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All rights reserved.\n */\n\nimport { Component, OnInit } from '@angular/core';\nimport { Observable } from 'rxjs';\nimport { Product } from '../model';\nimport { ShoppingCartService } from '../shopping-cart.service';\nimport { WebshopService } from '../webshop.service';\nimport { imageById } from './product-image-mapping';\n\n@Component({\n selector: 'app-products-catalog',\n templateUrl: './products-catalog.component.html',\n styleUrls: ['./products-catalog.component.css']\n})\nexport class ProductsCatalogComponent implements OnInit {\n products: Observable;\n\n constructor(private webshopService: WebshopService, private shoppingCartService: ShoppingCartService) { }\n\n ngOnInit(): void {\n this.products = this.webshopService.getProducts();\n }\n\n addToShoppingCart(product: Product, quantity: string): void {\n this.shoppingCartService.addProduct(product, parseInt(quantity, 10));\n }\n\n formatAmount(price: number): string {\n return `${Number(price).toFixed(2)} USD`;\n }\n\n productImgSrc(product: Product): string {\n return `../../assets/products/${imageById(product.id)}`;\n }\n}\n","
\n \n \n {{ product.description }}\n {{ formatAmount(product.price) }}\n \n\n \n \"Photo\n \n\n \n \n \n \n \n \n \n \n
\n\n \n\n","// This file can be replaced during build by using the `fileReplacements` array.\n// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.\n// The list of file replacements can be found in `angular.json`.\n\nexport const environment = {\n production: false\n};\n\n/*\n * For easier debugging in development mode, you can import the following file\n * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.\n *\n * This import should be commented out in production mode because it will have a negative impact\n * on performance if an error is thrown.\n */\n// import 'zone.js/dist/zone-error'; // Included with Angular CLI.\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nconst productIdsToImages = {\n SDK02: 'mug.jpg',\n SDK03: 'sticker_js.png',\n SDK04: 'sticker_java.png',\n SDK05: 'sticker_cd.png',\n SDK06: 'pen.jpg',\n SDK07: 'book.jpg',\n SDK08: 'book.jpg',\n SDK09: 'book.jpg'\n};\n\nexport function imageById(productId: string): string {\n return productIdsToImages[productId] || 'product.png';\n}\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { Component, OnInit } from '@angular/core';\nimport { Observable } from 'rxjs';\nimport { LineItem } from './model';\nimport { ShoppingCartService } from './shopping-cart.service';\n\n@Component({\n selector: 'app-root',\n templateUrl: './app.component.html',\n styleUrls: ['./app.component.css']\n})\nexport class AppComponent implements OnInit {\n lineItems: Observable;\n\n constructor(private shoppingCartService: ShoppingCartService) {}\n\n ngOnInit(): void {\n this.lineItems = this.shoppingCartService.getLineItems();\n }\n}\n","\n SAP Cloud SDK Webshop\n \n \n\n\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { HttpClientModule } from '@angular/common/http';\nimport { NgModule } from '@angular/core';\nimport { MatBadgeModule } from '@angular/material/badge';\nimport { MatButtonModule } from '@angular/material/button';\nimport { MatCardModule } from '@angular/material/card';\nimport { MatDividerModule } from '@angular/material/divider';\nimport { MatFormFieldModule } from '@angular/material/form-field';\nimport { MatIconModule } from '@angular/material/icon';\nimport { MatInputModule } from '@angular/material/input';\nimport { MatListModule } from '@angular/material/list';\nimport { MatProgressSpinnerModule } from '@angular/material/progress-spinner';\nimport { MatSnackBarModule } from '@angular/material/snack-bar';\nimport { MatTableModule } from '@angular/material/table';\nimport { MatToolbarModule } from '@angular/material/toolbar';\nimport { BrowserModule } from '@angular/platform-browser';\nimport { BrowserAnimationsModule } from '@angular/platform-browser/animations';\nimport { RouteReuseStrategy } from '@angular/router';\nimport { AppRoutingModule } from './app-routing.module';\nimport { AppComponent } from './app.component';\nimport { ProductsCatalogComponent } from './products-catalog/products-catalog.component';\nimport { RoutingReuse } from './routing-reuse';\nimport { ShoppingCartComponent } from './shopping-cart/shopping-cart.component';\n\n@NgModule({\n declarations: [\n AppComponent,\n ProductsCatalogComponent,\n ShoppingCartComponent\n ],\n imports: [\n BrowserModule,\n AppRoutingModule,\n BrowserAnimationsModule,\n MatButtonModule,\n MatTableModule,\n MatToolbarModule,\n MatCardModule,\n MatIconModule,\n MatDividerModule,\n MatFormFieldModule,\n MatInputModule,\n MatListModule,\n MatSnackBarModule,\n MatBadgeModule,\n MatProgressSpinnerModule,\n HttpClientModule\n ],\n providers: [{\n provide: RouteReuseStrategy,\n useClass: RoutingReuse\n }],\n bootstrap: [AppComponent]\n})\nexport class AppModule { }\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { Injectable } from '@angular/core';\nimport { BehaviorSubject } from 'rxjs';\nimport { LineItemWithPrice, Product } from './model';\nimport { WebshopService } from './webshop.service';\n\n@Injectable({\n providedIn: 'root'\n})\nexport class ShoppingCartService {\n private lineItems: LineItemWithPrice[] = [];\n private lineItemSubject = new BehaviorSubject([]);\n constructor(private webShopService: WebshopService) {}\n\n getLineItems(): BehaviorSubject {\n return this.lineItemSubject;\n }\n\n addProduct(product: Product, quantity: number): void {\n if (this.hasProduct(product)) {\n const idx = this.findProductIndex(product);\n this.updateQuantity(product, quantity + this.lineItems[idx].quantity);\n } else {\n this.webShopService.getProducts().subscribe(products => {\n this.lineItems.push({\n product,\n quantity,\n price: products.find(p => product.id === p.id).price\n });\n this.lineItemSubject.next(this.lineItems);\n });\n }\n }\n\n updateQuantity(product: Product, quantity: number): void {\n const p = this.lineItems[this.findProductIndex(product)];\n p.quantity = quantity;\n this.lineItemSubject.next(this.lineItems);\n }\n\n removeProduct(product: Product): void {\n this.lineItems = this.lineItems.slice(this.findProductIndex(product), 1);\n this.lineItemSubject.next(this.lineItems);\n }\n\n emptyCart(): void {\n this.lineItems = [];\n this.lineItemSubject.next(this.lineItems);\n }\n\n private hasProduct(product: Product): boolean {\n return this.lineItems.findIndex(p => p.product.id === product.id) >= 0;\n }\n\n private findProductIndex(product: Product): number {\n const idx = this.lineItems.findIndex(p => p.product.id === product.id);\n if (idx < 0) {\n throw Error('Product not in shopping cart.');\n }\n return idx;\n }\n}\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { Location } from '@angular/common';\nimport { Component, OnInit } from '@angular/core';\nimport { MatSnackBar } from '@angular/material/snack-bar';\nimport { BehaviorSubject } from 'rxjs';\nimport { LineItemWithPrice } from '../model';\nimport { ShoppingCartService } from '../shopping-cart.service';\nimport { WebshopService } from '../webshop.service';\n\n@Component({\n selector: 'app-shopping-cart',\n templateUrl: './shopping-cart.component.html',\n styleUrls: ['./shopping-cart.component.css']\n})\nexport class ShoppingCartComponent implements OnInit {\n lineItems: BehaviorSubject;\n readonly columns = ['product', 'quantity', 'price'];\n promotionPercentage: number;\n constructor(\n public location: Location,\n private webshopService: WebshopService,\n private shoppingCartService: ShoppingCartService,\n private snackBar: MatSnackBar\n ) {}\n\n ngOnInit(): void {\n this.lineItems = this.shoppingCartService.getLineItems();\n }\n\n checkout(): void {\n this.webshopService.createSalesOrder({\n lineItems: this.lineItems.value\n }).subscribe(() => {\n this.snackBar.open('Successfully created Sales Order!', 'Close', {\n duration: 10000\n });\n });\n\n this.shoppingCartService.emptyCart();\n }\n\n // called from the api promotion button in the html file app\\src\\app\\shopping-cart\\shopping-cart.component.html\n calculatePromotion(): void {\n this.webshopService.getPromotion()\n .subscribe(\n percent => {\n this.promotionPercentage = percent.value;\n this.snackBar.open('If you were a member of our loyalty program, you could save ' + this.savings(this.lineItems.value), 'Close', {\n duration: 10000\n });\n }\n );\n }\n\n formatAmount(price: number): string {\n return `${Number(price).toFixed(2)} USD`;\n }\n\n formatPercentage(percentage: number): string {\n return `-${Number(percentage).toFixed(0)}%`;\n }\n\n calculateTotal(lineItems: LineItemWithPrice[]): number{\n return lineItems.reduce((sum, curr) => sum + curr.quantity * curr.price, 0);\n }\n\n total(lineItems: LineItemWithPrice[]): string {\n return this.formatAmount(this.calculateTotal(lineItems));\n }\n\n savings(lineItems: LineItemWithPrice[]): string{\n return this.formatAmount(this.calculateTotal(lineItems) * this.promotionPercentage / 100);\n }\n\n // displays on the bottom row of the shopping cart order, called in the html file\n promotion(): string {\n return (this.promotionPercentage > 0 ? 'Promotion: ' + this.formatPercentage(this.promotionPercentage) : '');\n }\n}\n","\n Shopping Cart\n \n \n\n\n\n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n
Product {{ row.product.description }} Total Quantity \n \n \n \n {{ promotion(lineItems.value) }} Price {{ formatAmount(row.price * row.quantity) }} {{ total(lineItems.value) }}
\n\n\n\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { HttpClient } from '@angular/common/http';\nimport { Injectable } from '@angular/core';\nimport { Observable } from 'rxjs';\nimport { publishReplay, refCount } from 'rxjs/operators';\nimport { Product, ShoppingCart } from './model';\n\n@Injectable({\n providedIn: 'root'\n})\nexport class WebshopService {\n private api = 'api';\n private products: Observable;\n private promotion: Observable<{ value: any , Action: any }>;\n constructor(private http: HttpClient) { }\n\n getProducts(): Observable {\n if (!this.products) {\n this.products = (this.http.get(`${this.api}/products`) as Observable).pipe(\n publishReplay(),\n refCount()\n );\n }\n return this.products;\n }\n\n createSalesOrder(shoppingCart: ShoppingCart): Observable {\n return this.http.post(`${this.api}/sales-order`, {\n lineItems: shoppingCart.lineItems.map(li => ({\n quantity: li.quantity,\n productId: li.product.id\n }))\n }, {\n headers: { 'Content-Type': 'application/json' }\n });\n }\n\n getPromotion(): Observable<{ value: any, Action: any }> {\n if (!this.promotion) {\n this.promotion = this.http.get(`${this.api}/promotion`);\n }\n return this.promotion;\n }\n}\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { ActivatedRouteSnapshot, DetachedRouteHandle, RouteReuseStrategy } from '@angular/router';\nimport { ShoppingCartComponent } from './shopping-cart/shopping-cart.component';\n\nexport class RoutingReuse extends RouteReuseStrategy {\n storage: {[key: string]: DetachedRouteHandle} = {};\n\n shouldDetach(route: ActivatedRouteSnapshot): boolean {\n return route.component !== ShoppingCartComponent;\n }\n\n store(route: ActivatedRouteSnapshot, handle: DetachedRouteHandle): void {\n this.storage[route.toString()] = handle;\n }\n\n shouldAttach(route: ActivatedRouteSnapshot): boolean {\n return !!this.storage[route.toString()];\n }\n\n retrieve(route: ActivatedRouteSnapshot): DetachedRouteHandle {\n return this.storage[route.toString()];\n }\n\n shouldReuseRoute(future: ActivatedRouteSnapshot, curr: ActivatedRouteSnapshot): boolean {\n return future.routeConfig === curr.routeConfig;\n }\n\n}\n","/*!\n * Copyright (c) SAP SE or an SAP affiliate company. All rights reserved.\n */\n\nimport { NgModule } from '@angular/core';\nimport { RouterModule, Routes } from '@angular/router';\nimport { ProductsCatalogComponent } from './products-catalog/products-catalog.component';\nimport { ShoppingCartComponent } from './shopping-cart/shopping-cart.component';\n\nconst routes: Routes = [{\n path: 'shopping-cart', component: ShoppingCartComponent\n}, {\n path: 'webshop', component: ProductsCatalogComponent\n}, {\n path: '',\n redirectTo: 'webshop',\n pathMatch: 'full'\n}];\n\n@NgModule({\n imports: [RouterModule.forRoot(routes, { useHash: true })],\n exports: [RouterModule]\n})\nexport class AppRoutingModule { }\n","import { enableProdMode } from '@angular/core';\nimport { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\n\nimport { AppModule } from './app/app.module';\nimport { environment } from './environments/environment';\n\nif (environment.production) {\n enableProdMode();\n}\n\nplatformBrowserDynamic().bootstrapModule(AppModule)\n .catch(err => console.error(err));\n","function webpackEmptyAsyncContext(req) {\n\t// Here Promise.resolve().then() is used instead of new Promise() to prevent\n\t// uncaught exception popping up in devtools\n\treturn Promise.resolve().then(function() {\n\t\tvar e = new Error(\"Cannot find module '\" + req + \"'\");\n\t\te.code = 'MODULE_NOT_FOUND';\n\t\tthrow e;\n\t});\n}\nwebpackEmptyAsyncContext.keys = function() { return []; };\nwebpackEmptyAsyncContext.resolve = webpackEmptyAsyncContext;\nmodule.exports = webpackEmptyAsyncContext;\nwebpackEmptyAsyncContext.id = \"zn8P\";"],"sourceRoot":"webpack:///" FileName: ./application/src/main/resources/static/polyfills.js SPDXID: SPDXRef-610849f25d701599c1a27cd335ba099b FileChecksum: SHA1: a7762b86bde067fae387180c8da254df8ee62b78 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors Copyright Google Inc. All Rights Reserved. FileName: ./application/src/main/resources/static/polyfills.js.map SPDXID: SPDXRef-b78160bcb8d40ba9eff7263354c06f46 FileChecksum: SHA1: 3fd9efbaac0ec183bbbd52375554e2671300dbf1 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n /**\n * Suppress closure compiler errors about unknown 'Zone' variable\n * @fileoverview\n * @suppress {undefinedVars,globalThis,missingRequire}\n */\n /// \n // issue #989, to reduce bundle size, use short name\n /** Object.getOwnPropertyDescriptor */\n const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n /** Object.defineProperty */\n const ObjectDefineProperty = Object.defineProperty;\n /** Object.getPrototypeOf */\n const ObjectGetPrototypeOf = Object.getPrototypeOf;\n /** Object.create */\n const ObjectCreate = Object.create;\n /** Array.prototype.slice */\n const ArraySlice = Array.prototype.slice;\n /** addEventListener string const */\n const ADD_EVENT_LISTENER_STR = 'addEventListener';\n /** removeEventListener string const */\n const REMOVE_EVENT_LISTENER_STR = 'removeEventListener';\n /** zoneSymbol addEventListener */\n const ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR);\n /** zoneSymbol removeEventListener */\n const ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR);\n /** true string const */\n const TRUE_STR = 'true';\n /** false string const */\n const FALSE_STR = 'false';\n /** Zone symbol prefix string const. */\n const ZONE_SYMBOL_PREFIX = Zone.__symbol__('');\n function wrapWithCurrentZone(callback, source) {\n return Zone.current.wrap(callback, source);\n }\n function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) {\n return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel);\n }\n const zoneSymbol = Zone.__symbol__;\n const isWindowExists = typeof window !== 'undefined';\n const internalWindow = isWindowExists ? window : undefined;\n const _global = isWindowExists && internalWindow || typeof self === 'object' && self || global;\n const REMOVE_ATTRIBUTE = 'removeAttribute';\n const NULL_ON_PROP_VALUE = [null];\n function bindArguments(args, source) {\n for (let i = args.length - 1; i >= 0; i--) {\n if (typeof args[i] === 'function') {\n args[i] = wrapWithCurrentZone(args[i], source + '_' + i);\n }\n }\n return args;\n }\n function patchPrototype(prototype, fnNames) {\n const source = prototype.constructor['name'];\n for (let i = 0; i < fnNames.length; i++) {\n const name = fnNames[i];\n const delegate = prototype[name];\n if (delegate) {\n const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name);\n if (!isPropertyWritable(prototypeDesc)) {\n continue;\n }\n prototype[name] = ((delegate) => {\n const patched = function () {\n return delegate.apply(this, bindArguments(arguments, source + '.' + name));\n };\n attachOriginToPatched(patched, delegate);\n return patched;\n })(delegate);\n }\n }\n }\n function isPropertyWritable(propertyDesc) {\n if (!propertyDesc) {\n return true;\n }\n if (propertyDesc.writable === false) {\n return false;\n }\n return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined');\n }\n const isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope);\n // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify\n // this code.\n const isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' &&\n {}.toString.call(_global.process) === '[object process]');\n const isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']);\n // we are in electron of nw, so we are both browser and nodejs\n // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify\n // this code.\n const isMix = typeof _global.process !== 'undefined' &&\n {}.toString.call(_global.process) === '[object process]' && !isWebWorker &&\n !!(isWindowExists && internalWindow['HTMLElement']);\n const zoneSymbolEventNames = {};\n const wrapFn = function (event) {\n // https://github.com/angular/zone.js/issues/911, in IE, sometimes\n // event will be undefined, so we need to use window.event\n event = event || _global.event;\n if (!event) {\n return;\n }\n let eventNameSymbol = zoneSymbolEventNames[event.type];\n if (!eventNameSymbol) {\n eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type);\n }\n const target = this || event.target || _global;\n const listener = target[eventNameSymbol];\n let result;\n if (isBrowser && target === internalWindow && event.type === 'error') {\n // window.onerror have different signiture\n // https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror\n // and onerror callback will prevent default when callback return true\n const errorEvent = event;\n result = listener &&\n listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error);\n if (result === true) {\n event.preventDefault();\n }\n }\n else {\n result = listener && listener.apply(this, arguments);\n if (result != undefined && !result) {\n event.preventDefault();\n }\n }\n return result;\n };\n function patchProperty(obj, prop, prototype) {\n let desc = ObjectGetOwnPropertyDescriptor(obj, prop);\n if (!desc && prototype) {\n // when patch window object, use prototype to check prop exist or not\n const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);\n if (prototypeDesc) {\n desc = { enumerable: true, configurable: true };\n }\n }\n // if the descriptor not exists or is not configurable\n // just return\n if (!desc || !desc.configurable) {\n return;\n }\n const onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched');\n if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {\n return;\n }\n // A property descriptor cannot have getter/setter and be writable\n // deleting the writable and value properties avoids this error:\n //\n // TypeError: property descriptors must not specify a value or be writable when a\n // getter or setter has been specified\n delete desc.writable;\n delete desc.value;\n const originalDescGet = desc.get;\n const originalDescSet = desc.set;\n // substr(2) cuz 'onclick' -> 'click', etc\n const eventName = prop.substr(2);\n let eventNameSymbol = zoneSymbolEventNames[eventName];\n if (!eventNameSymbol) {\n eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName);\n }\n desc.set = function (newValue) {\n // in some of windows's onproperty callback, this is undefined\n // so we need to check it\n let target = this;\n if (!target && obj === _global) {\n target = _global;\n }\n if (!target) {\n return;\n }\n let previousValue = target[eventNameSymbol];\n if (previousValue) {\n target.removeEventListener(eventName, wrapFn);\n }\n // issue #978, when onload handler was added before loading zone.js\n // we should remove it with originalDescSet\n if (originalDescSet) {\n originalDescSet.apply(target, NULL_ON_PROP_VALUE);\n }\n if (typeof newValue === 'function') {\n target[eventNameSymbol] = newValue;\n target.addEventListener(eventName, wrapFn, false);\n }\n else {\n target[eventNameSymbol] = null;\n }\n };\n // The getter would return undefined for unassigned properties but the default value of an\n // unassigned property is null\n desc.get = function () {\n // in some of windows's onproperty callback, this is undefined\n // so we need to check it\n let target = this;\n if (!target && obj === _global) {\n target = _global;\n }\n if (!target) {\n return null;\n }\n const listener = target[eventNameSymbol];\n if (listener) {\n return listener;\n }\n else if (originalDescGet) {\n // result will be null when use inline event attribute,\n // such as \n // because the onclick function is internal raw uncompiled handler\n // the onclick will be evaluated when first time event was triggered or\n // the property is accessed, https://github.com/angular/zone.js/issues/525\n // so we should use original native get to retrieve the handler\n let value = originalDescGet && originalDescGet.call(this);\n if (value) {\n desc.set.call(this, value);\n if (typeof target[REMOVE_ATTRIBUTE] === 'function') {\n target.removeAttribute(prop);\n }\n return value;\n }\n }\n return null;\n };\n ObjectDefineProperty(obj, prop, desc);\n obj[onPropPatchedSymbol] = true;\n }\n function patchOnProperties(obj, properties, prototype) {\n if (properties) {\n for (let i = 0; i < properties.length; i++) {\n patchProperty(obj, 'on' + properties[i], prototype);\n }\n }\n else {\n const onProperties = [];\n for (const prop in obj) {\n if (prop.substr(0, 2) == 'on') {\n onProperties.push(prop);\n }\n }\n for (let j = 0; j < onProperties.length; j++) {\n patchProperty(obj, onProperties[j], prototype);\n }\n }\n }\n const originalInstanceKey = zoneSymbol('originalInstance');\n // wrap some native API on `window`\n function patchClass(className) {\n const OriginalClass = _global[className];\n if (!OriginalClass)\n return;\n // keep original class in global\n _global[zoneSymbol(className)] = OriginalClass;\n _global[className] = function () {\n const a = bindArguments(arguments, className);\n switch (a.length) {\n case 0:\n this[originalInstanceKey] = new OriginalClass();\n break;\n case 1:\n this[originalInstanceKey] = new OriginalClass(a[0]);\n break;\n case 2:\n this[originalInstanceKey] = new OriginalClass(a[0], a[1]);\n break;\n case 3:\n this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2]);\n break;\n case 4:\n this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2], a[3]);\n break;\n default:\n throw new Error('Arg list too long.');\n }\n };\n // attach original delegate to patched function\n attachOriginToPatched(_global[className], OriginalClass);\n const instance = new OriginalClass(function () { });\n let prop;\n for (prop in instance) {\n // https://bugs.webkit.org/show_bug.cgi?id=44721\n if (className === 'XMLHttpRequest' && prop === 'responseBlob')\n continue;\n (function (prop) {\n if (typeof instance[prop] === 'function') {\n _global[className].prototype[prop] = function () {\n return this[originalInstanceKey][prop].apply(this[originalInstanceKey], arguments);\n };\n }\n else {\n ObjectDefineProperty(_global[className].prototype, prop, {\n set: function (fn) {\n if (typeof fn === 'function') {\n this[originalInstanceKey][prop] = wrapWithCurrentZone(fn, className + '.' + prop);\n // keep callback in wrapped function so we can\n // use it in Function.prototype.toString to return\n // the native one.\n attachOriginToPatched(this[originalInstanceKey][prop], fn);\n }\n else {\n this[originalInstanceKey][prop] = fn;\n }\n },\n get: function () { return this[originalInstanceKey][prop]; }\n });\n }\n }(prop));\n }\n for (prop in OriginalClass) {\n if (prop !== 'prototype' && OriginalClass.hasOwnProperty(prop)) {\n _global[className][prop] = OriginalClass[prop];\n }\n }\n }\n function copySymbolProperties(src, dest) {\n if (typeof Object.getOwnPropertySymbols !== 'function') {\n return;\n }\n const symbols = Object.getOwnPropertySymbols(src);\n symbols.forEach((symbol) => {\n const desc = Object.getOwnPropertyDescriptor(src, symbol);\n Object.defineProperty(dest, symbol, {\n get: function () { return src[symbol]; },\n set: function (value) {\n if (desc && (!desc.writable || typeof desc.set !== 'function')) {\n // if src[symbol] is not writable or not have a setter, just return\n return;\n }\n src[symbol] = value;\n },\n enumerable: desc ? desc.enumerable : true,\n configurable: desc ? desc.configurable : true\n });\n });\n }\n let shouldCopySymbolProperties = false;\n function patchMethod(target, name, patchFn) {\n let proto = target;\n while (proto && !proto.hasOwnProperty(name)) {\n proto = ObjectGetPrototypeOf(proto);\n }\n if (!proto && target[name]) {\n // somehow we did not find it, but we can see it. This happens on IE for Window properties.\n proto = target;\n }\n const delegateName = zoneSymbol(name);\n let delegate = null;\n if (proto && !(delegate = proto[delegateName])) {\n delegate = proto[delegateName] = proto[name];\n // check whether proto[name] is writable\n // some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob\n const desc = proto && ObjectGetOwnPropertyDescriptor(proto, name);\n if (isPropertyWritable(desc)) {\n const patchDelegate = patchFn(delegate, delegateName, name);\n proto[name] = function () { return patchDelegate(this, arguments); };\n attachOriginToPatched(proto[name], delegate);\n if (shouldCopySymbolProperties) {\n copySymbolProperties(delegate, proto[name]);\n }\n }\n }\n return delegate;\n }\n // TODO: @JiaLiPassion, support cancel task later if necessary\n function patchMacroTask(obj, funcName, metaCreator) {\n let setNative = null;\n function scheduleTask(task) {\n const data = task.data;\n data.args[data.cbIdx] = function () { task.invoke.apply(this, arguments); };\n setNative.apply(data.target, data.args);\n return task;\n }\n setNative = patchMethod(obj, funcName, (delegate) => function (self, args) {\n const meta = metaCreator(self, args);\n if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') {\n return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask);\n }\n else {\n // cause an error by calling it directly.\n return delegate.apply(self, args);\n }\n });\n }\n function attachOriginToPatched(patched, original) {\n patched[zoneSymbol('OriginalDelegate')] = original;\n }\n let isDetectedIEOrEdge = false;\n let ieOrEdge = false;\n function isIE() {\n try {\n const ua = internalWindow.navigator.userAgent;\n if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1) {\n return true;\n }\n }\n catch (error) {\n }\n return false;\n }\n function isIEOrEdge() {\n if (isDetectedIEOrEdge) {\n return ieOrEdge;\n }\n isDetectedIEOrEdge = true;\n try {\n const ua = internalWindow.navigator.userAgent;\n if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1 || ua.indexOf('Edge/') !== -1) {\n ieOrEdge = true;\n }\n }\n catch (error) {\n }\n return ieOrEdge;\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n // override Function.prototype.toString to make zone.js patched function\n // look like native function\n Zone.__load_patch('toString', (global) => {\n // patch Func.prototype.toString to let them look like native\n const originalFunctionToString = Function.prototype.toString;\n const ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate');\n const PROMISE_SYMBOL = zoneSymbol('Promise');\n const ERROR_SYMBOL = zoneSymbol('Error');\n const newFunctionToString = function toString() {\n if (typeof this === 'function') {\n const originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL];\n if (originalDelegate) {\n if (typeof originalDelegate === 'function') {\n return originalFunctionToString.call(originalDelegate);\n }\n else {\n return Object.prototype.toString.call(originalDelegate);\n }\n }\n if (this === Promise) {\n const nativePromise = global[PROMISE_SYMBOL];\n if (nativePromise) {\n return originalFunctionToString.call(nativePromise);\n }\n }\n if (this === Error) {\n const nativeError = global[ERROR_SYMBOL];\n if (nativeError) {\n return originalFunctionToString.call(nativeError);\n }\n }\n }\n return originalFunctionToString.call(this);\n };\n newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString;\n Function.prototype.toString = newFunctionToString;\n // patch Object.prototype.toString to let them look like native\n const originalObjectToString = Object.prototype.toString;\n const PROMISE_OBJECT_TO_STRING = '[object Promise]';\n Object.prototype.toString = function () {\n if (this instanceof Promise) {\n return PROMISE_OBJECT_TO_STRING;\n }\n return originalObjectToString.call(this);\n };\n });\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n let passiveSupported = false;\n if (typeof window !== 'undefined') {\n try {\n const options = Object.defineProperty({}, 'passive', { get: function () { passiveSupported = true; } });\n window.addEventListener('test', options, options);\n window.removeEventListener('test', options, options);\n }\n catch (err) {\n passiveSupported = false;\n }\n }\n // an identifier to tell ZoneTask do not create a new invoke closure\n const OPTIMIZED_ZONE_EVENT_TASK_DATA = {\n useG: true\n };\n const zoneSymbolEventNames$1 = {};\n const globalSources = {};\n const EVENT_NAME_SYMBOL_REGX = new RegExp('^' + ZONE_SYMBOL_PREFIX + '(\\\\w+)(true|false)$');\n const IMMEDIATE_PROPAGATION_SYMBOL = zoneSymbol('propagationStopped');\n function prepareEventNames(eventName, eventNameToString) {\n const falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR;\n const trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR;\n const symbol = ZONE_SYMBOL_PREFIX + falseEventName;\n const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\n zoneSymbolEventNames$1[eventName] = {};\n zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol;\n zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture;\n }\n function patchEventTarget(_global, apis, patchOptions) {\n const ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR;\n const REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR;\n const LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners';\n const REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || 'removeAllListeners';\n const zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER);\n const ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':';\n const PREPEND_EVENT_LISTENER = 'prependListener';\n const PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':';\n const invokeTask = function (task, target, event) {\n // for better performance, check isRemoved which is set\n // by removeEventListener\n if (task.isRemoved) {\n return;\n }\n const delegate = task.callback;\n if (typeof delegate === 'object' && delegate.handleEvent) {\n // create the bind version of handleEvent when invoke\n task.callback = (event) => delegate.handleEvent(event);\n task.originalDelegate = delegate;\n }\n // invoke static task.invoke\n task.invoke(task, target, [event]);\n const options = task.options;\n if (options && typeof options === 'object' && options.once) {\n // if options.once is true, after invoke once remove listener here\n // only browser need to do this, nodejs eventEmitter will cal removeListener\n // inside EventEmitter.once\n const delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate, options);\n }\n };\n // global shared zoneAwareCallback to handle all event callback with capture = false\n const globalZoneAwareCallback = function (event) {\n // https://github.com/angular/zone.js/issues/911, in IE, sometimes\n // event will be undefined, so we need to use window.event\n event = event || _global.event;\n if (!event) {\n return;\n }\n // event.target is needed for Samsung TV and SourceBuffer\n // || global is needed https://github.com/angular/zone.js/issues/190\n const target = this || event.target || _global;\n const tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]];\n if (tasks) {\n // invoke all tasks which attached to current target with given event.type and capture = false\n // for performance concern, if task.length === 1, just invoke\n if (tasks.length === 1) {\n invokeTask(tasks[0], target, event);\n }\n else {\n // https://github.com/angular/zone.js/issues/836\n // copy the tasks array before invoke, to avoid\n // the callback will remove itself or other listener\n const copyTasks = tasks.slice();\n for (let i = 0; i < copyTasks.length; i++) {\n if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {\n break;\n }\n invokeTask(copyTasks[i], target, event);\n }\n }\n }\n };\n // global shared zoneAwareCallback to handle all event callback with capture = true\n const globalZoneAwareCaptureCallback = function (event) {\n // https://github.com/angular/zone.js/issues/911, in IE, sometimes\n // event will be undefined, so we need to use window.event\n event = event || _global.event;\n if (!event) {\n return;\n }\n // event.target is needed for Samsung TV and SourceBuffer\n // || global is needed https://github.com/angular/zone.js/issues/190\n const target = this || event.target || _global;\n const tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]];\n if (tasks) {\n // invoke all tasks which attached to current target with given event.type and capture = false\n // for performance concern, if task.length === 1, just invoke\n if (tasks.length === 1) {\n invokeTask(tasks[0], target, event);\n }\n else {\n // https://github.com/angular/zone.js/issues/836\n // copy the tasks array before invoke, to avoid\n // the callback will remove itself or other listener\n const copyTasks = tasks.slice();\n for (let i = 0; i < copyTasks.length; i++) {\n if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {\n break;\n }\n invokeTask(copyTasks[i], target, event);\n }\n }\n }\n };\n function patchEventTargetMethods(obj, patchOptions) {\n if (!obj) {\n return false;\n }\n let useGlobalCallback = true;\n if (patchOptions && patchOptions.useG !== undefined) {\n useGlobalCallback = patchOptions.useG;\n }\n const validateHandler = patchOptions && patchOptions.vh;\n let checkDuplicate = true;\n if (patchOptions && patchOptions.chkDup !== undefined) {\n checkDuplicate = patchOptions.chkDup;\n }\n let returnTarget = false;\n if (patchOptions && patchOptions.rt !== undefined) {\n returnTarget = patchOptions.rt;\n }\n let proto = obj;\n while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {\n proto = ObjectGetPrototypeOf(proto);\n }\n if (!proto && obj[ADD_EVENT_LISTENER]) {\n // somehow we did not find it, but we can see it. This happens on IE for Window properties.\n proto = obj;\n }\n if (!proto) {\n return false;\n }\n if (proto[zoneSymbolAddEventListener]) {\n return false;\n }\n const eventNameToString = patchOptions && patchOptions.eventNameToString;\n // a shared global taskData to pass data for scheduleEventTask\n // so we do not need to create a new object just for pass some data\n const taskData = {};\n const nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER];\n const nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] =\n proto[REMOVE_EVENT_LISTENER];\n const nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] =\n proto[LISTENERS_EVENT_LISTENER];\n const nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] =\n proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER];\n let nativePrependEventListener;\n if (patchOptions && patchOptions.prepend) {\n nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] =\n proto[patchOptions.prepend];\n }\n /**\n * This util function will build an option object with passive option\n * to handle all possible input from the user.\n */\n function buildEventListenerOptions(options, passive) {\n if (!passiveSupported && typeof options === 'object' && options) {\n // doesn't support passive but user want to pass an object as options.\n // this will not work on some old browser, so we just pass a boolean\n // as useCapture parameter\n return !!options.capture;\n }\n if (!passiveSupported || !passive) {\n return options;\n }\n if (typeof options === 'boolean') {\n return { capture: options, passive: true };\n }\n if (!options) {\n return { passive: true };\n }\n if (typeof options === 'object' && options.passive !== false) {\n return Object.assign(Object.assign({}, options), { passive: true });\n }\n return options;\n }\n const customScheduleGlobal = function (task) {\n // if there is already a task for the eventName + capture,\n // just return, because we use the shared globalZoneAwareCallback here.\n if (taskData.isExisting) {\n return;\n }\n return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options);\n };\n const customCancelGlobal = function (task) {\n // if task is not marked as isRemoved, this call is directly\n // from Zone.prototype.cancelTask, we should remove the task\n // from tasksList of target first\n if (!task.isRemoved) {\n const symbolEventNames = zoneSymbolEventNames$1[task.eventName];\n let symbolEventName;\n if (symbolEventNames) {\n symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR];\n }\n const existingTasks = symbolEventName && task.target[symbolEventName];\n if (existingTasks) {\n for (let i = 0; i < existingTasks.length; i++) {\n const existingTask = existingTasks[i];\n if (existingTask === task) {\n existingTasks.splice(i, 1);\n // set isRemoved to data for faster invokeTask check\n task.isRemoved = true;\n if (existingTasks.length === 0) {\n // all tasks for the eventName + capture have gone,\n // remove globalZoneAwareCallback and remove the task cache from target\n task.allRemoved = true;\n task.target[symbolEventName] = null;\n }\n break;\n }\n }\n }\n }\n // if all tasks for the eventName + capture have gone,\n // we will really remove the global event callback,\n // if not, return\n if (!task.allRemoved) {\n return;\n }\n return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options);\n };\n const customScheduleNonGlobal = function (task) {\n return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);\n };\n const customSchedulePrepend = function (task) {\n return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);\n };\n const customCancelNonGlobal = function (task) {\n return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options);\n };\n const customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal;\n const customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal;\n const compareTaskCallbackVsDelegate = function (task, delegate) {\n const typeOfDelegate = typeof delegate;\n return (typeOfDelegate === 'function' && task.callback === delegate) ||\n (typeOfDelegate === 'object' && task.originalDelegate === delegate);\n };\n const compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate;\n const blackListedEvents = Zone[zoneSymbol('BLACK_LISTED_EVENTS')];\n const passiveEvents = _global[zoneSymbol('PASSIVE_EVENTS')];\n const makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget = false, prepend = false) {\n return function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n let delegate = arguments[1];\n if (!delegate) {\n return nativeListener.apply(this, arguments);\n }\n if (isNode && eventName === 'uncaughtException') {\n // don't patch uncaughtException of nodejs to prevent endless loop\n return nativeListener.apply(this, arguments);\n }\n // don't create the bind delegate function for handleEvent\n // case here to improve addEventListener performance\n // we will create the bind delegate when invoke\n let isHandleEvent = false;\n if (typeof delegate !== 'function') {\n if (!delegate.handleEvent) {\n return nativeListener.apply(this, arguments);\n }\n isHandleEvent = true;\n }\n if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) {\n return;\n }\n const passive = passiveSupported && !!passiveEvents && passiveEvents.indexOf(eventName) !== -1;\n const options = buildEventListenerOptions(arguments[2], passive);\n if (blackListedEvents) {\n // check black list\n for (let i = 0; i < blackListedEvents.length; i++) {\n if (eventName === blackListedEvents[i]) {\n if (passive) {\n return nativeListener.call(target, eventName, delegate, options);\n }\n else {\n return nativeListener.apply(this, arguments);\n }\n }\n }\n }\n const capture = !options ? false : typeof options === 'boolean' ? true : options.capture;\n const once = options && typeof options === 'object' ? options.once : false;\n const zone = Zone.current;\n let symbolEventNames = zoneSymbolEventNames$1[eventName];\n if (!symbolEventNames) {\n prepareEventNames(eventName, eventNameToString);\n symbolEventNames = zoneSymbolEventNames$1[eventName];\n }\n const symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];\n let existingTasks = target[symbolEventName];\n let isExisting = false;\n if (existingTasks) {\n // already have task registered\n isExisting = true;\n if (checkDuplicate) {\n for (let i = 0; i < existingTasks.length; i++) {\n if (compare(existingTasks[i], delegate)) {\n // same callback, same capture, same event name, just return\n return;\n }\n }\n }\n }\n else {\n existingTasks = target[symbolEventName] = [];\n }\n let source;\n const constructorName = target.constructor['name'];\n const targetSource = globalSources[constructorName];\n if (targetSource) {\n source = targetSource[eventName];\n }\n if (!source) {\n source = constructorName + addSource +\n (eventNameToString ? eventNameToString(eventName) : eventName);\n }\n // do not create a new object as task.data to pass those things\n // just use the global shared one\n taskData.options = options;\n if (once) {\n // if addEventListener with once options, we don't pass it to\n // native addEventListener, instead we keep the once setting\n // and handle ourselves.\n taskData.options.once = false;\n }\n taskData.target = target;\n taskData.capture = capture;\n taskData.eventName = eventName;\n taskData.isExisting = isExisting;\n const data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : undefined;\n // keep taskData into data to allow onScheduleEventTask to access the task information\n if (data) {\n data.taskData = taskData;\n }\n const task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);\n // should clear taskData.target to avoid memory leak\n // issue, https://github.com/angular/angular/issues/20442\n taskData.target = null;\n // need to clear up taskData because it is a global object\n if (data) {\n data.taskData = null;\n }\n // have to save those information to task in case\n // application may call task.zone.cancelTask() directly\n if (once) {\n options.once = true;\n }\n if (!(!passiveSupported && typeof task.options === 'boolean')) {\n // if not support passive, and we pass an option object\n // to addEventListener, we should save the options to task\n task.options = options;\n }\n task.target = target;\n task.capture = capture;\n task.eventName = eventName;\n if (isHandleEvent) {\n // save original delegate for compare to check duplicate\n task.originalDelegate = delegate;\n }\n if (!prepend) {\n existingTasks.push(task);\n }\n else {\n existingTasks.unshift(task);\n }\n if (returnTarget) {\n return target;\n }\n };\n };\n proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget);\n if (nativePrependEventListener) {\n proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true);\n }\n proto[REMOVE_EVENT_LISTENER] = function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n const options = arguments[2];\n const capture = !options ? false : typeof options === 'boolean' ? true : options.capture;\n const delegate = arguments[1];\n if (!delegate) {\n return nativeRemoveEventListener.apply(this, arguments);\n }\n if (validateHandler &&\n !validateHandler(nativeRemoveEventListener, delegate, target, arguments)) {\n return;\n }\n const symbolEventNames = zoneSymbolEventNames$1[eventName];\n let symbolEventName;\n if (symbolEventNames) {\n symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];\n }\n const existingTasks = symbolEventName && target[symbolEventName];\n if (existingTasks) {\n for (let i = 0; i < existingTasks.length; i++) {\n const existingTask = existingTasks[i];\n if (compare(existingTask, delegate)) {\n existingTasks.splice(i, 1);\n // set isRemoved to data for faster invokeTask check\n existingTask.isRemoved = true;\n if (existingTasks.length === 0) {\n // all tasks for the eventName + capture have gone,\n // remove globalZoneAwareCallback and remove the task cache from target\n existingTask.allRemoved = true;\n target[symbolEventName] = null;\n // in the target, we have an event listener which is added by on_property\n // such as target.onclick = function() {}, so we need to clear this internal\n // property too if all delegates all removed\n if (typeof eventName === 'string') {\n const onPropertySymbol = ZONE_SYMBOL_PREFIX + 'ON_PROPERTY' + eventName;\n target[onPropertySymbol] = null;\n }\n }\n existingTask.zone.cancelTask(existingTask);\n if (returnTarget) {\n return target;\n }\n return;\n }\n }\n }\n // issue 930, didn't find the event name or callback\n // from zone kept existingTasks, the callback maybe\n // added outside of zone, we need to call native removeEventListener\n // to try to remove it.\n return nativeRemoveEventListener.apply(this, arguments);\n };\n proto[LISTENERS_EVENT_LISTENER] = function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n const listeners = [];\n const tasks = findEventTasks(target, eventNameToString ? eventNameToString(eventName) : eventName);\n for (let i = 0; i < tasks.length; i++) {\n const task = tasks[i];\n let delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n listeners.push(delegate);\n }\n return listeners;\n };\n proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () {\n const target = this || _global;\n let eventName = arguments[0];\n if (!eventName) {\n const keys = Object.keys(target);\n for (let i = 0; i < keys.length; i++) {\n const prop = keys[i];\n const match = EVENT_NAME_SYMBOL_REGX.exec(prop);\n let evtName = match && match[1];\n // in nodejs EventEmitter, removeListener event is\n // used for monitoring the removeListener call,\n // so just keep removeListener eventListener until\n // all other eventListeners are removed\n if (evtName && evtName !== 'removeListener') {\n this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, evtName);\n }\n }\n // remove removeListener listener finally\n this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, 'removeListener');\n }\n else {\n if (patchOptions && patchOptions.transferEventName) {\n eventName = patchOptions.transferEventName(eventName);\n }\n const symbolEventNames = zoneSymbolEventNames$1[eventName];\n if (symbolEventNames) {\n const symbolEventName = symbolEventNames[FALSE_STR];\n const symbolCaptureEventName = symbolEventNames[TRUE_STR];\n const tasks = target[symbolEventName];\n const captureTasks = target[symbolCaptureEventName];\n if (tasks) {\n const removeTasks = tasks.slice();\n for (let i = 0; i < removeTasks.length; i++) {\n const task = removeTasks[i];\n let delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);\n }\n }\n if (captureTasks) {\n const removeTasks = captureTasks.slice();\n for (let i = 0; i < removeTasks.length; i++) {\n const task = removeTasks[i];\n let delegate = task.originalDelegate ? task.originalDelegate : task.callback;\n this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);\n }\n }\n }\n }\n if (returnTarget) {\n return this;\n }\n };\n // for native toString patch\n attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener);\n attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener);\n if (nativeRemoveAllListeners) {\n attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners);\n }\n if (nativeListeners) {\n attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners);\n }\n return true;\n }\n let results = [];\n for (let i = 0; i < apis.length; i++) {\n results[i] = patchEventTargetMethods(apis[i], patchOptions);\n }\n return results;\n }\n function findEventTasks(target, eventName) {\n if (!eventName) {\n const foundTasks = [];\n for (let prop in target) {\n const match = EVENT_NAME_SYMBOL_REGX.exec(prop);\n let evtName = match && match[1];\n if (evtName && (!eventName || evtName === eventName)) {\n const tasks = target[prop];\n if (tasks) {\n for (let i = 0; i < tasks.length; i++) {\n foundTasks.push(tasks[i]);\n }\n }\n }\n }\n return foundTasks;\n }\n let symbolEventName = zoneSymbolEventNames$1[eventName];\n if (!symbolEventName) {\n prepareEventNames(eventName);\n symbolEventName = zoneSymbolEventNames$1[eventName];\n }\n const captureFalseTasks = target[symbolEventName[FALSE_STR]];\n const captureTrueTasks = target[symbolEventName[TRUE_STR]];\n if (!captureFalseTasks) {\n return captureTrueTasks ? captureTrueTasks.slice() : [];\n }\n else {\n return captureTrueTasks ? captureFalseTasks.concat(captureTrueTasks) :\n captureFalseTasks.slice();\n }\n }\n function patchEventPrototype(global, api) {\n const Event = global['Event'];\n if (Event && Event.prototype) {\n api.patchMethod(Event.prototype, 'stopImmediatePropagation', (delegate) => function (self, args) {\n self[IMMEDIATE_PROPAGATION_SYMBOL] = true;\n // we need to call the native stopImmediatePropagation\n // in case in some hybrid application, some part of\n // application will be controlled by zone, some are not\n delegate && delegate.apply(self, args);\n });\n }\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n function patchCallbacks(api, target, targetName, method, callbacks) {\n const symbol = Zone.__symbol__(method);\n if (target[symbol]) {\n return;\n }\n const nativeDelegate = target[symbol] = target[method];\n target[method] = function (name, opts, options) {\n if (opts && opts.prototype) {\n callbacks.forEach(function (callback) {\n const source = `${targetName}.${method}::` + callback;\n const prototype = opts.prototype;\n if (prototype.hasOwnProperty(callback)) {\n const descriptor = api.ObjectGetOwnPropertyDescriptor(prototype, callback);\n if (descriptor && descriptor.value) {\n descriptor.value = api.wrapWithCurrentZone(descriptor.value, source);\n api._redefineProperty(opts.prototype, callback, descriptor);\n }\n else if (prototype[callback]) {\n prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);\n }\n }\n else if (prototype[callback]) {\n prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);\n }\n });\n }\n return nativeDelegate.call(target, name, opts, options);\n };\n api.attachOriginToPatched(target[method], nativeDelegate);\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n const globalEventHandlersEventNames = [\n 'abort',\n 'animationcancel',\n 'animationend',\n 'animationiteration',\n 'auxclick',\n 'beforeinput',\n 'blur',\n 'cancel',\n 'canplay',\n 'canplaythrough',\n 'change',\n 'compositionstart',\n 'compositionupdate',\n 'compositionend',\n 'cuechange',\n 'click',\n 'close',\n 'contextmenu',\n 'curechange',\n 'dblclick',\n 'drag',\n 'dragend',\n 'dragenter',\n 'dragexit',\n 'dragleave',\n 'dragover',\n 'drop',\n 'durationchange',\n 'emptied',\n 'ended',\n 'error',\n 'focus',\n 'focusin',\n 'focusout',\n 'gotpointercapture',\n 'input',\n 'invalid',\n 'keydown',\n 'keypress',\n 'keyup',\n 'load',\n 'loadstart',\n 'loadeddata',\n 'loadedmetadata',\n 'lostpointercapture',\n 'mousedown',\n 'mouseenter',\n 'mouseleave',\n 'mousemove',\n 'mouseout',\n 'mouseover',\n 'mouseup',\n 'mousewheel',\n 'orientationchange',\n 'pause',\n 'play',\n 'playing',\n 'pointercancel',\n 'pointerdown',\n 'pointerenter',\n 'pointerleave',\n 'pointerlockchange',\n 'mozpointerlockchange',\n 'webkitpointerlockerchange',\n 'pointerlockerror',\n 'mozpointerlockerror',\n 'webkitpointerlockerror',\n 'pointermove',\n 'pointout',\n 'pointerover',\n 'pointerup',\n 'progress',\n 'ratechange',\n 'reset',\n 'resize',\n 'scroll',\n 'seeked',\n 'seeking',\n 'select',\n 'selectionchange',\n 'selectstart',\n 'show',\n 'sort',\n 'stalled',\n 'submit',\n 'suspend',\n 'timeupdate',\n 'volumechange',\n 'touchcancel',\n 'touchmove',\n 'touchstart',\n 'touchend',\n 'transitioncancel',\n 'transitionend',\n 'waiting',\n 'wheel'\n ];\n const documentEventNames = [\n 'afterscriptexecute', 'beforescriptexecute', 'DOMContentLoaded', 'freeze', 'fullscreenchange',\n 'mozfullscreenchange', 'webkitfullscreenchange', 'msfullscreenchange', 'fullscreenerror',\n 'mozfullscreenerror', 'webkitfullscreenerror', 'msfullscreenerror', 'readystatechange',\n 'visibilitychange', 'resume'\n ];\n const windowEventNames = [\n 'absolutedeviceorientation',\n 'afterinput',\n 'afterprint',\n 'appinstalled',\n 'beforeinstallprompt',\n 'beforeprint',\n 'beforeunload',\n 'devicelight',\n 'devicemotion',\n 'deviceorientation',\n 'deviceorientationabsolute',\n 'deviceproximity',\n 'hashchange',\n 'languagechange',\n 'message',\n 'mozbeforepaint',\n 'offline',\n 'online',\n 'paint',\n 'pageshow',\n 'pagehide',\n 'popstate',\n 'rejectionhandled',\n 'storage',\n 'unhandledrejection',\n 'unload',\n 'userproximity',\n 'vrdisplayconnected',\n 'vrdisplaydisconnected',\n 'vrdisplaypresentchange'\n ];\n const htmlElementEventNames = [\n 'beforecopy', 'beforecut', 'beforepaste', 'copy', 'cut', 'paste', 'dragstart', 'loadend',\n 'animationstart', 'search', 'transitionrun', 'transitionstart', 'webkitanimationend',\n 'webkitanimationiteration', 'webkitanimationstart', 'webkittransitionend'\n ];\n const mediaElementEventNames = ['encrypted', 'waitingforkey', 'msneedkey', 'mozinterruptbegin', 'mozinterruptend'];\n const ieElementEventNames = [\n 'activate',\n 'afterupdate',\n 'ariarequest',\n 'beforeactivate',\n 'beforedeactivate',\n 'beforeeditfocus',\n Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n Zone.__load_patch('util', (global, Zone, api) => {\n api.patchOnProperties = patchOnProperties;\n api.patchMethod = patchMethod;\n api.bindArguments = bindArguments;\n api.patchMacroTask = patchMacroTask;\n // In earlier version of zone.js (<0.9.0), we use env name `__zone_symbol__BLACK_LISTED_EVENTS` to\n // define which events will not be patched by `Zone.js`.\n // In newer version (>=0.9.0), we change the env name to `__zone_symbol__UNPATCHED_EVENTS` to keep\n // the name consistent with angular repo.\n // The `__zone_symbol__BLACK_LISTED_EVENTS` is deprecated, but it is still be supported for\n // backwards compatibility.\n const SYMBOL_BLACK_LISTED_EVENTS = Zone.__symbol__('BLACK_LISTED_EVENTS');\n const SYMBOL_UNPATCHED_EVENTS = Zone.__symbol__('UNPATCHED_EVENTS');\n if (global[SYMBOL_UNPATCHED_EVENTS]) {\n global[SYMBOL_BLACK_LISTED_EVENTS] = global[SYMBOL_UNPATCHED_EVENTS];\n }\n if (global[SYMBOL_BLACK_LISTED_EVENTS]) {\n Zone[SYMBOL_BLACK_LISTED_EVENTS] = Zone[SYMBOL_UNPATCHED_EVENTS] =\n global[SYMBOL_BLACK_LISTED_EVENTS];\n }\n api.patchEventPrototype = patchEventPrototype;\n api.patchEventTarget = patchEventTarget;\n api.isIEOrEdge = isIEOrEdge;\n api.ObjectDefineProperty = ObjectDefineProperty;\n api.ObjectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;\n api.ObjectCreate = ObjectCreate;\n api.ArraySlice = ArraySlice;\n api.patchClass = patchClass;\n api.wrapWithCurrentZone = wrapWithCurrentZone;\n api.filterProperties = filterProperties;\n api.attachOriginToPatched = attachOriginToPatched;\n api._redefineProperty = Object.defineProperty;\n api.patchCallbacks = patchCallbacks;\n api.getGlobalObjects = () => ({ globalSources, zoneSymbolEventNames: zoneSymbolEventNames$1, eventNames, isBrowser, isMix, isNode, TRUE_STR,\n FALSE_STR, ZONE_SYMBOL_PREFIX, ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR });\n });\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n const taskSymbol = zoneSymbol('zoneTask');\n function patchTimer(window, setName, cancelName, nameSuffix) {\n let setNative = null;\n let clearNative = null;\n setName += nameSuffix;\n cancelName += nameSuffix;\n const tasksByHandleId = {};\n function scheduleTask(task) {\n const data = task.data;\n function timer() {\n try {\n task.invoke.apply(this, arguments);\n }\n finally {\n // issue-934, task will be cancelled\n // even it is a periodic task such as\n // setInterval\n if (!(task.data && task.data.isPeriodic)) {\n if (typeof data.handleId === 'number') {\n // in non-nodejs env, we remove timerId\n // from local cache\n delete tasksByHandleId[data.handleId];\n }\n else if (data.handleId) {\n // Node returns complex objects as handleIds\n // we remove task reference from timer object\n data.handleId[taskSymbol] = null;\n }\n }\n }\n }\n data.args[0] = timer;\n data.handleId = setNative.apply(window, data.args);\n return task;\n }\n function clearTask(task) { return clearNative(task.data.handleId); }\n setNative =\n patchMethod(window, setName, (delegate) => function (self, args) {\n if (typeof args[0] === 'function') {\n const options = {\n isPeriodic: nameSuffix === 'Interval',\n delay: (nameSuffix === 'Timeout' || nameSuffix === 'Interval') ? args[1] || 0 :\n undefined,\n args: args\n };\n const task = scheduleMacroTaskWithCurrentZone(setName, args[0], options, scheduleTask, clearTask);\n if (!task) {\n return task;\n }\n // Node.js must additionally support the ref and unref functions.\n const handle = task.data.handleId;\n if (typeof handle === 'number') {\n // for non nodejs env, we save handleId: task\n // mapping in local cache for clearTimeout\n tasksByHandleId[handle] = task;\n }\n else if (handle) {\n // for nodejs env, we save task\n // reference in timerId Object for clearTimeout\n handle[taskSymbol] = task;\n }\n // check whether handle is null, because some polyfill or browser\n // may return undefined from setTimeout/setInterval/setImmediate/requestAnimationFrame\n if (handle && handle.ref && handle.unref && typeof handle.ref === 'function' &&\n typeof handle.unref === 'function') {\n task.ref = handle.ref.bind(handle);\n task.unref = handle.unref.bind(handle);\n }\n if (typeof handle === 'number' || handle) {\n return handle;\n }\n return task;\n }\n else {\n // cause an error by calling it directly.\n return delegate.apply(window, args);\n }\n });\n clearNative =\n patchMethod(window, cancelName, (delegate) => function (self, args) {\n const id = args[0];\n let task;\n if (typeof id === 'number') {\n // non nodejs env.\n task = tasksByHandleId[id];\n }\n else {\n // nodejs env.\n task = id && id[taskSymbol];\n // other environments.\n if (!task) {\n task = id;\n }\n }\n if (task && typeof task.type === 'string') {\n if (task.state !== 'notScheduled' &&\n (task.cancelFn && task.data.isPeriodic || task.runCount === 0)) {\n if (typeof id === 'number') {\n delete tasksByHandleId[id];\n }\n else if (id) {\n id[taskSymbol] = null;\n }\n // Do not cancel already canceled functions\n task.zone.cancelTask(task);\n }\n }\n else {\n // cause an error by calling it directly.\n delegate.apply(window, args);\n }\n });\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n function patchCustomElements(_global, api) {\n const { isBrowser, isMix } = api.getGlobalObjects();\n if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {\n return;\n }\n const callbacks = ['connectedCallback', 'disconnectedCallback', 'adoptedCallback', 'attributeChangedCallback'];\n api.patchCallbacks(api, _global.customElements, 'customElements', 'define', callbacks);\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n function eventTargetPatch(_global, api) {\n if (Zone[api.symbol('patchEventTarget')]) {\n // EventTarget is already patched.\n return;\n }\n const { eventNames, zoneSymbolEventNames, TRUE_STR, FALSE_STR, ZONE_SYMBOL_PREFIX } = api.getGlobalObjects();\n // predefine all __zone_symbol__ + eventName + true/false string\n for (let i = 0; i < eventNames.length; i++) {\n const eventName = eventNames[i];\n const falseEventName = eventName + FALSE_STR;\n const trueEventName = eventName + TRUE_STR;\n const symbol = ZONE_SYMBOL_PREFIX + falseEventName;\n const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\n zoneSymbolEventNames[eventName] = {};\n zoneSymbolEventNames[eventName][FALSE_STR] = symbol;\n zoneSymbolEventNames[eventName][TRUE_STR] = symbolCapture;\n }\n const EVENT_TARGET = _global['EventTarget'];\n if (!EVENT_TARGET || !EVENT_TARGET.prototype) {\n return;\n }\n api.patchEventTarget(_global, [EVENT_TARGET && EVENT_TARGET.prototype]);\n return true;\n }\n function patchEvent(global, api) {\n api.patchEventPrototype(global, api);\n }\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n Zone.__load_patch('legacy', (global) => {\n const legacyPatch = global[Zone.__symbol__('legacyPatch')];\n if (legacyPatch) {\n legacyPatch();\n }\n });\n Zone.__load_patch('timers', (global) => {\n const set = 'set';\n const clear = 'clear';\n patchTimer(global, set, clear, 'Timeout');\n patchTimer(global, set, clear, 'Interval');\n patchTimer(global, set, clear, 'Immediate');\n });\n Zone.__load_patch('requestAnimationFrame', (global) => {\n patchTimer(global, 'request', 'cancel', 'AnimationFrame');\n patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');\n patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');\n });\n Zone.__load_patch('blocking', (global, Zone) => {\n const blockingMethods = ['alert', 'prompt', 'confirm'];\n for (let i = 0; i < blockingMethods.length; i++) {\n const name = blockingMethods[i];\n patchMethod(global, name, (delegate, symbol, name) => {\n return function (s, args) {\n return Zone.current.run(delegate, global, args, name);\n };\n });\n }\n });\n Zone.__load_patch('EventTarget', (global, Zone, api) => {\n patchEvent(global, api);\n eventTargetPatch(global, api);\n // patch XMLHttpRequestEventTarget's addEventListener/removeEventListener\n const XMLHttpRequestEventTarget = global['XMLHttpRequestEventTarget'];\n if (XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype) {\n api.patchEventTarget(global, [XMLHttpRequestEventTarget.prototype]);\n }\n patchClass('MutationObserver');\n patchClass('WebKitMutationObserver');\n patchClass('IntersectionObserver');\n patchClass('FileReader');\n });\n Zone.__load_patch('on_property', (global, Zone, api) => {\n propertyDescriptorPatch(api, global);\n });\n Zone.__load_patch('customElements', (global, Zone, api) => {\n patchCustomElements(global, api);\n });\n Zone.__load_patch('XHR', (global, Zone) => {\n // Treat XMLHttpRequest as a macrotask.\n patchXHR(global);\n const XHR_TASK = zoneSymbol('xhrTask');\n const XHR_SYNC = zoneSymbol('xhrSync');\n const XHR_LISTENER = zoneSymbol('xhrListener');\n const XHR_SCHEDULED = zoneSymbol('xhrScheduled');\n const XHR_URL = zoneSymbol('xhrURL');\n const XHR_ERROR_BEFORE_SCHEDULED = zoneSymbol('xhrErrorBeforeScheduled');\n function patchXHR(window) {\n const XMLHttpRequest = window['XMLHttpRequest'];\n if (!XMLHttpRequest) {\n // XMLHttpRequest is not available in service worker\n return;\n }\n const XMLHttpRequestPrototype = XMLHttpRequest.prototype;\n function findPendingTask(target) { return target[XHR_TASK]; }\n let oriAddListener = XMLHttpRequestPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];\n let oriRemoveListener = XMLHttpRequestPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\n if (!oriAddListener) {\n const XMLHttpRequestEventTarget = window['XMLHttpRequestEventTarget'];\n if (XMLHttpRequestEventTarget) {\n const XMLHttpRequestEventTargetPrototype = XMLHttpRequestEventTarget.prototype;\n oriAddListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];\n oriRemoveListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\n }\n }\n const READY_STATE_CHANGE = 'readystatechange';\n const SCHEDULED = 'scheduled';\n function scheduleTask(task) {\n const data = task.data;\n const target = data.target;\n target[XHR_SCHEDULED] = false;\n target[XHR_ERROR_BEFORE_SCHEDULED] = false;\n // remove existing event listener\n const listener = target[XHR_LISTENER];\n if (!oriAddListener) {\n oriAddListener = target[ZONE_SYMBOL_ADD_EVENT_LISTENER];\n oriRemoveListener = target[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\n }\n if (listener) {\n oriRemoveListener.call(target, READY_STATE_CHANGE, listener);\n }\n const newListener = target[XHR_LISTENER] = () => {\n if (target.readyState === target.DONE) {\n // sometimes on some browsers XMLHttpRequest will fire onreadystatechange with\n // readyState=4 multiple times, so we need to check task state here\n if (!data.aborted && target[XHR_SCHEDULED] && task.state === SCHEDULED) {\n // check whether the xhr has registered onload listener\n // if that is the case, the task should invoke after all\n // onload listeners finish.\n const loadTasks = target[Zone.__symbol__('loadfalse')];\n if (loadTasks && loadTasks.length > 0) {\n const oriInvoke = task.invoke;\n task.invoke = function () {\n // need to load the tasks again, because in other\n // load listener, they may remove themselves\n const loadTasks = target[Zone.__symbol__('loadfalse')];\n for (let i = 0; i < loadTasks.length; i++) {\n if (loadTasks[i] === task) {\n loadTasks.splice(i, 1);\n }\n }\n if (!data.aborted && task.state === SCHEDULED) {\n oriInvoke.call(task);\n }\n };\n loadTasks.push(task);\n }\n else {\n task.invoke();\n }\n }\n else if (!data.aborted && target[XHR_SCHEDULED] === false) {\n // error occurs when xhr.send()\n target[XHR_ERROR_BEFORE_SCHEDULED] = true;\n }\n }\n };\n oriAddListener.call(target, READY_STATE_CHANGE, newListener);\n const storedTask = target[XHR_TASK];\n if (!storedTask) {\n target[XHR_TASK] = task;\n }\n sendNative.apply(target, data.args);\n target[XHR_SCHEDULED] = true;\n return task;\n }\n function placeholderCallback() { }\n function clearTask(task) {\n const data = task.data;\n // Note - ideally, we would call data.target.removeEventListener here, but it's too late\n // to prevent it from firing. So instead, we store info for the event listener.\n data.aborted = true;\n return abortNative.apply(data.target, data.args);\n }\n const openNative = patchMethod(XMLHttpRequestPrototype, 'open', () => function (self, args) {\n self[XHR_SYNC] = args[2] == false;\n self[XHR_URL] = args[1];\n return openNative.apply(self, args);\n });\n const XMLHTTPREQUEST_SOURCE = 'XMLHttpRequest.send';\n const fetchTaskAborting = zoneSymbol('fetchTaskAborting');\n const fetchTaskScheduling = zoneSymbol('fetchTaskScheduling');\n const sendNative = patchMethod(XMLHttpRequestPrototype, 'send', () => function (self, args) {\n if (Zone.current[fetchTaskScheduling] === true) {\n // a fetch is scheduling, so we are using xhr to polyfill fetch\n // and because we already schedule macroTask for fetch, we should\n // not schedule a macroTask for xhr again\n return sendNative.apply(self, args);\n }\n if (self[XHR_SYNC]) {\n // if the XHR is sync there is no task to schedule, just execute the code.\n return sendNative.apply(self, args);\n }\n else {\n const options = { target: self, url: self[XHR_URL], isPeriodic: false, args: args, aborted: false };\n const task = scheduleMacroTaskWithCurrentZone(XMLHTTPREQUEST_SOURCE, placeholderCallback, options, scheduleTask, clearTask);\n if (self && self[XHR_ERROR_BEFORE_SCHEDULED] === true && !options.aborted &&\n task.state === SCHEDULED) {\n // xhr request throw error when send\n // we should invoke task instead of leaving a scheduled\n // pending macroTask\n task.invoke();\n }\n }\n });\n const abortNative = patchMethod(XMLHttpRequestPrototype, 'abort', () => function (self, args) {\n const task = findPendingTask(self);\n if (task && typeof task.type == 'string') {\n // If the XHR has already completed, do nothing.\n // If the XHR has already been aborted, do nothing.\n // Fix #569, call abort multiple times before done will cause\n // macroTask task count be negative number\n if (task.cancelFn == null || (task.data && task.data.aborted)) {\n return;\n }\n task.zone.cancelTask(task);\n }\n else if (Zone.current[fetchTaskAborting] === true) {\n // the abort is called from fetch polyfill, we need to call native abort of XHR.\n return abortNative.apply(self, args);\n }\n // Otherwise, we are trying to abort an XHR which has not yet been sent, so there is no\n // task\n // to cancel. Do nothing.\n });\n }\n });\n Zone.__load_patch('geolocation', (global) => {\n /// GEO_LOCATION\n if (global['navigator'] && global['navigator'].geolocation) {\n patchPrototype(global['navigator'].geolocation, ['getCurrentPosition', 'watchPosition']);\n }\n });\n Zone.__load_patch('PromiseRejectionEvent', (global, Zone) => {\n // handle unhandled promise rejection\n function findPromiseRejectionHandler(evtName) {\n return function (e) {\n const eventTasks = findEventTasks(global, evtName);\n eventTasks.forEach(eventTask => {\n // windows has added unhandledrejection event listener\n // trigger the event listener\n const PromiseRejectionEvent = global['PromiseRejectionEvent'];\n if (PromiseRejectionEvent) {\n const evt = new PromiseRejectionEvent(evtName, { promise: e.promise, reason: e.rejection });\n eventTask.invoke(evt);\n }\n });\n };\n }\n if (global['PromiseRejectionEvent']) {\n Zone[zoneSymbol('unhandledPromiseRejectionHandler')] =\n findPromiseRejectionHandler('unhandledrejection');\n Zone[zoneSymbol('rejectionHandledHandler')] =\n findPromiseRejectionHandler('rejectionhandled');\n }\n });\n\n})));\n"],"sourceRoot":"webpack:///" Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n const Zone$1 = (function (global) {\n const performance = global['performance'];\n function mark(name) { performance && performance['mark'] && performance['mark'](name); }\n function performanceMeasure(name, label) {\n performance && performance['measure'] && performance['measure'](name, label);\n }\n mark('Zone');\n // Initialize before it's accessed below.\n // __Zone_symbol_prefix global can be used to override the default zone\n // symbol prefix with a custom one if needed.\n const symbolPrefix = global['__Zone_symbol_prefix'] || '__zone_symbol__';\n function __symbol__(name) { return symbolPrefix + name; }\n const checkDuplicate = global[__symbol__('forceDuplicateZoneCheck')] === true;\n if (global['Zone']) {\n // if global['Zone'] already exists (maybe zone.js was already loaded or\n // some other lib also registered a global object named Zone), we may need\n // to throw an error, but sometimes user may not want this error.\n // For example,\n // we have two web pages, page1 includes zone.js, page2 doesn't.\n // and the 1st time user load page1 and page2, everything work fine,\n // but when user load page2 again, error occurs because global['Zone'] already exists.\n // so we add a flag to let user choose whether to throw this error or not.\n // By default, if existing Zone is from zone.js, we will not throw the error.\n if (checkDuplicate || typeof global['Zone'].__symbol__ !== 'function') {\n throw new Error('Zone already loaded.');\n }\n else {\n return global['Zone'];\n }\n }\n class Zone {\n constructor(parent, zoneSpec) {\n this._parent = parent;\n this._name = zoneSpec ? zoneSpec.name || 'unnamed' : '';\n this._properties = zoneSpec && zoneSpec.properties || {};\n this._zoneDelegate =\n new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec);\n }\n static assertZonePatched() {\n if (global['Promise'] !== patches['ZoneAwarePromise']) {\n throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' +\n 'has been overwritten.\\n' +\n 'Most likely cause is that a Promise polyfill has been loaded ' +\n 'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' +\n 'If you must load one, do so before loading zone.js.)');\n }\n }\n static get root() {\n let zone = Zone.current;\n while (zone.parent) {\n zone = zone.parent;\n }\n return zone;\n }\n static get current() { return _currentZoneFrame.zone; }\n static get currentTask() { return _currentTask; }\n // tslint:disable-next-line:require-internal-with-underscore\n static __load_patch(name, fn) {\n if (patches.hasOwnProperty(name)) {\n if (checkDuplicate) {\n throw Error('Already loaded patch: ' + name);\n }\n }\n else if (!global['__Zone_disable_' + name]) {\n const perfName = 'Zone:' + name;\n mark(perfName);\n patches[name] = fn(global, Zone, _api);\n performanceMeasure(perfName, perfName);\n }\n }\n get parent() { return this._parent; }\n get name() { return this._name; }\n get(key) {\n const zone = this.getZoneWith(key);\n if (zone)\n return zone._properties[key];\n }\n getZoneWith(key) {\n let current = this;\n while (current) {\n if (current._properties.hasOwnProperty(key)) {\n return current;\n }\n current = current._parent;\n }\n return null;\n }\n fork(zoneSpec) {\n if (!zoneSpec)\n throw new Error('ZoneSpec required!');\n return this._zoneDelegate.fork(this, zoneSpec);\n }\n wrap(callback, source) {\n if (typeof callback !== 'function') {\n throw new Error('Expecting function got: ' + callback);\n }\n const _callback = this._zoneDelegate.intercept(this, callback, source);\n const zone = this;\n return function () {\n return zone.runGuarded(_callback, this, arguments, source);\n };\n }\n run(callback, applyThis, applyArgs, source) {\n _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\n try {\n return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);\n }\n finally {\n _currentZoneFrame = _currentZoneFrame.parent;\n }\n }\n runGuarded(callback, applyThis = null, applyArgs, source) {\n _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\n try {\n try {\n return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);\n }\n catch (error) {\n if (this._zoneDelegate.handleError(this, error)) {\n throw error;\n }\n }\n }\n finally {\n _currentZoneFrame = _currentZoneFrame.parent;\n }\n }\n runTask(task, applyThis, applyArgs) {\n if (task.zone != this) {\n throw new Error('A task can only be run in the zone of creation! (Creation: ' +\n (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');\n }\n // https://github.com/angular/zone.js/issues/778, sometimes eventTask\n // will run in notScheduled(canceled) state, we should not try to\n // run such kind of task but just return\n if (task.state === notScheduled && (task.type === eventTask || task.type === macroTask)) {\n return;\n }\n const reEntryGuard = task.state != running;\n reEntryGuard && task._transitionTo(running, scheduled);\n task.runCount++;\n const previousTask = _currentTask;\n _currentTask = task;\n _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\n try {\n if (task.type == macroTask && task.data && !task.data.isPeriodic) {\n task.cancelFn = undefined;\n }\n try {\n return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs);\n }\n catch (error) {\n if (this._zoneDelegate.handleError(this, error)) {\n throw error;\n }\n }\n }\n finally {\n // if the task's state is notScheduled or unknown, then it has already been cancelled\n // we should not reset the state to scheduled\n if (task.state !== notScheduled && task.state !== unknown) {\n if (task.type == eventTask || (task.data && task.data.isPeriodic)) {\n reEntryGuard && task._transitionTo(scheduled, running);\n }\n else {\n task.runCount = 0;\n this._updateTaskCount(task, -1);\n reEntryGuard &&\n task._transitionTo(notScheduled, running, notScheduled);\n }\n }\n _currentZoneFrame = _currentZoneFrame.parent;\n _currentTask = previousTask;\n }\n }\n scheduleTask(task) {\n if (task.zone && task.zone !== this) {\n // check if the task was rescheduled, the newZone\n // should not be the children of the original zone\n let newZone = this;\n while (newZone) {\n if (newZone === task.zone) {\n throw Error(`can not reschedule task to ${this.name} which is descendants of the original zone ${task.zone.name}`);\n }\n newZone = newZone.parent;\n }\n }\n task._transitionTo(scheduling, notScheduled);\n const zoneDelegates = [];\n task._zoneDelegates = zoneDelegates;\n task._zone = this;\n try {\n task = this._zoneDelegate.scheduleTask(this, task);\n }\n catch (err) {\n // should set task's state to unknown when scheduleTask throw error\n // because the err may from reschedule, so the fromState maybe notScheduled\n task._transitionTo(unknown, scheduling, notScheduled);\n // TODO: @JiaLiPassion, should we check the result from handleError?\n this._zoneDelegate.handleError(this, err);\n throw err;\n }\n if (task._zoneDelegates === zoneDelegates) {\n // we have to check because internally the delegate can reschedule the task.\n this._updateTaskCount(task, 1);\n }\n if (task.state == scheduling) {\n task._transitionTo(scheduled, scheduling);\n }\n return task;\n }\n scheduleMicroTask(source, callback, data, customSchedule) {\n return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined));\n }\n scheduleMacroTask(source, callback, data, customSchedule, customCancel) {\n return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));\n }\n scheduleEventTask(source, callback, data, customSchedule, customCancel) {\n return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));\n }\n cancelTask(task) {\n if (task.zone != this)\n throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' +\n (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');\n task._transitionTo(canceling, scheduled, running);\n try {\n this._zoneDelegate.cancelTask(this, task);\n }\n catch (err) {\n // if error occurs when cancelTask, transit the state to unknown\n task._transitionTo(unknown, canceling);\n this._zoneDelegate.handleError(this, err);\n throw err;\n }\n this._updateTaskCount(task, -1);\n task._transitionTo(notScheduled, canceling);\n task.runCount = 0;\n return task;\n }\n _updateTaskCount(task, count) {\n const zoneDelegates = task._zoneDelegates;\n if (count == -1) {\n task._zoneDelegates = null;\n }\n for (let i = 0; i < zoneDelegates.length; i++) {\n zoneDelegates[i]._updateTaskCount(task.type, count);\n }\n }\n }\n // tslint:disable-next-line:require-internal-with-underscore\n Zone.__symbol__ = __symbol__;\n const DELEGATE_ZS = {\n name: '',\n onHasTask: (delegate, _, target, hasTaskState) => delegate.hasTask(target, hasTaskState),\n onScheduleTask: (delegate, _, target, task) => delegate.scheduleTask(target, task),\n onInvokeTask: (delegate, _, target, task, applyThis, applyArgs) => delegate.invokeTask(target, task, applyThis, applyArgs),\n onCancelTask: (delegate, _, target, task) => delegate.cancelTask(target, task)\n };\n class ZoneDelegate {\n constructor(zone, parentDelegate, zoneSpec) {\n this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 };\n this.zone = zone;\n this._parentDelegate = parentDelegate;\n this._forkZS =\n zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS);\n this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt);\n this._forkCurrZone =\n zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate._forkCurrZone);\n this._interceptZS =\n zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);\n this._interceptDlgt =\n zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);\n this._interceptCurrZone =\n zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate._interceptCurrZone);\n this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);\n this._invokeDlgt =\n zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);\n this._invokeCurrZone =\n zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate._invokeCurrZone);\n this._handleErrorZS =\n zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);\n this._handleErrorDlgt = zoneSpec &&\n (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);\n this._handleErrorCurrZone =\n zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate._handleErrorCurrZone);\n this._scheduleTaskZS =\n zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);\n this._scheduleTaskDlgt = zoneSpec &&\n (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);\n this._scheduleTaskCurrZone = zoneSpec &&\n (zoneSpec.onScheduleTask ? this.zone : parentDelegate._scheduleTaskCurrZone);\n this._invokeTaskZS =\n zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);\n this._invokeTaskDlgt =\n zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);\n this._invokeTaskCurrZone =\n zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate._invokeTaskCurrZone);\n this._cancelTaskZS =\n zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);\n this._cancelTaskDlgt =\n zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);\n this._cancelTaskCurrZone =\n zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate._cancelTaskCurrZone);\n this._hasTaskZS = null;\n this._hasTaskDlgt = null;\n this._hasTaskDlgtOwner = null;\n this._hasTaskCurrZone = null;\n const zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask;\n const parentHasTask = parentDelegate && parentDelegate._hasTaskZS;\n if (zoneSpecHasTask || parentHasTask) {\n // If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such\n // a case all task related interceptors must go through this ZD. We can't short circuit it.\n this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS;\n this._hasTaskDlgt = parentDelegate;\n this._hasTaskDlgtOwner = this;\n this._hasTaskCurrZone = zone;\n if (!zoneSpec.onScheduleTask) {\n this._scheduleTaskZS = DELEGATE_ZS;\n this._scheduleTaskDlgt = parentDelegate;\n this._scheduleTaskCurrZone = this.zone;\n }\n if (!zoneSpec.onInvokeTask) {\n this._invokeTaskZS = DELEGATE_ZS;\n this._invokeTaskDlgt = parentDelegate;\n this._invokeTaskCurrZone = this.zone;\n }\n if (!zoneSpec.onCancelTask) {\n this._cancelTaskZS = DELEGATE_ZS;\n this._cancelTaskDlgt = parentDelegate;\n this._cancelTaskCurrZone = this.zone;\n }\n }\n }\n fork(targetZone, zoneSpec) {\n return this._forkZS ?\n this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) :\n new Zone(targetZone, zoneSpec);\n }\n intercept(targetZone, callback, source) {\n return this._interceptZS ?\n this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) :\n callback;\n }\n invoke(targetZone, callback, applyThis, applyArgs, source) {\n return this._invokeZS ?\n this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) :\n callback.apply(applyThis, applyArgs);\n }\n handleError(targetZone, error) {\n return this._handleErrorZS ?\n this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) :\n true;\n }\n scheduleTask(targetZone, task) {\n let returnTask = task;\n if (this._scheduleTaskZS) {\n if (this._hasTaskZS) {\n returnTask._zoneDelegates.push(this._hasTaskDlgtOwner);\n }\n // clang-format off\n returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task);\n // clang-format on\n if (!returnTask)\n returnTask = task;\n }\n else {\n if (task.scheduleFn) {\n task.scheduleFn(task);\n }\n else if (task.type == microTask) {\n scheduleMicroTask(task);\n }\n else {\n throw new Error('Task is missing scheduleFn.');\n }\n }\n return returnTask;\n }\n invokeTask(targetZone, task, applyThis, applyArgs) {\n return this._invokeTaskZS ?\n this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) :\n task.callback.apply(applyThis, applyArgs);\n }\n cancelTask(targetZone, task) {\n let value;\n if (this._cancelTaskZS) {\n value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task);\n }\n else {\n if (!task.cancelFn) {\n throw Error('Task is not cancelable');\n }\n value = task.cancelFn(task);\n }\n return value;\n }\n hasTask(targetZone, isEmpty) {\n // hasTask should not throw error so other ZoneDelegate\n // can still trigger hasTask callback\n try {\n this._hasTaskZS &&\n this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty);\n }\n catch (err) {\n this.handleError(targetZone, err);\n }\n }\n // tslint:disable-next-line:require-internal-with-underscore\n _updateTaskCount(type, count) {\n const counts = this._taskCounts;\n const prev = counts[type];\n const next = counts[type] = prev + count;\n if (next < 0) {\n throw new Error('More tasks executed then were scheduled.');\n }\n if (prev == 0 || next == 0) {\n const isEmpty = {\n microTask: counts['microTask'] > 0,\n macroTask: counts['macroTask'] > 0,\n eventTask: counts['eventTask'] > 0,\n change: type\n };\n this.hasTask(this.zone, isEmpty);\n }\n }\n }\n class ZoneTask {\n constructor(type, source, callback, options, scheduleFn, cancelFn) {\n // tslint:disable-next-line:require-internal-with-underscore\n this._zone = null;\n this.runCount = 0;\n // tslint:disable-next-line:require-internal-with-underscore\n this._zoneDelegates = null;\n // tslint:disable-next-line:require-internal-with-underscore\n this._state = 'notScheduled';\n this.type = type;\n this.source = source;\n this.data = options;\n this.scheduleFn = scheduleFn;\n this.cancelFn = cancelFn;\n if (!callback) {\n throw new Error('callback is not defined');\n }\n this.callback = callback;\n const self = this;\n // TODO: @JiaLiPassion options should have interface\n if (type === eventTask && options && options.useG) {\n this.invoke = ZoneTask.invokeTask;\n }\n else {\n this.invoke = function () {\n return ZoneTask.invokeTask.call(global, self, this, arguments);\n };\n }\n }\n static invokeTask(task, target, args) {\n if (!task) {\n task = this;\n }\n _numberOfNestedTaskFrames++;\n try {\n task.runCount++;\n return task.zone.runTask(task, target, args);\n }\n finally {\n if (_numberOfNestedTaskFrames == 1) {\n drainMicroTaskQueue();\n }\n _numberOfNestedTaskFrames--;\n }\n }\n get zone() { return this._zone; }\n get state() { return this._state; }\n cancelScheduleRequest() { this._transitionTo(notScheduled, scheduling); }\n // tslint:disable-next-line:require-internal-with-underscore\n _transitionTo(toState, fromState1, fromState2) {\n if (this._state === fromState1 || this._state === fromState2) {\n this._state = toState;\n if (toState == notScheduled) {\n this._zoneDelegates = null;\n }\n }\n else {\n throw new Error(`${this.type} '${this.source}': can not transition to '${toState}', expecting state '${fromState1}'${fromState2 ? ' or \\'' + fromState2 + '\\'' : ''}, was '${this._state}'.`);\n }\n }\n toString() {\n if (this.data && typeof this.data.handleId !== 'undefined') {\n return this.data.handleId.toString();\n }\n else {\n return Object.prototype.toString.call(this);\n }\n }\n // add toJSON method to prevent cyclic error when\n // call JSON.stringify(zoneTask)\n toJSON() {\n return {\n type: this.type,\n state: this.state,\n source: this.source,\n zone: this.zone.name,\n runCount: this.runCount\n };\n }\n }\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n /// MICROTASK QUEUE\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n const symbolSetTimeout = __symbol__('setTimeout');\n const symbolPromise = __symbol__('Promise');\n const symbolThen = __symbol__('then');\n let _microTaskQueue = [];\n let _isDrainingMicrotaskQueue = false;\n let nativeMicroTaskQueuePromise;\n function scheduleMicroTask(task) {\n // if we are not running in any task, and there has not been anything scheduled\n // we must bootstrap the initial task creation by manually scheduling the drain\n if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {\n // We are not running in Task, so we need to kickstart the microtask queue.\n if (!nativeMicroTaskQueuePromise) {\n if (global[symbolPromise]) {\n nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0);\n }\n }\n if (nativeMicroTaskQueuePromise) {\n let nativeThen = nativeMicroTaskQueuePromise[symbolThen];\n if (!nativeThen) {\n // native Promise is not patchable, we need to use `then` directly\n // issue 1078\n nativeThen = nativeMicroTaskQueuePromise['then'];\n }\n nativeThen.call(nativeMicroTaskQueuePromise, drainMicroTaskQueue);\n }\n else {\n global[symbolSetTimeout](drainMicroTaskQueue, 0);\n }\n }\n task && _microTaskQueue.push(task);\n }\n function drainMicroTaskQueue() {\n if (!_isDrainingMicrotaskQueue) {\n _isDrainingMicrotaskQueue = true;\n while (_microTaskQueue.length) {\n const queue = _microTaskQueue;\n _microTaskQueue = [];\n for (let i = 0; i < queue.length; i++) {\n const task = queue[i];\n try {\n task.zone.runTask(task, null, null);\n }\n catch (error) {\n _api.onUnhandledError(error);\n }\n }\n }\n _api.microtaskDrainDone();\n _isDrainingMicrotaskQueue = false;\n }\n }\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n /// BOOTSTRAP\n //////////////////////////////////////////////////////\n //////////////////////////////////////////////////////\n const NO_ZONE = { name: 'NO ZONE' };\n const notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown';\n const microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask';\n const patches = {};\n const _api = {\n symbol: __symbol__,\n currentZoneFrame: () => _currentZoneFrame,\n onUnhandledError: noop,\n microtaskDrainDone: noop,\n scheduleMicroTask: scheduleMicroTask,\n showUncaughtError: () => !Zone[__symbol__('ignoreConsoleErrorUncaughtError')],\n patchEventTarget: () => [],\n patchOnProperties: noop,\n patchMethod: () => noop,\n bindArguments: () => [],\n patchThen: () => noop,\n patchMacroTask: () => noop,\n setNativePromise: (NativePromise) => {\n // sometimes NativePromise.resolve static function\n // is not ready yet, (such as core-js/es6.promise)\n // so we need to check here.\n if (NativePromise && typeof NativePromise.resolve === 'function') {\n nativeMicroTaskQueuePromise = NativePromise.resolve(0);\n }\n },\n patchEventPrototype: () => noop,\n isIEOrEdge: () => false,\n getGlobalObjects: () => undefined,\n ObjectDefineProperty: () => noop,\n ObjectGetOwnPropertyDescriptor: () => undefined,\n ObjectCreate: () => undefined,\n ArraySlice: () => [],\n patchClass: () => noop,\n wrapWithCurrentZone: () => noop,\n filterProperties: () => [],\n attachOriginToPatched: () => noop,\n _redefineProperty: () => noop,\n patchCallbacks: () => noop\n };\n let _currentZoneFrame = { parent: null, zone: new Zone(null, null) };\n let _currentTask = null;\n let _numberOfNestedTaskFrames = 0;\n function noop() { }\n performanceMeasure('Zone', 'Zone');\n return global['Zone'] = Zone;\n })(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);\n\n /**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n Zone.__load_patch('ZoneAwarePromise', (global, Zone, api) => {\n const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n const ObjectDefineProperty = Object.defineProperty;\n function readableObjectToString(obj) {\n if (obj && obj.toString === Object.prototype.toString) {\n const className = obj.constructor && obj.constructor.name;\n return (className ? className : '') + ': ' + JSON.stringify(obj);\n }\n return obj ? obj.toString() : Object.prototype.toString.call(obj);\n }\n const __symbol__ = api.symbol;\n const _uncaughtPromiseErrors = [];\n const isDisableWrappingUncaughtPromiseRejection = global[__symbol__('DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION')] === true;\n const symbolPromise = __symbol__('Promise');\n const symbolThen = __symbol__('then');\n const creationTrace = '__creationTrace__';\n api.onUnhandledError = (e) => {\n if (api.showUncaughtError()) {\n const rejection = e && e.rejection;\n if (rejection) {\n console.error('Unhandled Promise rejection:', rejection instanceof Error ? rejection.message : rejection, '; Zone:', e.zone.name, '; Task:', e.task && e.task.source, '; Value:', rejection, rejection instanceof Error ? rejection.stack : undefined);\n }\n else {\n console.error(e);\n }\n }\n };\n api.microtaskDrainDone = () => {\n while (_uncaughtPromiseErrors.length) {\n const uncaughtPromiseError = _uncaughtPromiseErrors.shift();\n try {\n uncaughtPromiseError.zone.runGuarded(() => { throw uncaughtPromiseError; });\n }\n catch (error) {\n handleUnhandledRejection(error);\n }\n }\n };\n const UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler');\n function handleUnhandledRejection(e) {\n api.onUnhandledError(e);\n try {\n const handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL];\n if (typeof handler === 'function') {\n handler.call(this, e);\n }\n }\n catch (err) {\n }\n }\n function isThenable(value) { return value && value.then; }\n function forwardResolution(value) { return value; }\n function forwardRejection(rejection) { return ZoneAwarePromise.reject(rejection); }\n const symbolState = __symbol__('state');\n const symbolValue = __symbol__('value');\n const symbolFinally = __symbol__('finally');\n const symbolParentPromiseValue = __symbol__('parentPromiseValue');\n const symbolParentPromiseState = __symbol__('parentPromiseState');\n const source = 'Promise.then';\n const UNRESOLVED = null;\n const RESOLVED = true;\n const REJECTED = false;\n const REJECTED_NO_CATCH = 0;\n function makeResolver(promise, state) {\n return (v) => {\n try {\n resolvePromise(promise, state, v);\n }\n catch (err) {\n resolvePromise(promise, false, err);\n }\n // Do not return value or you will break the Promise spec.\n };\n }\n const once = function () {\n let wasCalled = false;\n return function wrapper(wrappedFunction) {\n return function () {\n if (wasCalled) {\n return;\n }\n wasCalled = true;\n wrappedFunction.apply(null, arguments);\n };\n };\n };\n const TYPE_ERROR = 'Promise resolved with itself';\n const CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace');\n // Promise Resolution\n function resolvePromise(promise, state, value) {\n const onceWrapper = once();\n if (promise === value) {\n throw new TypeError(TYPE_ERROR);\n }\n if (promise[symbolState] === UNRESOLVED) {\n // should only get value.then once based on promise spec.\n let then = null;\n try {\n if (typeof value === 'object' || typeof value === 'function') {\n then = value && value.then;\n }\n }\n catch (err) {\n onceWrapper(() => { resolvePromise(promise, false, err); })();\n return promise;\n }\n // if (value instanceof ZoneAwarePromise) {\n if (state !== REJECTED && value instanceof ZoneAwarePromise &&\n value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) &&\n value[symbolState] !== UNRESOLVED) {\n clearRejectedNoCatch(value);\n resolvePromise(promise, value[symbolState], value[symbolValue]);\n }\n else if (state !== REJECTED && typeof then === 'function') {\n try {\n then.call(value, onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false)));\n }\n catch (err) {\n onceWrapper(() => { resolvePromise(promise, false, err); })();\n }\n }\n else {\n promise[symbolState] = state;\n const queue = promise[symbolValue];\n promise[symbolValue] = value;\n if (promise[symbolFinally] === symbolFinally) {\n // the promise is generated by Promise.prototype.finally\n if (state === RESOLVED) {\n // the state is resolved, should ignore the value\n // and use parent promise value\n promise[symbolState] = promise[symbolParentPromiseState];\n promise[symbolValue] = promise[symbolParentPromiseValue];\n }\n }\n // record task information in value when error occurs, so we can\n // do some additional work such as render longStackTrace\n if (state === REJECTED && value instanceof Error) {\n // check if longStackTraceZone is here\n const trace = Zone.currentTask && Zone.currentTask.data &&\n Zone.currentTask.data[creationTrace];\n if (trace) {\n // only keep the long stack trace into error when in longStackTraceZone\n ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace });\n }\n }\n for (let i = 0; i < queue.length;) {\n scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]);\n }\n if (queue.length == 0 && state == REJECTED) {\n promise[symbolState] = REJECTED_NO_CATCH;\n let uncaughtPromiseError = value;\n if (!isDisableWrappingUncaughtPromiseRejection) {\n // If disable wrapping uncaught promise reject\n // and the rejected value is an Error object,\n // use the value instead of wrapping it.\n try {\n // Here we throws a new Error to print more readable error log\n // and if the value is not an error, zone.js builds an `Error`\n // Object here to attach the stack information.\n throw new Error('Uncaught (in promise): ' + readableObjectToString(value) +\n (value && value.stack ? '\\n' + value.stack : ''));\n }\n catch (err) {\n uncaughtPromiseError = err;\n }\n }\n uncaughtPromiseError.rejection = value;\n uncaughtPromiseError.promise = promise;\n uncaughtPromiseError.zone = Zone.current;\n uncaughtPromiseError.task = Zone.currentTask;\n _uncaughtPromiseErrors.push(uncaughtPromiseError);\n api.scheduleMicroTask(); // to make sure that it is running\n }\n }\n }\n // Resolving an already resolved promise is a noop.\n return promise;\n }\n const REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler');\n function clearRejectedNoCatch(promise) {\n if (promise[symbolState] === REJECTED_NO_CATCH) {\n // if the promise is rejected no catch status\n // and queue.length > 0, means there is a error handler\n // here to handle the rejected promise, we should trigger\n // windows.rejectionhandled eventHandler or nodejs rejectionHandled\n // eventHandler\n try {\n const handler = Zone[REJECTION_HANDLED_HANDLER];\n if (handler && typeof handler === 'function') {\n handler.call(this, { rejection: promise[symbolValue], promise: promise });\n }\n }\n catch (err) {\n }\n promise[symbolState] = REJECTED;\n for (let i = 0; i < _uncaughtPromiseErrors.length; i++) {\n if (promise === _uncaughtPromiseErrors[i].promise) {\n _uncaughtPromiseErrors.splice(i, 1);\n }\n }\n }\n }\n function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) {\n clearRejectedNoCatch(promise);\n const promiseState = promise[symbolState];\n const delegate = promiseState ?\n (typeof onFulfilled === 'function') ? onFulfilled : forwardResolution :\n (typeof onRejected === 'function') ? onRejected : forwardRejection;\n zone.scheduleMicroTask(source, () => {\n try {\n const parentPromiseValue = promise[symbolValue];\n const isFinallyPromise = !!chainPromise && symbolFinally === chainPromise[symbolFinally];\n if (isFinallyPromise) {\n // if the promise is generated from finally call, keep parent promise's state and value\n chainPromise[symbolParentPromiseValue] = parentPromiseValue;\n chainPromise[symbolParentPromiseState] = promiseState;\n }\n // should not pass value to finally callback\n const value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ?\n [] :\n [parentPromiseValue]);\n resolvePromise(chainPromise, true, value);\n }\n catch (error) {\n // if error occurs, should always return this error\n resolvePromise(chainPromise, false, error);\n }\n }, chainPromise);\n }\n const ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }';\n const noop = function () { };\n class ZoneAwarePromise {\n static toString() { return ZONE_AWARE_PROMISE_TO_STRING; }\n static resolve(value) {\n return resolvePromise(new this(null), RESOLVED, value);\n }\n static reject(error) {\n return resolvePromise(new this(null), REJECTED, error);\n }\n static race(values) {\n let resolve;\n let reject;\n let promise = new this((res, rej) => {\n resolve = res;\n reject = rej;\n });\n function onResolve(value) { resolve(value); }\n function onReject(error) { reject(error); }\n for (let value of values) {\n if (!isThenable(value)) {\n value = this.resolve(value);\n }\n value.then(onResolve, onReject);\n }\n return promise;\n }\n static all(values) { return ZoneAwarePromise.allWithCallback(values); }\n static allSettled(values) {\n const P = this && this.prototype instanceof ZoneAwarePromise ? this : ZoneAwarePromise;\n return P.allWithCallback(values, {\n thenCallback: (value) => ({ status: 'fulfilled', value }),\n errorCallback: (err) => ({ status: 'rejected', reason: err })\n });\n }\n static allWithCallback(values, callback) {\n let resolve;\n let reject;\n let promise = new this((res, rej) => {\n resolve = res;\n reject = rej;\n });\n // Start at 2 to prevent prematurely resolving if .then is called immediately.\n let unresolvedCount = 2;\n let valueIndex = 0;\n const resolvedValues = [];\n for (let value of values) {\n if (!isThenable(value)) {\n value = this.resolve(value);\n }\n const curValueIndex = valueIndex;\n try {\n value.then((value) => {\n resolvedValues[curValueIndex] = callback ? callback.thenCallback(value) : value;\n unresolvedCount--;\n if (unresolvedCount === 0) {\n resolve(resolvedValues);\n }\n }, (err) => {\n if (!callback) {\n reject(err);\n }\n else {\n resolvedValues[curValueIndex] = c FileName: ./application/src/main/resources/static/runtime.js SPDXID: SPDXRef-309284ec6652b2499c61f50bbcc5e2e9 FileChecksum: SHA1: 154c277c076cfc8ee335df5d9349395c6bf58db5 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors FileName: ./application/src/main/resources/static/runtime.js.map SPDXID: SPDXRef-452cc93a6cc7d0bbb3a7dcde3aef0c4d FileChecksum: SHA1: 6efca11be4fc11b34c813f3ff4c319579de4d306 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors FileName: ./application/src/main/resources/static/styles.js SPDXID: SPDXRef-59a2b1b3695a618da6e8a6e1078abadf FileChecksum: SHA1: 010a42498fc23f0d6de9266f0617b7d9d6578166 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors FileName: ./application/src/main/resources/static/styles.js.map SPDXID: SPDXRef-dd55ff1106ed57de4d541427c9bba32a FileChecksum: SHA1: 26277acb6a5cc45fea69ebb066eb98136ae9a7fe LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors FileName: ./application/src/main/resources/static/vendor.js SPDXID: SPDXRef-0f47aa988a59aeaaa297290157ac35ab FileChecksum: SHA1: 85c3bbad8737b6e1e6a2e7dd571065dfbd6497e9 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and teched2020-DT261 contributors Copyright Google LLC All Rights Reserved. FileName: ./application/src/main/resources/static/vendor.js.map SPDXID: SPDXRef-2e50104262afba889add8e0b19a073ca FileChecksum: SHA1: 1281685257724be11eed3144b8d62c4c57760544 LicenseConcluded: NOASSERTION LicenseInfoInFile: Apache-2.0 FileCopyrightText: Copyright 1024 Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nconst unusedValueToPlacateAjd$1 = unusedValueExportToPlacateAjd$1 + unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$5 + unusedValueExportToPlacateAjd$2 + unusedValueExportToPlacateAjd;\nfunction getLContainer(tNode, embeddedView) {\n ngDevMode && assertLView(embeddedView);\n const container = embeddedView[PARENT];\n if (tNode.index === -1) {\n // This is a dynamically created view inside a dynamic container.\n // The parent isn't an LContainer if the embedded view hasn't been attached yet.\n return isLContainer(container) ? container : null;\n }\n else {\n ngDevMode && assertLContainer(container);\n // This is a inline view node (e.g. embeddedViewStart)\n return container;\n }\n}\n/**\n * Retrieves render parent for a given view.\n * Might be null if a view is not yet attached to any container.\n */\nfunction getContainerRenderParent(tViewNode, view) {\n const container = getLContainer(tViewNode, view);\n return container ? nativeParentNode(view[RENDERER], container[NATIVE]) : null;\n}\n/**\n * NOTE: for performance reasons, the possible actions are inlined within the function instead of\n * being passed as an argument.\n */\nfunction applyToElementOrContainer(action, renderer, parent, lNodeToHandle, beforeNode) {\n // If this slot was allocated for a text node dynamically created by i18n, the text node itself\n // won't be created until i18nApply() in the update block, so this node should be skipped.\n // For more info, see \"ICU expressions should work inside an ngTemplateOutlet inside an ngFor\"\n // in `i18n_spec.ts`.\n if (lNodeToHandle != null) {\n let lContainer;\n let isComponent = false;\n // We are expecting an RNode, but in the case of a component or LContainer the `RNode` is\n // wrapped in an array which needs to be unwrapped. We need to know if it is a component and if\n // it has LContainer so that we can process all of those cases appropriately.\n if (isLContainer(lNodeToHandle)) {\n lContainer = lNodeToHandle;\n }\n else if (isLView(lNodeToHandle)) {\n isComponent = true;\n ngDevMode && assertDefined(lNodeToHandle[HOST], 'HOST must be defined for a component LView');\n lNodeToHandle = lNodeToHandle[HOST];\n }\n const rNode = unwrapRNode(lNodeToHandle);\n ngDevMode && !isProceduralRenderer(renderer) && assertDomNode(rNode);\n if (action === 0 /* Create */ && parent !== null) {\n if (beforeNode == null) {\n nativeAppendChild(renderer, parent, rNode);\n }\n else {\n nativeInsertBefore(renderer, parent, rNode, beforeNode || null);\n }\n }\n else if (action === 1 /* Insert */ && parent !== null) {\n nativeInsertBefore(renderer, parent, rNode, beforeNode || null);\n }\n else if (action === 2 /* Detach */) {\n nativeRemoveNode(renderer, rNode, isComponent);\n }\n else if (action === 3 /* Destroy */) {\n ngDevMode && ngDevMode.rendererDestroyNode++;\n renderer.destroyNode(rNode);\n }\n if (lContainer != null) {\n applyContainer(renderer, action, lContainer, parent, beforeNode);\n }\n }\n}\nfunction createTextNode(value, renderer) {\n ngDevMode && ngDevMode.rendererCreateTextNode++;\n ngDevMode && ngDevMode.rendererSetText++;\n return isProceduralRenderer(renderer) ? renderer.createText(value) :\n renderer.createTextNode(value);\n}\nfunction addRemoveViewFromContainer(tView, lView, insertMode, beforeNode) {\n const renderParent = getContainerRenderParent(tView.node, lView);\n ngDevMode && assertNodeType(tView.node, 2 /* View */);\n if (renderParent) {\n const renderer = lView[RENDERER];\n const action = insertMode ? 1 /* Insert */ : 2 /* Detach */;\n applyView(tView, lView, renderer, action, renderParent, beforeNode);\n }\n}\n/**\n * Detach a `LView` from the DOM by detaching its nodes.\n *\n * @param tView The `TView' of the `LView` to be detached\n * @param lView the `LView` to be detached.\n */\nfunction renderDetachView(tView, lView) {\n applyView(tView, lView, lView[RENDERER], 2 /* Detach */, null, null);\n}\n/**\n * Traverses down and up the tree of views and containers to remove listeners and\n * call onDestroy callbacks.\n *\n * Notes:\n * - Because it's used for onDestroy calls, it needs to be bottom-up.\n * - Must process containers instead of their views to avoid splicing\n * when views are destroyed and re-added.\n * - Using a while loop because it's faster than recursion\n * - Destroy only called on movement to sibling or movement to parent (laterally or up)\n *\n * @param rootView The view to destroy\n */\nfunction destroyViewTree(rootView) {\n // If the view has no children, we can clean it up and return early.\n let lViewOrLContainer = rootView[CHILD_HEAD];\n if (!lViewOrLContainer) {\n return cleanUpView(rootView[TVIEW], rootView);\n }\n while (lViewOrLContainer) {\n let next = null;\n if (isLView(lViewOrLContainer)) {\n // If LView, traverse down to child.\n next = lViewOrLContainer[CHILD_HEAD];\n }\n else {\n ngDevMode && assertLContainer(lViewOrLContainer);\n // If container, traverse down to its first LView.\n const firstView = lViewOrLContainer[CONTAINER_HEADER_OFFSET];\n if (firstView)\n next = firstView;\n }\n if (!next) {\n // Only clean up view when moving to the side or up, as destroy hooks\n // should be called in order from the bottom up.\n while (lViewOrLContainer && !lViewOrLContainer[NEXT] && lViewOrLContainer !== rootView) {\n isLView(lViewOrLContainer) && cleanUpView(lViewOrLContainer[TVIEW], lViewOrLContainer);\n lViewOrLContainer = getParentState(lViewOrLContainer, rootView);\n }\n if (lViewOrLContainer === null)\n lViewOrLContainer = rootView;\n isLView(lViewOrLContainer) && cleanUpView(lViewOrLContainer[TVIEW], lViewOrLContainer);\n next = lViewOrLContainer && lViewOrLContainer[NEXT];\n }\n lViewOrLContainer = next;\n }\n}\n/**\n * Inserts a view into a container.\n *\n * This adds the view to the container's array of active views in the correct\n * position. It also adds the view's elements to the DOM if the container isn't a\n * root node of another view (in that case, the view's elements will be added when\n * the container's parent view is added later).\n *\n * @param tView The `TView' of the `LView` to insert\n * @param lView The view to insert\n * @param lContainer The container into which the view should be inserted\n * @param index Which index in the container to insert the child view into\n */\nfunction insertView(tView, lView, lContainer, index) {\n ngDevMode && assertLView(lView);\n ngDevMode && assertLContainer(lContainer);\n const indexInContainer = CONTAINER_HEADER_OFFSET + index;\n const containerLength = lContainer.length;\n if (index > 0) {\n // This is a new view, we need to add it to the children.\n lContainer[indexInContainer - 1][NEXT] = lView;\n }\n if (index < containerLength - CONTAINER_HEADER_OFFSET) {\n lView[NEXT] = lContainer[indexInContainer];\n addToArray(lContainer, CONTAINER_HEADER_OFFSET + index, lView);\n }\n else {\n lContainer.push(lView);\n lView[NEXT] = null;\n }\n lView[PARENT] = lContainer;\n // track views where declaration and insertion points are different\n const declarationLContainer = lView[DECLARATION_LCONTAINER];\n if (declarationLContainer !== null && lContainer !== declarationLContainer) {\n trackMovedView(declarationLContainer, lView);\n }\n // notify query that a new view has been added\n const lQueries = lView[QUERIES];\n if (lQueries !== null) {\n lQueries.insertView(tView);\n }\n // Sets the attached flag\n lView[FLAGS] |= 128 /* Attached */;\n}\n/**\n * Track views created from the declaration container (TemplateRef) and inserted into a\n * different LContainer.\n */\nfunction trackMovedView(declarationContainer, lView) {\n ngDevMode && assertDefined(lView, 'LView required');\n ngDevMode && assertLContainer(declarationContainer);\n const movedViews = declarationContainer[MOVED_VIEWS];\n const insertedLContainer = lView[PARENT];\n ngDevMode && assertLContainer(insertedLContainer);\n const insertedComponentLView = insertedLContainer[PARENT][DECLARATION_COMPONENT_VIEW];\n ngDevMode && assertDefined(insertedComponentLView, 'Missing insertedComponentLView');\n const declaredComponentLView = lView[DECLARATION_COMPONENT_VIEW];\n ngDevMode && assertDefined(declaredComponentLView, 'Missing declaredComponentLView');\n if (declaredComponentLView !== insertedComponentLView) {\n // At this point the declaration-component is not same as insertion-component; this means that\n // this is a transplanted view. Mark the declared lView as having transplanted views so that\n // those views can participate in CD.\n declarationContainer[HAS_TRANSPLANTED_VIEWS] = true;\n }\n if (movedViews === null) {\n declarationContainer[MOVED_VIEWS] = [lView];\n }\n else {\n movedViews.push(lView);\n }\n}\nfunction detachMovedView(declarationContainer, lView) {\n ngDevMode && assertLContainer(declarationContainer);\n ngDevMode &&\n assertDefined(declarationContainer[MOVED_VIEWS], 'A projected view should belong to a non-empty projected views collection');\n const movedViews = declarationContainer[MOVED_VIEWS];\n const declarationViewIndex = movedViews.indexOf(lView);\n const insertionLContainer = lView[PARENT];\n ngDevMode && assertLContainer(insertionLContainer);\n // If the view was marked for refresh but then detached before it was checked (where the flag\n // would be cleared and the counter decremented), we need to decrement the view counter here\n // instead.\n if (lView[FLAGS] & /* RefreshTransplantedView */) {\n lView[FLAGS] &= ~1024 /* RefreshTransplantedView */;\n updateTransplantedViewCount(insertionLContainer, -1);\n }\n movedViews.splice(declarationViewIndex, 1);\n}\n/**\n * Detaches a view from a container.\n *\n * This method removes the view from the container's array of active views. It also\n * removes the view's elements from the DOM.\n *\n * @param lContainer The container from which to detach a view\n * @param removeIndex The index of the view to detach\n * @returns Detached LView instance.\n */\nfunction detachView(lContainer, removeIndex) {\n if (lContainer.length <= CONTAINER_HEADER_OFFSET)\n return;\n const indexInContainer = CONTAINER_HEADER_OFFSET + removeIndex;\n const viewToDetach = lContainer[indexInContainer];\n if (viewToDetach) {\n const declarationLContainer = viewToDetach[DECLARATION_LCONTAINER];\n if (declarationLContainer !== null && declarationLContainer !== lContainer) {\n detachMovedView(declarationLContainer, viewToDetach);\n }\n if (removeIndex > 0) {\n lContainer[indexInContainer - 1][NEXT] = viewToDetach[NEXT];\n }\n const removedLView = removeFromArray(lContainer, CONTAINER_HEADER_OFFSET + removeIndex);\n addRemoveViewFromContainer(viewToDetach[TVIEW], viewToDetach, false, null);\n // notify query that a view has been removed\n const lQueries = removedLView[QUERIES];\n if (lQueries !== null) {\n lQueries.detachView(removedLView[TVIEW]);\n }\n viewToDetach[PARENT] = null;\n viewToDetach[NEXT] = null;\n // Unsets the attached flag\n viewToDetach[FLAGS] &= ~128 /* Attached */;\n }\n return viewToDetach;\n}\n/**\n * A standalone function which destroys an LView,\n * conducting clean up (e.g. removing listeners, calling onDestroys).\n *\n * @param tView The `TView' of the `LView` to be destroyed\n * @param lView The view to be destroyed.\n */\nfunction destroyLView(tView, lView) {\n if (!(lView[FLAGS] & 256 /* Destroyed */)) {\n const renderer = lView[RENDERER];\n if (isProceduralRenderer(renderer) && renderer.destroyNode) {\n applyView(tView, lView, renderer, 3 /* Destroy */, null, null);\n }\n destroyViewTree(lView);\n }\n}\n/**\n * Determines which LViewOrLContainer to jump to when traversing back up the\n * tree in destroyViewTree.\n *\n * Normally, the view's parent LView should be checked, but in the case of\n * embedded views, the container (which is the view node's parent, but not the\n * LView's parent) needs to be checked for a possible next property.\n *\n * @param lViewOrLContainer The LViewOrLContainer for which we need a parent state\n * @param rootView The rootView, so we don't propagate too far up the view tree\n * @returns The correct parent LViewOrLContainer\n */\nfunction getParentState(lViewOrLContainer, rootView) {\n let tNode;\n if (isLView(lViewOrLContainer) && (tNode = lViewOrLContainer[T_HOST]) &&\n tNode.type === 2 /* View */) {\n // if it's an embedded view, the state needs to go up to the container, in case the\n // container has a next\n return getLContainer(tNode, lViewOrLContainer);\n }\n else {\n // otherwise, use parent view for containers or component views\n return lViewOrLContainer[PARENT] === rootView ? null : lViewOrLContainer[PARENT];\n }\n}\n/**\n * Calls onDestroys hooks for all directives and pipes in a given view and then removes all\n * listeners. Listeners are removed as the last step so events delivered in the onDestroys hooks\n * can be propagated to @Output listeners.\n *\n * @param tView `TView` for the `LView` to clean up.\n * @param lView The LView to clean up\n */\nfunction cleanUpView(tView, lView) {\n if (!(lView[FLAGS] & 256 /* Destroyed */)) {\n // Usually the Attached flag is removed when the view is detached from its parent, however\n // if it's a root view, the flag won't be unset hence why we're also removing on destroy.\n lView[FLAGS] &= ~128 /* Attached */;\n // Mark the LView as destroyed *before* executing the onDestroy hooks. An onDestroy hook\n // runs arbitrary user code, which could include its own `viewRef.destroy()` (or similar). If\n // We don't flag the view as destroyed before the hooks, this could lead to an infinite loop.\n // This also aligns with the ViewEngine behavior. It also means that the onDestroy hook is\n // really more of an \"afterDestroy\" hook if you think about it.\n lView[FLAGS] |= 256 /* Destroyed */;\n executeOnDestroys(tView, lView);\n removeListeners(tView, lView);\n const hostTNode = lView[T_HOST];\n // For component views only, the local renderer is destroyed as clean up time.\n if (hostTNode && hostTNode.type === 3 /* Element */ &&\n isProceduralRenderer(lView[RENDERER])) {\n ngDevMode && ngDevMode.rendererDestroy++;\n lView[RENDERER].destroy();\n }\n const declarationContainer = lView[DECLARATION_LCONTAINER];\n // we are dealing with an embedded view that is still inserted into a container\n if (declarationContainer !== null && isLContainer(lView[PARENT])) {\n // and this is a projected view\n if (declarationContainer !== lView[PARENT]) {\n detachMovedView(declarationContainer, lView);\n }\n // For embedded views still attached to a container: remove query result from this view.\n const lQueries = lView[QUERIES];\n if (lQueries !== null) {\n lQueries.detachView(tView);\n }\n }\n }\n}\n/** Removes listeners and unsubscribes from output subscriptions */\nfunction removeListeners(tView, lView) {\n const tCleanup = tView.cleanup;\n if (tCleanup !== null) {\n const lCleanup = lView[CLEANUP];\n for (let i = 0; i < tCleanup.length - 1; i += 2) {\n if (typeof tCleanup[i] === 'string') {\n // This is a native DOM listener\n const idxOrTargetGetter = tCleanup[i + 1];\n const target = typeof idxOrTargetGetter === 'function' ?\n idxOrTargetGetter(lView) :\n unwrapRNode(lView[idxOrTargetGetter]);\n const listener = lCleanup[tCleanup[i + 2]];\n const useCaptureOrSubIdx = tCleanup[i + 3];\n if (typeof useCaptureOrSubIdx === 'boolean') {\n // native DOM listener registered with Renderer3\n target.removeEventListener(tCleanup[i], listener, useCaptureOrSubIdx);\n }\n else {\n if (useCaptureOrSubIdx >= 0) {\n // unregister\n lCleanup[useCaptureOrSubIdx]();\n }\n else {\n // Subscription\n lCleanup[-useCaptureOrSubIdx].unsubscribe();\n }\n }\n i += 2;\n }\n else {\n // This is a cleanup function that is grouped with the index of its context\n const context = lCleanup[tCleanup[i + 1]];\n tCleanup[i].call(context);\n }\n }\n lView[CLEANUP] = null;\n }\n}\n/** Calls onDestroy hooks for this view */\nfunction executeOnDestroys(tView, lView) {\n let destroyHooks;\n if (tView != null && (destroyHooks = tView.destroyHooks) != null) {\n for (let i = 0; i < destroyHooks.length; i += 2) {\n const context = lView[destroyHooks[i]];\n // Only call the destroy hook if the context has been requested.\n if (!(context instanceof NodeInjectorFactory)) {\n const toCall = destroyHooks[i + 1];\n if (Array.isArray(toCall)) {\n for (let j = 0; j < toCall.length; j += 2) {\n toCall[j + 1].call(context[toCall[j]]);\n }\n }\n else {\n toCall.call(context);\n }\n }\n }\n }\n}\n/**\n * Returns a native element if a node can be inserted into the given parent.\n *\n * There are two reasons why we may not be able to insert a element immediately.\n * - Projection: When creating a child content element of a component, we have to skip the\n * insertion because the content of a component will be projected.\n * `delayed due to projection`\n * - Parent container is disconnected: This can happen when we are inserting a view into\n * parent container, which itself is disconnected. For example the parent container is part\n * of a View which has not be inserted or is made for projection but has not been inserted\n * into destination.\n */\nfunction getRenderParent(tView, tNode, currentView) {\n // Skip over element and ICU containers as those are represented by a comment node and\n // can't be used as a render parent.\n let parentTNode = tNode.parent;\n while (parentTNode != null &&\n (parentTNode.type === 4 /* ElementContainer */ ||\n parentTNode.type === 5 /* IcuContainer */)) {\n tNode = parentTNode;\n parentTNode = tNode.parent;\n }\n // If the parent tNode is null, then we are inserting across views: either into an embedded view\n // or a component view.\n if (parentTNode == null) {\n const hostTNode = currentView[T_HOST];\n if (hostTNode.type === 2 /* View */) {\n // We are inserting a root element of an embedded view We might delay insertion of children\n // for a given view if it is disconnected. This might happen for 2 main reasons:\n // - view is not inserted into any container(view was created but not inserted yet)\n // - view is inserted into a container but the container itself is not inserted into the DOM\n // (container might be part of projection or child of a view that is not inserted yet).\n // In other words we can insert children of a given view if this view was inserted into a\n // container and the container itself has its render parent determined.\n return getContainerRenderParent(hostTNode, currentView);\n }\n else {\n // We are inserting a root element of the component view into the component host element and\n // it should always be eager.\n ngDevMode && assertNodeOfPossibleTypes(hostTNode, [3 /* Element */]);\n return currentView[HOST];\n }\n }\n else {\n const isIcuCase = tNode && tNode.type === 5 /* IcuContainer */;\n // If the parent of this node is an ICU container, then it is represented by comment node and we\n // need to use it as an anchor. If it is projected then it's direct parent node is the renderer.\n if (isIcuCase && tNode.flags & 4 /* isProjected */) {\n return getNativeByTNode(tNode, currentView).parentNode;\n }\n ngDevMode && assertNodeType(parentTNode, 3 /* Element */);\n if (parentTNode.flags & 2 /* isComponentHost */) {\n const tData = tView.data;\n const tNode = tData[parentTNode.index];\n const encapsulation = tData[tNode.directiveStart].encapsulation;\n // We've got a parent which is an element in the current view. We just need to verify if the\n // parent element is not a component. Component's content nodes are not inserted immediately\n // because they will be projected, and so doing insert at this point would be wasteful.\n // Since the projection would then move it to its final destination. Note that we can't\n // make this assumption when using the Shadow DOM, because the native projection placeholders\n // ( or ) have to be in place as elements are being inserted.\n if (encapsulation !== ViewEncapsulation$1.ShadowDom &&\n encapsulation !== ViewEncapsulation$1.Native) {\n return null;\n }\n }\n return getNativeByTNode(parentTNode, currentView);\n }\n}\n/**\n * Inserts a native node before another native node for a given parent using {@link Renderer3}.\n * This is a utility function that can be used when native nodes were determined - it abstracts an\n * actual renderer being used.\n */\nfunction nativeInsertBefore(renderer, parent, child, beforeNode) {\n ngDevMode && ngDevMode.rendererInsertBefore++;\n if (isProceduralRenderer(renderer)) {\n renderer.insertBefore(parent, child, beforeNode);\n }\n else {\n parent.insertBefore(child, beforeNode, true);\n }\n}\nfunction nativeAppendChild(renderer, parent, child) {\n ngDevMode && ngDevMode.rendererAppendChild++;\n ngDevMode && assertDefined(parent, 'parent node must be defined');\n if (isProceduralRenderer(renderer)) {\n renderer.appendChild(parent, child);\n }\n else {\n parent.appendChild(child);\n }\n}\nfunction nativeAppendOrInsertBefore(renderer, parent, child, beforeNode) {\n if (beforeNode !== null) {\n nativeInsertBefore(renderer, parent, child, beforeNode);\n }\n else {\n nativeAppendChild(renderer, parent, child);\n }\n}\n/** Removes a node from the DOM given its native parent. */\nfunction nativeRemoveChild(renderer, parent, child, isHostElement) {\n if (isProceduralRenderer(renderer)) {\n renderer.removeChild(parent, child, isHostElement);\n }\n else {\n parent.removeChild(child);\n }\n}\n/**\n * Returns a native parent of a given native node.\n */\nfunction nativeParentNode(renderer, node) {\n return (isProceduralRenderer(renderer) ? renderer.parentNode(node) : node.parentNode);\n}\n/**\n * Returns a native sibling of a given native node.\n */\nfunction nativeNextSibling(renderer, node) {\n return isProceduralRenderer(renderer) ? renderer.nextSibling(node) : node.nextSibling;\n}\n/**\n * Finds a native \"anchor\" node for cases where we can't append a native child directly\n * (`appendChild`) and need to use a reference (anchor) node for the `insertBefore` operation.\n * @param parentTNode\n * @param lView\n */\nfunction getNativeAnchorNode(parentTNode, lView) {\n if (parentTNode.type === 2 /* View */) {\n const lContainer = getLContainer(parentTNode, lView);\n if (lContainer === null)\n return null;\n const index = lContainer.indexOf(lView, CONTAINER_HEADER_OFFSET) - CONTAINER_HEADER_OFFSET;\n return getBeforeNodeForView(index, lContainer);\n }\n else if (parentTNode.type === 4 /* ElementContainer */ ||\n parentTNode.type === 5 /* IcuContainer */) {\n return getNativeByTNode(parentTNode, lView);\n }\n return null;\n}\n/**\n * Appends the `child` native node (or a collection of nodes) to the `parent`.\n *\n * The element insertion might be delayed {@link canInsertNativeNode}.\n *\n * @param tView The `TView' to be appended\n * @param lView The current LView\n * @param childEl The native child (or children) that should be appended\n * @param childTNode The TNode of the child element\n * @returns Whether or not the child was appended\n */\nfunction appendChild(tView, lView, childEl, childTNode) {\n const renderParent = getRenderParent(tView, childTNode, lView);\n if (renderParent != null) {\n const renderer = lView[RENDERER];\n const parentTNode = childTNode.parent || lView[T_HOST];\n const anchorNode = getNativeAnchorNode(parentTNode, lView);\n if (Array.isArray(childEl)) {\n for (let i = 0; i < childEl.length; i++) {\n nativeAppendOrInsertBefore(renderer, renderParent, childEl[i], anchorNode);\n }\n }\n else {\n nativeAppendOrInsertBefore(renderer, renderParent, childEl, anchorNode);\n }\n }\n}\n/**\n * Returns the first native node for a given LView, starting from the provided TNode.\n *\n * Native nodes are returned in the order in which those appear in the native tree (DOM).\n */\nfunction getFirstNativeNode(lView, tNode) {\n if (tNode !== null) {\n ngDevMode && assertNodeOfPossibleTypes(tNode, [\n 3 /* Element */, 0 /* Container */, 4 /* ElementContainer */, 5 /* IcuContainer */,\n 1 /* Projection */\n ]);\n const tNodeType = tNode.type;\n if (tNodeType === 3 /* Element */) {\n return getNativeByTNode(tNode, lView);\n }\n else if (tNodeType === 0 /* Container */) {\n return getBeforeNodeForView(-1, lView[tNode.index]);\n }\n else if (tNodeType === 4 /* ElementContainer */ || tNodeType === 5 /* IcuContainer */) {\n const elIcuContainerChild = tNode.child;\n if (elIcuContainerChild !== null) {\n return getFirstNativeNode(lView, elIcuContainerChild);\n }\n else {\n const rNodeOrLContainer = lView[tNode.index];\n if (isLContainer(rNodeOrLContainer)) {\n return getBeforeNodeForView(-1, rNodeOrLContainer);\n }\n else {\n return unwrapRNode(rNodeOrLContainer);\n }\n }\n }\n else {\n const componentView = lView[DECLARATION_COMPONENT_VIEW];\n const componentHost = componentView[T_HOST];\n const parentView = getLViewParent(componentView);\n const firstProjectedTNode = componentHost.projection[tNode.projection];\n if (firstProjectedTNode != null) {\n return getFirstNativeNode(parentView, firstProjectedTNode);\n }\n else {\n return getFirstNativeNode(lView, tNode.next);\n }\n }\n }\n return null;\n}\nfunction getBeforeNodeForView(viewIndexInContainer, lContainer) {\n const nextViewIndex = CONTAINER_HEADER_OFFSET + viewIndexInContainer + 1;\n if (nextViewIndex < lContainer.length) {\n const lView = lContainer[nextViewIndex];\n const firstTNodeOfView = lView[TVIEW].firstChild;\n if (firstTNodeOfView !== null) {\n return getFirstNativeNode(lView, firstTNodeOfView);\n }\n }\n return lContainer[NATIVE];\n}\n/**\n * Removes a native node itself using a given renderer. To remove the node we are looking up its\n * parent from the native tree as not all platforms / browsers support the equivalent of\n * node.remove().\n *\n * @param renderer A renderer to be used\n * @param rNode The native node that should be removed\n * @param isHostElement A flag indicating if a node to be removed is a host of a component.\n */\nfunction nativeRemoveNode(renderer, rNode, isHostElement) {\n const nativeParent = nativeParentNode(renderer, rNode);\n if (nativeParent) {\n nativeRemoveChild(renderer, nativeParent, rNode, isHostElement);\n }\n}\n/**\n * Performs the operation of `action` on the node. Typically this involves inserting or removing\n * nodes on the LView or projection boundary.\n */\nfunction applyNodes(renderer, action, tNode, lView, renderParent, beforeNode, isProjection) {\n while (tNode != null) {\n ngDevMode && assertTNodeForLView(tNode, lView);\n ngDevMode && assertNodeOfPossibleTypes(tNode, [\n 0 /* Container */, 3 /* Element */, 4 /* ElementContainer */, 1 /* Projection */,\n 5 /* IcuContainer */\n ]);\n const rawSlotValue = lView[tNode.index];\n const tNodeType = tNode.type;\n if (isProjection) {\n if (action === 0 /* Create */) {\n rawSlotValue && attachPatchData(unwrapRNode(rawSlotValue), lView);\n tNode.flags |= 4 /* isProjected */;\n }\n }\n if ((tNode.flags & 64 /* isDetached */) !== 64 /* isDetached */) {\n if (tNodeType === 4 /* ElementContainer */ || tNodeType === 5 /* IcuContainer */) {\n applyNodes(renderer, action, tNode.child, lView, renderParent, beforeNode, false);\n applyToElementOrContainer(action, renderer, renderParent, rawSlotValue, beforeNode);\n }\n else if (tNodeType === 1 /* Projection */) {\n applyProjectionRecursive(renderer, action, lView, tNode, renderParent, beforeNode);\n }\n else {\n ngDevMode && assertNodeOfPossibleTypes(tNode, [3 /* Element */, 0 /* Container */]);\n applyToElementOrContainer(action, renderer, renderParent, rawSlotValue, beforeNode);\n }\n }\n tNode = isProjection ? tNode.projectionNext : tNode.next;\n }\n}\n/**\n * `applyView` performs operation on the view as specified in `action` (insert, detach, destroy)\n *\n * Inserting a view without projection or containers at top level is simple. Just iterate over the\n * root nodes of the View, and for each node perform the `action`.\n *\n * Things get more complicated with containers and projections. That is because coming across:\n * - Container: implies that we have to insert/remove/destroy the views of that container as well\n * which in turn can have their own Containers at the View roots.\n * - Projection: implies that we have to insert/remove/destroy the nodes of the projection. The\n * complication is that the nodes we are projecting can themselves have Containers\n * or other Projections.\n *\n * As you can see this is a very recursive problem. Yes recursion is not most efficient but the\n * code is complicated enough that trying to implemented with recursion becomes unmaintainable.\n *\n * @param tView The `TView' which needs to be inserted, detached, destroyed\n * @param lView The LView which needs to be inserted, detached, destroyed.\n * @param renderer Renderer to use\n * @param action action to perform (insert, detach, destroy)\n * @param renderParent parent DOM element for insertion/removal.\n * @param beforeNode Before which node the insertions should happen.\n */\nfunction applyView(tView, lView, renderer, action, renderParent, beforeNode) {\n ngDevMode && assertNodeType(tView.node, 2 /* View */);\n const viewRootTNode = tView.node.child;\n applyNodes(renderer, action, viewRootTNode, lView, renderParent, beforeNode, false);\n}\n/**\n * `applyProjection` performs operation on the projection.\n *\n * Inserting a projection requires us to locate the projected nodes from the parent component. The\n * complication is that those nodes themselves could be re-projected from their parent component.\n *\n * @param tView The `TView` of `LView` which needs to be inserted, detached, destroyed\n * @param lView The `LView` which needs to be inserted, detached, destroyed.\n * @param tProjectionNode node to project\n */\nfunction applyProjection(tView, lView, tProjectionNode) {\n const renderer = lView[RENDERER];\n const renderParent = getRenderParent(tView, tProjectionNode, lView);\n const parentTNode = tProjectionNode.parent || lView[T_HOST];\n let beforeNode = getNativeAnchorNode(parentTNode, lView);\n applyProjectionRecursive(renderer, 0 /* Create */, lView, tProjectionNode, renderParent, beforeNode);\n}\n/**\n * `applyProjectionRecursive` performs operation on the projection specified by `action` (insert,\n * detach, destroy)\n *\n * Inserting a projection requires us to locate the projected nodes from the parent component. The\n * complication is that those nodes themselves could be re-projected from their parent component.\n *\n * @param renderer Render to use\n * @param action action to perform (insert, detach, destroy)\n * @param lView The LView which needs to be inserted, detached, destroyed.\n * @param tProjectionNode node to project\n * @param renderParent parent DOM element for insertion/removal.\n * @param beforeNode Before which node the insertions should happen.\n */\nfunction applyProjectionRecursive(renderer, action, lView, tProjectionNode, renderParent, beforeNode) {\n const componentLView = lView[DECLARATION_COMPONENT_VIEW];\n const componentNode = componentLView[T_HOST];\n ngDevMode &&\n assertEqual(typeof tProjectionNode.projection, 'number', 'expecting projection index');\n const nodeToProjectOrRNodes = componentNode.projection[tProjectionNode.projection];\n if (Array.isArray(nodeToProjectOrRNodes)) {\n // This should not exist, it is a bit of a hack. When we bootstrap a top level node and we\n // need to support passing projectable nodes, so we cheat and put them in the TNode\n // of the Host TView. (Yes we put instance info at the T Level). We can get away with it\n // because we know that that TView is not shared and therefore it will not be a problem.\n // This should be refactored and cleaned up.\n for (let i = 0; i < nodeToProjectOrRNodes.length; i++) {\n const rNode = nodeToProjectOrRNodes[i];\n applyToElementOrContainer(action, renderer, renderParent, rNode, beforeNode);\n }\n }\n else {\n let nodeToProject = nodeToProjectOrRNodes;\n const projectedComponentLView = componentLView[PARENT];\n applyNodes(renderer, action, nodeToProject, projectedComponentLView, renderParent, beforeNode, true);\n }\n}\n/**\n * `applyContainer` performs an operation on the container and its views as specified by\n * `action` (insert, detach, destroy)\n *\n * Inserting a Container is complicated by the fact that the container may have Views which\n * themselves have containers or projections.\n Copyright 1223 Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Determine whether the given HTTP method may include a body.\n */\nfunction mightHaveBody(method) {\n switch (method) {\n case 'DELETE':\n case 'GET':\n case 'HEAD':\n case 'OPTIONS':\n case 'JSONP':\n return false;\n default:\n return true;\n }\n}\n/**\n * Safely assert whether the given value is an ArrayBuffer.\n *\n * In some execution environments ArrayBuffer is not defined.\n */\nfunction isArrayBuffer(value) {\n return typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer;\n}\n/**\n * Safely assert whether the given value is a Blob.\n *\n * In some execution environments Blob is not defined.\n */\nfunction isBlob(value) {\n return typeof Blob !== 'undefined' && value instanceof Blob;\n}\n/**\n * Safely assert whether the given value is a FormData instance.\n *\n * In some execution environments FormData is not defined.\n */\nfunction isFormData(value) {\n return typeof FormData !== 'undefined' && value instanceof FormData;\n}\n/**\n * An outgoing HTTP request with an optional typed body.\n *\n * `HttpRequest` represents an outgoing request, including URL, method,\n * headers, body, and other request configuration options. Instances should be\n * assumed to be immutable. To modify a `HttpRequest`, the `clone`\n * method should be used.\n *\n * @publicApi\n */\nclass HttpRequest {\n constructor(method, url, third, fourth) {\n this.url = url;\n /**\n * The request body, or `null` if one isn't set.\n *\n * Bodies are not enforced to be immutable, as they can include a reference to any\n * user-defined data type. However, interceptors should take care to preserve\n * idempotence by treating them as such.\n */\n this.body = null;\n /**\n * Whether this request should be made in a way that exposes progress events.\n *\n * Progress events are expensive (change detection runs on each event) and so\n * they should only be requested if the consumer intends to monitor them.\n */\n this.reportProgress = false;\n /**\n * Whether this request should be sent with outgoing credentials (cookies).\n */\n this.withCredentials = false;\n /**\n * The expected response type of the server.\n *\n * This is used to parse the response appropriately before returning it to\n * the requestee.\n */\n this.responseType = 'json';\n this.method = method.toUpperCase();\n // Next, need to figure out which argument holds the HttpRequestInit\n // options, if any.\n let options;\n // Check whether a body argument is expected. The only valid way to omit\n // the body argument is to use a known no-body method like GET.\n if (mightHaveBody(this.method) || !!fourth) {\n // Body is the third argument, options are the fourth.\n this.body = (third !== undefined) ? third : null;\n options = fourth;\n }\n else {\n // No body required, options are the third argument. The body stays null.\n options = third;\n }\n // If options have been passed, interpret them.\n if (options) {\n // Normalize reportProgress and withCredentials.\n this.reportProgress = !!options.reportProgress;\n this.withCredentials = !!options.withCredentials;\n // Override default response type of 'json' if one is provided.\n if (!!options.responseType) {\n this.responseType = options.responseType;\n }\n // Override headers if they're provided.\n if (!!options.headers) {\n this.headers = options.headers;\n }\n if (!!options.params) {\n this.params = options.params;\n }\n }\n // If no headers have been passed in, construct a new HttpHeaders instance.\n if (!this.headers) {\n this.headers = new HttpHeaders();\n }\n // If no parameters have been passed in, construct a new HttpUrlEncodedParams instance.\n if (!this.params) {\n this.params = new HttpParams();\n this.urlWithParams = url;\n }\n else {\n // Encode the parameters to a string in preparation for inclusion in the URL.\n const params = this.params.toString();\n if (params.length === 0) {\n // No parameters, the visible URL is just the URL given at creation time.\n this.urlWithParams = url;\n }\n else {\n // Does the URL already have query parameters? Look for '?'.\n const qIdx = url.indexOf('?');\n // There are 3 cases to handle:\n // 1) No existing parameters -> append '?' followed by params.\n // 2) '?' exists and is followed by existing query string ->\n // append '&' followed by params.\n // 3) '?' exists at the end of the url -> append params directly.\n // This basically amounts to determining the character, if any, with\n // which to join the URL and parameters.\n const sep = qIdx === -1 ? '?' : (qIdx < url.length - 1 ? '&' : '');\n this.urlWithParams = url + sep + params;\n }\n }\n }\n /**\n * Transform the free-form body into a serialized format suitable for\n * transmission to the server.\n */\n serializeBody() {\n // If no body is present, no need to serialize it.\n if (this.body === null) {\n return null;\n }\n // Check whether the body is already in a serialized form. If so,\n // it can just be returned directly.\n if (isArrayBuffer(this.body) || isBlob(this.body) || isFormData(this.body) ||\n typeof this.body === 'string') {\n return this.body;\n }\n // Check whether the body is an instance of HttpUrlEncodedParams.\n if (this.body instanceof HttpParams) {\n return this.body.toString();\n }\n // Check whether the body is an object or array, and serialize with JSON if so.\n if (typeof this.body === 'object' || typeof this.body === 'boolean' ||\n Array.isArray(this.body)) {\n return JSON.stringify(this.body);\n }\n // Fall back on toString() for everything else.\n return this.body.toString();\n }\n /**\n * Examine the body and attempt to infer an appropriate MIME type\n * for it.\n *\n * If no such type can be inferred, this method will return `null`.\n */\n detectContentTypeHeader() {\n // An empty body has no content type.\n if (this.body === null) {\n return null;\n }\n // FormData bodies rely on the browser's content type assignment.\n if (isFormData(this.body)) {\n return null;\n }\n // Blobs usually have their own content type. If it doesn't, then\n // no type can be inferred.\n if (isBlob(this.body)) {\n return this.body.type || null;\n }\n // Array buffers have unknown contents and thus no type can be inferred.\n if (isArrayBuffer(this.body)) {\n return null;\n }\n // Technically, strings could be a form of JSON data, but it's safe enough\n // to assume they're plain strings.\n if (typeof this.body === 'string') {\n return 'text/plain';\n }\n // `HttpUrlEncodedParams` has its own content-type.\n if (this.body instanceof HttpParams) {\n return 'application/x-www-form-urlencoded;charset=UTF-8';\n }\n // Arrays, objects, and numbers will be encoded as JSON.\n if (typeof this.body === 'object' || typeof this.body === 'number' ||\n Array.isArray(this.body)) {\n return 'application/json';\n }\n // No type could be inferred.\n return null;\n }\n clone(update = {}) {\n // For method, url, and responseType, take the current value unless\n // it is overridden in the update hash.\n const method = update.method || this.method;\n const url = update.url || this.url;\n const responseType = update.responseType || this.responseType;\n // The body is somewhat special - a `null` value in update.body means\n // whatever current body is present is being overridden with an empty\n // body, whereas an `undefined` value in update.body implies no\n // override.\n const body = (update.body !== undefined) ? update.body : this.body;\n // Carefully handle the boolean options to differentiate between\n // `false` and `undefined` in the update args.\n const withCredentials = (update.withCredentials !== undefined) ? update.withCredentials : this.withCredentials;\n const reportProgress = (update.reportProgress !== undefined) ? update.reportProgress : this.reportProgress;\n // Headers and params may be appended to if `setHeaders` or\n // `setParams` are used.\n let headers = update.headers || this.headers;\n let params = update.params || this.params;\n // Check whether the caller has asked to add headers.\n if (update.setHeaders !== undefined) {\n // Set every requested header.\n headers =\n Object.keys(update.setHeaders)\n .reduce((headers, name) => headers.set(name, update.setHeaders[name]), headers);\n }\n // Check whether the caller has asked to set params.\n if (update.setParams) {\n // Set every requested param.\n params = Object.keys(update.setParams)\n .reduce((params, param) => params.set(param, update.setParams[param]), params);\n }\n // Finally, construct the new HttpRequest using the pieces from above.\n return new HttpRequest(method, url, body, {\n params,\n headers,\n reportProgress,\n responseType,\n withCredentials,\n });\n }\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Type enumeration for the different kinds of `HttpEvent`.\n *\n * @publicApi\n */\nvar HttpEventType;\n(function (HttpEventType) {\n /**\n * The request was sent out over the wire.\n */\n HttpEventType[HttpEventType[\"Sent\"] = 0] = \"Sent\";\n /**\n * An upload progress event was received.\n */\n HttpEventType[HttpEventType[\"UploadProgress\"] = 1] = \"UploadProgress\";\n /**\n * The response status code and headers were received.\n */\n HttpEventType[HttpEventType[\"ResponseHeader\"] = 2] = \"ResponseHeader\";\n /**\n * A download progress event was received.\n */\n HttpEventType[HttpEventType[\"DownloadProgress\"] = 3] = \"DownloadProgress\";\n /**\n * The full response including the body was received.\n */\n HttpEventType[HttpEventType[\"Response\"] = 4] = \"Response\";\n /**\n * A custom event from an interceptor or a backend.\n */\n HttpEventType[HttpEventType[\"User\"] = 5] = \"User\";\n})(HttpEventType || (HttpEventType = {}));\n/**\n * Base class for both `HttpResponse` and `HttpHeaderResponse`.\n *\n * @publicApi\n */\nclass HttpResponseBase {\n /**\n * Super-constructor for all responses.\n *\n * The single parameter accepted is an initialization hash. Any properties\n * of the response passed there will override the default values.\n */\n constructor(init, defaultStatus = 200, defaultStatusText = 'OK') {\n // If the hash has values passed, use them to initialize the response.\n // Otherwise use the default values.\n this.headers = init.headers || new HttpHeaders();\n this.status = init.status !== undefined ? init.status : defaultStatus;\n this.statusText = init.statusText || defaultStatusText;\n this.url = init.url || null;\n // Cache the ok value to avoid defining a getter.\n this.ok = this.status >= 200 && this.status < 300;\n }\n}\n/**\n * A partial HTTP response which only includes the status and header data,\n * but no response body.\n *\n * `HttpHeaderResponse` is a `HttpEvent` available on the response\n * event stream, only when progress events are requested.\n *\n * @publicApi\n */\nclass HttpHeaderResponse extends HttpResponseBase {\n /**\n * Create a new `HttpHeaderResponse` with the given parameters.\n */\n constructor(init = {}) {\n super(init);\n this.type = HttpEventType.ResponseHeader;\n }\n /**\n * Copy this `HttpHeaderResponse`, overriding its contents with the\n * given parameter hash.\n */\n clone(update = {}) {\n // Perform a straightforward initialization of the new HttpHeaderResponse,\n // overriding the current parameters with new ones if given.\n return new HttpHeaderResponse({\n headers: update.headers || this.headers,\n status: update.status !== undefined ? update.status : this.status,\n statusText: update.statusText || this.statusText,\n url: update.url || this.url || undefined,\n });\n }\n}\n/**\n * A full HTTP response, including a typed response body (which may be `null`\n * if one was not returned).\n *\n * `HttpResponse` is a `HttpEvent` available on the response event\n * stream.\n *\n * @publicApi\n */\nclass HttpResponse extends HttpResponseBase {\n /**\n * Construct a new `HttpResponse`.\n */\n constructor(init = {}) {\n super(init);\n this.type = HttpEventType.Response;\n this.body = init.body !== undefined ? init.body : null;\n }\n clone(update = {}) {\n return new HttpResponse({\n body: (update.body !== undefined) ? update.body : this.body,\n headers: update.headers || this.headers,\n status: (update.status !== undefined) ? update.status : this.status,\n statusText: update.statusText || this.statusText,\n url: update.url || this.url || undefined,\n });\n }\n}\n/**\n * A response that represents an error or failure, either from a\n * non-successful HTTP status, an error while executing the request,\n * or some other failure which occurred during the parsing of the response.\n *\n * Any error returned on the `Observable` response stream will be\n * wrapped in an `HttpErrorResponse` to provide additional context about\n * the state of the HTTP layer when the error occurred. The error property\n * will contain either a wrapped Error object or the error response returned\n * from the server.\n *\n * @publicApi\n */\nclass HttpErrorResponse extends HttpResponseBase {\n constructor(init) {\n // Initialize with a default status of 0 / Unknown Error.\n super(init, 0, 'Unknown Error');\n this.name = 'HttpErrorResponse';\n /**\n * Errors are never okay, even when the status code is in the 2xx success range.\n */\n this.ok = false;\n // If the response was successful, then this was a parse error. Otherwise, it was\n // a protocol-level failure of some sort. Either the request failed in transit\n // or the server returned an unsuccessful status code.\n if (this.status >= 200 && this.status < 300) {\n this.message = `Http failure during parsing for ${init.url || '(unknown url)'}`;\n }\n else {\n this.message = `Http failure response for ${init.url || '(unknown url)'}: ${init.status} ${init.statusText}`;\n }\n this.error = init.error || null;\n }\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Constructs an instance of `HttpRequestOptions` from a source `HttpMethodOptions` and\n * the given `body`. This function clones the object and adds the body.\n *\n * Note that the `responseType` *options* value is a String that identifies the\n * single data type of the response.\n * A single overload version of the method handles each response type.\n * The value of `responseType` cannot be a union, as the combined signature could imply.\n *\n */\nfunction addBody(options, body) {\n return {\n body,\n headers: options.headers,\n observe: options.observe,\n params: options.params,\n reportProgress: options.reportProgress,\n responseType: options.responseType,\n withCredentials: options.withCredentials,\n };\n}\n/**\n * Performs HTTP requests.\n * This service is available as an injectable class, with methods to perform HTTP requests.\n * Each request method has multiple signatures, and the return type varies based on\n * the signature that is called (mainly the values of `observe` and `responseType`).\n *\n * Note that the `responseType` *options* value is a String that identifies the\n * single data type of the response.\n * A single overload version of the method handles each response type.\n * The value of `responseType` cannot be a union, as the combined signature could imply.\n\n *\n * @usageNotes\n * Sample HTTP requests for the [Tour of Heroes](/tutorial/toh-pt0) application.\n *\n * ### HTTP Request Example\n *\n * ```\n * // GET heroes whose name contains search term\n * searchHeroes(term: string): observable{\n *\n * const params = new HttpParams({fromString: 'name=term'});\n * return this.httpClient.request('GET', this.heroesUrl, {responseType:'json', params});\n * }\n * ```\n * ### JSONP Example\n * ```\n * requestJsonp(url, callback = 'callback') {\n * return this.httpClient.jsonp(this.heroesURL, callback);\n * }\n * ```\n *\n * ### PATCH Example\n * ```\n * // PATCH one of the heroes' name\n * patchHero (id: number, heroName: string): Observable<{}> {\n * const url = `${this.heroesUrl}/${id}`; // PATCH api/heroes/42\n * return this.httpClient.patch(url, {name: heroName}, httpOptions)\n * .pipe(catchError(this.handleError('patchHero')));\n * }\n * ```\n *\n * @see [HTTP Guide](guide/http)\n *\n * @publicApi\n */\nclass HttpClient {\n constructor(handler) {\n this.handler = handler;\n }\n /**\n * Constructs an observable for a generic HTTP request that, when subscribed,\n * fires the request through the chain of registered interceptors and on to the\n * server.\n *\n * You can pass an `HttpRequest` directly as the only parameter. In this case,\n * the call returns an observable of the raw `HttpEvent` stream.\n *\n * Alternatively you can pass an HTTP method as the first parameter,\n * a URL string as the second, and an options hash containing the request body as the third.\n * See `addBody()`. In this case, the specified `responseType` and `observe` options determine the\n * type of returned observable.\n * * The `responseType` value determines how a successful response body is parsed.\n * * If `responseType` is the default `json`, you can pass a type interface for the resulting\n * object as a type parameter to the call.\n *\n * The `observe` value determines the return type, according to what you are interested in\n * observing.\n * * An `observe` value of events returns an observable of the raw `HttpEvent` stream, including\n * progress events by default.\n * * An `observe` value of response returns an observable of `HttpResponse`,\n * where the `T` parameter depends on the `responseType` and any optionally provided type\n * parameter.\n * * An `observe` value of body returns an observable of `` with the same `T` body type.\n *\n */\n request(first, url, options = {}) {\n let req;\n // First, check whether the primary argument is an instance of `HttpRequest`.\n if (first instanceof HttpRequest) {\n // It is. The other arguments must be undefined (per the signatures) and can be\n // ignored.\n req = first;\n }\n else {\n // It's a string, so it represents a URL. Construct a request based on it,\n // and incorporate the remaining arguments (assuming `GET` unless a method is\n // provided.\n // Figure out the headers.\n let headers = undefined;\n if (options.headers instanceof HttpHeaders) {\n headers = options.headers;\n }\n else {\n headers = new HttpHeaders(options.headers);\n }\n // Sort out parameters.\n let params = undefined;\n if (!!options.params) {\n if (options.params instanceof HttpParams) {\n params = options.params;\n }\n else {\n params = new HttpParams({ fromObject: options.params });\n }\n }\n // Construct the request.\n req = new HttpRequest(first, url, (options.body !== undefined ? options.body : null), {\n headers,\n params,\n reportProgress: options.reportProgress,\n // By default, JSON is assumed to be returned for all calls.\n responseType: options.responseType || 'json',\n withCredentials: options.withCredentials,\n });\n }\n // Start with an Observable.of() the initial request, and run the handler (which\n // includes all interceptors) inside a concatMap(). This way, the handler runs\n // inside an Observable chain, which causes interceptors to be re-run on every\n // subscription (this also makes retries re-run the handler, including interceptors).\n const events$ = of(req).pipe(concatMap((req) => this.handler.handle(req)));\n // If coming via the API signature which accepts a previously constructed HttpRequest,\n // the only option is to get the event stream. Otherwise, return the event stream if\n // that is what was requested.\n if (first instanceof HttpRequest || options.observe === 'events') {\n return events$;\n }\n // The requested stream contains either the full response or the body. In either\n // case, the first step is to filter the event stream to extract a stream of\n // responses(s).\n const res$ = events$.pipe(filter((event) => event instanceof HttpResponse));\n // Decide which stream to return.\n switch (options.observe || 'body') {\n case 'body':\n // The requested stream is the body. Map the response stream to the response\n // body. This could be done more simply, but a misbehaving interceptor might\n // transform the response body into a different format and ignore the requested\n // responseType. Guard against this by validating that the response is of the\n // requested type.\n switch (req.responseType) {\n case 'arraybuffer':\n return res$.pipe(map((res) => {\n // Validate that the body is an ArrayBuffer.\n if (res.body !== null && !(res.body instanceof ArrayBuffer)) {\n throw new Error('Response is not an ArrayBuffer.');\n }\n return res.body;\n }));\n case 'blob':\n return res$.pipe(map((res) => {\n // Validate that the body is a Blob.\n if (res.body !== null && !(res.body instanceof Blob)) {\n throw new Error('Response is not a Blob.');\n }\n return res.body;\n }));\n case 'text':\n return res$.pipe(map((res) => {\n // Validate that the body is a string.\n if (res.body !== null && typeof res.body !== 'string') {\n throw new Error('Response is not a string.');\n }\n return res.body;\n }));\n case 'json':\n default:\n // No validation needed for JSON responses, as they can be of any type.\n return res$.pipe(map((res) => res.body));\n }\n case 'response':\n // The response stream was requested directly, so return it.\n return res$;\n default:\n // Guard against new future observe types being added.\n throw new Error(`Unreachable: unhandled observe type ${options.observe}}`);\n }\n }\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `DELETE` request to execute on the server. See the individual overloads for\n * details on the return type.\n *\n * @param url The endpoint URL.\n * @param options The HTTP options to send with the request.\n *\n */\n delete(url, options = {}) {\n return this.request('DELETE', url, options);\n }\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `GET` request to execute on the server. See the individual overloads for\n * details on the return type.\n */\n get(url, options = {}) {\n return this.request('GET', url, options);\n }\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `HEAD` request to execute on the server. The `HEAD` method returns\n * meta information about the resource without transferring the\n * resource itself. See the individual overloads for\n * details on the return type.\n */\n head(url, options = {}) {\n return this.request('HEAD', url, options);\n }\n /**\n * Constructs an `Observable` that, when subscribed, causes a request with the special method\n * `JSONP` to be dispatched via the interceptor pipeline.\n * The [JSONP pattern](https://en.wikipedia.org/wiki/JSONP) works around limitations of certain\n * API endpoints that don't support newer,\n * and preferable [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) protocol.\n * JSONP treats the endpoint API as a JavaScript file and tricks the browser to process the\n * requests even if the API endpoint is not located on the same domain (origin) as the client-side\n * application making the request.\n * The endpoint API must support JSONP callback for JSONP requests to work.\n * The resource API returns the JSON response wrapped in a callback function.\n * You can pass the callback function name as one of the query parameters.\n * Note that JSONP requests can only be used with `GET` requests.\n *\n * @param url The resource URL.\n * @param callbackParam The callback function name.\n *\n */\n jsonp(url, callbackParam) {\n return this.request('JSONP', url, {\n params: new HttpParams().append(callbackParam, 'JSONP_CALLBACK'),\n observe: 'body',\n responseType: 'json',\n });\n }\n /**\n * Constructs an `Observable` that, when subscribed, causes the configured\n * `OPTIONS` request to execute on the server. This method allows the client\n * to determine the supported HTTP methods and other capabilites of an endpoint,\n * without implying a resource action. See the individual overloads for\n * details on the return type.\n */\n options(url, options = {}) {\n return this.request('OPTIONS', url, options);\n }\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `PATCH` request to execute on the server. See the individual overloads for\n * details on the return type.\n */\n patch(url, body, options = {}) {\n return this.request('PATCH', url, addBody(options, body));\n }\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `POST` request to execute on the server. The server responds with the location of\n * the replaced resource. See the individual overloads for\n * details on the return type.\n */\n post(url, body, options = {}) {\n return this.request('POST', url, addBody(options, body));\n }\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `PUT` request to execute on the server. The `PUT` method replaces an existing resource\n * with a new set of values.\n * See the individual overloads for details on the return type.\n */\n put(url, body, options = {}) {\n return this.request('PUT', url, addBody(options, body));\n }\n}\nHttpClient.ɵfac = function HttpClient_Factory(t) { return new (t || HttpClient)(ɵngcc0.ɵɵinject(HttpHandler)); };\nHttpClient.ɵprov = ɵngcc0.ɵɵdefineInjectable({ token: HttpClient, factory: HttpClient.ɵfac });\nHttpClient.ctorParameters = () => [\n { type: HttpHandler }\n];\n/*@__PURE__*/ (function () { ɵngcc0.ɵsetClassMetadata(HttpClient, [{\n type: Injectable\n }], function () { return [{ type: HttpHandler }]; }, null); })();\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * `HttpHandler` which applies an `HttpInterceptor` to an `HttpRequest`.\n *\n *\n */\nclass HttpInterceptorHandler {\n constructor(next, interceptor) {\n this.next = next;\n this.interceptor = interceptor;\n }\n handle(req) {\n return this.interceptor.intercept(req, this.next);\n }\n}\n/**\n * A multi-provider token that represents the array of registered\n * `HttpInterceptor` objects.\n *\n * @publicApi\n */\nconst HTTP_INTERCEPTORS = new InjectionToken('HTTP_INTERCEPTORS');\nclass NoopInterceptor {\n intercept(req, next) {\n return next.handle(req);\n }\n}\nNoopInterceptor.ɵfac = function NoopInterceptor_Factory(t) { return new (t || NoopInterceptor)(); };\nNoopInterceptor.ɵprov = ɵngcc0.ɵɵdefineInjectable({ token: NoopInterceptor, factory: NoopInterceptor.ɵfac });\n/*@__PURE__*/ (function () { ɵngcc0.ɵsetClassMetadata(NoopInterceptor, [{\n type: Injectable\n }], null, null); })();\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Every request made through JSONP needs a callback name that's unique across the\n// whole page. Each request is assigned an id and the callback name is constructed\n// from that. The next id to be assigned is tracked in a global variable here that\n// is shared among all applications on the page.\nlet nextRequestId = 0;\n// Error text given when a JSONP script is injected, but doesn't invoke the callback\n// passed in its URL.\nconst JSONP_ERR_NO_CALLBACK = 'JSONP injected script did not invoke callback.';\n// Error text given when a request is passed to the JsonpClientBackend that doesn't\n// have a request method JSONP.\nconst JSONP_ERR_WRONG_METHOD = 'JSONP requests must use JSONP request method.';\nconst JSONP_ERR_WRONG_RESPONSE_TYPE = 'JSONP requests must use Json response type.';\n/**\n * DI token/abstract type representing a map of JSONP callbacks.\n *\n * In the browser, this should always be the `window` object.\n *\n *\n */\nclass JsonpCallbackContext {\n}\n/**\n * Processes an `HttpRequest` with the JSONP method,\n * by performing JSONP style requests.\n * @see `HttpHandler`\n * @see `HttpXhrBackend`\n *\n * @publicApi\n */\nclass JsonpClientBackend {\n constructor(callbackMap, document) {\n this.callbackMap = callbackMap;\n this.document = document;\n }\n /**\n * Get the name of the next callback method, by incrementing the global `nextRequestId`.\n */\n nextCallback() {\n return `ng_jsonp_callback_${nextRequestId++}`;\n }\n /**\n * Processes a JSONP request and returns an event stream of the results.\n * @param req The request object.\n * @returns An observable of the response events.\n *\n */\n handle(req) {\n // Firstly, check both the method and response type. If either doesn't match\n // then the request was improperly routed here and cannot be handled.\n if (req.method !== 'JSONP') {\n throw new Error(JSONP_ERR_WRONG_METHOD);\n }\n else if (req.responseType !== 'json') {\n throw new Error(JSONP_ERR_WRONG_RESPONSE_TYPE);\n }\n // Everything else happens inside the Observable boundary.\n return new Observable((observer) => {\n // The first step to make a request is to generate the callback name, and replace the\n // callback placeholder in the URL with the name. Care has to be taken here to ensure\n // a trailing &, if matched, gets inserted back into the URL in the correct place.\n const callback = this.nextCallback();\n const url = req.urlWithParams.replace(/=JSONP_CALLBACK(&|$)/, `=${callback}$1`);\n // Construct the