parentConfig[prop])) {\n // make sure changes to properties don't modify parent config\n res[prop] = extend({}, res[prop]);\n }\n }\n\n return res;\n }\n\n function Locale(config) {\n if (config != null) {\n this.set(config);\n }\n }\n\n var keys;\n\n if (Object.keys) {\n keys = Object.keys;\n } else {\n keys = function keys(obj) {\n var i,\n res = [];\n\n for (i in obj) {\n if (hasOwnProp(obj, i)) {\n res.push(i);\n }\n }\n\n return res;\n };\n }\n\n var defaultCalendar = {\n sameDay: '[Today at] LT',\n nextDay: '[Tomorrow at] LT',\n nextWeek: 'dddd [at] LT',\n lastDay: '[Yesterday at] LT',\n lastWeek: '[Last] dddd [at] LT',\n sameElse: 'L'\n };\n\n function calendar(key, mom, now) {\n var output = this._calendar[key] || this._calendar['sameElse'];\n return isFunction(output) ? output.call(mom, now) : output;\n }\n\n function zeroFill(number, targetLength, forceSign) {\n var absNumber = '' + Math.abs(number),\n zerosToFill = targetLength - absNumber.length,\n sign = number >= 0;\n return (sign ? forceSign ? '+' : '' : '-') + Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n }\n\n var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,\n localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g,\n formatFunctions = {},\n formatTokenFunctions = {}; // token: 'M'\n // padded: ['MM', 2]\n // ordinal: 'Mo'\n // callback: function () { this.month() + 1 }\n\n function addFormatToken(token, padded, ordinal, callback) {\n var func = callback;\n\n if (typeof callback === 'string') {\n func = function func() {\n return this[callback]();\n };\n }\n\n if (token) {\n formatTokenFunctions[token] = func;\n }\n\n if (padded) {\n formatTokenFunctions[padded[0]] = function () {\n return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n };\n }\n\n if (ordinal) {\n formatTokenFunctions[ordinal] = function () {\n return this.localeData().ordinal(func.apply(this, arguments), token);\n };\n }\n }\n\n function removeFormattingTokens(input) {\n if (input.match(/\\[[\\s\\S]/)) {\n return input.replace(/^\\[|\\]$/g, '');\n }\n\n return input.replace(/\\\\/g, '');\n }\n\n function makeFormatFunction(format) {\n var array = format.match(formattingTokens),\n i,\n length;\n\n for (i = 0, length = array.length; i < length; i++) {\n if (formatTokenFunctions[array[i]]) {\n array[i] = formatTokenFunctions[array[i]];\n } else {\n array[i] = removeFormattingTokens(array[i]);\n }\n }\n\n return function (mom) {\n var output = '',\n i;\n\n for (i = 0; i < length; i++) {\n output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];\n }\n\n return output;\n };\n } // format date using native date object\n\n\n function formatMoment(m, format) {\n if (!m.isValid()) {\n return m.localeData().invalidDate();\n }\n\n format = expandFormat(format, m.localeData());\n formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n return formatFunctions[format](m);\n }\n\n function expandFormat(format, locale) {\n var i = 5;\n\n function replaceLongDateFormatTokens(input) {\n return locale.longDateFormat(input) || input;\n }\n\n localFormattingTokens.lastIndex = 0;\n\n while (i >= 0 && localFormattingTokens.test(format)) {\n format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n localFormattingTokens.lastIndex = 0;\n i -= 1;\n }\n\n return format;\n }\n\n var defaultLongDateFormat = {\n LTS: 'h:mm:ss A',\n LT: 'h:mm A',\n L: 'MM/DD/YYYY',\n LL: 'MMMM D, YYYY',\n LLL: 'MMMM D, YYYY h:mm A',\n LLLL: 'dddd, MMMM D, YYYY h:mm A'\n };\n\n function longDateFormat(key) {\n var format = this._longDateFormat[key],\n formatUpper = this._longDateFormat[key.toUpperCase()];\n\n if (format || !formatUpper) {\n return format;\n }\n\n this._longDateFormat[key] = formatUpper.match(formattingTokens).map(function (tok) {\n if (tok === 'MMMM' || tok === 'MM' || tok === 'DD' || tok === 'dddd') {\n return tok.slice(1);\n }\n\n return tok;\n }).join('');\n return this._longDateFormat[key];\n }\n\n var defaultInvalidDate = 'Invalid date';\n\n function invalidDate() {\n return this._invalidDate;\n }\n\n var defaultOrdinal = '%d',\n defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n function ordinal(number) {\n return this._ordinal.replace('%d', number);\n }\n\n var defaultRelativeTime = {\n future: 'in %s',\n past: '%s ago',\n s: 'a few seconds',\n ss: '%d seconds',\n m: 'a minute',\n mm: '%d minutes',\n h: 'an hour',\n hh: '%d hours',\n d: 'a day',\n dd: '%d days',\n w: 'a week',\n ww: '%d weeks',\n M: 'a month',\n MM: '%d months',\n y: 'a year',\n yy: '%d years'\n };\n\n function relativeTime(number, withoutSuffix, string, isFuture) {\n var output = this._relativeTime[string];\n return isFunction(output) ? output(number, withoutSuffix, string, isFuture) : output.replace(/%d/i, number);\n }\n\n function pastFuture(diff, output) {\n var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n }\n\n var aliases = {};\n\n function addUnitAlias(unit, shorthand) {\n var lowerCase = unit.toLowerCase();\n aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n }\n\n function normalizeUnits(units) {\n return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n }\n\n function normalizeObjectUnits(inputObject) {\n var normalizedInput = {},\n normalizedProp,\n prop;\n\n for (prop in inputObject) {\n if (hasOwnProp(inputObject, prop)) {\n normalizedProp = normalizeUnits(prop);\n\n if (normalizedProp) {\n normalizedInput[normalizedProp] = inputObject[prop];\n }\n }\n }\n\n return normalizedInput;\n }\n\n var priorities = {};\n\n function addUnitPriority(unit, priority) {\n priorities[unit] = priority;\n }\n\n function getPrioritizedUnits(unitsObj) {\n var units = [],\n u;\n\n for (u in unitsObj) {\n if (hasOwnProp(unitsObj, u)) {\n units.push({\n unit: u,\n priority: priorities[u]\n });\n }\n }\n\n units.sort(function (a, b) {\n return a.priority - b.priority;\n });\n return units;\n }\n\n function isLeapYear(year) {\n return year % 4 === 0 && year % 100 !== 0 || year % 400 === 0;\n }\n\n function absFloor(number) {\n if (number < 0) {\n // -0 -> 0\n return Math.ceil(number) || 0;\n } else {\n return Math.floor(number);\n }\n }\n\n function toInt(argumentForCoercion) {\n var coercedNumber = +argumentForCoercion,\n value = 0;\n\n if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n value = absFloor(coercedNumber);\n }\n\n return value;\n }\n\n function makeGetSet(unit, keepTime) {\n return function (value) {\n if (value != null) {\n set$1(this, unit, value);\n hooks.updateOffset(this, keepTime);\n return this;\n } else {\n return get(this, unit);\n }\n };\n }\n\n function get(mom, unit) {\n return mom.isValid() ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;\n }\n\n function set$1(mom, unit, value) {\n if (mom.isValid() && !isNaN(value)) {\n if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) {\n value = toInt(value);\n\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month()));\n } else {\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n }\n }\n } // MOMENTS\n\n\n function stringGet(units) {\n units = normalizeUnits(units);\n\n if (isFunction(this[units])) {\n return this[units]();\n }\n\n return this;\n }\n\n function stringSet(units, value) {\n if (typeof units === 'object') {\n units = normalizeObjectUnits(units);\n var prioritized = getPrioritizedUnits(units),\n i;\n\n for (i = 0; i < prioritized.length; i++) {\n this[prioritized[i].unit](units[prioritized[i].unit]);\n }\n } else {\n units = normalizeUnits(units);\n\n if (isFunction(this[units])) {\n return this[units](value);\n }\n }\n\n return this;\n }\n\n var match1 = /\\d/,\n // 0 - 9\n match2 = /\\d\\d/,\n // 00 - 99\n match3 = /\\d{3}/,\n // 000 - 999\n match4 = /\\d{4}/,\n // 0000 - 9999\n match6 = /[+-]?\\d{6}/,\n // -999999 - 999999\n match1to2 = /\\d\\d?/,\n // 0 - 99\n match3to4 = /\\d\\d\\d\\d?/,\n // 999 - 9999\n match5to6 = /\\d\\d\\d\\d\\d\\d?/,\n // 99999 - 999999\n match1to3 = /\\d{1,3}/,\n // 0 - 999\n match1to4 = /\\d{1,4}/,\n // 0 - 9999\n match1to6 = /[+-]?\\d{1,6}/,\n // -999999 - 999999\n matchUnsigned = /\\d+/,\n // 0 - inf\n matchSigned = /[+-]?\\d+/,\n // -inf - inf\n matchOffset = /Z|[+-]\\d\\d:?\\d\\d/gi,\n // +00:00 -00:00 +0000 -0000 or Z\n matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi,\n // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/,\n // 123456789 123456789.123\n // any word (or two) characters or numbers including two/three word month in arabic.\n // includes scottish gaelic two word and hyphenated months\n matchWord = /[0-9]{0,256}['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFF07\\uFF10-\\uFFEF]{1,256}|[\\u0600-\\u06FF\\/]{1,256}(\\s*?[\\u0600-\\u06FF]{1,256}){1,2}/i,\n regexes;\n regexes = {};\n\n function addRegexToken(token, regex, strictRegex) {\n regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {\n return isStrict && strictRegex ? strictRegex : regex;\n };\n }\n\n function getParseRegexForToken(token, config) {\n if (!hasOwnProp(regexes, token)) {\n return new RegExp(unescapeFormat(token));\n }\n\n return regexes[token](config._strict, config._locale);\n } // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n\n\n function unescapeFormat(s) {\n return regexEscape(s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n return p1 || p2 || p3 || p4;\n }));\n }\n\n function regexEscape(s) {\n return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n }\n\n var tokens = {};\n\n function addParseToken(token, callback) {\n var i,\n func = callback;\n\n if (typeof token === 'string') {\n token = [token];\n }\n\n if (isNumber(callback)) {\n func = function func(input, array) {\n array[callback] = toInt(input);\n };\n }\n\n for (i = 0; i < token.length; i++) {\n tokens[token[i]] = func;\n }\n }\n\n function addWeekParseToken(token, callback) {\n addParseToken(token, function (input, array, config, token) {\n config._w = config._w || {};\n callback(input, config._w, config, token);\n });\n }\n\n function addTimeToArrayFromToken(token, input, config) {\n if (input != null && hasOwnProp(tokens, token)) {\n tokens[token](input, config._a, config, token);\n }\n }\n\n var YEAR = 0,\n MONTH = 1,\n DATE = 2,\n HOUR = 3,\n MINUTE = 4,\n SECOND = 5,\n MILLISECOND = 6,\n WEEK = 7,\n WEEKDAY = 8;\n\n function mod(n, x) {\n return (n % x + x) % x;\n }\n\n var indexOf;\n\n if (Array.prototype.indexOf) {\n indexOf = Array.prototype.indexOf;\n } else {\n indexOf = function indexOf(o) {\n // I know\n var i;\n\n for (i = 0; i < this.length; ++i) {\n if (this[i] === o) {\n return i;\n }\n }\n\n return -1;\n };\n }\n\n function daysInMonth(year, month) {\n if (isNaN(year) || isNaN(month)) {\n return NaN;\n }\n\n var modMonth = mod(month, 12);\n year += (month - modMonth) / 12;\n return modMonth === 1 ? isLeapYear(year) ? 29 : 28 : 31 - modMonth % 7 % 2;\n } // FORMATTING\n\n\n addFormatToken('M', ['MM', 2], 'Mo', function () {\n return this.month() + 1;\n });\n addFormatToken('MMM', 0, 0, function (format) {\n return this.localeData().monthsShort(this, format);\n });\n addFormatToken('MMMM', 0, 0, function (format) {\n return this.localeData().months(this, format);\n }); // ALIASES\n\n addUnitAlias('month', 'M'); // PRIORITY\n\n addUnitPriority('month', 8); // PARSING\n\n addRegexToken('M', match1to2);\n addRegexToken('MM', match1to2, match2);\n addRegexToken('MMM', function (isStrict, locale) {\n return locale.monthsShortRegex(isStrict);\n });\n addRegexToken('MMMM', function (isStrict, locale) {\n return locale.monthsRegex(isStrict);\n });\n addParseToken(['M', 'MM'], function (input, array) {\n array[MONTH] = toInt(input) - 1;\n });\n addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n var month = config._locale.monthsParse(input, token, config._strict); // if we didn't find a month name, mark the date as invalid.\n\n\n if (month != null) {\n array[MONTH] = month;\n } else {\n getParsingFlags(config).invalidMonth = input;\n }\n }); // LOCALES\n\n var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),\n defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),\n MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/,\n defaultMonthsShortRegex = matchWord,\n defaultMonthsRegex = matchWord;\n\n function localeMonths(m, format) {\n if (!m) {\n return isArray(this._months) ? this._months : this._months['standalone'];\n }\n\n return isArray(this._months) ? this._months[m.month()] : this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];\n }\n\n function localeMonthsShort(m, format) {\n if (!m) {\n return isArray(this._monthsShort) ? this._monthsShort : this._monthsShort['standalone'];\n }\n\n return isArray(this._monthsShort) ? this._monthsShort[m.month()] : this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];\n }\n\n function handleStrictParse(monthName, format, strict) {\n var i,\n ii,\n mom,\n llc = monthName.toLocaleLowerCase();\n\n if (!this._monthsParse) {\n // this is not used\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n\n for (i = 0; i < 12; ++i) {\n mom = createUTC([2000, i]);\n this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();\n this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n }\n }\n\n if (strict) {\n if (format === 'MMM') {\n ii = indexOf.call(this._shortMonthsParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._longMonthsParse, llc);\n return ii !== -1 ? ii : null;\n }\n } else {\n if (format === 'MMM') {\n ii = indexOf.call(this._shortMonthsParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._longMonthsParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._longMonthsParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._shortMonthsParse, llc);\n return ii !== -1 ? ii : null;\n }\n }\n }\n\n function localeMonthsParse(monthName, format, strict) {\n var i, mom, regex;\n\n if (this._monthsParseExact) {\n return handleStrictParse.call(this, monthName, format, strict);\n }\n\n if (!this._monthsParse) {\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n } // TODO: add sorting\n // Sorting makes sure if one month (or abbr) is a prefix of another\n // see sorting in computeMonthsParse\n\n\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, i]);\n\n if (strict && !this._longMonthsParse[i]) {\n this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n }\n\n if (!strict && !this._monthsParse[i]) {\n regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n } // test the regex\n\n\n if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n return i;\n } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n return i;\n } else if (!strict && this._monthsParse[i].test(monthName)) {\n return i;\n }\n }\n } // MOMENTS\n\n\n function setMonth(mom, value) {\n var dayOfMonth;\n\n if (!mom.isValid()) {\n // No op\n return mom;\n }\n\n if (typeof value === 'string') {\n if (/^\\d+$/.test(value)) {\n value = toInt(value);\n } else {\n value = mom.localeData().monthsParse(value); // TODO: Another silent failure?\n\n if (!isNumber(value)) {\n return mom;\n }\n }\n }\n\n dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n\n return mom;\n }\n\n function getSetMonth(value) {\n if (value != null) {\n setMonth(this, value);\n hooks.updateOffset(this, true);\n return this;\n } else {\n return get(this, 'Month');\n }\n }\n\n function getDaysInMonth() {\n return daysInMonth(this.year(), this.month());\n }\n\n function monthsShortRegex(isStrict) {\n if (this._monthsParseExact) {\n if (!hasOwnProp(this, '_monthsRegex')) {\n computeMonthsParse.call(this);\n }\n\n if (isStrict) {\n return this._monthsShortStrictRegex;\n } else {\n return this._monthsShortRegex;\n }\n } else {\n if (!hasOwnProp(this, '_monthsShortRegex')) {\n this._monthsShortRegex = defaultMonthsShortRegex;\n }\n\n return this._monthsShortStrictRegex && isStrict ? this._monthsShortStrictRegex : this._monthsShortRegex;\n }\n }\n\n function monthsRegex(isStrict) {\n if (this._monthsParseExact) {\n if (!hasOwnProp(this, '_monthsRegex')) {\n computeMonthsParse.call(this);\n }\n\n if (isStrict) {\n return this._monthsStrictRegex;\n } else {\n return this._monthsRegex;\n }\n } else {\n if (!hasOwnProp(this, '_monthsRegex')) {\n this._monthsRegex = defaultMonthsRegex;\n }\n\n return this._monthsStrictRegex && isStrict ? this._monthsStrictRegex : this._monthsRegex;\n }\n }\n\n function computeMonthsParse() {\n function cmpLenRev(a, b) {\n return b.length - a.length;\n }\n\n var shortPieces = [],\n longPieces = [],\n mixedPieces = [],\n i,\n mom;\n\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, i]);\n shortPieces.push(this.monthsShort(mom, ''));\n longPieces.push(this.months(mom, ''));\n mixedPieces.push(this.months(mom, ''));\n mixedPieces.push(this.monthsShort(mom, ''));\n } // Sorting makes sure if one month (or abbr) is a prefix of another it\n // will match the longer piece.\n\n\n shortPieces.sort(cmpLenRev);\n longPieces.sort(cmpLenRev);\n mixedPieces.sort(cmpLenRev);\n\n for (i = 0; i < 12; i++) {\n shortPieces[i] = regexEscape(shortPieces[i]);\n longPieces[i] = regexEscape(longPieces[i]);\n }\n\n for (i = 0; i < 24; i++) {\n mixedPieces[i] = regexEscape(mixedPieces[i]);\n }\n\n this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._monthsShortRegex = this._monthsRegex;\n this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n } // FORMATTING\n\n\n addFormatToken('Y', 0, 0, function () {\n var y = this.year();\n return y <= 9999 ? zeroFill(y, 4) : '+' + y;\n });\n addFormatToken(0, ['YY', 2], 0, function () {\n return this.year() % 100;\n });\n addFormatToken(0, ['YYYY', 4], 0, 'year');\n addFormatToken(0, ['YYYYY', 5], 0, 'year');\n addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); // ALIASES\n\n addUnitAlias('year', 'y'); // PRIORITIES\n\n addUnitPriority('year', 1); // PARSING\n\n addRegexToken('Y', matchSigned);\n addRegexToken('YY', match1to2, match2);\n addRegexToken('YYYY', match1to4, match4);\n addRegexToken('YYYYY', match1to6, match6);\n addRegexToken('YYYYYY', match1to6, match6);\n addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n addParseToken('YYYY', function (input, array) {\n array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n });\n addParseToken('YY', function (input, array) {\n array[YEAR] = hooks.parseTwoDigitYear(input);\n });\n addParseToken('Y', function (input, array) {\n array[YEAR] = parseInt(input, 10);\n }); // HELPERS\n\n function daysInYear(year) {\n return isLeapYear(year) ? 366 : 365;\n } // HOOKS\n\n\n hooks.parseTwoDigitYear = function (input) {\n return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n }; // MOMENTS\n\n\n var getSetYear = makeGetSet('FullYear', true);\n\n function getIsLeapYear() {\n return isLeapYear(this.year());\n }\n\n function createDate(y, m, d, h, M, s, ms) {\n // can't just apply() to create a date:\n // https://stackoverflow.com/q/181348\n var date; // the date constructor remaps years 0-99 to 1900-1999\n\n if (y < 100 && y >= 0) {\n // preserve leap years using a full 400 year cycle, then reset\n date = new Date(y + 400, m, d, h, M, s, ms);\n\n if (isFinite(date.getFullYear())) {\n date.setFullYear(y);\n }\n } else {\n date = new Date(y, m, d, h, M, s, ms);\n }\n\n return date;\n }\n\n function createUTCDate(y) {\n var date, args; // the Date.UTC function remaps years 0-99 to 1900-1999\n\n if (y < 100 && y >= 0) {\n args = Array.prototype.slice.call(arguments); // preserve leap years using a full 400 year cycle, then reset\n\n args[0] = y + 400;\n date = new Date(Date.UTC.apply(null, args));\n\n if (isFinite(date.getUTCFullYear())) {\n date.setUTCFullYear(y);\n }\n } else {\n date = new Date(Date.UTC.apply(null, arguments));\n }\n\n return date;\n } // start-of-first-week - start-of-year\n\n\n function firstWeekOffset(year, dow, doy) {\n var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n fwd = 7 + dow - doy,\n // first-week day local weekday -- which local weekday is fwd\n fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n return -fwdlw + fwd - 1;\n } // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n\n\n function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n var localWeekday = (7 + weekday - dow) % 7,\n weekOffset = firstWeekOffset(year, dow, doy),\n dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n resYear,\n resDayOfYear;\n\n if (dayOfYear <= 0) {\n resYear = year - 1;\n resDayOfYear = daysInYear(resYear) + dayOfYear;\n } else if (dayOfYear > daysInYear(year)) {\n resYear = year + 1;\n resDayOfYear = dayOfYear - daysInYear(year);\n } else {\n resYear = year;\n resDayOfYear = dayOfYear;\n }\n\n return {\n year: resYear,\n dayOfYear: resDayOfYear\n };\n }\n\n function weekOfYear(mom, dow, doy) {\n var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n resWeek,\n resYear;\n\n if (week < 1) {\n resYear = mom.year() - 1;\n resWeek = week + weeksInYear(resYear, dow, doy);\n } else if (week > weeksInYear(mom.year(), dow, doy)) {\n resWeek = week - weeksInYear(mom.year(), dow, doy);\n resYear = mom.year() + 1;\n } else {\n resYear = mom.year();\n resWeek = week;\n }\n\n return {\n week: resWeek,\n year: resYear\n };\n }\n\n function weeksInYear(year, dow, doy) {\n var weekOffset = firstWeekOffset(year, dow, doy),\n weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n } // FORMATTING\n\n\n addFormatToken('w', ['ww', 2], 'wo', 'week');\n addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); // ALIASES\n\n addUnitAlias('week', 'w');\n addUnitAlias('isoWeek', 'W'); // PRIORITIES\n\n addUnitPriority('week', 5);\n addUnitPriority('isoWeek', 5); // PARSING\n\n addRegexToken('w', match1to2);\n addRegexToken('ww', match1to2, match2);\n addRegexToken('W', match1to2);\n addRegexToken('WW', match1to2, match2);\n addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n week[token.substr(0, 1)] = toInt(input);\n }); // HELPERS\n // LOCALES\n\n function localeWeek(mom) {\n return weekOfYear(mom, this._week.dow, this._week.doy).week;\n }\n\n var defaultLocaleWeek = {\n dow: 0,\n // Sunday is the first day of the week.\n doy: 6 // The week that contains Jan 6th is the first week of the year.\n\n };\n\n function localeFirstDayOfWeek() {\n return this._week.dow;\n }\n\n function localeFirstDayOfYear() {\n return this._week.doy;\n } // MOMENTS\n\n\n function getSetWeek(input) {\n var week = this.localeData().week(this);\n return input == null ? week : this.add((input - week) * 7, 'd');\n }\n\n function getSetISOWeek(input) {\n var week = weekOfYear(this, 1, 4).week;\n return input == null ? week : this.add((input - week) * 7, 'd');\n } // FORMATTING\n\n\n addFormatToken('d', 0, 'do', 'day');\n addFormatToken('dd', 0, 0, function (format) {\n return this.localeData().weekdaysMin(this, format);\n });\n addFormatToken('ddd', 0, 0, function (format) {\n return this.localeData().weekdaysShort(this, format);\n });\n addFormatToken('dddd', 0, 0, function (format) {\n return this.localeData().weekdays(this, format);\n });\n addFormatToken('e', 0, 0, 'weekday');\n addFormatToken('E', 0, 0, 'isoWeekday'); // ALIASES\n\n addUnitAlias('day', 'd');\n addUnitAlias('weekday', 'e');\n addUnitAlias('isoWeekday', 'E'); // PRIORITY\n\n addUnitPriority('day', 11);\n addUnitPriority('weekday', 11);\n addUnitPriority('isoWeekday', 11); // PARSING\n\n addRegexToken('d', match1to2);\n addRegexToken('e', match1to2);\n addRegexToken('E', match1to2);\n addRegexToken('dd', function (isStrict, locale) {\n return locale.weekdaysMinRegex(isStrict);\n });\n addRegexToken('ddd', function (isStrict, locale) {\n return locale.weekdaysShortRegex(isStrict);\n });\n addRegexToken('dddd', function (isStrict, locale) {\n return locale.weekdaysRegex(isStrict);\n });\n addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n var weekday = config._locale.weekdaysParse(input, token, config._strict); // if we didn't get a weekday name, mark the date as invalid\n\n\n if (weekday != null) {\n week.d = weekday;\n } else {\n getParsingFlags(config).invalidWeekday = input;\n }\n });\n addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n week[token] = toInt(input);\n }); // HELPERS\n\n function parseWeekday(input, locale) {\n if (typeof input !== 'string') {\n return input;\n }\n\n if (!isNaN(input)) {\n return parseInt(input, 10);\n }\n\n input = locale.weekdaysParse(input);\n\n if (typeof input === 'number') {\n return input;\n }\n\n return null;\n }\n\n function parseIsoWeekday(input, locale) {\n if (typeof input === 'string') {\n return locale.weekdaysParse(input) % 7 || 7;\n }\n\n return isNaN(input) ? null : input;\n } // LOCALES\n\n\n function shiftWeekdays(ws, n) {\n return ws.slice(n, 7).concat(ws.slice(0, n));\n }\n\n var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),\n defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),\n defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),\n defaultWeekdaysRegex = matchWord,\n defaultWeekdaysShortRegex = matchWord,\n defaultWeekdaysMinRegex = matchWord;\n\n function localeWeekdays(m, format) {\n var weekdays = isArray(this._weekdays) ? this._weekdays : this._weekdays[m && m !== true && this._weekdays.isFormat.test(format) ? 'format' : 'standalone'];\n return m === true ? shiftWeekdays(weekdays, this._week.dow) : m ? weekdays[m.day()] : weekdays;\n }\n\n function localeWeekdaysShort(m) {\n return m === true ? shiftWeekdays(this._weekdaysShort, this._week.dow) : m ? this._weekdaysShort[m.day()] : this._weekdaysShort;\n }\n\n function localeWeekdaysMin(m) {\n return m === true ? shiftWeekdays(this._weekdaysMin, this._week.dow) : m ? this._weekdaysMin[m.day()] : this._weekdaysMin;\n }\n\n function handleStrictParse$1(weekdayName, format, strict) {\n var i,\n ii,\n mom,\n llc = weekdayName.toLocaleLowerCase();\n\n if (!this._weekdaysParse) {\n this._weekdaysParse = [];\n this._shortWeekdaysParse = [];\n this._minWeekdaysParse = [];\n\n for (i = 0; i < 7; ++i) {\n mom = createUTC([2000, 1]).day(i);\n this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();\n this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();\n this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n }\n }\n\n if (strict) {\n if (format === 'dddd') {\n ii = indexOf.call(this._weekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else if (format === 'ddd') {\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n }\n } else {\n if (format === 'dddd') {\n ii = indexOf.call(this._weekdaysParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else if (format === 'ddd') {\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._weekdaysParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._minWeekdaysParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._weekdaysParse, llc);\n\n if (ii !== -1) {\n return ii;\n }\n\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n }\n }\n }\n\n function localeWeekdaysParse(weekdayName, format, strict) {\n var i, mom, regex;\n\n if (this._weekdaysParseExact) {\n return handleStrictParse$1.call(this, weekdayName, format, strict);\n }\n\n if (!this._weekdaysParse) {\n this._weekdaysParse = [];\n this._minWeekdaysParse = [];\n this._shortWeekdaysParse = [];\n this._fullWeekdaysParse = [];\n }\n\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, 1]).day(i);\n\n if (strict && !this._fullWeekdaysParse[i]) {\n this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\\\.?') + '$', 'i');\n this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\\\.?') + '$', 'i');\n this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\\\.?') + '$', 'i');\n }\n\n if (!this._weekdaysParse[i]) {\n regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n } // test the regex\n\n\n if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {\n return i;\n } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {\n return i;\n } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {\n return i;\n } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n return i;\n }\n }\n } // MOMENTS\n\n\n function getSetDayOfWeek(input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n\n var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n\n if (input != null) {\n input = parseWeekday(input, this.localeData());\n return this.add(input - day, 'd');\n } else {\n return day;\n }\n }\n\n function getSetLocaleDayOfWeek(input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n\n var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n return input == null ? weekday : this.add(input - weekday, 'd');\n }\n\n function getSetISODayOfWeek(input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n } // behaves the same as moment#day except\n // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n // as a setter, sunday should belong to the previous week.\n\n\n if (input != null) {\n var weekday = parseIsoWeekday(input, this.localeData());\n return this.day(this.day() % 7 ? weekday : weekday - 7);\n } else {\n return this.day() || 7;\n }\n }\n\n function weekdaysRegex(isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n\n if (isStrict) {\n return this._weekdaysStrictRegex;\n } else {\n return this._weekdaysRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n this._weekdaysRegex = defaultWeekdaysRegex;\n }\n\n return this._weekdaysStrictRegex && isStrict ? this._weekdaysStrictRegex : this._weekdaysRegex;\n }\n }\n\n function weekdaysShortRegex(isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n\n if (isStrict) {\n return this._weekdaysShortStrictRegex;\n } else {\n return this._weekdaysShortRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n }\n\n return this._weekdaysShortStrictRegex && isStrict ? this._weekdaysShortStrictRegex : this._weekdaysShortRegex;\n }\n }\n\n function weekdaysMinRegex(isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n\n if (isStrict) {\n return this._weekdaysMinStrictRegex;\n } else {\n return this._weekdaysMinRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n }\n\n return this._weekdaysMinStrictRegex && isStrict ? this._weekdaysMinStrictRegex : this._weekdaysMinRegex;\n }\n }\n\n function computeWeekdaysParse() {\n function cmpLenRev(a, b) {\n return b.length - a.length;\n }\n\n var minPieces = [],\n shortPieces = [],\n longPieces = [],\n mixedPieces = [],\n i,\n mom,\n minp,\n shortp,\n longp;\n\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, 1]).day(i);\n minp = regexEscape(this.weekdaysMin(mom, ''));\n shortp = regexEscape(this.weekdaysShort(mom, ''));\n longp = regexEscape(this.weekdays(mom, ''));\n minPieces.push(minp);\n shortPieces.push(shortp);\n longPieces.push(longp);\n mixedPieces.push(minp);\n mixedPieces.push(shortp);\n mixedPieces.push(longp);\n } // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n // will match the longer piece.\n\n\n minPieces.sort(cmpLenRev);\n shortPieces.sort(cmpLenRev);\n longPieces.sort(cmpLenRev);\n mixedPieces.sort(cmpLenRev);\n this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._weekdaysShortRegex = this._weekdaysRegex;\n this._weekdaysMinRegex = this._weekdaysRegex;\n this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');\n } // FORMATTING\n\n\n function hFormat() {\n return this.hours() % 12 || 12;\n }\n\n function kFormat() {\n return this.hours() || 24;\n }\n\n addFormatToken('H', ['HH', 2], 0, 'hour');\n addFormatToken('h', ['hh', 2], 0, hFormat);\n addFormatToken('k', ['kk', 2], 0, kFormat);\n addFormatToken('hmm', 0, 0, function () {\n return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n });\n addFormatToken('hmmss', 0, 0, function () {\n return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + zeroFill(this.seconds(), 2);\n });\n addFormatToken('Hmm', 0, 0, function () {\n return '' + this.hours() + zeroFill(this.minutes(), 2);\n });\n addFormatToken('Hmmss', 0, 0, function () {\n return '' + this.hours() + zeroFill(this.minutes(), 2) + zeroFill(this.seconds(), 2);\n });\n\n function meridiem(token, lowercase) {\n addFormatToken(token, 0, 0, function () {\n return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n });\n }\n\n meridiem('a', true);\n meridiem('A', false); // ALIASES\n\n addUnitAlias('hour', 'h'); // PRIORITY\n\n addUnitPriority('hour', 13); // PARSING\n\n function matchMeridiem(isStrict, locale) {\n return locale._meridiemParse;\n }\n\n addRegexToken('a', matchMeridiem);\n addRegexToken('A', matchMeridiem);\n addRegexToken('H', match1to2);\n addRegexToken('h', match1to2);\n addRegexToken('k', match1to2);\n addRegexToken('HH', match1to2, match2);\n addRegexToken('hh', match1to2, match2);\n addRegexToken('kk', match1to2, match2);\n addRegexToken('hmm', match3to4);\n addRegexToken('hmmss', match5to6);\n addRegexToken('Hmm', match3to4);\n addRegexToken('Hmmss', match5to6);\n addParseToken(['H', 'HH'], HOUR);\n addParseToken(['k', 'kk'], function (input, array, config) {\n var kInput = toInt(input);\n array[HOUR] = kInput === 24 ? 0 : kInput;\n });\n addParseToken(['a', 'A'], function (input, array, config) {\n config._isPm = config._locale.isPM(input);\n config._meridiem = input;\n });\n addParseToken(['h', 'hh'], function (input, array, config) {\n array[HOUR] = toInt(input);\n getParsingFlags(config).bigHour = true;\n });\n addParseToken('hmm', function (input, array, config) {\n var pos = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos));\n array[MINUTE] = toInt(input.substr(pos));\n getParsingFlags(config).bigHour = true;\n });\n addParseToken('hmmss', function (input, array, config) {\n var pos1 = input.length - 4,\n pos2 = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos1));\n array[MINUTE] = toInt(input.substr(pos1, 2));\n array[SECOND] = toInt(input.substr(pos2));\n getParsingFlags(config).bigHour = true;\n });\n addParseToken('Hmm', function (input, array, config) {\n var pos = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos));\n array[MINUTE] = toInt(input.substr(pos));\n });\n addParseToken('Hmmss', function (input, array, config) {\n var pos1 = input.length - 4,\n pos2 = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos1));\n array[MINUTE] = toInt(input.substr(pos1, 2));\n array[SECOND] = toInt(input.substr(pos2));\n }); // LOCALES\n\n function localeIsPM(input) {\n // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n // Using charAt should be more compatible.\n return (input + '').toLowerCase().charAt(0) === 'p';\n }\n\n var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i,\n // Setting the hour should keep the time, because the user explicitly\n // specified which hour they want. So trying to maintain the same hour (in\n // a new timezone) makes sense. Adding/subtracting hours does not follow\n // this rule.\n getSetHour = makeGetSet('Hours', true);\n\n function localeMeridiem(hours, minutes, isLower) {\n if (hours > 11) {\n return isLower ? 'pm' : 'PM';\n } else {\n return isLower ? 'am' : 'AM';\n }\n }\n\n var baseConfig = {\n calendar: defaultCalendar,\n longDateFormat: defaultLongDateFormat,\n invalidDate: defaultInvalidDate,\n ordinal: defaultOrdinal,\n dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n relativeTime: defaultRelativeTime,\n months: defaultLocaleMonths,\n monthsShort: defaultLocaleMonthsShort,\n week: defaultLocaleWeek,\n weekdays: defaultLocaleWeekdays,\n weekdaysMin: defaultLocaleWeekdaysMin,\n weekdaysShort: defaultLocaleWeekdaysShort,\n meridiemParse: defaultLocaleMeridiemParse\n }; // internal storage for locale config files\n\n var locales = {},\n localeFamilies = {},\n globalLocale;\n\n function commonPrefix(arr1, arr2) {\n var i,\n minl = Math.min(arr1.length, arr2.length);\n\n for (i = 0; i < minl; i += 1) {\n if (arr1[i] !== arr2[i]) {\n return i;\n }\n }\n\n return minl;\n }\n\n function normalizeLocale(key) {\n return key ? key.toLowerCase().replace('_', '-') : key;\n } // pick the locale from the array\n // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n\n\n function chooseLocale(names) {\n var i = 0,\n j,\n next,\n locale,\n split;\n\n while (i < names.length) {\n split = normalizeLocale(names[i]).split('-');\n j = split.length;\n next = normalizeLocale(names[i + 1]);\n next = next ? next.split('-') : null;\n\n while (j > 0) {\n locale = loadLocale(split.slice(0, j).join('-'));\n\n if (locale) {\n return locale;\n }\n\n if (next && next.length >= j && commonPrefix(split, next) >= j - 1) {\n //the next array item is better than a shallower substring of this one\n break;\n }\n\n j--;\n }\n\n i++;\n }\n\n return globalLocale;\n }\n\n function loadLocale(name) {\n var oldLocale = null,\n aliasedRequire; // TODO: Find a better way to register and load all the locales in Node\n\n if (locales[name] === undefined && typeof module !== 'undefined' && module && module.exports) {\n try {\n oldLocale = globalLocale._abbr;\n aliasedRequire = require;\n aliasedRequire('./locale/' + name);\n getSetGlobalLocale(oldLocale);\n } catch (e) {\n // mark as not found to avoid repeating expensive file require call causing high CPU\n // when trying to find en-US, en_US, en-us for every format call\n locales[name] = null; // null means not found\n }\n }\n\n return locales[name];\n } // This function will load locale and then set the global locale. If\n // no arguments are passed in, it will simply return the current global\n // locale key.\n\n\n function getSetGlobalLocale(key, values) {\n var data;\n\n if (key) {\n if (isUndefined(values)) {\n data = getLocale(key);\n } else {\n data = defineLocale(key, values);\n }\n\n if (data) {\n // moment.duration._locale = moment._locale = data;\n globalLocale = data;\n } else {\n if (typeof console !== 'undefined' && console.warn) {\n //warn user if arguments are passed but the locale could not be set\n console.warn('Locale ' + key + ' not found. Did you forget to load it?');\n }\n }\n }\n\n return globalLocale._abbr;\n }\n\n function defineLocale(name, config) {\n if (config !== null) {\n var locale,\n parentConfig = baseConfig;\n config.abbr = name;\n\n if (locales[name] != null) {\n deprecateSimple('defineLocaleOverride', 'use moment.updateLocale(localeName, config) to change ' + 'an existing locale. moment.defineLocale(localeName, ' + 'config) should only be used for creating a new locale ' + 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');\n parentConfig = locales[name]._config;\n } else if (config.parentLocale != null) {\n if (locales[config.parentLocale] != null) {\n parentConfig = locales[config.parentLocale]._config;\n } else {\n locale = loadLocale(config.parentLocale);\n\n if (locale != null) {\n parentConfig = locale._config;\n } else {\n if (!localeFamilies[config.parentLocale]) {\n localeFamilies[config.parentLocale] = [];\n }\n\n localeFamilies[config.parentLocale].push({\n name: name,\n config: config\n });\n return null;\n }\n }\n }\n\n locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n if (localeFamilies[name]) {\n localeFamilies[name].forEach(function (x) {\n defineLocale(x.name, x.config);\n });\n } // backwards compat for now: also set the locale\n // make sure we set the locale AFTER all child locales have been\n // created, so we won't end up with the child locale set.\n\n\n getSetGlobalLocale(name);\n return locales[name];\n } else {\n // useful for testing\n delete locales[name];\n return null;\n }\n }\n\n function updateLocale(name, config) {\n if (config != null) {\n var locale,\n tmpLocale,\n parentConfig = baseConfig;\n\n if (locales[name] != null && locales[name].parentLocale != null) {\n // Update existing child locale in-place to avoid memory-leaks\n locales[name].set(mergeConfigs(locales[name]._config, config));\n } else {\n // MERGE\n tmpLocale = loadLocale(name);\n\n if (tmpLocale != null) {\n parentConfig = tmpLocale._config;\n }\n\n config = mergeConfigs(parentConfig, config);\n\n if (tmpLocale == null) {\n // updateLocale is called for creating a new locale\n // Set abbr so it will have a name (getters return\n // undefined otherwise).\n config.abbr = name;\n }\n\n locale = new Locale(config);\n locale.parentLocale = locales[name];\n locales[name] = locale;\n } // backwards compat for now: also set the locale\n\n\n getSetGlobalLocale(name);\n } else {\n // pass null for config to unupdate, useful for tests\n if (locales[name] != null) {\n if (locales[name].parentLocale != null) {\n locales[name] = locales[name].parentLocale;\n\n if (name === getSetGlobalLocale()) {\n getSetGlobalLocale(name);\n }\n } else if (locales[name] != null) {\n delete locales[name];\n }\n }\n }\n\n return locales[name];\n } // returns locale data\n\n\n function getLocale(key) {\n var locale;\n\n if (key && key._locale && key._locale._abbr) {\n key = key._locale._abbr;\n }\n\n if (!key) {\n return globalLocale;\n }\n\n if (!isArray(key)) {\n //short-circuit everything else\n locale = loadLocale(key);\n\n if (locale) {\n return locale;\n }\n\n key = [key];\n }\n\n return chooseLocale(key);\n }\n\n function listLocales() {\n return keys(locales);\n }\n\n function checkOverflow(m) {\n var overflow,\n a = m._a;\n\n if (a && getParsingFlags(m).overflow === -2) {\n overflow = a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : a[HOUR] < 0 || a[HOUR] > 24 || a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0) ? HOUR : a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : -1;\n\n if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n overflow = DATE;\n }\n\n if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n overflow = WEEK;\n }\n\n if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n overflow = WEEKDAY;\n }\n\n getParsingFlags(m).overflow = overflow;\n }\n\n return m;\n } // iso 8601 regex\n // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n\n\n var extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([+-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/,\n basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d|))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([+-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/,\n tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/,\n isoDates = [['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/], ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/], ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/], ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false], ['YYYY-DDD', /\\d{4}-\\d{3}/], ['YYYY-MM', /\\d{4}-\\d\\d/, false], ['YYYYYYMMDD', /[+-]\\d{10}/], ['YYYYMMDD', /\\d{8}/], ['GGGG[W]WWE', /\\d{4}W\\d{3}/], ['GGGG[W]WW', /\\d{4}W\\d{2}/, false], ['YYYYDDD', /\\d{7}/], ['YYYYMM', /\\d{6}/, false], ['YYYY', /\\d{4}/, false]],\n // iso time formats and regexes\n isoTimes = [['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/], ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/], ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/], ['HH:mm', /\\d\\d:\\d\\d/], ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/], ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/], ['HHmmss', /\\d\\d\\d\\d\\d\\d/], ['HHmm', /\\d\\d\\d\\d/], ['HH', /\\d\\d/]],\n aspNetJsonRegex = /^\\/?Date\\((-?\\d+)/i,\n // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d{1,2})\\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(\\d{2,4})\\s(\\d\\d):(\\d\\d)(?::(\\d\\d))?\\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\\d{4}))$/,\n obsOffsets = {\n UT: 0,\n GMT: 0,\n EDT: -4 * 60,\n EST: -5 * 60,\n CDT: -5 * 60,\n CST: -6 * 60,\n MDT: -6 * 60,\n MST: -7 * 60,\n PDT: -7 * 60,\n PST: -8 * 60\n }; // date from iso format\n\n function configFromISO(config) {\n var i,\n l,\n string = config._i,\n match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n allowTime,\n dateFormat,\n timeFormat,\n tzFormat;\n\n if (match) {\n getParsingFlags(config).iso = true;\n\n for (i = 0, l = isoDates.length; i < l; i++) {\n if (isoDates[i][1].exec(match[1])) {\n dateFormat = isoDates[i][0];\n allowTime = isoDates[i][2] !== false;\n break;\n }\n }\n\n if (dateFormat == null) {\n config._isValid = false;\n return;\n }\n\n if (match[3]) {\n for (i = 0, l = isoTimes.length; i < l; i++) {\n if (isoTimes[i][1].exec(match[3])) {\n // match[2] should be 'T' or space\n timeFormat = (match[2] || ' ') + isoTimes[i][0];\n break;\n }\n }\n\n if (timeFormat == null) {\n config._isValid = false;\n return;\n }\n }\n\n if (!allowTime && timeFormat != null) {\n config._isValid = false;\n return;\n }\n\n if (match[4]) {\n if (tzRegex.exec(match[4])) {\n tzFormat = 'Z';\n } else {\n config._isValid = false;\n return;\n }\n }\n\n config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n configFromStringAndFormat(config);\n } else {\n config._isValid = false;\n }\n }\n\n function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) {\n var result = [untruncateYear(yearStr), defaultLocaleMonthsShort.indexOf(monthStr), parseInt(dayStr, 10), parseInt(hourStr, 10), parseInt(minuteStr, 10)];\n\n if (secondStr) {\n result.push(parseInt(secondStr, 10));\n }\n\n return result;\n }\n\n function untruncateYear(yearStr) {\n var year = parseInt(yearStr, 10);\n\n if (year <= 49) {\n return 2000 + year;\n } else if (year <= 999) {\n return 1900 + year;\n }\n\n return year;\n }\n\n function preprocessRFC2822(s) {\n // Remove comments and folding whitespace and replace multiple-spaces with a single space\n return s.replace(/\\([^)]*\\)|[\\n\\t]/g, ' ').replace(/(\\s\\s+)/g, ' ').replace(/^\\s\\s*/, '').replace(/\\s\\s*$/, '');\n }\n\n function checkWeekday(weekdayStr, parsedInput, config) {\n if (weekdayStr) {\n // TODO: Replace the vanilla JS Date object with an independent day-of-week check.\n var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),\n weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay();\n\n if (weekdayProvided !== weekdayActual) {\n getParsingFlags(config).weekdayMismatch = true;\n config._isValid = false;\n return false;\n }\n }\n\n return true;\n }\n\n function calculateOffset(obsOffset, militaryOffset, numOffset) {\n if (obsOffset) {\n return obsOffsets[obsOffset];\n } else if (militaryOffset) {\n // the only allowed military tz is Z\n return 0;\n } else {\n var hm = parseInt(numOffset, 10),\n m = hm % 100,\n h = (hm - m) / 100;\n return h * 60 + m;\n }\n } // date and time from ref 2822 format\n\n\n function configFromRFC2822(config) {\n var match = rfc2822.exec(preprocessRFC2822(config._i)),\n parsedArray;\n\n if (match) {\n parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]);\n\n if (!checkWeekday(match[1], parsedArray, config)) {\n return;\n }\n\n config._a = parsedArray;\n config._tzm = calculateOffset(match[8], match[9], match[10]);\n config._d = createUTCDate.apply(null, config._a);\n\n config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n\n getParsingFlags(config).rfc2822 = true;\n } else {\n config._isValid = false;\n }\n } // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict\n\n\n function configFromString(config) {\n var matched = aspNetJsonRegex.exec(config._i);\n\n if (matched !== null) {\n config._d = new Date(+matched[1]);\n return;\n }\n\n configFromISO(config);\n\n if (config._isValid === false) {\n delete config._isValid;\n } else {\n return;\n }\n\n configFromRFC2822(config);\n\n if (config._isValid === false) {\n delete config._isValid;\n } else {\n return;\n }\n\n if (config._strict) {\n config._isValid = false;\n } else {\n // Final attempt, use Input Fallback\n hooks.createFromInputFallback(config);\n }\n }\n\n hooks.createFromInputFallback = deprecate('value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + 'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.', function (config) {\n config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n }); // Pick the first defined of two or three arguments.\n\n function defaults(a, b, c) {\n if (a != null) {\n return a;\n }\n\n if (b != null) {\n return b;\n }\n\n return c;\n }\n\n function currentDateArray(config) {\n // hooks is actually the exported moment object\n var nowValue = new Date(hooks.now());\n\n if (config._useUTC) {\n return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];\n }\n\n return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n } // convert an array to a date.\n // the array should mirror the parameters below\n // note: all values past the year are optional and will default to the lowest possible value.\n // [year, month, day , hour, minute, second, millisecond]\n\n\n function configFromArray(config) {\n var i,\n date,\n input = [],\n currentDate,\n expectedWeekday,\n yearToUse;\n\n if (config._d) {\n return;\n }\n\n currentDate = currentDateArray(config); //compute day of the year from weeks and weekdays\n\n if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n dayOfYearFromWeekInfo(config);\n } //if the day of the year is set, figure out what it is\n\n\n if (config._dayOfYear != null) {\n yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {\n getParsingFlags(config)._overflowDayOfYear = true;\n }\n\n date = createUTCDate(yearToUse, 0, config._dayOfYear);\n config._a[MONTH] = date.getUTCMonth();\n config._a[DATE] = date.getUTCDate();\n } // Default to current date.\n // * if no year, month, day of month are given, default to today\n // * if day of month is given, default month and year\n // * if month is given, default only year\n // * if year is given, don't default anything\n\n\n for (i = 0; i < 3 && config._a[i] == null; ++i) {\n config._a[i] = input[i] = currentDate[i];\n } // Zero out whatever was not defaulted, including time\n\n\n for (; i < 7; i++) {\n config._a[i] = input[i] = config._a[i] == null ? i === 2 ? 1 : 0 : config._a[i];\n } // Check for 24:00:00.000\n\n\n if (config._a[HOUR] === 24 && config._a[MINUTE] === 0 && config._a[SECOND] === 0 && config._a[MILLISECOND] === 0) {\n config._nextDay = true;\n config._a[HOUR] = 0;\n }\n\n config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); // Apply timezone offset from input. The actual utcOffset can be changed\n // with parseZone.\n\n if (config._tzm != null) {\n config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n }\n\n if (config._nextDay) {\n config._a[HOUR] = 24;\n } // check for mismatching day of week\n\n\n if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) {\n getParsingFlags(config).weekdayMismatch = true;\n }\n }\n\n function dayOfYearFromWeekInfo(config) {\n var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek;\n w = config._w;\n\n if (w.GG != null || w.W != null || w.E != null) {\n dow = 1;\n doy = 4; // TODO: We need to take the current isoWeekYear, but that depends on\n // how we interpret now (local, utc, fixed offset). So create\n // a now version of current config (take local/utc/offset flags, and\n // create now).\n\n weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);\n week = defaults(w.W, 1);\n weekday = defaults(w.E, 1);\n\n if (weekday < 1 || weekday > 7) {\n weekdayOverflow = true;\n }\n } else {\n dow = config._locale._week.dow;\n doy = config._locale._week.doy;\n curWeek = weekOfYear(createLocal(), dow, doy);\n weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); // Default to current week.\n\n week = defaults(w.w, curWeek.week);\n\n if (w.d != null) {\n // weekday -- low day numbers are considered next week\n weekday = w.d;\n\n if (weekday < 0 || weekday > 6) {\n weekdayOverflow = true;\n }\n } else if (w.e != null) {\n // local weekday -- counting starts from beginning of week\n weekday = w.e + dow;\n\n if (w.e < 0 || w.e > 6) {\n weekdayOverflow = true;\n }\n } else {\n // default to beginning of week\n weekday = dow;\n }\n }\n\n if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n getParsingFlags(config)._overflowWeeks = true;\n } else if (weekdayOverflow != null) {\n getParsingFlags(config)._overflowWeekday = true;\n } else {\n temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n config._a[YEAR] = temp.year;\n config._dayOfYear = temp.dayOfYear;\n }\n } // constant that refers to the ISO standard\n\n\n hooks.ISO_8601 = function () {}; // constant that refers to the RFC 2822 form\n\n\n hooks.RFC_2822 = function () {}; // date from string and format string\n\n\n function configFromStringAndFormat(config) {\n // TODO: Move this to another part of the creation flow to prevent circular deps\n if (config._f === hooks.ISO_8601) {\n configFromISO(config);\n return;\n }\n\n if (config._f === hooks.RFC_2822) {\n configFromRFC2822(config);\n return;\n }\n\n config._a = [];\n getParsingFlags(config).empty = true; // This array is used to make a Date, either with `new Date` or `Date.UTC`\n\n var string = '' + config._i,\n i,\n parsedInput,\n tokens,\n token,\n skipped,\n stringLength = string.length,\n totalParsedInputLength = 0,\n era;\n tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n for (i = 0; i < tokens.length; i++) {\n token = tokens[i];\n parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n\n if (parsedInput) {\n skipped = string.substr(0, string.indexOf(parsedInput));\n\n if (skipped.length > 0) {\n getParsingFlags(config).unusedInput.push(skipped);\n }\n\n string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n totalParsedInputLength += parsedInput.length;\n } // don't parse if it's not a known token\n\n\n if (formatTokenFunctions[token]) {\n if (parsedInput) {\n getParsingFlags(config).empty = false;\n } else {\n getParsingFlags(config).unusedTokens.push(token);\n }\n\n addTimeToArrayFromToken(token, parsedInput, config);\n } else if (config._strict && !parsedInput) {\n getParsingFlags(config).unusedTokens.push(token);\n }\n } // add remaining unparsed input length to the string\n\n\n getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n\n if (string.length > 0) {\n getParsingFlags(config).unusedInput.push(string);\n } // clear _12h flag if hour is <= 12\n\n\n if (config._a[HOUR] <= 12 && getParsingFlags(config).bigHour === true && config._a[HOUR] > 0) {\n getParsingFlags(config).bigHour = undefined;\n }\n\n getParsingFlags(config).parsedDateParts = config._a.slice(0);\n getParsingFlags(config).meridiem = config._meridiem; // handle meridiem\n\n config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); // handle era\n\n era = getParsingFlags(config).era;\n\n if (era !== null) {\n config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]);\n }\n\n configFromArray(config);\n checkOverflow(config);\n }\n\n function meridiemFixWrap(locale, hour, meridiem) {\n var isPm;\n\n if (meridiem == null) {\n // nothing to do\n return hour;\n }\n\n if (locale.meridiemHour != null) {\n return locale.meridiemHour(hour, meridiem);\n } else if (locale.isPM != null) {\n // Fallback\n isPm = locale.isPM(meridiem);\n\n if (isPm && hour < 12) {\n hour += 12;\n }\n\n if (!isPm && hour === 12) {\n hour = 0;\n }\n\n return hour;\n } else {\n // this is not supposed to happen\n return hour;\n }\n } // date from string and array of format strings\n\n\n function configFromStringAndArray(config) {\n var tempConfig,\n bestMoment,\n scoreToBeat,\n i,\n currentScore,\n validFormatFound,\n bestFormatIsValid = false;\n\n if (config._f.length === 0) {\n getParsingFlags(config).invalidFormat = true;\n config._d = new Date(NaN);\n return;\n }\n\n for (i = 0; i < config._f.length; i++) {\n currentScore = 0;\n validFormatFound = false;\n tempConfig = copyConfig({}, config);\n\n if (config._useUTC != null) {\n tempConfig._useUTC = config._useUTC;\n }\n\n tempConfig._f = config._f[i];\n configFromStringAndFormat(tempConfig);\n\n if (isValid(tempConfig)) {\n validFormatFound = true;\n } // if there is any input that was not parsed add a penalty for that format\n\n\n currentScore += getParsingFlags(tempConfig).charsLeftOver; //or tokens\n\n currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n getParsingFlags(tempConfig).score = currentScore;\n\n if (!bestFormatIsValid) {\n if (scoreToBeat == null || currentScore < scoreToBeat || validFormatFound) {\n scoreToBeat = currentScore;\n bestMoment = tempConfig;\n\n if (validFormatFound) {\n bestFormatIsValid = true;\n }\n }\n } else {\n if (currentScore < scoreToBeat) {\n scoreToBeat = currentScore;\n bestMoment = tempConfig;\n }\n }\n }\n\n extend(config, bestMoment || tempConfig);\n }\n\n function configFromObject(config) {\n if (config._d) {\n return;\n }\n\n var i = normalizeObjectUnits(config._i),\n dayOrDate = i.day === undefined ? i.date : i.day;\n config._a = map([i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond], function (obj) {\n return obj && parseInt(obj, 10);\n });\n configFromArray(config);\n }\n\n function createFromConfig(config) {\n var res = new Moment(checkOverflow(prepareConfig(config)));\n\n if (res._nextDay) {\n // Adding is smart enough around DST\n res.add(1, 'd');\n res._nextDay = undefined;\n }\n\n return res;\n }\n\n function prepareConfig(config) {\n var input = config._i,\n format = config._f;\n config._locale = config._locale || getLocale(config._l);\n\n if (input === null || format === undefined && input === '') {\n return createInvalid({\n nullInput: true\n });\n }\n\n if (typeof input === 'string') {\n config._i = input = config._locale.preparse(input);\n }\n\n if (isMoment(input)) {\n return new Moment(checkOverflow(input));\n } else if (isDate(input)) {\n config._d = input;\n } else if (isArray(format)) {\n configFromStringAndArray(config);\n } else if (format) {\n configFromStringAndFormat(config);\n } else {\n configFromInput(config);\n }\n\n if (!isValid(config)) {\n config._d = null;\n }\n\n return config;\n }\n\n function configFromInput(config) {\n var input = config._i;\n\n if (isUndefined(input)) {\n config._d = new Date(hooks.now());\n } else if (isDate(input)) {\n config._d = new Date(input.valueOf());\n } else if (typeof input === 'string') {\n configFromString(config);\n } else if (isArray(input)) {\n config._a = map(input.slice(0), function (obj) {\n return parseInt(obj, 10);\n });\n configFromArray(config);\n } else if (isObject(input)) {\n configFromObject(config);\n } else if (isNumber(input)) {\n // from milliseconds\n config._d = new Date(input);\n } else {\n hooks.createFromInputFallback(config);\n }\n }\n\n function createLocalOrUTC(input, format, locale, strict, isUTC) {\n var c = {};\n\n if (format === true || format === false) {\n strict = format;\n format = undefined;\n }\n\n if (locale === true || locale === false) {\n strict = locale;\n locale = undefined;\n }\n\n if (isObject(input) && isObjectEmpty(input) || isArray(input) && input.length === 0) {\n input = undefined;\n } // object construction must be done this way.\n // https://github.com/moment/moment/issues/1423\n\n\n c._isAMomentObject = true;\n c._useUTC = c._isUTC = isUTC;\n c._l = locale;\n c._i = input;\n c._f = format;\n c._strict = strict;\n return createFromConfig(c);\n }\n\n function createLocal(input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, false);\n }\n\n var prototypeMin = deprecate('moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', function () {\n var other = createLocal.apply(null, arguments);\n\n if (this.isValid() && other.isValid()) {\n return other < this ? this : other;\n } else {\n return createInvalid();\n }\n }),\n prototypeMax = deprecate('moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', function () {\n var other = createLocal.apply(null, arguments);\n\n if (this.isValid() && other.isValid()) {\n return other > this ? this : other;\n } else {\n return createInvalid();\n }\n }); // Pick a moment m from moments so that m[fn](other) is true for all\n // other. This relies on the function fn to be transitive.\n //\n // moments should either be an array of moment objects or an array, whose\n // first element is an array of moment objects.\n\n function pickBy(fn, moments) {\n var res, i;\n\n if (moments.length === 1 && isArray(moments[0])) {\n moments = moments[0];\n }\n\n if (!moments.length) {\n return createLocal();\n }\n\n res = moments[0];\n\n for (i = 1; i < moments.length; ++i) {\n if (!moments[i].isValid() || moments[i][fn](res)) {\n res = moments[i];\n }\n }\n\n return res;\n } // TODO: Use [].sort instead?\n\n\n function min() {\n var args = [].slice.call(arguments, 0);\n return pickBy('isBefore', args);\n }\n\n function max() {\n var args = [].slice.call(arguments, 0);\n return pickBy('isAfter', args);\n }\n\n var now = function now() {\n return Date.now ? Date.now() : +new Date();\n };\n\n var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];\n\n function isDurationValid(m) {\n var key,\n unitHasDecimal = false,\n i;\n\n for (key in m) {\n if (hasOwnProp(m, key) && !(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) {\n return false;\n }\n }\n\n for (i = 0; i < ordering.length; ++i) {\n if (m[ordering[i]]) {\n if (unitHasDecimal) {\n return false; // only allow non-integers for smallest unit\n }\n\n if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n unitHasDecimal = true;\n }\n }\n }\n\n return true;\n }\n\n function isValid$1() {\n return this._isValid;\n }\n\n function createInvalid$1() {\n return createDuration(NaN);\n }\n\n function Duration(duration) {\n var normalizedInput = normalizeObjectUnits(duration),\n years = normalizedInput.year || 0,\n quarters = normalizedInput.quarter || 0,\n months = normalizedInput.month || 0,\n weeks = normalizedInput.week || normalizedInput.isoWeek || 0,\n days = normalizedInput.day || 0,\n hours = normalizedInput.hour || 0,\n minutes = normalizedInput.minute || 0,\n seconds = normalizedInput.second || 0,\n milliseconds = normalizedInput.millisecond || 0;\n this._isValid = isDurationValid(normalizedInput); // representation for dateAddRemove\n\n this._milliseconds = +milliseconds + seconds * 1e3 + // 1000\n minutes * 6e4 + // 1000 * 60\n hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n // Because of dateAddRemove treats 24 hours as different from a\n // day when working around DST, we need to store them separately\n\n this._days = +days + weeks * 7; // It is impossible to translate months into days without knowing\n // which months you are are talking about, so we have to store\n // it separately.\n\n this._months = +months + quarters * 3 + years * 12;\n this._data = {};\n this._locale = getLocale();\n\n this._bubble();\n }\n\n function isDuration(obj) {\n return obj instanceof Duration;\n }\n\n function absRound(number) {\n if (number < 0) {\n return Math.round(-1 * number) * -1;\n } else {\n return Math.round(number);\n }\n } // compare two arrays, return the number of differences\n\n\n function compareArrays(array1, array2, dontConvert) {\n var len = Math.min(array1.length, array2.length),\n lengthDiff = Math.abs(array1.length - array2.length),\n diffs = 0,\n i;\n\n for (i = 0; i < len; i++) {\n if (dontConvert && array1[i] !== array2[i] || !dontConvert && toInt(array1[i]) !== toInt(array2[i])) {\n diffs++;\n }\n }\n\n return diffs + lengthDiff;\n } // FORMATTING\n\n\n function offset(token, separator) {\n addFormatToken(token, 0, 0, function () {\n var offset = this.utcOffset(),\n sign = '+';\n\n if (offset < 0) {\n offset = -offset;\n sign = '-';\n }\n\n return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~offset % 60, 2);\n });\n }\n\n offset('Z', ':');\n offset('ZZ', ''); // PARSING\n\n addRegexToken('Z', matchShortOffset);\n addRegexToken('ZZ', matchShortOffset);\n addParseToken(['Z', 'ZZ'], function (input, array, config) {\n config._useUTC = true;\n config._tzm = offsetFromString(matchShortOffset, input);\n }); // HELPERS\n // timezone chunker\n // '+10:00' > ['10', '00']\n // '-1530' > ['-15', '30']\n\n var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n function offsetFromString(matcher, string) {\n var matches = (string || '').match(matcher),\n chunk,\n parts,\n minutes;\n\n if (matches === null) {\n return null;\n }\n\n chunk = matches[matches.length - 1] || [];\n parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n minutes = +(parts[1] * 60) + toInt(parts[2]);\n return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes;\n } // Return a moment from input, that is local/utc/zone equivalent to model.\n\n\n function cloneWithOffset(input, model) {\n var res, diff;\n\n if (model._isUTC) {\n res = model.clone();\n diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); // Use low-level api, because this fn is low-level api.\n\n res._d.setTime(res._d.valueOf() + diff);\n\n hooks.updateOffset(res, false);\n return res;\n } else {\n return createLocal(input).local();\n }\n }\n\n function getDateOffset(m) {\n // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n // https://github.com/moment/moment/pull/1871\n return -Math.round(m._d.getTimezoneOffset());\n } // HOOKS\n // This function will be called whenever a moment is mutated.\n // It is intended to keep the offset in sync with the timezone.\n\n\n hooks.updateOffset = function () {}; // MOMENTS\n // keepLocalTime = true means only change the timezone, without\n // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n // +0200, so we adjust the time as needed, to be valid.\n //\n // Keeping the time actually adds/subtracts (one hour)\n // from the actual represented time. That is why we call updateOffset\n // a second time. In case it wants us to change the offset again\n // _changeInProgress == true case, then we have to adjust, because\n // there is no such time in the given timezone.\n\n\n function getSetOffset(input, keepLocalTime, keepMinutes) {\n var offset = this._offset || 0,\n localAdjust;\n\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n\n if (input != null) {\n if (typeof input === 'string') {\n input = offsetFromString(matchShortOffset, input);\n\n if (input === null) {\n return this;\n }\n } else if (Math.abs(input) < 16 && !keepMinutes) {\n input = input * 60;\n }\n\n if (!this._isUTC && keepLocalTime) {\n localAdjust = getDateOffset(this);\n }\n\n this._offset = input;\n this._isUTC = true;\n\n if (localAdjust != null) {\n this.add(localAdjust, 'm');\n }\n\n if (offset !== input) {\n if (!keepLocalTime || this._changeInProgress) {\n addSubtract(this, createDuration(input - offset, 'm'), 1, false);\n } else if (!this._changeInProgress) {\n this._changeInProgress = true;\n hooks.updateOffset(this, true);\n this._changeInProgress = null;\n }\n }\n\n return this;\n } else {\n return this._isUTC ? offset : getDateOffset(this);\n }\n }\n\n function getSetZone(input, keepLocalTime) {\n if (input != null) {\n if (typeof input !== 'string') {\n input = -input;\n }\n\n this.utcOffset(input, keepLocalTime);\n return this;\n } else {\n return -this.utcOffset();\n }\n }\n\n function setOffsetToUTC(keepLocalTime) {\n return this.utcOffset(0, keepLocalTime);\n }\n\n function setOffsetToLocal(keepLocalTime) {\n if (this._isUTC) {\n this.utcOffset(0, keepLocalTime);\n this._isUTC = false;\n\n if (keepLocalTime) {\n this.subtract(getDateOffset(this), 'm');\n }\n }\n\n return this;\n }\n\n function setOffsetToParsedOffset() {\n if (this._tzm != null) {\n this.utcOffset(this._tzm, false, true);\n } else if (typeof this._i === 'string') {\n var tZone = offsetFromString(matchOffset, this._i);\n\n if (tZone != null) {\n this.utcOffset(tZone);\n } else {\n this.utcOffset(0, true);\n }\n }\n\n return this;\n }\n\n function hasAlignedHourOffset(input) {\n if (!this.isValid()) {\n return false;\n }\n\n input = input ? createLocal(input).utcOffset() : 0;\n return (this.utcOffset() - input) % 60 === 0;\n }\n\n function isDaylightSavingTime() {\n return this.utcOffset() > this.clone().month(0).utcOffset() || this.utcOffset() > this.clone().month(5).utcOffset();\n }\n\n function isDaylightSavingTimeShifted() {\n if (!isUndefined(this._isDSTShifted)) {\n return this._isDSTShifted;\n }\n\n var c = {},\n other;\n copyConfig(c, this);\n c = prepareConfig(c);\n\n if (c._a) {\n other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n this._isDSTShifted = this.isValid() && compareArrays(c._a, other.toArray()) > 0;\n } else {\n this._isDSTShifted = false;\n }\n\n return this._isDSTShifted;\n }\n\n function isLocal() {\n return this.isValid() ? !this._isUTC : false;\n }\n\n function isUtcOffset() {\n return this.isValid() ? this._isUTC : false;\n }\n\n function isUtc() {\n return this.isValid() ? this._isUTC && this._offset === 0 : false;\n } // ASP.NET json date format regex\n\n\n var aspNetRegex = /^(-|\\+)?(?:(\\d*)[. ])?(\\d+):(\\d+)(?::(\\d+)(\\.\\d*)?)?$/,\n // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n // and further modified to allow for strings containing both week and day\n isoRegex = /^(-|\\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;\n\n function createDuration(input, key) {\n var duration = input,\n // matching against regexp is expensive, do it on demand\n match = null,\n sign,\n ret,\n diffRes;\n\n if (isDuration(input)) {\n duration = {\n ms: input._milliseconds,\n d: input._days,\n M: input._months\n };\n } else if (isNumber(input) || !isNaN(+input)) {\n duration = {};\n\n if (key) {\n duration[key] = +input;\n } else {\n duration.milliseconds = +input;\n }\n } else if (match = aspNetRegex.exec(input)) {\n sign = match[1] === '-' ? -1 : 1;\n duration = {\n y: 0,\n d: toInt(match[DATE]) * sign,\n h: toInt(match[HOUR]) * sign,\n m: toInt(match[MINUTE]) * sign,\n s: toInt(match[SECOND]) * sign,\n ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match\n\n };\n } else if (match = isoRegex.exec(input)) {\n sign = match[1] === '-' ? -1 : 1;\n duration = {\n y: parseIso(match[2], sign),\n M: parseIso(match[3], sign),\n w: parseIso(match[4], sign),\n d: parseIso(match[5], sign),\n h: parseIso(match[6], sign),\n m: parseIso(match[7], sign),\n s: parseIso(match[8], sign)\n };\n } else if (duration == null) {\n // checks for null or undefined\n duration = {};\n } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));\n duration = {};\n duration.ms = diffRes.milliseconds;\n duration.M = diffRes.months;\n }\n\n ret = new Duration(duration);\n\n if (isDuration(input) && hasOwnProp(input, '_locale')) {\n ret._locale = input._locale;\n }\n\n if (isDuration(input) && hasOwnProp(input, '_isValid')) {\n ret._isValid = input._isValid;\n }\n\n return ret;\n }\n\n createDuration.fn = Duration.prototype;\n createDuration.invalid = createInvalid$1;\n\n function parseIso(inp, sign) {\n // We'd normally use ~~inp for this, but unfortunately it also\n // converts floats to ints.\n // inp may be undefined, so careful calling replace on it.\n var res = inp && parseFloat(inp.replace(',', '.')); // apply sign while we're at it\n\n return (isNaN(res) ? 0 : res) * sign;\n }\n\n function positiveMomentsDifference(base, other) {\n var res = {};\n res.months = other.month() - base.month() + (other.year() - base.year()) * 12;\n\n if (base.clone().add(res.months, 'M').isAfter(other)) {\n --res.months;\n }\n\n res.milliseconds = +other - +base.clone().add(res.months, 'M');\n return res;\n }\n\n function momentsDifference(base, other) {\n var res;\n\n if (!(base.isValid() && other.isValid())) {\n return {\n milliseconds: 0,\n months: 0\n };\n }\n\n other = cloneWithOffset(other, base);\n\n if (base.isBefore(other)) {\n res = positiveMomentsDifference(base, other);\n } else {\n res = positiveMomentsDifference(other, base);\n res.milliseconds = -res.milliseconds;\n res.months = -res.months;\n }\n\n return res;\n } // TODO: remove 'name' arg after deprecation is removed\n\n\n function createAdder(direction, name) {\n return function (val, period) {\n var dur, tmp; //invert the arguments, but complain about it\n\n if (period !== null && !isNaN(+period)) {\n deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');\n tmp = val;\n val = period;\n period = tmp;\n }\n\n dur = createDuration(val, period);\n addSubtract(this, dur, direction);\n return this;\n };\n }\n\n function addSubtract(mom, duration, isAdding, updateOffset) {\n var milliseconds = duration._milliseconds,\n days = absRound(duration._days),\n months = absRound(duration._months);\n\n if (!mom.isValid()) {\n // No op\n return;\n }\n\n updateOffset = updateOffset == null ? true : updateOffset;\n\n if (months) {\n setMonth(mom, get(mom, 'Month') + months * isAdding);\n }\n\n if (days) {\n set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n }\n\n if (milliseconds) {\n mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n }\n\n if (updateOffset) {\n hooks.updateOffset(mom, days || months);\n }\n }\n\n var add = createAdder(1, 'add'),\n subtract = createAdder(-1, 'subtract');\n\n function isString(input) {\n return typeof input === 'string' || input instanceof String;\n } // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined\n\n\n function isMomentInput(input) {\n return isMoment(input) || isDate(input) || isString(input) || isNumber(input) || isNumberOrStringArray(input) || isMomentInputObject(input) || input === null || input === undefined;\n }\n\n function isMomentInputObject(input) {\n var objectTest = isObject(input) && !isObjectEmpty(input),\n propertyTest = false,\n properties = ['years', 'year', 'y', 'months', 'month', 'M', 'days', 'day', 'd', 'dates', 'date', 'D', 'hours', 'hour', 'h', 'minutes', 'minute', 'm', 'seconds', 'second', 's', 'milliseconds', 'millisecond', 'ms'],\n i,\n property;\n\n for (i = 0; i < properties.length; i += 1) {\n property = properties[i];\n propertyTest = propertyTest || hasOwnProp(input, property);\n }\n\n return objectTest && propertyTest;\n }\n\n function isNumberOrStringArray(input) {\n var arrayTest = isArray(input),\n dataTypeTest = false;\n\n if (arrayTest) {\n dataTypeTest = input.filter(function (item) {\n return !isNumber(item) && isString(input);\n }).length === 0;\n }\n\n return arrayTest && dataTypeTest;\n }\n\n function isCalendarSpec(input) {\n var objectTest = isObject(input) && !isObjectEmpty(input),\n propertyTest = false,\n properties = ['sameDay', 'nextDay', 'lastDay', 'nextWeek', 'lastWeek', 'sameElse'],\n i,\n property;\n\n for (i = 0; i < properties.length; i += 1) {\n property = properties[i];\n propertyTest = propertyTest || hasOwnProp(input, property);\n }\n\n return objectTest && propertyTest;\n }\n\n function getCalendarFormat(myMoment, now) {\n var diff = myMoment.diff(now, 'days', true);\n return diff < -6 ? 'sameElse' : diff < -1 ? 'lastWeek' : diff < 0 ? 'lastDay' : diff < 1 ? 'sameDay' : diff < 2 ? 'nextDay' : diff < 7 ? 'nextWeek' : 'sameElse';\n }\n\n function calendar$1(time, formats) {\n // Support for single parameter, formats only overload to the calendar function\n if (arguments.length === 1) {\n if (!arguments[0]) {\n time = undefined;\n formats = undefined;\n } else if (isMomentInput(arguments[0])) {\n time = arguments[0];\n formats = undefined;\n } else if (isCalendarSpec(arguments[0])) {\n formats = arguments[0];\n time = undefined;\n }\n } // We want to compare the start of today, vs this.\n // Getting start-of-today depends on whether we're local/utc/offset or not.\n\n\n var now = time || createLocal(),\n sod = cloneWithOffset(now, this).startOf('day'),\n format = hooks.calendarFormat(this, sod) || 'sameElse',\n output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);\n return this.format(output || this.localeData().calendar(format, this, createLocal(now)));\n }\n\n function clone() {\n return new Moment(this);\n }\n\n function isAfter(input, units) {\n var localInput = isMoment(input) ? input : createLocal(input);\n\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n\n units = normalizeUnits(units) || 'millisecond';\n\n if (units === 'millisecond') {\n return this.valueOf() > localInput.valueOf();\n } else {\n return localInput.valueOf() < this.clone().startOf(units).valueOf();\n }\n }\n\n function isBefore(input, units) {\n var localInput = isMoment(input) ? input : createLocal(input);\n\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n\n units = normalizeUnits(units) || 'millisecond';\n\n if (units === 'millisecond') {\n return this.valueOf() < localInput.valueOf();\n } else {\n return this.clone().endOf(units).valueOf() < localInput.valueOf();\n }\n }\n\n function isBetween(from, to, units, inclusivity) {\n var localFrom = isMoment(from) ? from : createLocal(from),\n localTo = isMoment(to) ? to : createLocal(to);\n\n if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {\n return false;\n }\n\n inclusivity = inclusivity || '()';\n return (inclusivity[0] === '(' ? this.isAfter(localFrom, units) : !this.isBefore(localFrom, units)) && (inclusivity[1] === ')' ? this.isBefore(localTo, units) : !this.isAfter(localTo, units));\n }\n\n function isSame(input, units) {\n var localInput = isMoment(input) ? input : createLocal(input),\n inputMs;\n\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n\n units = normalizeUnits(units) || 'millisecond';\n\n if (units === 'millisecond') {\n return this.valueOf() === localInput.valueOf();\n } else {\n inputMs = localInput.valueOf();\n return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();\n }\n }\n\n function isSameOrAfter(input, units) {\n return this.isSame(input, units) || this.isAfter(input, units);\n }\n\n function isSameOrBefore(input, units) {\n return this.isSame(input, units) || this.isBefore(input, units);\n }\n\n function diff(input, units, asFloat) {\n var that, zoneDelta, output;\n\n if (!this.isValid()) {\n return NaN;\n }\n\n that = cloneWithOffset(input, this);\n\n if (!that.isValid()) {\n return NaN;\n }\n\n zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n units = normalizeUnits(units);\n\n switch (units) {\n case 'year':\n output = monthDiff(this, that) / 12;\n break;\n\n case 'month':\n output = monthDiff(this, that);\n break;\n\n case 'quarter':\n output = monthDiff(this, that) / 3;\n break;\n\n case 'second':\n output = (this - that) / 1e3;\n break;\n // 1000\n\n case 'minute':\n output = (this - that) / 6e4;\n break;\n // 1000 * 60\n\n case 'hour':\n output = (this - that) / 36e5;\n break;\n // 1000 * 60 * 60\n\n case 'day':\n output = (this - that - zoneDelta) / 864e5;\n break;\n // 1000 * 60 * 60 * 24, negate dst\n\n case 'week':\n output = (this - that - zoneDelta) / 6048e5;\n break;\n // 1000 * 60 * 60 * 24 * 7, negate dst\n\n default:\n output = this - that;\n }\n\n return asFloat ? output : absFloor(output);\n }\n\n function monthDiff(a, b) {\n if (a.date() < b.date()) {\n // end-of-month calculations work correct when the start month has more\n // days than the end month.\n return -monthDiff(b, a);\n } // difference in months\n\n\n var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),\n // b is in (anchor - 1 month, anchor + 1 month)\n anchor = a.clone().add(wholeMonthDiff, 'months'),\n anchor2,\n adjust;\n\n if (b - anchor < 0) {\n anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); // linear across the month\n\n adjust = (b - anchor) / (anchor - anchor2);\n } else {\n anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); // linear across the month\n\n adjust = (b - anchor) / (anchor2 - anchor);\n } //check for negative zero, return zero if negative zero\n\n\n return -(wholeMonthDiff + adjust) || 0;\n }\n\n hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n function toString() {\n return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n }\n\n function toISOString(keepOffset) {\n if (!this.isValid()) {\n return null;\n }\n\n var utc = keepOffset !== true,\n m = utc ? this.clone().utc() : this;\n\n if (m.year() < 0 || m.year() > 9999) {\n return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ');\n }\n\n if (isFunction(Date.prototype.toISOString)) {\n // native implementation is ~50x faster, use it when we can\n if (utc) {\n return this.toDate().toISOString();\n } else {\n return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z'));\n }\n }\n\n return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ');\n }\n /**\n * Return a human readable representation of a moment that can\n * also be evaluated to get a new moment which is the same\n *\n * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n */\n\n\n function inspect() {\n if (!this.isValid()) {\n return 'moment.invalid(/* ' + this._i + ' */)';\n }\n\n var func = 'moment',\n zone = '',\n prefix,\n year,\n datetime,\n suffix;\n\n if (!this.isLocal()) {\n func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n zone = 'Z';\n }\n\n prefix = '[' + func + '(\"]';\n year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY';\n datetime = '-MM-DD[T]HH:mm:ss.SSS';\n suffix = zone + '[\")]';\n return this.format(prefix + year + datetime + suffix);\n }\n\n function format(inputString) {\n if (!inputString) {\n inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;\n }\n\n var output = formatMoment(this, inputString);\n return this.localeData().postformat(output);\n }\n\n function from(time, withoutSuffix) {\n if (this.isValid() && (isMoment(time) && time.isValid() || createLocal(time).isValid())) {\n return createDuration({\n to: this,\n from: time\n }).locale(this.locale()).humanize(!withoutSuffix);\n } else {\n return this.localeData().invalidDate();\n }\n }\n\n function fromNow(withoutSuffix) {\n return this.from(createLocal(), withoutSuffix);\n }\n\n function to(time, withoutSuffix) {\n if (this.isValid() && (isMoment(time) && time.isValid() || createLocal(time).isValid())) {\n return createDuration({\n from: this,\n to: time\n }).locale(this.locale()).humanize(!withoutSuffix);\n } else {\n return this.localeData().invalidDate();\n }\n }\n\n function toNow(withoutSuffix) {\n return this.to(createLocal(), withoutSuffix);\n } // If passed a locale key, it will set the locale for this\n // instance. Otherwise, it will return the locale configuration\n // variables for this instance.\n\n\n function locale(key) {\n var newLocaleData;\n\n if (key === undefined) {\n return this._locale._abbr;\n } else {\n newLocaleData = getLocale(key);\n\n if (newLocaleData != null) {\n this._locale = newLocaleData;\n }\n\n return this;\n }\n }\n\n var lang = deprecate('moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', function (key) {\n if (key === undefined) {\n return this.localeData();\n } else {\n return this.locale(key);\n }\n });\n\n function localeData() {\n return this._locale;\n }\n\n var MS_PER_SECOND = 1000,\n MS_PER_MINUTE = 60 * MS_PER_SECOND,\n MS_PER_HOUR = 60 * MS_PER_MINUTE,\n MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR; // actual modulo - handles negative numbers (for dates before 1970):\n\n function mod$1(dividend, divisor) {\n return (dividend % divisor + divisor) % divisor;\n }\n\n function localStartOfDate(y, m, d) {\n // the date constructor remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0) {\n // preserve leap years using a full 400 year cycle, then reset\n return new Date(y + 400, m, d) - MS_PER_400_YEARS;\n } else {\n return new Date(y, m, d).valueOf();\n }\n }\n\n function utcStartOfDate(y, m, d) {\n // Date.UTC remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0) {\n // preserve leap years using a full 400 year cycle, then reset\n return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;\n } else {\n return Date.UTC(y, m, d);\n }\n }\n\n function startOf(units) {\n var time, startOfDate;\n units = normalizeUnits(units);\n\n if (units === undefined || units === 'millisecond' || !this.isValid()) {\n return this;\n }\n\n startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;\n\n switch (units) {\n case 'year':\n time = startOfDate(this.year(), 0, 1);\n break;\n\n case 'quarter':\n time = startOfDate(this.year(), this.month() - this.month() % 3, 1);\n break;\n\n case 'month':\n time = startOfDate(this.year(), this.month(), 1);\n break;\n\n case 'week':\n time = startOfDate(this.year(), this.month(), this.date() - this.weekday());\n break;\n\n case 'isoWeek':\n time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1));\n break;\n\n case 'day':\n case 'date':\n time = startOfDate(this.year(), this.month(), this.date());\n break;\n\n case 'hour':\n time = this._d.valueOf();\n time -= mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR);\n break;\n\n case 'minute':\n time = this._d.valueOf();\n time -= mod$1(time, MS_PER_MINUTE);\n break;\n\n case 'second':\n time = this._d.valueOf();\n time -= mod$1(time, MS_PER_SECOND);\n break;\n }\n\n this._d.setTime(time);\n\n hooks.updateOffset(this, true);\n return this;\n }\n\n function endOf(units) {\n var time, startOfDate;\n units = normalizeUnits(units);\n\n if (units === undefined || units === 'millisecond' || !this.isValid()) {\n return this;\n }\n\n startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;\n\n switch (units) {\n case 'year':\n time = startOfDate(this.year() + 1, 0, 1) - 1;\n break;\n\n case 'quarter':\n time = startOfDate(this.year(), this.month() - this.month() % 3 + 3, 1) - 1;\n break;\n\n case 'month':\n time = startOfDate(this.year(), this.month() + 1, 1) - 1;\n break;\n\n case 'week':\n time = startOfDate(this.year(), this.month(), this.date() - this.weekday() + 7) - 1;\n break;\n\n case 'isoWeek':\n time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1) + 7) - 1;\n break;\n\n case 'day':\n case 'date':\n time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;\n break;\n\n case 'hour':\n time = this._d.valueOf();\n time += MS_PER_HOUR - mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR) - 1;\n break;\n\n case 'minute':\n time = this._d.valueOf();\n time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;\n break;\n\n case 'second':\n time = this._d.valueOf();\n time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;\n break;\n }\n\n this._d.setTime(time);\n\n hooks.updateOffset(this, true);\n return this;\n }\n\n function valueOf() {\n return this._d.valueOf() - (this._offset || 0) * 60000;\n }\n\n function unix() {\n return Math.floor(this.valueOf() / 1000);\n }\n\n function toDate() {\n return new Date(this.valueOf());\n }\n\n function toArray() {\n var m = this;\n return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n }\n\n function toObject() {\n var m = this;\n return {\n years: m.year(),\n months: m.month(),\n date: m.date(),\n hours: m.hours(),\n minutes: m.minutes(),\n seconds: m.seconds(),\n milliseconds: m.milliseconds()\n };\n }\n\n function toJSON() {\n // new Date(NaN).toJSON() === null\n return this.isValid() ? this.toISOString() : null;\n }\n\n function isValid$2() {\n return isValid(this);\n }\n\n function parsingFlags() {\n return extend({}, getParsingFlags(this));\n }\n\n function invalidAt() {\n return getParsingFlags(this).overflow;\n }\n\n function creationData() {\n return {\n input: this._i,\n format: this._f,\n locale: this._locale,\n isUTC: this._isUTC,\n strict: this._strict\n };\n }\n\n addFormatToken('N', 0, 0, 'eraAbbr');\n addFormatToken('NN', 0, 0, 'eraAbbr');\n addFormatToken('NNN', 0, 0, 'eraAbbr');\n addFormatToken('NNNN', 0, 0, 'eraName');\n addFormatToken('NNNNN', 0, 0, 'eraNarrow');\n addFormatToken('y', ['y', 1], 'yo', 'eraYear');\n addFormatToken('y', ['yy', 2], 0, 'eraYear');\n addFormatToken('y', ['yyy', 3], 0, 'eraYear');\n addFormatToken('y', ['yyyy', 4], 0, 'eraYear');\n addRegexToken('N', matchEraAbbr);\n addRegexToken('NN', matchEraAbbr);\n addRegexToken('NNN', matchEraAbbr);\n addRegexToken('NNNN', matchEraName);\n addRegexToken('NNNNN', matchEraNarrow);\n addParseToken(['N', 'NN', 'NNN', 'NNNN', 'NNNNN'], function (input, array, config, token) {\n var era = config._locale.erasParse(input, token, config._strict);\n\n if (era) {\n getParsingFlags(config).era = era;\n } else {\n getParsingFlags(config).invalidEra = input;\n }\n });\n addRegexToken('y', matchUnsigned);\n addRegexToken('yy', matchUnsigned);\n addRegexToken('yyy', matchUnsigned);\n addRegexToken('yyyy', matchUnsigned);\n addRegexToken('yo', matchEraYearOrdinal);\n addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR);\n addParseToken(['yo'], function (input, array, config, token) {\n var match;\n\n if (config._locale._eraYearOrdinalRegex) {\n match = input.match(config._locale._eraYearOrdinalRegex);\n }\n\n if (config._locale.eraYearOrdinalParse) {\n array[YEAR] = config._locale.eraYearOrdinalParse(input, match);\n } else {\n array[YEAR] = parseInt(input, 10);\n }\n });\n\n function localeEras(m, format) {\n var i,\n l,\n date,\n eras = this._eras || getLocale('en')._eras;\n\n for (i = 0, l = eras.length; i < l; ++i) {\n switch (typeof eras[i].since) {\n case 'string':\n // truncate time\n date = hooks(eras[i].since).startOf('day');\n eras[i].since = date.valueOf();\n break;\n }\n\n switch (typeof eras[i].until) {\n case 'undefined':\n eras[i].until = +Infinity;\n break;\n\n case 'string':\n // truncate time\n date = hooks(eras[i].until).startOf('day').valueOf();\n eras[i].until = date.valueOf();\n break;\n }\n }\n\n return eras;\n }\n\n function localeErasParse(eraName, format, strict) {\n var i,\n l,\n eras = this.eras(),\n name,\n abbr,\n narrow;\n eraName = eraName.toUpperCase();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n name = eras[i].name.toUpperCase();\n abbr = eras[i].abbr.toUpperCase();\n narrow = eras[i].narrow.toUpperCase();\n\n if (strict) {\n switch (format) {\n case 'N':\n case 'NN':\n case 'NNN':\n if (abbr === eraName) {\n return eras[i];\n }\n\n break;\n\n case 'NNNN':\n if (name === eraName) {\n return eras[i];\n }\n\n break;\n\n case 'NNNNN':\n if (narrow === eraName) {\n return eras[i];\n }\n\n break;\n }\n } else if ([name, abbr, narrow].indexOf(eraName) >= 0) {\n return eras[i];\n }\n }\n }\n\n function localeErasConvertYear(era, year) {\n var dir = era.since <= era.until ? +1 : -1;\n\n if (year === undefined) {\n return hooks(era.since).year();\n } else {\n return hooks(era.since).year() + (year - era.offset) * dir;\n }\n }\n\n function getEraName() {\n var i,\n l,\n val,\n eras = this.localeData().eras();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until) {\n return eras[i].name;\n }\n\n if (eras[i].until <= val && val <= eras[i].since) {\n return eras[i].name;\n }\n }\n\n return '';\n }\n\n function getEraNarrow() {\n var i,\n l,\n val,\n eras = this.localeData().eras();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until) {\n return eras[i].narrow;\n }\n\n if (eras[i].until <= val && val <= eras[i].since) {\n return eras[i].narrow;\n }\n }\n\n return '';\n }\n\n function getEraAbbr() {\n var i,\n l,\n val,\n eras = this.localeData().eras();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until) {\n return eras[i].abbr;\n }\n\n if (eras[i].until <= val && val <= eras[i].since) {\n return eras[i].abbr;\n }\n }\n\n return '';\n }\n\n function getEraYear() {\n var i,\n l,\n dir,\n val,\n eras = this.localeData().eras();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n dir = eras[i].since <= eras[i].until ? +1 : -1; // truncate time\n\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until || eras[i].until <= val && val <= eras[i].since) {\n return (this.year() - hooks(eras[i].since).year()) * dir + eras[i].offset;\n }\n }\n\n return this.year();\n }\n\n function erasNameRegex(isStrict) {\n if (!hasOwnProp(this, '_erasNameRegex')) {\n computeErasParse.call(this);\n }\n\n return isStrict ? this._erasNameRegex : this._erasRegex;\n }\n\n function erasAbbrRegex(isStrict) {\n if (!hasOwnProp(this, '_erasAbbrRegex')) {\n computeErasParse.call(this);\n }\n\n return isStrict ? this._erasAbbrRegex : this._erasRegex;\n }\n\n function erasNarrowRegex(isStrict) {\n if (!hasOwnProp(this, '_erasNarrowRegex')) {\n computeErasParse.call(this);\n }\n\n return isStrict ? this._erasNarrowRegex : this._erasRegex;\n }\n\n function matchEraAbbr(isStrict, locale) {\n return locale.erasAbbrRegex(isStrict);\n }\n\n function matchEraName(isStrict, locale) {\n return locale.erasNameRegex(isStrict);\n }\n\n function matchEraNarrow(isStrict, locale) {\n return locale.erasNarrowRegex(isStrict);\n }\n\n function matchEraYearOrdinal(isStrict, locale) {\n return locale._eraYearOrdinalRegex || matchUnsigned;\n }\n\n function computeErasParse() {\n var abbrPieces = [],\n namePieces = [],\n narrowPieces = [],\n mixedPieces = [],\n i,\n l,\n eras = this.eras();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n namePieces.push(regexEscape(eras[i].name));\n abbrPieces.push(regexEscape(eras[i].abbr));\n narrowPieces.push(regexEscape(eras[i].narrow));\n mixedPieces.push(regexEscape(eras[i].name));\n mixedPieces.push(regexEscape(eras[i].abbr));\n mixedPieces.push(regexEscape(eras[i].narrow));\n }\n\n this._erasRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._erasNameRegex = new RegExp('^(' + namePieces.join('|') + ')', 'i');\n this._erasAbbrRegex = new RegExp('^(' + abbrPieces.join('|') + ')', 'i');\n this._erasNarrowRegex = new RegExp('^(' + narrowPieces.join('|') + ')', 'i');\n } // FORMATTING\n\n\n addFormatToken(0, ['gg', 2], 0, function () {\n return this.weekYear() % 100;\n });\n addFormatToken(0, ['GG', 2], 0, function () {\n return this.isoWeekYear() % 100;\n });\n\n function addWeekYearFormatToken(token, getter) {\n addFormatToken(0, [token, token.length], 0, getter);\n }\n\n addWeekYearFormatToken('gggg', 'weekYear');\n addWeekYearFormatToken('ggggg', 'weekYear');\n addWeekYearFormatToken('GGGG', 'isoWeekYear');\n addWeekYearFormatToken('GGGGG', 'isoWeekYear'); // ALIASES\n\n addUnitAlias('weekYear', 'gg');\n addUnitAlias('isoWeekYear', 'GG'); // PRIORITY\n\n addUnitPriority('weekYear', 1);\n addUnitPriority('isoWeekYear', 1); // PARSING\n\n addRegexToken('G', matchSigned);\n addRegexToken('g', matchSigned);\n addRegexToken('GG', match1to2, match2);\n addRegexToken('gg', match1to2, match2);\n addRegexToken('GGGG', match1to4, match4);\n addRegexToken('gggg', match1to4, match4);\n addRegexToken('GGGGG', match1to6, match6);\n addRegexToken('ggggg', match1to6, match6);\n addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n week[token.substr(0, 2)] = toInt(input);\n });\n addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n week[token] = hooks.parseTwoDigitYear(input);\n }); // MOMENTS\n\n function getSetWeekYear(input) {\n return getSetWeekYearHelper.call(this, input, this.week(), this.weekday(), this.localeData()._week.dow, this.localeData()._week.doy);\n }\n\n function getSetISOWeekYear(input) {\n return getSetWeekYearHelper.call(this, input, this.isoWeek(), this.isoWeekday(), 1, 4);\n }\n\n function getISOWeeksInYear() {\n return weeksInYear(this.year(), 1, 4);\n }\n\n function getISOWeeksInISOWeekYear() {\n return weeksInYear(this.isoWeekYear(), 1, 4);\n }\n\n function getWeeksInYear() {\n var weekInfo = this.localeData()._week;\n\n return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n }\n\n function getWeeksInWeekYear() {\n var weekInfo = this.localeData()._week;\n\n return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy);\n }\n\n function getSetWeekYearHelper(input, week, weekday, dow, doy) {\n var weeksTarget;\n\n if (input == null) {\n return weekOfYear(this, dow, doy).year;\n } else {\n weeksTarget = weeksInYear(input, dow, doy);\n\n if (week > weeksTarget) {\n week = weeksTarget;\n }\n\n return setWeekAll.call(this, input, week, weekday, dow, doy);\n }\n }\n\n function setWeekAll(weekYear, week, weekday, dow, doy) {\n var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n this.year(date.getUTCFullYear());\n this.month(date.getUTCMonth());\n this.date(date.getUTCDate());\n return this;\n } // FORMATTING\n\n\n addFormatToken('Q', 0, 'Qo', 'quarter'); // ALIASES\n\n addUnitAlias('quarter', 'Q'); // PRIORITY\n\n addUnitPriority('quarter', 7); // PARSING\n\n addRegexToken('Q', match1);\n addParseToken('Q', function (input, array) {\n array[MONTH] = (toInt(input) - 1) * 3;\n }); // MOMENTS\n\n function getSetQuarter(input) {\n return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n } // FORMATTING\n\n\n addFormatToken('D', ['DD', 2], 'Do', 'date'); // ALIASES\n\n addUnitAlias('date', 'D'); // PRIORITY\n\n addUnitPriority('date', 9); // PARSING\n\n addRegexToken('D', match1to2);\n addRegexToken('DD', match1to2, match2);\n addRegexToken('Do', function (isStrict, locale) {\n // TODO: Remove \"ordinalParse\" fallback in next major release.\n return isStrict ? locale._dayOfMonthOrdinalParse || locale._ordinalParse : locale._dayOfMonthOrdinalParseLenient;\n });\n addParseToken(['D', 'DD'], DATE);\n addParseToken('Do', function (input, array) {\n array[DATE] = toInt(input.match(match1to2)[0]);\n }); // MOMENTS\n\n var getSetDayOfMonth = makeGetSet('Date', true); // FORMATTING\n\n addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); // ALIASES\n\n addUnitAlias('dayOfYear', 'DDD'); // PRIORITY\n\n addUnitPriority('dayOfYear', 4); // PARSING\n\n addRegexToken('DDD', match1to3);\n addRegexToken('DDDD', match3);\n addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n config._dayOfYear = toInt(input);\n }); // HELPERS\n // MOMENTS\n\n function getSetDayOfYear(input) {\n var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n return input == null ? dayOfYear : this.add(input - dayOfYear, 'd');\n } // FORMATTING\n\n\n addFormatToken('m', ['mm', 2], 0, 'minute'); // ALIASES\n\n addUnitAlias('minute', 'm'); // PRIORITY\n\n addUnitPriority('minute', 14); // PARSING\n\n addRegexToken('m', match1to2);\n addRegexToken('mm', match1to2, match2);\n addParseToken(['m', 'mm'], MINUTE); // MOMENTS\n\n var getSetMinute = makeGetSet('Minutes', false); // FORMATTING\n\n addFormatToken('s', ['ss', 2], 0, 'second'); // ALIASES\n\n addUnitAlias('second', 's'); // PRIORITY\n\n addUnitPriority('second', 15); // PARSING\n\n addRegexToken('s', match1to2);\n addRegexToken('ss', match1to2, match2);\n addParseToken(['s', 'ss'], SECOND); // MOMENTS\n\n var getSetSecond = makeGetSet('Seconds', false); // FORMATTING\n\n addFormatToken('S', 0, 0, function () {\n return ~~(this.millisecond() / 100);\n });\n addFormatToken(0, ['SS', 2], 0, function () {\n return ~~(this.millisecond() / 10);\n });\n addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n addFormatToken(0, ['SSSS', 4], 0, function () {\n return this.millisecond() * 10;\n });\n addFormatToken(0, ['SSSSS', 5], 0, function () {\n return this.millisecond() * 100;\n });\n addFormatToken(0, ['SSSSSS', 6], 0, function () {\n return this.millisecond() * 1000;\n });\n addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n return this.millisecond() * 10000;\n });\n addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n return this.millisecond() * 100000;\n });\n addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n return this.millisecond() * 1000000;\n }); // ALIASES\n\n addUnitAlias('millisecond', 'ms'); // PRIORITY\n\n addUnitPriority('millisecond', 16); // PARSING\n\n addRegexToken('S', match1to3, match1);\n addRegexToken('SS', match1to3, match2);\n addRegexToken('SSS', match1to3, match3);\n var token, getSetMillisecond;\n\n for (token = 'SSSS'; token.length <= 9; token += 'S') {\n addRegexToken(token, matchUnsigned);\n }\n\n function parseMs(input, array) {\n array[MILLISECOND] = toInt(('0.' + input) * 1000);\n }\n\n for (token = 'S'; token.length <= 9; token += 'S') {\n addParseToken(token, parseMs);\n }\n\n getSetMillisecond = makeGetSet('Milliseconds', false); // FORMATTING\n\n addFormatToken('z', 0, 0, 'zoneAbbr');\n addFormatToken('zz', 0, 0, 'zoneName'); // MOMENTS\n\n function getZoneAbbr() {\n return this._isUTC ? 'UTC' : '';\n }\n\n function getZoneName() {\n return this._isUTC ? 'Coordinated Universal Time' : '';\n }\n\n var proto = Moment.prototype;\n proto.add = add;\n proto.calendar = calendar$1;\n proto.clone = clone;\n proto.diff = diff;\n proto.endOf = endOf;\n proto.format = format;\n proto.from = from;\n proto.fromNow = fromNow;\n proto.to = to;\n proto.toNow = toNow;\n proto.get = stringGet;\n proto.invalidAt = invalidAt;\n proto.isAfter = isAfter;\n proto.isBefore = isBefore;\n proto.isBetween = isBetween;\n proto.isSame = isSame;\n proto.isSameOrAfter = isSameOrAfter;\n proto.isSameOrBefore = isSameOrBefore;\n proto.isValid = isValid$2;\n proto.lang = lang;\n proto.locale = locale;\n proto.localeData = localeData;\n proto.max = prototypeMax;\n proto.min = prototypeMin;\n proto.parsingFlags = parsingFlags;\n proto.set = stringSet;\n proto.startOf = startOf;\n proto.subtract = subtract;\n proto.toArray = toArray;\n proto.toObject = toObject;\n proto.toDate = toDate;\n proto.toISOString = toISOString;\n proto.inspect = inspect;\n\n if (typeof Symbol !== 'undefined' && Symbol.for != null) {\n proto[Symbol.for('nodejs.util.inspect.custom')] = function () {\n return 'Moment<' + this.format() + '>';\n };\n }\n\n proto.toJSON = toJSON;\n proto.toString = toString;\n proto.unix = unix;\n proto.valueOf = valueOf;\n proto.creationData = creationData;\n proto.eraName = getEraName;\n proto.eraNarrow = getEraNarrow;\n proto.eraAbbr = getEraAbbr;\n proto.eraYear = getEraYear;\n proto.year = getSetYear;\n proto.isLeapYear = getIsLeapYear;\n proto.weekYear = getSetWeekYear;\n proto.isoWeekYear = getSetISOWeekYear;\n proto.quarter = proto.quarters = getSetQuarter;\n proto.month = getSetMonth;\n proto.daysInMonth = getDaysInMonth;\n proto.week = proto.weeks = getSetWeek;\n proto.isoWeek = proto.isoWeeks = getSetISOWeek;\n proto.weeksInYear = getWeeksInYear;\n proto.weeksInWeekYear = getWeeksInWeekYear;\n proto.isoWeeksInYear = getISOWeeksInYear;\n proto.isoWeeksInISOWeekYear = getISOWeeksInISOWeekYear;\n proto.date = getSetDayOfMonth;\n proto.day = proto.days = getSetDayOfWeek;\n proto.weekday = getSetLocaleDayOfWeek;\n proto.isoWeekday = getSetISODayOfWeek;\n proto.dayOfYear = getSetDayOfYear;\n proto.hour = proto.hours = getSetHour;\n proto.minute = proto.minutes = getSetMinute;\n proto.second = proto.seconds = getSetSecond;\n proto.millisecond = proto.milliseconds = getSetMillisecond;\n proto.utcOffset = getSetOffset;\n proto.utc = setOffsetToUTC;\n proto.local = setOffsetToLocal;\n proto.parseZone = setOffsetToParsedOffset;\n proto.hasAlignedHourOffset = hasAlignedHourOffset;\n proto.isDST = isDaylightSavingTime;\n proto.isLocal = isLocal;\n proto.isUtcOffset = isUtcOffset;\n proto.isUtc = isUtc;\n proto.isUTC = isUtc;\n proto.zoneAbbr = getZoneAbbr;\n proto.zoneName = getZoneName;\n proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\n proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\n proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear);\n proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);\n proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);\n\n function createUnix(input) {\n return createLocal(input * 1000);\n }\n\n function createInZone() {\n return createLocal.apply(null, arguments).parseZone();\n }\n\n function preParsePostFormat(string) {\n return string;\n }\n\n var proto$1 = Locale.prototype;\n proto$1.calendar = calendar;\n proto$1.longDateFormat = longDateFormat;\n proto$1.invalidDate = invalidDate;\n proto$1.ordinal = ordinal;\n proto$1.preparse = preParsePostFormat;\n proto$1.postformat = preParsePostFormat;\n proto$1.relativeTime = relativeTime;\n proto$1.pastFuture = pastFuture;\n proto$1.set = set;\n proto$1.eras = localeEras;\n proto$1.erasParse = localeErasParse;\n proto$1.erasConvertYear = localeErasConvertYear;\n proto$1.erasAbbrRegex = erasAbbrRegex;\n proto$1.erasNameRegex = erasNameRegex;\n proto$1.erasNarrowRegex = erasNarrowRegex;\n proto$1.months = localeMonths;\n proto$1.monthsShort = localeMonthsShort;\n proto$1.monthsParse = localeMonthsParse;\n proto$1.monthsRegex = monthsRegex;\n proto$1.monthsShortRegex = monthsShortRegex;\n proto$1.week = localeWeek;\n proto$1.firstDayOfYear = localeFirstDayOfYear;\n proto$1.firstDayOfWeek = localeFirstDayOfWeek;\n proto$1.weekdays = localeWeekdays;\n proto$1.weekdaysMin = localeWeekdaysMin;\n proto$1.weekdaysShort = localeWeekdaysShort;\n proto$1.weekdaysParse = localeWeekdaysParse;\n proto$1.weekdaysRegex = weekdaysRegex;\n proto$1.weekdaysShortRegex = weekdaysShortRegex;\n proto$1.weekdaysMinRegex = weekdaysMinRegex;\n proto$1.isPM = localeIsPM;\n proto$1.meridiem = localeMeridiem;\n\n function get$1(format, index, field, setter) {\n var locale = getLocale(),\n utc = createUTC().set(setter, index);\n return locale[field](utc, format);\n }\n\n function listMonthsImpl(format, index, field) {\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n\n if (index != null) {\n return get$1(format, index, field, 'month');\n }\n\n var i,\n out = [];\n\n for (i = 0; i < 12; i++) {\n out[i] = get$1(format, i, field, 'month');\n }\n\n return out;\n } // ()\n // (5)\n // (fmt, 5)\n // (fmt)\n // (true)\n // (true, 5)\n // (true, fmt, 5)\n // (true, fmt)\n\n\n function listWeekdaysImpl(localeSorted, format, index, field) {\n if (typeof localeSorted === 'boolean') {\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n } else {\n format = localeSorted;\n index = format;\n localeSorted = false;\n\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n }\n\n var locale = getLocale(),\n shift = localeSorted ? locale._week.dow : 0,\n i,\n out = [];\n\n if (index != null) {\n return get$1(format, (index + shift) % 7, field, 'day');\n }\n\n for (i = 0; i < 7; i++) {\n out[i] = get$1(format, (i + shift) % 7, field, 'day');\n }\n\n return out;\n }\n\n function listMonths(format, index) {\n return listMonthsImpl(format, index, 'months');\n }\n\n function listMonthsShort(format, index) {\n return listMonthsImpl(format, index, 'monthsShort');\n }\n\n function listWeekdays(localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n }\n\n function listWeekdaysShort(localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n }\n\n function listWeekdaysMin(localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n }\n\n getSetGlobalLocale('en', {\n eras: [{\n since: '0001-01-01',\n until: +Infinity,\n offset: 1,\n name: 'Anno Domini',\n narrow: 'AD',\n abbr: 'AD'\n }, {\n since: '0000-12-31',\n until: -Infinity,\n offset: 1,\n name: 'Before Christ',\n narrow: 'BC',\n abbr: 'BC'\n }],\n dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n ordinal: function ordinal(number) {\n var b = number % 10,\n output = toInt(number % 100 / 10) === 1 ? 'th' : b === 1 ? 'st' : b === 2 ? 'nd' : b === 3 ? 'rd' : 'th';\n return number + output;\n }\n }); // Side effect imports\n\n hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);\n hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);\n var mathAbs = Math.abs;\n\n function abs() {\n var data = this._data;\n this._milliseconds = mathAbs(this._milliseconds);\n this._days = mathAbs(this._days);\n this._months = mathAbs(this._months);\n data.milliseconds = mathAbs(data.milliseconds);\n data.seconds = mathAbs(data.seconds);\n data.minutes = mathAbs(data.minutes);\n data.hours = mathAbs(data.hours);\n data.months = mathAbs(data.months);\n data.years = mathAbs(data.years);\n return this;\n }\n\n function addSubtract$1(duration, input, value, direction) {\n var other = createDuration(input, value);\n duration._milliseconds += direction * other._milliseconds;\n duration._days += direction * other._days;\n duration._months += direction * other._months;\n return duration._bubble();\n } // supports only 2.0-style add(1, 's') or add(duration)\n\n\n function add$1(input, value) {\n return addSubtract$1(this, input, value, 1);\n } // supports only 2.0-style subtract(1, 's') or subtract(duration)\n\n\n function subtract$1(input, value) {\n return addSubtract$1(this, input, value, -1);\n }\n\n function absCeil(number) {\n if (number < 0) {\n return Math.floor(number);\n } else {\n return Math.ceil(number);\n }\n }\n\n function bubble() {\n var milliseconds = this._milliseconds,\n days = this._days,\n months = this._months,\n data = this._data,\n seconds,\n minutes,\n hours,\n years,\n monthsFromDays; // if we have a mix of positive and negative values, bubble down first\n // check: https://github.com/moment/moment/issues/2166\n\n if (!(milliseconds >= 0 && days >= 0 && months >= 0 || milliseconds <= 0 && days <= 0 && months <= 0)) {\n milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n days = 0;\n months = 0;\n } // The following code bubbles up values, see the tests for\n // examples of what that means.\n\n\n data.milliseconds = milliseconds % 1000;\n seconds = absFloor(milliseconds / 1000);\n data.seconds = seconds % 60;\n minutes = absFloor(seconds / 60);\n data.minutes = minutes % 60;\n hours = absFloor(minutes / 60);\n data.hours = hours % 24;\n days += absFloor(hours / 24); // convert days to months\n\n monthsFromDays = absFloor(daysToMonths(days));\n months += monthsFromDays;\n days -= absCeil(monthsToDays(monthsFromDays)); // 12 months -> 1 year\n\n years = absFloor(months / 12);\n months %= 12;\n data.days = days;\n data.months = months;\n data.years = years;\n return this;\n }\n\n function daysToMonths(days) {\n // 400 years have 146097 days (taking into account leap year rules)\n // 400 years have 12 months === 4800\n return days * 4800 / 146097;\n }\n\n function monthsToDays(months) {\n // the reverse of daysToMonths\n return months * 146097 / 4800;\n }\n\n function as(units) {\n if (!this.isValid()) {\n return NaN;\n }\n\n var days,\n months,\n milliseconds = this._milliseconds;\n units = normalizeUnits(units);\n\n if (units === 'month' || units === 'quarter' || units === 'year') {\n days = this._days + milliseconds / 864e5;\n months = this._months + daysToMonths(days);\n\n switch (units) {\n case 'month':\n return months;\n\n case 'quarter':\n return months / 3;\n\n case 'year':\n return months / 12;\n }\n } else {\n // handle milliseconds separately because of floating point math errors (issue #1867)\n days = this._days + Math.round(monthsToDays(this._months));\n\n switch (units) {\n case 'week':\n return days / 7 + milliseconds / 6048e5;\n\n case 'day':\n return days + milliseconds / 864e5;\n\n case 'hour':\n return days * 24 + milliseconds / 36e5;\n\n case 'minute':\n return days * 1440 + milliseconds / 6e4;\n\n case 'second':\n return days * 86400 + milliseconds / 1000;\n // Math.floor prevents floating point math errors here\n\n case 'millisecond':\n return Math.floor(days * 864e5) + milliseconds;\n\n default:\n throw new Error('Unknown unit ' + units);\n }\n }\n } // TODO: Use this.as('ms')?\n\n\n function valueOf$1() {\n if (!this.isValid()) {\n return NaN;\n }\n\n return this._milliseconds + this._days * 864e5 + this._months % 12 * 2592e6 + toInt(this._months / 12) * 31536e6;\n }\n\n function makeAs(alias) {\n return function () {\n return this.as(alias);\n };\n }\n\n var asMilliseconds = makeAs('ms'),\n asSeconds = makeAs('s'),\n asMinutes = makeAs('m'),\n asHours = makeAs('h'),\n asDays = makeAs('d'),\n asWeeks = makeAs('w'),\n asMonths = makeAs('M'),\n asQuarters = makeAs('Q'),\n asYears = makeAs('y');\n\n function clone$1() {\n return createDuration(this);\n }\n\n function get$2(units) {\n units = normalizeUnits(units);\n return this.isValid() ? this[units + 's']() : NaN;\n }\n\n function makeGetter(name) {\n return function () {\n return this.isValid() ? this._data[name] : NaN;\n };\n }\n\n var milliseconds = makeGetter('milliseconds'),\n seconds = makeGetter('seconds'),\n minutes = makeGetter('minutes'),\n hours = makeGetter('hours'),\n days = makeGetter('days'),\n months = makeGetter('months'),\n years = makeGetter('years');\n\n function weeks() {\n return absFloor(this.days() / 7);\n }\n\n var round = Math.round,\n thresholds = {\n ss: 44,\n // a few seconds to seconds\n s: 45,\n // seconds to minute\n m: 45,\n // minutes to hour\n h: 22,\n // hours to day\n d: 26,\n // days to month/week\n w: null,\n // weeks to month\n M: 11 // months to year\n\n }; // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n\n function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n }\n\n function relativeTime$1(posNegDuration, withoutSuffix, thresholds, locale) {\n var duration = createDuration(posNegDuration).abs(),\n seconds = round(duration.as('s')),\n minutes = round(duration.as('m')),\n hours = round(duration.as('h')),\n days = round(duration.as('d')),\n months = round(duration.as('M')),\n weeks = round(duration.as('w')),\n years = round(duration.as('y')),\n a = seconds <= thresholds.ss && ['s', seconds] || seconds < thresholds.s && ['ss', seconds] || minutes <= 1 && ['m'] || minutes < thresholds.m && ['mm', minutes] || hours <= 1 && ['h'] || hours < thresholds.h && ['hh', hours] || days <= 1 && ['d'] || days < thresholds.d && ['dd', days];\n\n if (thresholds.w != null) {\n a = a || weeks <= 1 && ['w'] || weeks < thresholds.w && ['ww', weeks];\n }\n\n a = a || months <= 1 && ['M'] || months < thresholds.M && ['MM', months] || years <= 1 && ['y'] || ['yy', years];\n a[2] = withoutSuffix;\n a[3] = +posNegDuration > 0;\n a[4] = locale;\n return substituteTimeAgo.apply(null, a);\n } // This function allows you to set the rounding function for relative time strings\n\n\n function getSetRelativeTimeRounding(roundingFunction) {\n if (roundingFunction === undefined) {\n return round;\n }\n\n if (typeof roundingFunction === 'function') {\n round = roundingFunction;\n return true;\n }\n\n return false;\n } // This function allows you to set a threshold for relative time strings\n\n\n function getSetRelativeTimeThreshold(threshold, limit) {\n if (thresholds[threshold] === undefined) {\n return false;\n }\n\n if (limit === undefined) {\n return thresholds[threshold];\n }\n\n thresholds[threshold] = limit;\n\n if (threshold === 's') {\n thresholds.ss = limit - 1;\n }\n\n return true;\n }\n\n function humanize(argWithSuffix, argThresholds) {\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n\n var withSuffix = false,\n th = thresholds,\n locale,\n output;\n\n if (typeof argWithSuffix === 'object') {\n argThresholds = argWithSuffix;\n argWithSuffix = false;\n }\n\n if (typeof argWithSuffix === 'boolean') {\n withSuffix = argWithSuffix;\n }\n\n if (typeof argThresholds === 'object') {\n th = Object.assign({}, thresholds, argThresholds);\n\n if (argThresholds.s != null && argThresholds.ss == null) {\n th.ss = argThresholds.s - 1;\n }\n }\n\n locale = this.localeData();\n output = relativeTime$1(this, !withSuffix, th, locale);\n\n if (withSuffix) {\n output = locale.pastFuture(+this, output);\n }\n\n return locale.postformat(output);\n }\n\n var abs$1 = Math.abs;\n\n function sign(x) {\n return (x > 0) - (x < 0) || +x;\n }\n\n function toISOString$1() {\n // for ISO strings we do not use the normal bubbling rules:\n // * milliseconds bubble up until they become hours\n // * days do not bubble at all\n // * months bubble up until they become years\n // This is because there is no context-free conversion between hours and days\n // (think of clock changes)\n // and also not between days and months (28-31 days per month)\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n\n var seconds = abs$1(this._milliseconds) / 1000,\n days = abs$1(this._days),\n months = abs$1(this._months),\n minutes,\n hours,\n years,\n s,\n total = this.asSeconds(),\n totalSign,\n ymSign,\n daysSign,\n hmsSign;\n\n if (!total) {\n // this is the same as C#'s (Noda) and python (isodate)...\n // but not other JS (goog.date)\n return 'P0D';\n } // 3600 seconds -> 60 minutes -> 1 hour\n\n\n minutes = absFloor(seconds / 60);\n hours = absFloor(minutes / 60);\n seconds %= 60;\n minutes %= 60; // 12 months -> 1 year\n\n years = absFloor(months / 12);\n months %= 12; // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n\n s = seconds ? seconds.toFixed(3).replace(/\\.?0+$/, '') : '';\n totalSign = total < 0 ? '-' : '';\n ymSign = sign(this._months) !== sign(total) ? '-' : '';\n daysSign = sign(this._days) !== sign(total) ? '-' : '';\n hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';\n return totalSign + 'P' + (years ? ymSign + years + 'Y' : '') + (months ? ymSign + months + 'M' : '') + (days ? daysSign + days + 'D' : '') + (hours || minutes || seconds ? 'T' : '') + (hours ? hmsSign + hours + 'H' : '') + (minutes ? hmsSign + minutes + 'M' : '') + (seconds ? hmsSign + s + 'S' : '');\n }\n\n var proto$2 = Duration.prototype;\n proto$2.isValid = isValid$1;\n proto$2.abs = abs;\n proto$2.add = add$1;\n proto$2.subtract = subtract$1;\n proto$2.as = as;\n proto$2.asMilliseconds = asMilliseconds;\n proto$2.asSeconds = asSeconds;\n proto$2.asMinutes = asMinutes;\n proto$2.asHours = asHours;\n proto$2.asDays = asDays;\n proto$2.asWeeks = asWeeks;\n proto$2.asMonths = asMonths;\n proto$2.asQuarters = asQuarters;\n proto$2.asYears = asYears;\n proto$2.valueOf = valueOf$1;\n proto$2._bubble = bubble;\n proto$2.clone = clone$1;\n proto$2.get = get$2;\n proto$2.milliseconds = milliseconds;\n proto$2.seconds = seconds;\n proto$2.minutes = minutes;\n proto$2.hours = hours;\n proto$2.days = days;\n proto$2.weeks = weeks;\n proto$2.months = months;\n proto$2.years = years;\n proto$2.humanize = humanize;\n proto$2.toISOString = toISOString$1;\n proto$2.toString = toISOString$1;\n proto$2.toJSON = toISOString$1;\n proto$2.locale = locale;\n proto$2.localeData = localeData;\n proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);\n proto$2.lang = lang; // FORMATTING\n\n addFormatToken('X', 0, 0, 'unix');\n addFormatToken('x', 0, 0, 'valueOf'); // PARSING\n\n addRegexToken('x', matchSigned);\n addRegexToken('X', matchTimestamp);\n addParseToken('X', function (input, array, config) {\n config._d = new Date(parseFloat(input) * 1000);\n });\n addParseToken('x', function (input, array, config) {\n config._d = new Date(toInt(input));\n }); //! moment.js\n\n hooks.version = '2.29.1';\n setHookCallback(createLocal);\n hooks.fn = proto;\n hooks.min = min;\n hooks.max = max;\n hooks.now = now;\n hooks.utc = createUTC;\n hooks.unix = createUnix;\n hooks.months = listMonths;\n hooks.isDate = isDate;\n hooks.locale = getSetGlobalLocale;\n hooks.invalid = createInvalid;\n hooks.duration = createDuration;\n hooks.isMoment = isMoment;\n hooks.weekdays = listWeekdays;\n hooks.parseZone = createInZone;\n hooks.localeData = getLocale;\n hooks.isDuration = isDuration;\n hooks.monthsShort = listMonthsShort;\n hooks.weekdaysMin = listWeekdaysMin;\n hooks.defineLocale = defineLocale;\n hooks.updateLocale = updateLocale;\n hooks.locales = listLocales;\n hooks.weekdaysShort = listWeekdaysShort;\n hooks.normalizeUnits = normalizeUnits;\n hooks.relativeTimeRounding = getSetRelativeTimeRounding;\n hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\n hooks.calendarFormat = getCalendarFormat;\n hooks.prototype = proto; // currently HTML5 input type only supports 24-hour formats\n\n hooks.HTML5_FMT = {\n DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm',\n // \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;\n(function () {\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n /** Used as the semantic version number. */\n\n var VERSION = '4.17.20';\n /** Used as the size to enable large array optimizations. */\n\n var LARGE_ARRAY_SIZE = 200;\n /** Error message constants. */\n\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function';\n /** Used to stand-in for `undefined` hash values. */\n\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n /** Used as the maximum memoize cache size. */\n\n var MAX_MEMOIZE_SIZE = 500;\n /** Used as the internal argument placeholder. */\n\n var PLACEHOLDER = '__lodash_placeholder__';\n /** Used to compose bitmasks for cloning. */\n\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n /** Used to compose bitmasks for value comparisons. */\n\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n /** Used to compose bitmasks for function metadata. */\n\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n /** Used as default options for `_.truncate`. */\n\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n /** Used to indicate the type of lazy iteratees. */\n\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n /** Used as references for various `Number` constants. */\n\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n /** Used as references for the maximum length and index of an array. */\n\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n /** Used to associate wrap methods with their bit flags. */\n\n var wrapFlags = [['ary', WRAP_ARY_FLAG], ['bind', WRAP_BIND_FLAG], ['bindKey', WRAP_BIND_KEY_FLAG], ['curry', WRAP_CURRY_FLAG], ['curryRight', WRAP_CURRY_RIGHT_FLAG], ['flip', WRAP_FLIP_FLAG], ['partial', WRAP_PARTIAL_FLAG], ['partialRight', WRAP_PARTIAL_RIGHT_FLAG], ['rearg', WRAP_REARG_FLAG]];\n /** `Object#toString` result references. */\n\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n /** Used to match empty string literals in compiled template source. */\n\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n /** Used to match HTML entities and HTML characters. */\n\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n /** Used to match template delimiters. */\n\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n /** Used to match property names within property paths. */\n\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n /** Used to match leading and trailing whitespace. */\n\n var reTrim = /^\\s+|\\s+$/g,\n reTrimStart = /^\\s+/,\n reTrimEnd = /\\s+$/;\n /** Used to match wrap detail comments. */\n\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n /** Used to match words composed of alphanumeric characters. */\n\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n /** Used to match backslashes in property paths. */\n\n var reEscapeChar = /\\\\(\\\\)?/g;\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n /** Used to match `RegExp` flags from their coerced string values. */\n\n var reFlags = /\\w*$/;\n /** Used to detect bad signed hexadecimal string values. */\n\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n /** Used to detect binary string values. */\n\n var reIsBinary = /^0b[01]+$/i;\n /** Used to detect host constructors (Safari). */\n\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n /** Used to detect octal string values. */\n\n var reIsOctal = /^0o[0-7]+$/i;\n /** Used to detect unsigned integer values. */\n\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n /** Used to ensure capturing order of template delimiters. */\n\n var reNoMatch = /($^)/;\n /** Used to match unescaped characters in compiled string literals. */\n\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n /** Used to compose unicode character classes. */\n\n var rsAstralRange = \"\\\\ud800-\\\\udfff\",\n rsComboMarksRange = \"\\\\u0300-\\\\u036f\",\n reComboHalfMarksRange = \"\\\\ufe20-\\\\ufe2f\",\n rsComboSymbolsRange = \"\\\\u20d0-\\\\u20ff\",\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = \"\\\\u2700-\\\\u27bf\",\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = \"\\\\u2000-\\\\u206f\",\n rsSpaceRange = \" \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000\",\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = \"\\\\ufe0e\\\\ufe0f\",\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n /** Used to compose unicode capture groups. */\n\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = \"\\\\ud83c[\\\\udffb-\\\\udfff]\",\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = \"(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}\",\n rsSurrPair = \"[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]\",\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = \"\\\\u200d\";\n /** Used to compose unicode regexes. */\n\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n /** Used to match apostrophes. */\n\n var reApos = RegExp(rsApos, 'g');\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n\n var reComboMark = RegExp(rsCombo, 'g');\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n /** Used to match complex or compound words. */\n\n var reUnicodeWord = RegExp([rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')', rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')', rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower, rsUpper + '+' + rsOptContrUpper, rsOrdUpper, rsOrdLower, rsDigits, rsEmoji].join('|'), 'g');\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n /** Used to detect strings that need a more robust regexp to match words. */\n\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n /** Used to assign default `context` object properties. */\n\n var contextProps = ['Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array', 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object', 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array', 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap', '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'];\n /** Used to make template sourceURLs easier to identify. */\n\n var templateCounter = -1;\n /** Used to identify `toStringTag` values of typed arrays. */\n\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] = cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] = cloneableTags[boolTag] = cloneableTags[dateTag] = cloneableTags[float32Tag] = cloneableTags[float64Tag] = cloneableTags[int8Tag] = cloneableTags[int16Tag] = cloneableTags[int32Tag] = cloneableTags[mapTag] = cloneableTags[numberTag] = cloneableTags[objectTag] = cloneableTags[regexpTag] = cloneableTags[setTag] = cloneableTags[stringTag] = cloneableTags[symbolTag] = cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] = cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] = cloneableTags[weakMapTag] = false;\n /** Used to map Latin Unicode letters to basic Latin letters. */\n\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A',\n '\\xc1': 'A',\n '\\xc2': 'A',\n '\\xc3': 'A',\n '\\xc4': 'A',\n '\\xc5': 'A',\n '\\xe0': 'a',\n '\\xe1': 'a',\n '\\xe2': 'a',\n '\\xe3': 'a',\n '\\xe4': 'a',\n '\\xe5': 'a',\n '\\xc7': 'C',\n '\\xe7': 'c',\n '\\xd0': 'D',\n '\\xf0': 'd',\n '\\xc8': 'E',\n '\\xc9': 'E',\n '\\xca': 'E',\n '\\xcb': 'E',\n '\\xe8': 'e',\n '\\xe9': 'e',\n '\\xea': 'e',\n '\\xeb': 'e',\n '\\xcc': 'I',\n '\\xcd': 'I',\n '\\xce': 'I',\n '\\xcf': 'I',\n '\\xec': 'i',\n '\\xed': 'i',\n '\\xee': 'i',\n '\\xef': 'i',\n '\\xd1': 'N',\n '\\xf1': 'n',\n '\\xd2': 'O',\n '\\xd3': 'O',\n '\\xd4': 'O',\n '\\xd5': 'O',\n '\\xd6': 'O',\n '\\xd8': 'O',\n '\\xf2': 'o',\n '\\xf3': 'o',\n '\\xf4': 'o',\n '\\xf5': 'o',\n '\\xf6': 'o',\n '\\xf8': 'o',\n '\\xd9': 'U',\n '\\xda': 'U',\n '\\xdb': 'U',\n '\\xdc': 'U',\n '\\xf9': 'u',\n '\\xfa': 'u',\n '\\xfb': 'u',\n '\\xfc': 'u',\n '\\xdd': 'Y',\n '\\xfd': 'y',\n '\\xff': 'y',\n '\\xc6': 'Ae',\n '\\xe6': 'ae',\n '\\xde': 'Th',\n '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n \"\\u0100\": 'A',\n \"\\u0102\": 'A',\n \"\\u0104\": 'A',\n \"\\u0101\": 'a',\n \"\\u0103\": 'a',\n \"\\u0105\": 'a',\n \"\\u0106\": 'C',\n \"\\u0108\": 'C',\n \"\\u010A\": 'C',\n \"\\u010C\": 'C',\n \"\\u0107\": 'c',\n \"\\u0109\": 'c',\n \"\\u010B\": 'c',\n \"\\u010D\": 'c',\n \"\\u010E\": 'D',\n \"\\u0110\": 'D',\n \"\\u010F\": 'd',\n \"\\u0111\": 'd',\n \"\\u0112\": 'E',\n \"\\u0114\": 'E',\n \"\\u0116\": 'E',\n \"\\u0118\": 'E',\n \"\\u011A\": 'E',\n \"\\u0113\": 'e',\n \"\\u0115\": 'e',\n \"\\u0117\": 'e',\n \"\\u0119\": 'e',\n \"\\u011B\": 'e',\n \"\\u011C\": 'G',\n \"\\u011E\": 'G',\n \"\\u0120\": 'G',\n \"\\u0122\": 'G',\n \"\\u011D\": 'g',\n \"\\u011F\": 'g',\n \"\\u0121\": 'g',\n \"\\u0123\": 'g',\n \"\\u0124\": 'H',\n \"\\u0126\": 'H',\n \"\\u0125\": 'h',\n \"\\u0127\": 'h',\n \"\\u0128\": 'I',\n \"\\u012A\": 'I',\n \"\\u012C\": 'I',\n \"\\u012E\": 'I',\n \"\\u0130\": 'I',\n \"\\u0129\": 'i',\n \"\\u012B\": 'i',\n \"\\u012D\": 'i',\n \"\\u012F\": 'i',\n \"\\u0131\": 'i',\n \"\\u0134\": 'J',\n \"\\u0135\": 'j',\n \"\\u0136\": 'K',\n \"\\u0137\": 'k',\n \"\\u0138\": 'k',\n \"\\u0139\": 'L',\n \"\\u013B\": 'L',\n \"\\u013D\": 'L',\n \"\\u013F\": 'L',\n \"\\u0141\": 'L',\n \"\\u013A\": 'l',\n \"\\u013C\": 'l',\n \"\\u013E\": 'l',\n \"\\u0140\": 'l',\n \"\\u0142\": 'l',\n \"\\u0143\": 'N',\n \"\\u0145\": 'N',\n \"\\u0147\": 'N',\n \"\\u014A\": 'N',\n \"\\u0144\": 'n',\n \"\\u0146\": 'n',\n \"\\u0148\": 'n',\n \"\\u014B\": 'n',\n \"\\u014C\": 'O',\n \"\\u014E\": 'O',\n \"\\u0150\": 'O',\n \"\\u014D\": 'o',\n \"\\u014F\": 'o',\n \"\\u0151\": 'o',\n \"\\u0154\": 'R',\n \"\\u0156\": 'R',\n \"\\u0158\": 'R',\n \"\\u0155\": 'r',\n \"\\u0157\": 'r',\n \"\\u0159\": 'r',\n \"\\u015A\": 'S',\n \"\\u015C\": 'S',\n \"\\u015E\": 'S',\n \"\\u0160\": 'S',\n \"\\u015B\": 's',\n \"\\u015D\": 's',\n \"\\u015F\": 's',\n \"\\u0161\": 's',\n \"\\u0162\": 'T',\n \"\\u0164\": 'T',\n \"\\u0166\": 'T',\n \"\\u0163\": 't',\n \"\\u0165\": 't',\n \"\\u0167\": 't',\n \"\\u0168\": 'U',\n \"\\u016A\": 'U',\n \"\\u016C\": 'U',\n \"\\u016E\": 'U',\n \"\\u0170\": 'U',\n \"\\u0172\": 'U',\n \"\\u0169\": 'u',\n \"\\u016B\": 'u',\n \"\\u016D\": 'u',\n \"\\u016F\": 'u',\n \"\\u0171\": 'u',\n \"\\u0173\": 'u',\n \"\\u0174\": 'W',\n \"\\u0175\": 'w',\n \"\\u0176\": 'Y',\n \"\\u0177\": 'y',\n \"\\u0178\": 'Y',\n \"\\u0179\": 'Z',\n \"\\u017B\": 'Z',\n \"\\u017D\": 'Z',\n \"\\u017A\": 'z',\n \"\\u017C\": 'z',\n \"\\u017E\": 'z',\n \"\\u0132\": 'IJ',\n \"\\u0133\": 'ij',\n \"\\u0152\": 'Oe',\n \"\\u0153\": 'oe',\n \"\\u0149\": \"'n\",\n \"\\u017F\": 's'\n };\n /** Used to map characters to HTML entities. */\n\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n /** Used to map HTML entities to characters. */\n\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n /** Used to escape characters for inclusion in compiled string literals. */\n\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n \"\\u2028\": 'u2028',\n \"\\u2029\": 'u2029'\n };\n /** Built-in method references without a dependency on `root`. */\n\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n /** Detect free variable `global` from Node.js. */\n\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n /** Detect free variable `self`. */\n\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n /** Used as a reference to the global object. */\n\n var root = freeGlobal || freeSelf || Function('return this')();\n /** Detect free variable `exports`. */\n\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n /** Detect free variable `module`. */\n\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n /** Detect the popular CommonJS extension `module.exports`. */\n\n var moduleExports = freeModule && freeModule.exports === freeExports;\n /** Detect free variable `process` from Node.js. */\n\n var freeProcess = moduleExports && freeGlobal.process;\n /** Used to access faster Node.js helpers. */\n\n var nodeUtil = function () {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n } // Legacy `process.binding('util')` for Node.js < 10.\n\n\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }();\n /* Node.js helper references. */\n\n\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0:\n return func.call(thisArg);\n\n case 1:\n return func.call(thisArg, args[0]);\n\n case 2:\n return func.call(thisArg, args[0], args[1]);\n\n case 3:\n return func.call(thisArg, args[0], args[1], args[2]);\n }\n\n return func.apply(thisArg, args);\n }\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n\n\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n\n return accumulator;\n }\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n\n\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n\n return array;\n }\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n\n\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n\n return array;\n }\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n\n\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n\n return true;\n }\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n\n\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n\n return result;\n }\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n\n\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n\n\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n\n return false;\n }\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n\n\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n\n return result;\n }\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n\n\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n\n return array;\n }\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n\n\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n\n return accumulator;\n }\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n\n\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[--length];\n }\n\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n\n return accumulator;\n }\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n\n\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n\n return false;\n }\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n\n\n var asciiSize = baseProperty('length');\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n\n function asciiToArray(string) {\n return string.split('');\n }\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n\n\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n\n\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function (value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n\n\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while (fromRight ? index-- : ++index < length) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n\n return -1;\n }\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n\n\n function baseIndexOf(array, value, fromIndex) {\n return value === value ? strictIndexOf(array, value, fromIndex) : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n\n\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n\n return -1;\n }\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n\n\n function baseIsNaN(value) {\n return value !== value;\n }\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n\n\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? baseSum(array, iteratee) / length : NAN;\n }\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n\n\n function baseProperty(key) {\n return function (object) {\n return object == null ? undefined : object[key];\n };\n }\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n\n\n function basePropertyOf(object) {\n return function (key) {\n return object == null ? undefined : object[key];\n };\n }\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n\n\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function (value, index, collection) {\n accumulator = initAccum ? (initAccum = false, value) : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n\n\n function baseSortBy(array, comparer) {\n var length = array.length;\n array.sort(comparer);\n\n while (length--) {\n array[length] = array[length].value;\n }\n\n return array;\n }\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n\n\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n\n if (current !== undefined) {\n result = result === undefined ? current : result + current;\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n\n\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n\n return result;\n }\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n\n\n function baseToPairs(object, props) {\n return arrayMap(props, function (key) {\n return [key, object[key]];\n });\n }\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n\n\n function baseUnary(func) {\n return function (value) {\n return func(value);\n };\n }\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n\n\n function baseValues(object, props) {\n return arrayMap(props, function (key) {\n return object[key];\n });\n }\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n\n\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n\n\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\n return index;\n }\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n\n\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\n return index;\n }\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n\n\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n\n return result;\n }\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n\n\n var deburrLetter = basePropertyOf(deburredLetters);\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n\n\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n\n\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n\n\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n\n\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n\n return result;\n }\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n\n\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n map.forEach(function (value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n\n\n function overArg(func, transform) {\n return function (arg) {\n return func(transform(arg));\n };\n }\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n\n\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n\n return result;\n }\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n\n\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n set.forEach(function (value) {\n result[++index] = value;\n });\n return result;\n }\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n\n\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n set.forEach(function (value) {\n result[++index] = [value, value];\n });\n return result;\n }\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n\n\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n\n return -1;\n }\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n\n\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n\n return index;\n }\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n\n\n function stringSize(string) {\n return hasUnicode(string) ? unicodeSize(string) : asciiSize(string);\n }\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n\n\n function stringToArray(string) {\n return hasUnicode(string) ? unicodeToArray(string) : asciiToArray(string);\n }\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n\n\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n\n while (reUnicode.test(string)) {\n ++result;\n }\n\n return result;\n }\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n\n\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n\n\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n\n\n var runInContext = function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n /** Built-in constructor references. */\n\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n /** Used for built-in method references. */\n\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n /** Used to detect overreaching core-js shims. */\n\n var coreJsData = context['__core-js_shared__'];\n /** Used to resolve the decompiled source of functions. */\n\n var funcToString = funcProto.toString;\n /** Used to check objects for own properties. */\n\n var hasOwnProperty = objectProto.hasOwnProperty;\n /** Used to generate unique IDs. */\n\n var idCounter = 0;\n /** Used to detect methods masquerading as native. */\n\n var maskSrcKey = function () {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? 'Symbol(src)_1.' + uid : '';\n }();\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n\n\n var nativeObjectToString = objectProto.toString;\n /** Used to infer the `Object` constructor. */\n\n var objectCtorString = funcToString.call(Object);\n /** Used to restore the original `_` reference in `_.noConflict`. */\n\n var oldDash = root._;\n /** Used to detect if a method is native. */\n\n var reIsNative = RegExp('^' + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&').replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$');\n /** Built-in value references. */\n\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = function () {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }();\n /** Mocked built-ins. */\n\n\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n /* Built-in method references for those with the same name as other `lodash` methods. */\n\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n /* Built-in method references that are verified to be native. */\n\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n /** Used to store function metadata. */\n\n var metaMap = WeakMap && new WeakMap();\n /** Used to lookup unminified function names. */\n\n var realNames = {};\n /** Used to detect maps, sets, and weakmaps. */\n\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n /** Used to convert symbols to primitives and strings. */\n\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n\n return new LodashWrapper(value);\n }\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n\n\n var baseCreate = function () {\n function object() {}\n\n return function (proto) {\n if (!isObject(proto)) {\n return {};\n }\n\n if (objectCreate) {\n return objectCreate(proto);\n }\n\n object.prototype = proto;\n var result = new object();\n object.prototype = undefined;\n return result;\n };\n }();\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n\n\n function baseLodash() {// No operation performed.\n }\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n\n\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n\n\n lodash.templateSettings = {\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n }; // Ensure wrappers are instances of `baseLodash`.\n\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n\n\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n\n\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n\n return result;\n }\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n\n\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : start - 1,\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || !isRight && arrLength == length && takeCount == length) {\n return baseWrapperValue(array, this.__actions__);\n }\n\n var result = [];\n\n outer: while (length-- && resIndex < takeCount) {\n index += dir;\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n\n result[resIndex++] = value;\n }\n\n return result;\n } // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\n\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n this.clear();\n\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n\n\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n\n\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n\n\n function hashGet(key) {\n var data = this.__data__;\n\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n\n\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);\n }\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n\n\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = nativeCreate && value === undefined ? HASH_UNDEFINED : value;\n return this;\n } // Add methods to `Hash`.\n\n\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n this.clear();\n\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n\n\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n\n\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n\n var lastIndex = data.length - 1;\n\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n\n --this.size;\n return true;\n }\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n\n\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n return index < 0 ? undefined : data[index][1];\n }\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n\n\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n\n\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n\n return this;\n } // Add methods to `ListCache`.\n\n\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n this.clear();\n\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n\n\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash(),\n 'map': new (Map || ListCache)(),\n 'string': new Hash()\n };\n }\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n\n\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n\n\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n\n\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n\n\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n } // Add methods to `MapCache`.\n\n\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n this.__data__ = new MapCache();\n\n while (++index < length) {\n this.add(values[index]);\n }\n }\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n\n\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n\n return this;\n }\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n\n\n function setCacheHas(value) {\n return this.__data__.has(value);\n } // Add methods to `SetCache`.\n\n\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n\n\n function stackClear() {\n this.__data__ = new ListCache();\n this.size = 0;\n }\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n\n\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n this.size = data.size;\n return result;\n }\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n\n\n function stackGet(key) {\n return this.__data__.get(key);\n }\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n\n\n function stackHas(key) {\n return this.__data__.has(key);\n }\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n\n\n function stackSet(key, value) {\n var data = this.__data__;\n\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n\n if (!Map || pairs.length < LARGE_ARRAY_SIZE - 1) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n\n data = this.__data__ = new MapCache(pairs);\n }\n\n data.set(key, value);\n this.size = data.size;\n return this;\n } // Add methods to `Stack`.\n\n\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) && !(skipIndexes && ( // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' || // Node.js 0.10 has enumerable non-index properties on buffers.\n isBuff && (key == 'offset' || key == 'parent') || // PhantomJS 2 has enumerable non-index properties on typed arrays.\n isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset') || // Skip index properties.\n isIndex(key, length)))) {\n result.push(key);\n }\n }\n\n return result;\n }\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n\n\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n\n\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n\n\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n\n\n function assignMergeValue(object, key, value) {\n if (value !== undefined && !eq(object[key], value) || value === undefined && !(key in object)) {\n baseAssignValue(object, key, value);\n }\n }\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n\n\n function assignValue(object, key, value) {\n var objValue = object[key];\n\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || value === undefined && !(key in object)) {\n baseAssignValue(object, key, value);\n }\n }\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n\n\n function assocIndexOf(array, key) {\n var length = array.length;\n\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n\n return -1;\n }\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n\n\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function (value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n\n\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n\n\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n\n\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n\n\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n\n return result;\n }\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n\n\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n\n return number;\n }\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n\n\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n\n if (result !== undefined) {\n return result;\n }\n\n if (!isObject(value)) {\n return value;\n }\n\n var isArr = isArray(value);\n\n if (isArr) {\n result = initCloneArray(value);\n\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n\n if (tag == objectTag || tag == argsTag || isFunc && !object) {\n result = isFlat || isFunc ? {} : initCloneObject(value);\n\n if (!isDeep) {\n return isFlat ? copySymbolsIn(value, baseAssignIn(result, value)) : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n\n result = initCloneByTag(value, tag, isDeep);\n }\n } // Check for circular references and return its corresponding clone.\n\n\n stack || (stack = new Stack());\n var stacked = stack.get(value);\n\n if (stacked) {\n return stacked;\n }\n\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function (subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function (subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull ? isFlat ? getAllKeysIn : getAllKeys : isFlat ? keysIn : keys;\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function (subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n } // Recursively populate clone (susceptible to call stack limits).\n\n\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n\n\n function baseConforms(source) {\n var props = keys(source);\n return function (object) {\n return baseConformsTo(object, source, props);\n };\n }\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n\n\n function baseConformsTo(object, source, props) {\n var length = props.length;\n\n if (object == null) {\n return !length;\n }\n\n object = Object(object);\n\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if (value === undefined && !(key in object) || !predicate(value)) {\n return false;\n }\n }\n\n return true;\n }\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n\n\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n return setTimeout(function () {\n func.apply(undefined, args);\n }, wait);\n }\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n\n\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n } else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n\n outer: while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n value = comparator || value !== 0 ? value : 0;\n\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n\n result.push(value);\n } else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n\n\n var baseEach = createBaseEach(baseForOwn);\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function (value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n\n\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined ? current === current && !isSymbol(current) : comparator(current, computed))) {\n var computed = current,\n result = value;\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n\n\n function baseFill(array, value, start, end) {\n var length = array.length;\n start = toInteger(start);\n\n if (start < 0) {\n start = -start > length ? 0 : length + start;\n }\n\n end = end === undefined || end > length ? length : toInteger(end);\n\n if (end < 0) {\n end += length;\n }\n\n end = start > end ? 0 : toLength(end);\n\n while (start < end) {\n array[start++] = value;\n }\n\n return array;\n }\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n\n\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function (value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n\n\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n\n\n var baseFor = createBaseFor();\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n\n var baseForRight = createBaseFor(true);\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n\n\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n\n\n function baseFunctions(object, props) {\n return arrayFilter(props, function (key) {\n return isFunction(object[key]);\n });\n }\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n\n\n function baseGet(object, path) {\n path = castPath(path, object);\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n\n return index && index == length ? object : undefined;\n }\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n\n\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n\n\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n\n return symToStringTag && symToStringTag in Object(value) ? getRawTag(value) : objectToString(value);\n }\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n\n\n function baseGt(value, other) {\n return value > other;\n }\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n\n\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n\n\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n\n\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n\n\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || length >= 120 && array.length >= 120) ? new SetCache(othIndex && array) : undefined;\n }\n\n array = arrays[0];\n var index = -1,\n seen = caches[0];\n\n outer: while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n value = comparator || value !== 0 ? value : 0;\n\n if (!(seen ? cacheHas(seen, computed) : includes(result, computed, comparator))) {\n othIndex = othLength;\n\n while (--othIndex) {\n var cache = caches[othIndex];\n\n if (!(cache ? cacheHas(cache, computed) : includes(arrays[othIndex], computed, comparator))) {\n continue outer;\n }\n }\n\n if (seen) {\n seen.push(computed);\n }\n\n result.push(value);\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n\n\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function (value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n\n\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n\n\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n\n\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n\n\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n\n\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n\n if (value == null || other == null || !isObjectLike(value) && !isObjectLike(other)) {\n return value !== value && other !== other;\n }\n\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n\n\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n\n objIsArr = true;\n objIsObj = false;\n }\n\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack());\n return objIsArr || isTypedArray(object) ? equalArrays(object, other, bitmask, customizer, equalFunc, stack) : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n stack || (stack = new Stack());\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n\n if (!isSameTag) {\n return false;\n }\n\n stack || (stack = new Stack());\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n\n\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n\n\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n\n object = Object(object);\n\n while (index--) {\n var data = matchData[index];\n\n if (noCustomizer && data[2] ? data[1] !== object[data[0]] : !(data[0] in object)) {\n return false;\n }\n }\n\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack();\n\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n\n if (!(result === undefined ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack) : result)) {\n return false;\n }\n }\n }\n\n return true;\n }\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n\n\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n\n\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n\n\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n\n\n function baseIsTypedArray(value) {\n return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n\n\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n\n if (value == null) {\n return identity;\n }\n\n if (typeof value == 'object') {\n return isArray(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value);\n }\n\n return property(value);\n }\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n\n\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n\n var result = [];\n\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n\n\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n\n\n function baseLt(value, other) {\n return value < other;\n }\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n\n\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n baseEach(collection, function (value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n\n\n function baseMatches(source) {\n var matchData = getMatchData(source);\n\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n\n return function (object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n\n\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n\n return function (object) {\n var objValue = get(object, path);\n return objValue === undefined && objValue === srcValue ? hasIn(object, path) : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n\n\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n\n baseFor(source, function (srcValue, key) {\n stack || (stack = new Stack());\n\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n } else {\n var newValue = customizer ? customizer(safeGet(object, key), srcValue, key + '', object, source, stack) : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n\n\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n\n var newValue = customizer ? customizer(objValue, srcValue, key + '', object, source, stack) : undefined;\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n newValue = srcValue;\n\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n } else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n } else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n } else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n } else {\n newValue = [];\n }\n } else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n } else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n } else {\n isCommon = false;\n }\n }\n\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n\n assignMergeValue(object, key, newValue);\n }\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n\n\n function baseNth(array, n) {\n var length = array.length;\n\n if (!length) {\n return;\n }\n\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n\n\n function baseOrderBy(collection, iteratees, orders) {\n if (iteratees.length) {\n iteratees = arrayMap(iteratees, function (iteratee) {\n if (isArray(iteratee)) {\n return function (value) {\n return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n };\n }\n\n return iteratee;\n });\n } else {\n iteratees = [identity];\n }\n\n var index = -1;\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n var result = baseMap(collection, function (value, key, collection) {\n var criteria = arrayMap(iteratees, function (iteratee) {\n return iteratee(value);\n });\n return {\n 'criteria': criteria,\n 'index': ++index,\n 'value': value\n };\n });\n return baseSortBy(result, function (object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n\n\n function basePick(object, paths) {\n return basePickBy(object, paths, function (value, path) {\n return hasIn(object, path);\n });\n }\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n\n\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n\n return result;\n }\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n\n\n function basePropertyDeep(path) {\n return function (object) {\n return baseGet(object, path);\n };\n }\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n\n\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n\n splice.call(array, fromIndex, 1);\n }\n }\n\n return array;\n }\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n\n\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n\n if (length == lastIndex || index !== previous) {\n var previous = index;\n\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n\n return array;\n }\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n\n\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n\n\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n\n return result;\n }\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n\n\n function baseRepeat(string, n) {\n var result = '';\n\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n } // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\n\n do {\n if (n % 2) {\n result += string;\n }\n\n n = nativeFloor(n / 2);\n\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n\n\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n\n\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n\n\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n\n\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n\n path = castPath(path, object);\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n return object;\n }\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\n if (newValue === undefined) {\n newValue = isObject(objValue) ? objValue : isIndex(path[index + 1]) ? [] : {};\n }\n }\n\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n\n return object;\n }\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n\n\n var baseSetData = !metaMap ? identity : function (func, data) {\n metaMap.set(func, data);\n return func;\n };\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n\n var baseSetToString = !defineProperty ? identity : function (func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n\n\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : length + start;\n }\n\n end = end > length ? length : end;\n\n if (end < 0) {\n end += length;\n }\n\n length = start > end ? 0 : end - start >>> 0;\n start >>>= 0;\n var result = Array(length);\n\n while (++index < length) {\n result[index] = array[index + start];\n }\n\n return result;\n }\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n\n\n function baseSome(collection, predicate) {\n var result;\n baseEach(collection, function (value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n\n\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = low + high >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) && (retHighest ? computed <= value : computed < value)) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n\n return high;\n }\n\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n\n\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n var low = 0,\n high = array == null ? 0 : array.length;\n\n if (high === 0) {\n return 0;\n }\n\n value = iteratee(value);\n var valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? computed <= value : computed < value;\n }\n\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n\n\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n\n\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n\n if (isSymbol(value)) {\n return NAN;\n }\n\n return +value;\n }\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n\n\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n\n var result = value + '';\n return result == '0' && 1 / value == -INFINITY ? '-0' : result;\n }\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n\n\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n } else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n\n if (set) {\n return setToArray(set);\n }\n\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache();\n } else {\n seen = iteratee ? [] : result;\n }\n\n outer: while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n value = comparator || value !== 0 ? value : 0;\n\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n\n if (iteratee) {\n seen.push(computed);\n }\n\n result.push(value);\n } else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n\n result.push(value);\n }\n }\n\n return result;\n }\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n\n\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n\n\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n\n\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) && predicate(array[index], index, array)) {}\n\n return isDrop ? baseSlice(array, fromRight ? 0 : index, fromRight ? index + 1 : length) : baseSlice(array, fromRight ? index + 1 : 0, fromRight ? length : index);\n }\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n\n\n function baseWrapperValue(value, actions) {\n var result = value;\n\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n\n return arrayReduce(actions, function (result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n\n\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n\n\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n\n return result;\n }\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n\n\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n\n\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n\n\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n\n\n var castRest = baseRest;\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return !start && end >= length ? array : baseSlice(array, start, end);\n }\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n\n\n var clearTimeout = ctxClearTimeout || function (id) {\n return root.clearTimeout(id);\n };\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n\n\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n buffer.copy(result);\n return result;\n }\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n\n\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n\n\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n\n\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n\n\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n\n\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n\n\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if (!othIsNull && !othIsSymbol && !valIsSymbol && value > other || valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol || valIsNull && othIsDefined && othIsReflexive || !valIsDefined && othIsReflexive || !valIsReflexive) {\n return 1;\n }\n\n if (!valIsNull && !valIsSymbol && !othIsSymbol && value < other || othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol || othIsNull && valIsDefined && valIsReflexive || !othIsDefined && valIsReflexive || !othIsReflexive) {\n return -1;\n }\n }\n\n return 0;\n }\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n\n\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n } // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\n\n return object.index - other.index;\n }\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n\n\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n\n return result;\n }\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n\n\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n\n var offset = argsIndex;\n\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n\n return result;\n }\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n\n\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n array || (array = Array(length));\n\n while (++index < length) {\n array[index] = source[index];\n }\n\n return array;\n }\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n\n\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n var newValue = customizer ? customizer(object[key], source[key], key, object, source) : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n\n return object;\n }\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n\n\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n\n\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n\n\n function createAggregator(setter, initializer) {\n return function (collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n\n\n function createAssigner(assigner) {\n return baseRest(function (object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n customizer = assigner.length > 3 && typeof customizer == 'function' ? (length--, customizer) : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n\n object = Object(object);\n\n while (++index < length) {\n var source = sources[index];\n\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n\n return object;\n });\n }\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n\n\n function createBaseEach(eachFunc, fromRight) {\n return function (collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while (fromRight ? index-- : ++index < length) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n\n return collection;\n };\n }\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n\n\n function createBaseFor(fromRight) {\n return function (object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n\n return object;\n };\n }\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = this && this !== root && this instanceof wrapper ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n\n return wrapper;\n }\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n\n\n function createCaseFirst(methodName) {\n return function (string) {\n string = toString(string);\n var strSymbols = hasUnicode(string) ? stringToArray(string) : undefined;\n var chr = strSymbols ? strSymbols[0] : string.charAt(0);\n var trailing = strSymbols ? castSlice(strSymbols, 1).join('') : string.slice(1);\n return chr[methodName]() + trailing;\n };\n }\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n\n\n function createCompounder(callback) {\n return function (string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createCtor(Ctor) {\n return function () {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n\n switch (args.length) {\n case 0:\n return new Ctor();\n\n case 1:\n return new Ctor(args[0]);\n\n case 2:\n return new Ctor(args[0], args[1]);\n\n case 3:\n return new Ctor(args[0], args[1], args[2]);\n\n case 4:\n return new Ctor(args[0], args[1], args[2], args[3]);\n\n case 5:\n return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\n case 6:\n return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\n case 7:\n return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args); // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n\n return isObject(result) ? result : thisBinding;\n };\n }\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n\n var holders = length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder ? [] : replaceHolders(args, placeholder);\n length -= holders.length;\n\n if (length < arity) {\n return createRecurry(func, bitmask, createHybrid, wrapper.placeholder, undefined, args, holders, undefined, undefined, arity - length);\n }\n\n var fn = this && this !== root && this instanceof wrapper ? Ctor : func;\n return apply(fn, this, args);\n }\n\n return wrapper;\n }\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n\n\n function createFind(findIndexFunc) {\n return function (collection, predicate, fromIndex) {\n var iterable = Object(collection);\n\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n\n predicate = function predicate(key) {\n return iteratee(iterable[key], key, iterable);\n };\n }\n\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n\n\n function createFlow(fromRight) {\n return flatRest(function (funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n\n while (index--) {\n var func = funcs[index];\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n\n index = wrapper ? index : length;\n\n while (++index < length) {\n func = funcs[index];\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) && data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) && !data[4].length && data[9] == 1) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = func.length == 1 && isLaziable(func) ? wrapper[funcName]() : wrapper.thru(func);\n }\n }\n\n return function () {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n\n return result;\n };\n });\n }\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n\n length -= holdersCount;\n\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(func, bitmask, createHybrid, wrapper.placeholder, thisArg, args, newHolders, argPos, ary, arity - length);\n }\n\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n length = args.length;\n\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n\n if (isAry && ary < length) {\n args.length = ary;\n }\n\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n\n return fn.apply(thisBinding, args);\n }\n\n return wrapper;\n }\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n\n\n function createInverter(setter, toIteratee) {\n return function (object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n\n\n function createMathOperation(operator, defaultValue) {\n return function (value, other) {\n var result;\n\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n\n if (value !== undefined) {\n result = value;\n }\n\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n\n result = operator(value, other);\n }\n\n return result;\n };\n }\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n\n\n function createOver(arrayFunc) {\n return flatRest(function (iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function (args) {\n var thisArg = this;\n return arrayFunc(iteratees, function (iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n\n\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n var charsLength = chars.length;\n\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars) ? castSlice(stringToArray(result), 0, length).join('') : result.slice(0, length);\n }\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = this && this !== root && this instanceof wrapper ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n\n return apply(fn, isBind ? thisArg : this, args);\n }\n\n return wrapper;\n }\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n\n\n function createRange(fromRight) {\n return function (start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n } // Ensure the sign of `-0` is preserved.\n\n\n start = toFinite(start);\n\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n\n step = step === undefined ? start < end ? 1 : -1 : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n\n\n function createRelationalOperation(operator) {\n return function (value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n\n return operator(value, other);\n };\n }\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n bitmask |= isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG;\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n\n var newData = [func, bitmask, thisArg, newPartials, newHolders, newPartialsRight, newHoldersRight, argPos, ary, arity];\n var result = wrapFunc.apply(undefined, newData);\n\n if (isLaziable(func)) {\n setData(result, newData);\n }\n\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n\n\n function createRound(methodName) {\n var func = Math[methodName];\n return function (number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n\n return func(number);\n };\n }\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n\n\n var createSet = !(Set && 1 / setToArray(new Set([, -0]))[1] == INFINITY) ? noop : function (values) {\n return new Set(values);\n };\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n\n function createToPairs(keysFunc) {\n return function (object) {\n var tag = getTag(object);\n\n if (tag == mapTag) {\n return mapToArray(object);\n }\n\n if (tag == setTag) {\n return setToPairs(object);\n }\n\n return baseToPairs(object, keysFunc(object));\n };\n }\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n\n\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n var length = partials ? partials.length : 0;\n\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n partials = holders = undefined;\n }\n\n var data = isBindKey ? undefined : getData(func);\n var newData = [func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity];\n\n if (data) {\n mergeData(newData, data);\n }\n\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined ? isBindKey ? 0 : func.length : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n\n\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined || eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key)) {\n return srcValue;\n }\n\n return objValue;\n }\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n\n\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n\n return objValue;\n }\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n\n\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n\n\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n } // Check that cyclic values are equal.\n\n\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n\n var index = -1,\n result = true,\n seen = bitmask & COMPARE_UNORDERED_FLAG ? new SetCache() : undefined;\n stack.set(array, other);\n stack.set(other, array); // Ignore non-index properties.\n\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial ? customizer(othValue, arrValue, index, other, array, stack) : customizer(arrValue, othValue, index, array, other, stack);\n }\n\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n\n result = false;\n break;\n } // Recursively compare arrays (susceptible to call stack limits).\n\n\n if (seen) {\n if (!arraySome(other, function (othValue, othIndex) {\n if (!cacheHas(seen, othIndex) && (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n result = false;\n break;\n }\n }\n\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n\n\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if (object.byteLength != other.byteLength || object.byteOffset != other.byteOffset) {\n return false;\n }\n\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if (object.byteLength != other.byteLength || !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == other + '';\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n } // Assume cyclic values are equal.\n\n\n var stacked = stack.get(object);\n\n if (stacked) {\n return stacked == other;\n }\n\n bitmask |= COMPARE_UNORDERED_FLAG; // Recursively compare objects (susceptible to call stack limits).\n\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n\n }\n\n return false;\n }\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n\n\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n\n var index = objLength;\n\n while (index--) {\n var key = objProps[index];\n\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n } // Check that cyclic values are equal.\n\n\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n var skipCtor = isPartial;\n\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial ? customizer(othValue, objValue, key, other, object, stack) : customizer(objValue, othValue, key, object, other, stack);\n } // Recursively compare objects (susceptible to call stack limits).\n\n\n if (!(compared === undefined ? objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack) : compared)) {\n result = false;\n break;\n }\n\n skipCtor || (skipCtor = key == 'constructor');\n }\n\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor; // Non `Object` object instances with different constructors are not equal.\n\n if (objCtor != othCtor && 'constructor' in object && 'constructor' in other && !(typeof objCtor == 'function' && objCtor instanceof objCtor && typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n\n\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n\n\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n\n\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n\n\n var getData = !metaMap ? noop : function (func) {\n return metaMap.get(func);\n };\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n\n function getFuncName(func) {\n var result = func.name + '',\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n\n return result;\n }\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n\n\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n\n\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n\n\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key) ? data[typeof key == 'string' ? 'string' : 'hash'] : data.map;\n }\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n\n\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n result[length] = [key, value, isStrictComparable(value)];\n }\n\n return result;\n }\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n\n\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n\n\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n\n return result;\n }\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n\n\n var getSymbols = !nativeGetSymbols ? stubArray : function (object) {\n if (object == null) {\n return [];\n }\n\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function (symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function (object) {\n var result = [];\n\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n\n return result;\n };\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n\n var getTag = baseGetTag; // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\n if (DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag || Map && getTag(new Map()) != mapTag || Promise && getTag(Promise.resolve()) != promiseTag || Set && getTag(new Set()) != setTag || WeakMap && getTag(new WeakMap()) != weakMapTag) {\n getTag = function getTag(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString:\n return dataViewTag;\n\n case mapCtorString:\n return mapTag;\n\n case promiseCtorString:\n return promiseTag;\n\n case setCtorString:\n return setTag;\n\n case weakMapCtorString:\n return weakMapTag;\n }\n }\n\n return result;\n };\n }\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n\n\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop':\n start += size;\n break;\n\n case 'dropRight':\n end -= size;\n break;\n\n case 'take':\n end = nativeMin(end, start + size);\n break;\n\n case 'takeRight':\n start = nativeMax(start, end - size);\n break;\n }\n }\n\n return {\n 'start': start,\n 'end': end\n };\n }\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n\n\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n\n\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n\n object = object[key];\n }\n\n if (result || ++index != length) {\n return result;\n }\n\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) && (isArray(object) || isArguments(object));\n }\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n\n\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length); // Add properties assigned by `RegExp#exec`.\n\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n\n return result;\n }\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n\n\n function initCloneObject(object) {\n return typeof object.constructor == 'function' && !isPrototype(object) ? baseCreate(getPrototype(object)) : {};\n }\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n\n\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag:\n case float64Tag:\n case int8Tag:\n case int16Tag:\n case int32Tag:\n case uint8Tag:\n case uint8ClampedTag:\n case uint16Tag:\n case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor();\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor();\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n\n\n function insertWrapDetails(source, details) {\n var length = details.length;\n\n if (!length) {\n return source;\n }\n\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n\n\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) || !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n\n\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n return !!length && (type == 'number' || type != 'symbol' && reIsUint.test(value)) && value > -1 && value % 1 == 0 && value < length;\n }\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n\n\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n\n var type = typeof index;\n\n if (type == 'number' ? isArrayLike(object) && isIndex(index, object.length) : type == 'string' && index in object) {\n return eq(object[index], value);\n }\n\n return false;\n }\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n\n\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n\n var type = typeof value;\n\n if (type == 'number' || type == 'symbol' || type == 'boolean' || value == null || isSymbol(value)) {\n return true;\n }\n\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || object != null && value in Object(object);\n }\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n\n\n function isKeyable(value) {\n var type = typeof value;\n return type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean' ? value !== '__proto__' : value === null;\n }\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n\n\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n\n if (func === other) {\n return true;\n }\n\n var data = getData(other);\n return !!data && func === data[0];\n }\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n\n\n function isMasked(func) {\n return !!maskSrcKey && maskSrcKey in func;\n }\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n\n\n var isMaskable = coreJsData ? isFunction : stubFalse;\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = typeof Ctor == 'function' && Ctor.prototype || objectProto;\n return value === proto;\n }\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n\n\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n\n\n function matchesStrictComparable(key, srcValue) {\n return function (object) {\n if (object == null) {\n return false;\n }\n\n return object[key] === srcValue && (srcValue !== undefined || key in Object(object));\n };\n }\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n\n\n function memoizeCapped(func) {\n var result = memoize(func, function (key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n\n return key;\n });\n var cache = result.cache;\n return result;\n }\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n\n\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n var isCombo = srcBitmask == WRAP_ARY_FLAG && bitmask == WRAP_CURRY_FLAG || srcBitmask == WRAP_ARY_FLAG && bitmask == WRAP_REARG_FLAG && data[7].length <= source[8] || srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG) && source[7].length <= source[8] && bitmask == WRAP_CURRY_FLAG; // Exit early if metadata can't be merged.\n\n if (!(isCommon || isCombo)) {\n return data;\n } // Use source `thisArg` if available.\n\n\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2]; // Set when currying a bound function.\n\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n } // Compose partial arguments.\n\n\n var value = source[3];\n\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n } // Compose partial right arguments.\n\n\n value = source[5];\n\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n } // Use source `argPos` if available.\n\n\n value = source[7];\n\n if (value) {\n data[7] = value;\n } // Use source `ary` if it's smaller.\n\n\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n } // Use source `arity` if one is not provided.\n\n\n if (data[9] == null) {\n data[9] = source[9];\n } // Use source `func` and merge bitmasks.\n\n\n data[0] = source[0];\n data[1] = newBitmask;\n return data;\n }\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n\n\n function nativeKeysIn(object) {\n var result = [];\n\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n\n return result;\n }\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n\n\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n\n\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? func.length - 1 : start, 0);\n return function () {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n\n index = -1;\n var otherArgs = Array(start + 1);\n\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n\n\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n\n\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n\n return array;\n }\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n\n\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n\n\n var setData = shortOut(baseSetData);\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n\n var setTimeout = ctxSetTimeout || function (func, wait) {\n return root.setTimeout(func, wait);\n };\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n\n\n var setToString = shortOut(baseSetToString);\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n\n function setWrapToString(wrapper, reference, bitmask) {\n var source = reference + '';\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n\n\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n return function () {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n lastCalled = stamp;\n\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n\n return func.apply(undefined, arguments);\n };\n }\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n\n\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n size = size === undefined ? length : size;\n\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n array[rand] = array[index];\n array[index] = value;\n }\n\n array.length = size;\n return array;\n }\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n\n\n var stringToPath = memoizeCapped(function (string) {\n var result = [];\n\n if (string.charCodeAt(0) === 46\n /* . */\n ) {\n result.push('');\n }\n\n string.replace(rePropName, function (match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : number || match);\n });\n return result;\n });\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n\n var result = value + '';\n return result == '0' && 1 / value == -INFINITY ? '-0' : result;\n }\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n\n\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n\n try {\n return func + '';\n } catch (e) {}\n }\n\n return '';\n }\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n\n\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function (pair) {\n var value = '_.' + pair[0];\n\n if (bitmask & pair[1] && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n\n\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n\n\n function chunk(array, size, guard) {\n if (guard ? isIterateeCall(array, size, guard) : size === undefined) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n\n var length = array == null ? 0 : array.length;\n\n if (!length || size < 1) {\n return [];\n }\n\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, index += size);\n }\n\n return result;\n }\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n\n\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n\n if (value) {\n result[resIndex++] = value;\n }\n }\n\n return result;\n }\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n\n\n function concat() {\n var length = arguments.length;\n\n if (!length) {\n return [];\n }\n\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n\n\n var difference = baseRest(function (array, values) {\n return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true)) : [];\n });\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n\n var differenceBy = baseRest(function (array, values) {\n var iteratee = last(values);\n\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n\n return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)) : [];\n });\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n\n var differenceWith = baseRest(function (array, values) {\n var comparator = last(values);\n\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n\n return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator) : [];\n });\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return [];\n }\n\n n = guard || n === undefined ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n\n\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return [];\n }\n\n n = guard || n === undefined ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n\n\n function dropRightWhile(array, predicate) {\n return array && array.length ? baseWhile(array, getIteratee(predicate, 3), true, true) : [];\n }\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n\n\n function dropWhile(array, predicate) {\n return array && array.length ? baseWhile(array, getIteratee(predicate, 3), true) : [];\n }\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n\n\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return [];\n }\n\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n\n return baseFill(array, value, start, end);\n }\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n\n\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return -1;\n }\n\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n\n\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return -1;\n }\n\n var index = length - 1;\n\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n\n\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n\n\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n\n\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return [];\n }\n\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n\n\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n\n return result;\n }\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n\n\n function head(array) {\n return array && array.length ? array[0] : undefined;\n }\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n\n\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return -1;\n }\n\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n\n return baseIndexOf(array, value, index);\n }\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n\n\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n\n\n var intersection = baseRest(function (arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return mapped.length && mapped[0] === arrays[0] ? baseIntersection(mapped) : [];\n });\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n\n var intersectionBy = baseRest(function (arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n\n return mapped.length && mapped[0] === arrays[0] ? baseIntersection(mapped, getIteratee(iteratee, 2)) : [];\n });\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n\n var intersectionWith = baseRest(function (arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n\n if (comparator) {\n mapped.pop();\n }\n\n return mapped.length && mapped[0] === arrays[0] ? baseIntersection(mapped, undefined, comparator) : [];\n });\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n\n\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n\n\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return -1;\n }\n\n var index = length;\n\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n\n return value === value ? strictLastIndexOf(array, value, index) : baseFindIndex(array, baseIsNaN, index, true);\n }\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n\n\n function nth(array, n) {\n return array && array.length ? baseNth(array, toInteger(n)) : undefined;\n }\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n\n\n var pull = baseRest(pullAll);\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n\n function pullAll(array, values) {\n return array && array.length && values && values.length ? basePullAll(array, values) : array;\n }\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n\n\n function pullAllBy(array, values, iteratee) {\n return array && array.length && values && values.length ? basePullAll(array, values, getIteratee(iteratee, 2)) : array;\n }\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n\n\n function pullAllWith(array, values, comparator) {\n return array && array.length && values && values.length ? basePullAll(array, values, undefined, comparator) : array;\n }\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n\n\n var pullAt = flatRest(function (array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n basePullAt(array, arrayMap(indexes, function (index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n return result;\n });\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n\n function remove(array, predicate) {\n var result = [];\n\n if (!(array && array.length)) {\n return result;\n }\n\n var index = -1,\n indexes = [],\n length = array.length;\n predicate = getIteratee(predicate, 3);\n\n while (++index < length) {\n var value = array[index];\n\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n\n basePullAt(array, indexes);\n return result;\n }\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n\n\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n\n\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return [];\n }\n\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n } else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n\n return baseSlice(array, start, end);\n }\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n\n\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n\n\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n\n\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n\n if (length) {\n var index = baseSortedIndex(array, value);\n\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n\n return -1;\n }\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n\n\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n\n\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n\n\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n\n if (eq(array[index], value)) {\n return index;\n }\n }\n\n return -1;\n }\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n\n\n function sortedUniq(array) {\n return array && array.length ? baseSortedUniq(array) : [];\n }\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n\n\n function sortedUniqBy(array, iteratee) {\n return array && array.length ? baseSortedUniq(array, getIteratee(iteratee, 2)) : [];\n }\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n\n\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n\n\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n\n n = guard || n === undefined ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n\n\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n\n if (!length) {\n return [];\n }\n\n n = guard || n === undefined ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n\n\n function takeRightWhile(array, predicate) {\n return array && array.length ? baseWhile(array, getIteratee(predicate, 3), false, true) : [];\n }\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n\n\n function takeWhile(array, predicate) {\n return array && array.length ? baseWhile(array, getIteratee(predicate, 3)) : [];\n }\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n\n\n var union = baseRest(function (arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n\n var unionBy = baseRest(function (arrays) {\n var iteratee = last(arrays);\n\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n\n var unionWith = baseRest(function (arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n\n function uniq(array) {\n return array && array.length ? baseUniq(array) : [];\n }\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n\n\n function uniqBy(array, iteratee) {\n return array && array.length ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n\n\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return array && array.length ? baseUniq(array, undefined, comparator) : [];\n }\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n\n\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n\n var length = 0;\n array = arrayFilter(array, function (group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function (index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n\n\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n\n var result = unzip(array);\n\n if (iteratee == null) {\n return result;\n }\n\n return arrayMap(result, function (group) {\n return apply(iteratee, undefined, group);\n });\n }\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n\n\n var without = baseRest(function (array, values) {\n return isArrayLikeObject(array) ? baseDifference(array, values) : [];\n });\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n\n var xor = baseRest(function (arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n\n var xorBy = baseRest(function (arrays) {\n var iteratee = last(arrays);\n\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n\n var xorWith = baseRest(function (arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n\n var zip = baseRest(unzip);\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n\n\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n\n\n var zipWith = baseRest(function (arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n\n\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n\n\n function thru(value, interceptor) {\n return interceptor(value);\n }\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n\n\n var wrapperAt = flatRest(function (paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function interceptor(object) {\n return baseAt(object, paths);\n };\n\n if (length > 1 || this.__actions__.length || !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n\n value = value.slice(start, +start + (length ? 1 : 0));\n\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n\n return new LodashWrapper(value, this.__chain__).thru(function (array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n\n return array;\n });\n });\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n\n function wrapperChain() {\n return chain(this);\n }\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n\n\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n\n\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n return {\n 'done': done,\n 'value': value\n };\n }\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n\n\n function wrapperToIterator() {\n return this;\n }\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n\n\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n\n var previous = clone;\n parent = parent.__wrapped__;\n }\n\n previous.__wrapped__ = value;\n return result;\n }\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n\n\n function wrapperReverse() {\n var value = this.__wrapped__;\n\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n\n wrapped = wrapped.reverse();\n\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n\n return new LodashWrapper(wrapped, this.__chain__);\n }\n\n return this.thru(reverse);\n }\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n\n\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n\n\n var countBy = createAggregator(function (result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n\n return func(collection, getIteratee(predicate, 3));\n }\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n *\n * // Combining several predicates using `_.overEvery` or `_.overSome`.\n * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n * // => objects for ['fred', 'barney']\n */\n\n\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n\n\n var find = createFind(findIndex);\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n\n var findLast = createFind(findLastIndex);\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n\n\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n\n\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n\n\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n\n\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n\n\n var groupBy = createAggregator(function (result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = fromIndex && !guard ? toInteger(fromIndex) : 0;\n var length = collection.length;\n\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n\n return isString(collection) ? fromIndex <= length && collection.indexOf(value, fromIndex) > -1 : !!length && baseIndexOf(collection, value, fromIndex) > -1;\n }\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n\n\n var invokeMap = baseRest(function (collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n baseEach(collection, function (value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n\n var keyBy = createAggregator(function (result, value, key) {\n baseAssignValue(result, key, value);\n });\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n\n\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n\n orders = guard ? undefined : orders;\n\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n\n return baseOrderBy(collection, iteratees, orders);\n }\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n\n\n var partition = createAggregator(function (result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function () {\n return [[], []];\n });\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n\n\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n\n\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n\n\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n\n\n function sampleSize(collection, n, guard) {\n if (guard ? isIterateeCall(collection, n, guard) : n === undefined) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n\n\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n\n\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n\n var tag = getTag(collection);\n\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n\n return baseKeys(collection).length;\n }\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n\n\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n\n return func(collection, getIteratee(predicate, 3));\n }\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 30 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n */\n\n\n var sortBy = baseRest(function (collection, iteratees) {\n if (collection == null) {\n return [];\n }\n\n var length = iteratees.length;\n\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n\n var now = ctxNow || function () {\n return root.Date.now();\n };\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n\n\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n n = toInteger(n);\n return function () {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n\n\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = func && n == null ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n\n\n function before(n, func) {\n var result;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n n = toInteger(n);\n return function () {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n\n if (n <= 1) {\n func = undefined;\n }\n\n return result;\n };\n }\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n\n\n var bind = baseRest(function (func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n\n var bindKey = baseRest(function (object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n\n return createWrap(key, bitmask, object, partials, holders);\n });\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n\n\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n\n\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n wait = toNumber(wait) || 0;\n\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time; // Start the timer for the trailing edge.\n\n timerId = setTimeout(timerExpired, wait); // Invoke the leading edge.\n\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n return maxing ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke) : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime; // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n\n return lastCallTime === undefined || timeSinceLastCall >= wait || timeSinceLastCall < 0 || maxing && timeSinceLastInvoke >= maxWait;\n }\n\n function timerExpired() {\n var time = now();\n\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n } // Restart the timer.\n\n\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined; // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n\n return result;\n }\n\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n\n\n var defer = baseRest(function (func, args) {\n return baseDelay(func, 1, args);\n });\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n\n var delay = baseRest(function (func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n\n\n function memoize(func, resolver) {\n if (typeof func != 'function' || resolver != null && typeof resolver != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n var memoized = function memoized() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n\n memoized.cache = new (memoize.Cache || MapCache)();\n return memoized;\n } // Expose `MapCache`.\n\n\n memoize.Cache = MapCache;\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n return function () {\n var args = arguments;\n\n switch (args.length) {\n case 0:\n return !predicate.call(this);\n\n case 1:\n return !predicate.call(this, args[0]);\n\n case 2:\n return !predicate.call(this, args[0], args[1]);\n\n case 3:\n return !predicate.call(this, args[0], args[1], args[2]);\n }\n\n return !predicate.apply(this, args);\n };\n }\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n\n\n function once(func) {\n return before(2, func);\n }\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n\n\n var overArgs = castRest(function (func, transforms) {\n transforms = transforms.length == 1 && isArray(transforms[0]) ? arrayMap(transforms[0], baseUnary(getIteratee())) : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n var funcsLength = transforms.length;\n return baseRest(function (args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n\n return apply(func, this, args);\n });\n });\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n\n var partial = baseRest(function (func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n\n var partialRight = baseRest(function (func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n\n var rearg = flatRest(function (func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n\n\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function (args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n\n return apply(func, this, otherArgs);\n });\n }\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n\n\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n\n\n function unary(func) {\n return ary(func, 1);\n }\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '' + func(text) + '
';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles
'\n */\n\n\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n\n\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n\n\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n\n\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n\n\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n\n\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n\n\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n\n\n function eq(value, other) {\n return value === other || value !== value && other !== other;\n }\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n\n\n var gt = createRelationalOperation(baseGt);\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n\n var gte = createRelationalOperation(function (value, other) {\n return value >= other;\n });\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n\n var isArguments = baseIsArguments(function () {\n return arguments;\n }()) ? baseIsArguments : function (value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');\n };\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n\n var isArray = Array.isArray;\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n\n\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n\n\n function isBoolean(value) {\n return value === true || value === false || isObjectLike(value) && baseGetTag(value) == boolTag;\n }\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n\n\n var isBuffer = nativeIsBuffer || stubFalse;\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n\n\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n\n if (isArrayLike(value) && (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' || isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n\n var tag = getTag(value);\n\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n\n return true;\n }\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n\n\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n\n\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n\n\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag || typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value);\n }\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n\n\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n\n\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n } // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\n\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n\n\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n\n\n function isLength(value) {\n return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n\n\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n\n\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n\n\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n\n\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n\n\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n\n\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n\n return baseIsNative(value);\n }\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n\n\n function isNull(value) {\n return value === null;\n }\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n\n\n function isNil(value) {\n return value == null;\n }\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n\n\n function isNumber(value) {\n return typeof value == 'number' || isObjectLike(value) && baseGetTag(value) == numberTag;\n }\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n\n\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n\n var proto = getPrototype(value);\n\n if (proto === null) {\n return true;\n }\n\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString;\n }\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n\n\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n\n\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n\n function isString(value) {\n return typeof value == 'string' || !isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag;\n }\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n\n\n function isSymbol(value) {\n return typeof value == 'symbol' || isObjectLike(value) && baseGetTag(value) == symbolTag;\n }\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n\n\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n\n function isUndefined(value) {\n return value === undefined;\n }\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n\n\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n\n\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n\n\n var lt = createRelationalOperation(baseLt);\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n\n var lte = createRelationalOperation(function (value, other) {\n return value <= other;\n });\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n\n function toArray(value) {\n if (!value) {\n return [];\n }\n\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : tag == setTag ? setToArray : values;\n return func(value);\n }\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n\n\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n\n value = toNumber(value);\n\n if (value === INFINITY || value === -INFINITY) {\n var sign = value < 0 ? -1 : 1;\n return sign * MAX_INTEGER;\n }\n\n return value === value ? value : 0;\n }\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n\n\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n return result === result ? remainder ? result - remainder : result : 0;\n }\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n\n\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n\n\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n\n if (isSymbol(value)) {\n return NAN;\n }\n\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? other + '' : other;\n }\n\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n\n value = value.replace(reTrim, '');\n var isBinary = reIsBinary.test(value);\n return isBinary || reIsOctal.test(value) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : reIsBadHex.test(value) ? NAN : +value;\n }\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n\n\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n\n\n function toSafeInteger(value) {\n return value ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) : value === 0 ? value : 0;\n }\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n\n\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n\n\n var assign = createAssigner(function (object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n\n var assignIn = createAssigner(function (object, source) {\n copyObject(source, keysIn(source), object);\n });\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n\n var assignInWith = createAssigner(function (object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n\n var assignWith = createAssigner(function (object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n\n var at = flatRest(baseAt);\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n\n\n var defaults = baseRest(function (object, sources) {\n object = Object(object);\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined || eq(value, objectProto[key]) && !hasOwnProperty.call(object, key)) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n\n var defaultsDeep = baseRest(function (args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n\n\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n\n\n function forIn(object, iteratee) {\n return object == null ? object : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n\n\n function forInRight(object, iteratee) {\n return object == null ? object : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n\n\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n\n\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n\n\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n\n\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n\n\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n\n\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n\n\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n\n\n var invert = createInverter(function (result, value, key) {\n if (value != null && typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n\n var invertBy = createInverter(function (result, value, key) {\n if (value != null && typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n\n var invoke = baseRest(baseInvoke);\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n\n\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n\n\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n baseForOwn(object, function (value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n\n\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n baseForOwn(object, function (value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n\n\n var merge = createAssigner(function (object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n\n var mergeWith = createAssigner(function (object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n\n var omit = flatRest(function (object, paths) {\n var result = {};\n\n if (object == null) {\n return result;\n }\n\n var isDeep = false;\n paths = arrayMap(paths, function (path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n\n var length = paths.length;\n\n while (length--) {\n baseUnset(result, paths[length]);\n }\n\n return result;\n });\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n\n\n var pick = flatRest(function (object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n\n var props = arrayMap(getAllKeysIn(object), function (prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function (value, path) {\n return predicate(value, path[0]);\n });\n }\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n\n\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n var index = -1,\n length = path.length; // Ensure the loop is entered when path is empty.\n\n if (!length) {\n length = 1;\n object = undefined;\n }\n\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n\n object = isFunction(value) ? value.call(object) : value;\n }\n\n return object;\n }\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n\n\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n\n\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n\n\n var toPairs = createToPairs(keys);\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n\n var toPairsIn = createToPairs(keysIn);\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n iteratee = getIteratee(iteratee, 4);\n\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n\n if (isArrLike) {\n accumulator = isArr ? new Ctor() : [];\n } else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n } else {\n accumulator = {};\n }\n }\n\n (isArrLike ? arrayEach : baseForOwn)(object, function (value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n\n\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n\n\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n\n\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n\n\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n\n\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n\n\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n\n return baseClamp(toNumber(number), lower, upper);\n }\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n\n\n function inRange(number, start, end) {\n start = toFinite(start);\n\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n\n\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n } else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n } else {\n lower = toFinite(lower);\n\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1))), upper);\n }\n\n return baseRandom(lower, upper);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n\n\n var camelCase = createCompounder(function (result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n\n\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n\n\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n var length = string.length;\n position = position === undefined ? length : baseClamp(toInteger(position), 0, length);\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n\n\n function escape(string) {\n string = toString(string);\n return string && reHasUnescapedHtml.test(string) ? string.replace(reUnescapedHtml, escapeHtmlChar) : string;\n }\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n\n\n function escapeRegExp(string) {\n string = toString(string);\n return string && reHasRegExpChar.test(string) ? string.replace(reRegExpChar, '\\\\$&') : string;\n }\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n\n\n var kebabCase = createCompounder(function (result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n\n var lowerCase = createCompounder(function (result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n\n var lowerFirst = createCaseFirst('toLowerCase');\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n var strLength = length ? stringSize(string) : 0;\n\n if (!length || strLength >= length) {\n return string;\n }\n\n var mid = (length - strLength) / 2;\n return createPadding(nativeFloor(mid), chars) + string + createPadding(nativeCeil(mid), chars);\n }\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n\n\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n var strLength = length ? stringSize(string) : 0;\n return length && strLength < length ? string + createPadding(length - strLength, chars) : string;\n }\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n\n\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n var strLength = length ? stringSize(string) : 0;\n return length && strLength < length ? createPadding(length - strLength, chars) + string : string;\n }\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n\n\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n\n\n function repeat(string, n, guard) {\n if (guard ? isIterateeCall(string, n, guard) : n === undefined) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n\n return baseRepeat(toString(string), n);\n }\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n\n\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n\n\n var snakeCase = createCompounder(function (result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\n if (!limit) {\n return [];\n }\n\n string = toString(string);\n\n if (string && (typeof separator == 'string' || separator != null && !isRegExp(separator))) {\n separator = baseToString(separator);\n\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n\n return string.split(separator, limit);\n }\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n\n\n var startCase = createCompounder(function (result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null ? 0 : baseClamp(toInteger(position), 0, string.length);\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %> ');\n * compiled({ 'value': '