{"version":3,"file":"platform-browser.umd.js","sources":["../../../../../external/npm/node_modules/tslib/tslib.es6.js","../../../../../packages/platform-browser/src/browser/generic_browser_adapter.ts","../../../../../packages/platform-browser/src/browser/browser_adapter.ts","../../../../../packages/platform-browser/src/browser/server-transition.ts","../../../../../packages/platform-browser/src/browser/testability.ts","../../../../../packages/platform-browser/src/browser/xhr.ts","../../../../../packages/platform-browser/src/dom/util.ts","../../../../../packages/platform-browser/src/dom/debug/ng_probe.ts","../../../../../packages/platform-browser/src/dom/events/event_manager.ts","../../../../../packages/platform-browser/src/dom/shared_styles_host.ts","../../../../../packages/platform-browser/src/dom/dom_renderer.ts","../../../../../packages/platform-browser/src/dom/events/dom_events.ts","../../../../../packages/platform-browser/src/dom/events/hammer_gestures.ts","../../../../../packages/platform-browser/src/dom/events/key_events.ts","../../../../../packages/platform-browser/src/security/dom_sanitization_service.ts","../../../../../packages/platform-browser/src/browser.ts","../../../../../packages/platform-browser/src/browser/meta.ts","../../../../../packages/platform-browser/src/browser/title.ts","../../../../../packages/platform-browser/src/browser/tools/browser.ts","../../../../../packages/platform-browser/src/browser/tools/common_tools.ts","../../../../../packages/platform-browser/src/browser/tools/tools.ts","../../../../../packages/platform-browser/src/browser/transfer_state.ts","../../../../../packages/platform-browser/src/dom/debug/by.ts","../../../../../packages/platform-browser/src/private_export.ts","../../../../../packages/platform-browser/src/version.ts","../../../../../packages/platform-browser/src/platform-browser.ts","../../../../../packages/platform-browser/public_api.ts","../../../../../packages/platform-browser/index.ts","../../../../../packages/platform-browser/platform-browser.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? 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(this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\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\nimport {ɵDomAdapter as DomAdapter} from '@angular/common';\n\n\n\n/**\n * Provides DOM operations in any browser environment.\n *\n * @security Tread carefully! Interacting with the DOM directly is dangerous and\n * can introduce XSS risks.\n */\nexport abstract class GenericBrowserDomAdapter extends DomAdapter {\n readonly supportsDOMEvents: boolean = true;\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\nimport {ɵparseCookieValue as parseCookieValue, ɵsetRootDomAdapter as setRootDomAdapter} from '@angular/common';\n\nimport {GenericBrowserDomAdapter} from './generic_browser_adapter';\n\n/**\n * A `DomAdapter` powered by full browser DOM APIs.\n *\n * @security Tread carefully! Interacting with the DOM directly is dangerous and\n * can introduce XSS risks.\n */\n/* tslint:disable:requireParameterType no-console */\nexport class BrowserDomAdapter extends GenericBrowserDomAdapter {\n static makeCurrent() {\n setRootDomAdapter(new BrowserDomAdapter());\n }\n\n onAndCancel(el: Node, evt: any, listener: any): Function {\n el.addEventListener(evt, listener, false);\n // Needed to follow Dart's subscription semantic, until fix of\n // https://code.google.com/p/dart/issues/detail?id=17406\n return () => {\n el.removeEventListener(evt, listener, false);\n };\n }\n dispatchEvent(el: Node, evt: any) {\n el.dispatchEvent(evt);\n }\n remove(node: Node): void {\n if (node.parentNode) {\n node.parentNode.removeChild(node);\n }\n }\n createElement(tagName: string, doc?: Document): HTMLElement {\n doc = doc || this.getDefaultDocument();\n return doc.createElement(tagName);\n }\n createHtmlDocument(): HTMLDocument {\n return document.implementation.createHTMLDocument('fakeTitle');\n }\n getDefaultDocument(): Document {\n return document;\n }\n\n isElementNode(node: Node): boolean {\n return node.nodeType === Node.ELEMENT_NODE;\n }\n\n isShadowRoot(node: any): boolean {\n return node instanceof DocumentFragment;\n }\n\n /** @deprecated No longer being used in Ivy code. To be removed in version 14. */\n getGlobalEventTarget(doc: Document, target: string): EventTarget|null {\n if (target === 'window') {\n return window;\n }\n if (target === 'document') {\n return doc;\n }\n if (target === 'body') {\n return doc.body;\n }\n return null;\n }\n getBaseHref(doc: Document): string|null {\n const href = getBaseElementHref();\n return href == null ? null : relativePath(href);\n }\n resetBaseElement(): void {\n baseElement = null;\n }\n getUserAgent(): string {\n return window.navigator.userAgent;\n }\n getCookie(name: string): string|null {\n return parseCookieValue(document.cookie, name);\n }\n}\n\nlet baseElement: HTMLElement|null = null;\nfunction getBaseElementHref(): string|null {\n baseElement = baseElement || document.querySelector('base');\n return baseElement ? baseElement.getAttribute('href') : null;\n}\n\n// based on urlUtils.js in AngularJS 1\nlet urlParsingNode: HTMLAnchorElement|undefined;\nfunction relativePath(url: any): string {\n urlParsingNode = urlParsingNode || document.createElement('a');\n urlParsingNode.setAttribute('href', url);\n const pathName = urlParsingNode.pathname;\n return pathName.charAt(0) === '/' ? pathName : `/${pathName}`;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {DOCUMENT, ɵgetDOM as getDOM} from '@angular/common';\nimport {APP_INITIALIZER, ApplicationInitStatus, InjectionToken, Injector, StaticProvider} from '@angular/core';\n\n/**\n * An id that identifies a particular application being bootstrapped, that should\n * match across the client/server boundary.\n */\nexport const TRANSITION_ID = new InjectionToken('TRANSITION_ID');\n\nexport function appInitializerFactory(transitionId: string, document: any, injector: Injector) {\n return () => {\n // Wait for all application initializers to be completed before removing the styles set by\n // the server.\n injector.get(ApplicationInitStatus).donePromise.then(() => {\n const dom = getDOM();\n const styles: HTMLCollectionOf =\n document.querySelectorAll(`style[ng-transition=\"${transitionId}\"]`);\n for (let i = 0; i < styles.length; i++) {\n dom.remove(styles[i]);\n }\n });\n };\n}\n\nexport const SERVER_TRANSITION_PROVIDERS: StaticProvider[] = [\n {\n provide: APP_INITIALIZER,\n useFactory: appInitializerFactory,\n deps: [TRANSITION_ID, DOCUMENT, Injector],\n multi: true\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\nimport {ɵgetDOM as getDOM} from '@angular/common';\nimport {GetTestability, setTestabilityGetter, Testability, TestabilityRegistry, ɵglobal as global} from '@angular/core';\n\nexport class BrowserGetTestability implements GetTestability {\n static init() {\n setTestabilityGetter(new BrowserGetTestability());\n }\n\n addToWindow(registry: TestabilityRegistry): void {\n global['getAngularTestability'] = (elem: any, findInAncestors: boolean = true) => {\n const testability = registry.findTestabilityInTree(elem, findInAncestors);\n if (testability == null) {\n throw new Error('Could not find testability for element.');\n }\n return testability;\n };\n\n global['getAllAngularTestabilities'] = () => registry.getAllTestabilities();\n\n global['getAllAngularRootElements'] = () => registry.getAllRootElements();\n\n const whenAllStable = (callback: any /** TODO #9100 */) => {\n const testabilities = global['getAllAngularTestabilities']();\n let count = testabilities.length;\n let didWork = false;\n const decrement = function(didWork_: any /** TODO #9100 */) {\n didWork = didWork || didWork_;\n count--;\n if (count == 0) {\n callback(didWork);\n }\n };\n testabilities.forEach(function(testability: any /** TODO #9100 */) {\n testability.whenStable(decrement);\n });\n };\n\n if (!global['frameworkStabilizers']) {\n global['frameworkStabilizers'] = [];\n }\n global['frameworkStabilizers'].push(whenAllStable);\n }\n\n findTestabilityInTree(registry: TestabilityRegistry, elem: any, findInAncestors: boolean):\n Testability|null {\n if (elem == null) {\n return null;\n }\n const t = registry.getTestability(elem);\n if (t != null) {\n return t;\n } else if (!findInAncestors) {\n return null;\n }\n if (getDOM().isShadowRoot(elem)) {\n return this.findTestabilityInTree(registry, (elem).host, true);\n }\n return this.findTestabilityInTree(registry, elem.parentElement, true);\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\nimport {XhrFactory} from '@angular/common';\nimport {Injectable} from '@angular/core';\n\n/**\n * A factory for `HttpXhrBackend` that uses the `XMLHttpRequest` browser API.\n */\n@Injectable()\nexport class BrowserXhr implements XhrFactory {\n build(): XMLHttpRequest {\n return new XMLHttpRequest();\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\nimport {ɵglobal as global} from '@angular/core';\n\nconst CAMEL_CASE_REGEXP = /([A-Z])/g;\nconst DASH_CASE_REGEXP = /-([a-z])/g;\n\n\nexport function camelCaseToDashCase(input: string): string {\n return input.replace(CAMEL_CASE_REGEXP, (...m: string[]) => '-' + m[1].toLowerCase());\n}\n\nexport function dashCaseToCamelCase(input: string): string {\n return input.replace(DASH_CASE_REGEXP, (...m: string[]) => m[1].toUpperCase());\n}\n\n/**\n * Exports the value under a given `name` in the global property `ng`. For example `ng.probe` if\n * `name` is `'probe'`.\n * @param name Name under which it will be exported. Keep in mind this will be a property of the\n * global `ng` object.\n * @param value The value to export.\n */\nexport function exportNgVar(name: string, value: any): void {\n if (typeof COMPILED === 'undefined' || !COMPILED) {\n // Note: we can't export `ng` when using closure enhanced optimization as:\n // - closure declares globals itself for minified names, which sometimes clobber our `ng` global\n // - we can't declare a closure extern as the namespace `ng` is already used within Google\n // for typings for angularJS (via `goog.provide('ng....')`).\n const ng = global['ng'] = (global['ng'] as {[key: string]: any} | undefined) || {};\n ng[name] = value;\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\nimport {APP_INITIALIZER, ApplicationRef, DebugNode, NgProbeToken, NgZone, Optional, Provider, ɵgetDebugNodeR2} from '@angular/core';\n\nimport {exportNgVar} from '../util';\n\nconst CORE_TOKENS = (() => ({\n 'ApplicationRef': ApplicationRef,\n 'NgZone': NgZone,\n }))();\n\nconst INSPECT_GLOBAL_NAME = 'probe';\nconst CORE_TOKENS_GLOBAL_NAME = 'coreTokens';\n\n/**\n * Returns a {@link DebugElement} for the given native DOM element, or\n * null if the given native element does not have an Angular view associated\n * with it.\n */\nexport function inspectNativeElementR2(element: any): DebugNode|null {\n return ɵgetDebugNodeR2(element);\n}\n\nexport function _createNgProbeR2(coreTokens: NgProbeToken[]): any {\n exportNgVar(INSPECT_GLOBAL_NAME, inspectNativeElementR2);\n exportNgVar(CORE_TOKENS_GLOBAL_NAME, {...CORE_TOKENS, ..._ngProbeTokensToMap(coreTokens || [])});\n return () => inspectNativeElementR2;\n}\n\nfunction _ngProbeTokensToMap(tokens: NgProbeToken[]): {[name: string]: any} {\n return tokens.reduce((prev: any, t: any) => (prev[t.name] = t.token, prev), {});\n}\n\n/**\n * In Ivy, we don't support NgProbe because we have our own set of testing utilities\n * with more robust functionality.\n *\n * We shouldn't bring in NgProbe because it prevents DebugNode and friends from\n * tree-shaking properly.\n */\nexport const ELEMENT_PROBE_PROVIDERS__POST_R3__ = [];\n\n/**\n * Providers which support debugging Angular applications (e.g. via `ng.probe`).\n */\nexport const ELEMENT_PROBE_PROVIDERS__PRE_R3__: Provider[] = [\n {\n provide: APP_INITIALIZER,\n useFactory: _createNgProbeR2,\n deps: [\n [NgProbeToken, new Optional()],\n ],\n multi: true,\n },\n];\n\nexport const ELEMENT_PROBE_PROVIDERS = ELEMENT_PROBE_PROVIDERS__PRE_R3__;\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\nimport {ɵgetDOM as getDOM} from '@angular/common';\nimport {Inject, Injectable, InjectionToken, NgZone} from '@angular/core';\n\n/**\n * The injection token for the event-manager plug-in service.\n *\n * @publicApi\n */\nexport const EVENT_MANAGER_PLUGINS =\n new InjectionToken('EventManagerPlugins');\n\n/**\n * An injectable service that provides event management for Angular\n * through a browser plug-in.\n *\n * @publicApi\n */\n@Injectable()\nexport class EventManager {\n private _plugins: EventManagerPlugin[];\n private _eventNameToPlugin = new Map();\n\n /**\n * Initializes an instance of the event-manager service.\n */\n constructor(@Inject(EVENT_MANAGER_PLUGINS) plugins: EventManagerPlugin[], private _zone: NgZone) {\n plugins.forEach(p => p.manager = this);\n this._plugins = plugins.slice().reverse();\n }\n\n /**\n * Registers a handler for a specific element and event.\n *\n * @param element The HTML element to receive event notifications.\n * @param eventName The name of the event to listen for.\n * @param handler A function to call when the notification occurs. Receives the\n * event object as an argument.\n * @returns A callback function that can be used to remove the handler.\n */\n addEventListener(element: HTMLElement, eventName: string, handler: Function): Function {\n const plugin = this._findPluginFor(eventName);\n return plugin.addEventListener(element, eventName, handler);\n }\n\n /**\n * Registers a global handler for an event in a target view.\n *\n * @param target A target for global event notifications. One of \"window\", \"document\", or \"body\".\n * @param eventName The name of the event to listen for.\n * @param handler A function to call when the notification occurs. Receives the\n * event object as an argument.\n * @returns A callback function that can be used to remove the handler.\n * @deprecated No longer being used in Ivy code. To be removed in version 14.\n */\n addGlobalEventListener(target: string, eventName: string, handler: Function): Function {\n const plugin = this._findPluginFor(eventName);\n return plugin.addGlobalEventListener(target, eventName, handler);\n }\n\n /**\n * Retrieves the compilation zone in which event listeners are registered.\n */\n getZone(): NgZone {\n return this._zone;\n }\n\n /** @internal */\n _findPluginFor(eventName: string): EventManagerPlugin {\n const plugin = this._eventNameToPlugin.get(eventName);\n if (plugin) {\n return plugin;\n }\n\n const plugins = this._plugins;\n for (let i = 0; i < plugins.length; i++) {\n const plugin = plugins[i];\n if (plugin.supports(eventName)) {\n this._eventNameToPlugin.set(eventName, plugin);\n return plugin;\n }\n }\n throw new Error(`No event manager plugin found for event ${eventName}`);\n }\n}\n\nexport abstract class EventManagerPlugin {\n constructor(private _doc: any) {}\n\n // TODO(issue/24571): remove '!'.\n manager!: EventManager;\n\n abstract supports(eventName: string): boolean;\n\n abstract addEventListener(element: HTMLElement, eventName: string, handler: Function): Function;\n\n addGlobalEventListener(element: string, eventName: string, handler: Function): Function {\n const target: HTMLElement = getDOM().getGlobalEventTarget(this._doc, element);\n if (!target) {\n throw new Error(`Unsupported event target ${target} for event ${eventName}`);\n }\n return this.addEventListener(target, eventName, handler);\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\nimport {DOCUMENT, ɵgetDOM as getDOM} from '@angular/common';\nimport {Inject, Injectable, OnDestroy} from '@angular/core';\n\n@Injectable()\nexport class SharedStylesHost {\n /** @internal */\n protected _stylesSet = new Set();\n\n addStyles(styles: string[]): void {\n const additions = new Set();\n styles.forEach(style => {\n if (!this._stylesSet.has(style)) {\n this._stylesSet.add(style);\n additions.add(style);\n }\n });\n this.onStylesAdded(additions);\n }\n\n onStylesAdded(additions: Set): void {}\n\n getAllStyles(): string[] {\n return Array.from(this._stylesSet);\n }\n}\n\n@Injectable()\nexport class DomSharedStylesHost extends SharedStylesHost implements OnDestroy {\n // Maps all registered host nodes to a list of style nodes that have been added to the host node.\n private _hostNodes = new Map();\n\n constructor(@Inject(DOCUMENT) private _doc: any) {\n super();\n this._hostNodes.set(_doc.head, []);\n }\n\n private _addStylesToHost(styles: Set, host: Node, styleNodes: Node[]): void {\n styles.forEach((style: string) => {\n const styleEl = this._doc.createElement('style');\n styleEl.textContent = style;\n styleNodes.push(host.appendChild(styleEl));\n });\n }\n\n addHost(hostNode: Node): void {\n const styleNodes: Node[] = [];\n this._addStylesToHost(this._stylesSet, hostNode, styleNodes);\n this._hostNodes.set(hostNode, styleNodes);\n }\n\n removeHost(hostNode: Node): void {\n const styleNodes = this._hostNodes.get(hostNode);\n if (styleNodes) {\n styleNodes.forEach(removeStyle);\n }\n this._hostNodes.delete(hostNode);\n }\n\n override onStylesAdded(additions: Set): void {\n this._hostNodes.forEach((styleNodes, hostNode) => {\n this._addStylesToHost(additions, hostNode, styleNodes);\n });\n }\n\n ngOnDestroy(): void {\n this._hostNodes.forEach(styleNodes => styleNodes.forEach(removeStyle));\n }\n}\n\nfunction removeStyle(styleNode: Node): void {\n getDOM().remove(styleNode);\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\nimport {APP_ID, Inject, Injectable, Renderer2, RendererFactory2, RendererStyleFlags2, RendererType2, ViewEncapsulation} from '@angular/core';\n\nimport {EventManager} from './events/event_manager';\nimport {DomSharedStylesHost} from './shared_styles_host';\n\nexport const NAMESPACE_URIS: {[ns: string]: string} = {\n 'svg': 'http://www.w3.org/2000/svg',\n 'xhtml': 'http://www.w3.org/1999/xhtml',\n 'xlink': 'http://www.w3.org/1999/xlink',\n 'xml': 'http://www.w3.org/XML/1998/namespace',\n 'xmlns': 'http://www.w3.org/2000/xmlns/',\n};\n\nconst COMPONENT_REGEX = /%COMP%/g;\nconst NG_DEV_MODE = typeof ngDevMode === 'undefined' || !!ngDevMode;\n\nexport const COMPONENT_VARIABLE = '%COMP%';\nexport const HOST_ATTR = `_nghost-${COMPONENT_VARIABLE}`;\nexport const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;\n\nexport function shimContentAttribute(componentShortId: string): string {\n return CONTENT_ATTR.replace(COMPONENT_REGEX, componentShortId);\n}\n\nexport function shimHostAttribute(componentShortId: string): string {\n return HOST_ATTR.replace(COMPONENT_REGEX, componentShortId);\n}\n\nexport function flattenStyles(\n compId: string, styles: Array, target: string[]): string[] {\n for (let i = 0; i < styles.length; i++) {\n let style = styles[i];\n\n if (Array.isArray(style)) {\n flattenStyles(compId, style, target);\n } else {\n style = style.replace(COMPONENT_REGEX, compId);\n target.push(style);\n }\n }\n return target;\n}\n\nfunction decoratePreventDefault(eventHandler: Function): Function {\n // `DebugNode.triggerEventHandler` needs to know if the listener was created with\n // decoratePreventDefault or is a listener added outside the Angular context so it can handle the\n // two differently. In the first case, the special '__ngUnwrap__' token is passed to the unwrap\n // the listener (see below).\n return (event: any) => {\n // Ivy uses '__ngUnwrap__' as a special token that allows us to unwrap the function\n // so that it can be invoked programmatically by `DebugNode.triggerEventHandler`. The debug_node\n // can inspect the listener toString contents for the existence of this special token. Because\n // the token is a string literal, it is ensured to not be modified by compiled code.\n if (event === '__ngUnwrap__') {\n return eventHandler;\n }\n\n const allowDefaultBehavior = eventHandler(event);\n if (allowDefaultBehavior === false) {\n // TODO(tbosch): move preventDefault into event plugins...\n event.preventDefault();\n event.returnValue = false;\n }\n\n return undefined;\n };\n}\n\nlet hasLoggedNativeEncapsulationWarning = false;\n\n@Injectable()\nexport class DomRendererFactory2 implements RendererFactory2 {\n private rendererByCompId = new Map();\n private defaultRenderer: Renderer2;\n\n constructor(\n private eventManager: EventManager, private sharedStylesHost: DomSharedStylesHost,\n @Inject(APP_ID) private appId: string) {\n this.defaultRenderer = new DefaultDomRenderer2(eventManager);\n }\n\n createRenderer(element: any, type: RendererType2|null): Renderer2 {\n if (!element || !type) {\n return this.defaultRenderer;\n }\n switch (type.encapsulation) {\n case ViewEncapsulation.Emulated: {\n let renderer = this.rendererByCompId.get(type.id);\n if (!renderer) {\n renderer = new EmulatedEncapsulationDomRenderer2(\n this.eventManager, this.sharedStylesHost, type, this.appId);\n this.rendererByCompId.set(type.id, renderer);\n }\n (renderer).applyToHost(element);\n return renderer;\n }\n // @ts-ignore TODO: Remove as part of FW-2290. TS complains about us dealing with an enum\n // value that is not known (but previously was the value for ViewEncapsulation.Native)\n case 1:\n case ViewEncapsulation.ShadowDom:\n // TODO(FW-2290): remove the `case 1:` fallback logic and the warning in v12.\n if ((typeof ngDevMode === 'undefined' || ngDevMode) &&\n // @ts-ignore TODO: Remove as part of FW-2290. TS complains about us dealing with an\n // enum value that is not known (but previously was the value for\n // ViewEncapsulation.Native)\n !hasLoggedNativeEncapsulationWarning && type.encapsulation === 1) {\n hasLoggedNativeEncapsulationWarning = true;\n console.warn(\n 'ViewEncapsulation.Native is no longer supported. Falling back to ViewEncapsulation.ShadowDom. The fallback will be removed in v12.');\n }\n\n return new ShadowDomRenderer(this.eventManager, this.sharedStylesHost, element, type);\n default: {\n if (!this.rendererByCompId.has(type.id)) {\n const styles = flattenStyles(type.id, type.styles, []);\n this.sharedStylesHost.addStyles(styles);\n this.rendererByCompId.set(type.id, this.defaultRenderer);\n }\n return this.defaultRenderer;\n }\n }\n }\n\n begin() {}\n end() {}\n}\n\nclass DefaultDomRenderer2 implements Renderer2 {\n data: {[key: string]: any} = Object.create(null);\n\n constructor(private eventManager: EventManager) {}\n\n destroy(): void {}\n\n destroyNode: null;\n\n createElement(name: string, namespace?: string): any {\n if (namespace) {\n // In cases where Ivy (not ViewEngine) is giving us the actual namespace, the look up by key\n // will result in undefined, so we just return the namespace here.\n return document.createElementNS(NAMESPACE_URIS[namespace] || namespace, name);\n }\n\n return document.createElement(name);\n }\n\n createComment(value: string): any {\n return document.createComment(value);\n }\n\n createText(value: string): any {\n return document.createTextNode(value);\n }\n\n appendChild(parent: any, newChild: any): void {\n parent.appendChild(newChild);\n }\n\n insertBefore(parent: any, newChild: any, refChild: any): void {\n if (parent) {\n parent.insertBefore(newChild, refChild);\n }\n }\n\n removeChild(parent: any, oldChild: any): void {\n if (parent) {\n parent.removeChild(oldChild);\n }\n }\n\n selectRootElement(selectorOrNode: string|any, preserveContent?: boolean): any {\n let el: any = typeof selectorOrNode === 'string' ? document.querySelector(selectorOrNode) :\n selectorOrNode;\n if (!el) {\n throw new Error(`The selector \"${selectorOrNode}\" did not match any elements`);\n }\n if (!preserveContent) {\n el.textContent = '';\n }\n return el;\n }\n\n parentNode(node: any): any {\n return node.parentNode;\n }\n\n nextSibling(node: any): any {\n return node.nextSibling;\n }\n\n setAttribute(el: any, name: string, value: string, namespace?: string): void {\n if (namespace) {\n name = namespace + ':' + name;\n // TODO(FW-811): Ivy may cause issues here because it's passing around\n // full URIs for namespaces, therefore this lookup will fail.\n const namespaceUri = NAMESPACE_URIS[namespace];\n if (namespaceUri) {\n el.setAttributeNS(namespaceUri, name, value);\n } else {\n el.setAttribute(name, value);\n }\n } else {\n el.setAttribute(name, value);\n }\n }\n\n removeAttribute(el: any, name: string, namespace?: string): void {\n if (namespace) {\n // TODO(FW-811): Ivy may cause issues here because it's passing around\n // full URIs for namespaces, therefore this lookup will fail.\n const namespaceUri = NAMESPACE_URIS[namespace];\n if (namespaceUri) {\n el.removeAttributeNS(namespaceUri, name);\n } else {\n // TODO(FW-811): Since ivy is passing around full URIs for namespaces\n // this could result in properties like `http://www.w3.org/2000/svg:cx=\"123\"`,\n // which is wrong.\n el.removeAttribute(`${namespace}:${name}`);\n }\n } else {\n el.removeAttribute(name);\n }\n }\n\n addClass(el: any, name: string): void {\n el.classList.add(name);\n }\n\n removeClass(el: any, name: string): void {\n el.classList.remove(name);\n }\n\n setStyle(el: any, style: string, value: any, flags: RendererStyleFlags2): void {\n if (flags & (RendererStyleFlags2.DashCase | RendererStyleFlags2.Important)) {\n el.style.setProperty(style, value, flags & RendererStyleFlags2.Important ? 'important' : '');\n } else {\n el.style[style] = value;\n }\n }\n\n removeStyle(el: any, style: string, flags: RendererStyleFlags2): void {\n if (flags & RendererStyleFlags2.DashCase) {\n el.style.removeProperty(style);\n } else {\n // IE requires '' instead of null\n // see https://github.com/angular/angular/issues/7916\n el.style[style] = '';\n }\n }\n\n setProperty(el: any, name: string, value: any): void {\n NG_DEV_MODE && checkNoSyntheticProp(name, 'property');\n el[name] = value;\n }\n\n setValue(node: any, value: string): void {\n node.nodeValue = value;\n }\n\n listen(target: 'window'|'document'|'body'|any, event: string, callback: (event: any) => boolean):\n () => void {\n NG_DEV_MODE && checkNoSyntheticProp(event, 'listener');\n if (typeof target === 'string') {\n return <() => void>this.eventManager.addGlobalEventListener(\n target, event, decoratePreventDefault(callback));\n }\n return <() => void>this.eventManager.addEventListener(\n target, event, decoratePreventDefault(callback)) as () => void;\n }\n}\n\nconst AT_CHARCODE = (() => '@'.charCodeAt(0))();\nfunction checkNoSyntheticProp(name: string, nameKind: string) {\n if (name.charCodeAt(0) === AT_CHARCODE) {\n throw new Error(`Unexpected synthetic ${nameKind} ${name} found. Please make sure that:\n - Either \\`BrowserAnimationsModule\\` or \\`NoopAnimationsModule\\` are imported in your application.\n - There is corresponding configuration for the animation named \\`${\n name}\\` defined in the \\`animations\\` field of the \\`@Component\\` decorator (see https://angular.io/api/core/Component#animations).`);\n }\n}\n\nclass EmulatedEncapsulationDomRenderer2 extends DefaultDomRenderer2 {\n private contentAttr: string;\n private hostAttr: string;\n\n constructor(\n eventManager: EventManager, sharedStylesHost: DomSharedStylesHost,\n private component: RendererType2, appId: string) {\n super(eventManager);\n const styles = flattenStyles(appId + '-' + component.id, component.styles, []);\n sharedStylesHost.addStyles(styles);\n\n this.contentAttr = shimContentAttribute(appId + '-' + component.id);\n this.hostAttr = shimHostAttribute(appId + '-' + component.id);\n }\n\n applyToHost(element: any) {\n super.setAttribute(element, this.hostAttr, '');\n }\n\n override createElement(parent: any, name: string): Element {\n const el = super.createElement(parent, name);\n super.setAttribute(el, this.contentAttr, '');\n return el;\n }\n}\n\nclass ShadowDomRenderer extends DefaultDomRenderer2 {\n private shadowRoot: any;\n\n constructor(\n eventManager: EventManager, private sharedStylesHost: DomSharedStylesHost,\n private hostEl: any, component: RendererType2) {\n super(eventManager);\n this.shadowRoot = (hostEl as any).attachShadow({mode: 'open'});\n this.sharedStylesHost.addHost(this.shadowRoot);\n const styles = flattenStyles(component.id, component.styles, []);\n for (let i = 0; i < styles.length; i++) {\n const styleEl = document.createElement('style');\n styleEl.textContent = styles[i];\n this.shadowRoot.appendChild(styleEl);\n }\n }\n\n private nodeOrShadowRoot(node: any): any {\n return node === this.hostEl ? this.shadowRoot : node;\n }\n\n override destroy() {\n this.sharedStylesHost.removeHost(this.shadowRoot);\n }\n\n override appendChild(parent: any, newChild: any): void {\n return super.appendChild(this.nodeOrShadowRoot(parent), newChild);\n }\n override insertBefore(parent: any, newChild: any, refChild: any): void {\n return super.insertBefore(this.nodeOrShadowRoot(parent), newChild, refChild);\n }\n override removeChild(parent: any, oldChild: any): void {\n return super.removeChild(this.nodeOrShadowRoot(parent), oldChild);\n }\n override parentNode(node: any): any {\n return this.nodeOrShadowRoot(super.parentNode(this.nodeOrShadowRoot(node)));\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\nimport {DOCUMENT} from '@angular/common';\nimport {Inject, Injectable} from '@angular/core';\n\nimport {EventManagerPlugin} from './event_manager';\n\n@Injectable()\nexport class DomEventsPlugin extends EventManagerPlugin {\n constructor(@Inject(DOCUMENT) doc: any) {\n super(doc);\n }\n\n // This plugin should come last in the list of plugins, because it accepts all\n // events.\n override supports(eventName: string): boolean {\n return true;\n }\n\n override addEventListener(element: HTMLElement, eventName: string, handler: Function): Function {\n element.addEventListener(eventName, handler as EventListener, false);\n return () => this.removeEventListener(element, eventName, handler as EventListener);\n }\n\n removeEventListener(target: any, eventName: string, callback: Function): void {\n return target.removeEventListener(eventName, callback as EventListener);\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\nimport {DOCUMENT} from '@angular/common';\nimport {Inject, Injectable, InjectionToken, NgModule, Optional, Provider, ɵConsole as Console} from '@angular/core';\n\nimport {EVENT_MANAGER_PLUGINS, EventManagerPlugin} from './event_manager';\n\n\n\n/**\n * Supported HammerJS recognizer event names.\n */\nconst EVENT_NAMES = {\n // pan\n 'pan': true,\n 'panstart': true,\n 'panmove': true,\n 'panend': true,\n 'pancancel': true,\n 'panleft': true,\n 'panright': true,\n 'panup': true,\n 'pandown': true,\n // pinch\n 'pinch': true,\n 'pinchstart': true,\n 'pinchmove': true,\n 'pinchend': true,\n 'pinchcancel': true,\n 'pinchin': true,\n 'pinchout': true,\n // press\n 'press': true,\n 'pressup': true,\n // rotate\n 'rotate': true,\n 'rotatestart': true,\n 'rotatemove': true,\n 'rotateend': true,\n 'rotatecancel': true,\n // swipe\n 'swipe': true,\n 'swipeleft': true,\n 'swiperight': true,\n 'swipeup': true,\n 'swipedown': true,\n // tap\n 'tap': true,\n 'doubletap': true\n};\n\n/**\n * DI token for providing [HammerJS](https://hammerjs.github.io/) support to Angular.\n * @see `HammerGestureConfig`\n *\n * @ngModule HammerModule\n * @publicApi\n */\nexport const HAMMER_GESTURE_CONFIG = new InjectionToken('HammerGestureConfig');\n\n\n/**\n * Function that loads HammerJS, returning a promise that is resolved once HammerJs is loaded.\n *\n * @publicApi\n */\nexport type HammerLoader = () => Promise;\n\n/**\n * Injection token used to provide a {@link HammerLoader} to Angular.\n *\n * @publicApi\n */\nexport const HAMMER_LOADER = new InjectionToken('HammerLoader');\n\nexport interface HammerInstance {\n on(eventName: string, callback?: Function): void;\n off(eventName: string, callback?: Function): void;\n destroy?(): void;\n}\n\n/**\n * An injectable [HammerJS Manager](https://hammerjs.github.io/api/#hammermanager)\n * for gesture recognition. Configures specific event recognition.\n * @publicApi\n */\n@Injectable()\nexport class HammerGestureConfig {\n /**\n * A set of supported event names for gestures to be used in Angular.\n * Angular supports all built-in recognizers, as listed in\n * [HammerJS documentation](https://hammerjs.github.io/).\n */\n events: string[] = [];\n\n /**\n * Maps gesture event names to a set of configuration options\n * that specify overrides to the default values for specific properties.\n *\n * The key is a supported event name to be configured,\n * and the options object contains a set of properties, with override values\n * to be applied to the named recognizer event.\n * For example, to disable recognition of the rotate event, specify\n * `{\"rotate\": {\"enable\": false}}`.\n *\n * Properties that are not present take the HammerJS default values.\n * For information about which properties are supported for which events,\n * and their allowed and default values, see\n * [HammerJS documentation](https://hammerjs.github.io/).\n *\n */\n overrides: {[key: string]: Object} = {};\n\n /**\n * Properties whose default values can be overridden for a given event.\n * Different sets of properties apply to different events.\n * For information about which properties are supported for which events,\n * and their allowed and default values, see\n * [HammerJS documentation](https://hammerjs.github.io/).\n */\n options?: {\n cssProps?: any;\n domEvents?: boolean;\n enable?: boolean | ((manager: any) => boolean);\n preset?: any[];\n touchAction?: string;\n recognizers?: any[];\n inputClass?: any;\n inputTarget?: EventTarget;\n };\n\n /**\n * Creates a [HammerJS Manager](https://hammerjs.github.io/api/#hammermanager)\n * and attaches it to a given HTML element.\n * @param element The element that will recognize gestures.\n * @returns A HammerJS event-manager object.\n */\n buildHammer(element: HTMLElement): HammerInstance {\n const mc = new Hammer!(element, this.options);\n\n mc.get('pinch').set({enable: true});\n mc.get('rotate').set({enable: true});\n\n for (const eventName in this.overrides) {\n mc.get(eventName).set(this.overrides[eventName]);\n }\n\n return mc;\n }\n}\n\n/**\n * Event plugin that adds Hammer support to an application.\n *\n * @ngModule HammerModule\n */\n@Injectable()\nexport class HammerGesturesPlugin extends EventManagerPlugin {\n private _loaderPromise: Promise|null = null;\n\n constructor(\n @Inject(DOCUMENT) doc: any,\n @Inject(HAMMER_GESTURE_CONFIG) private _config: HammerGestureConfig, private console: Console,\n @Optional() @Inject(HAMMER_LOADER) private loader?: HammerLoader|null) {\n super(doc);\n }\n\n override supports(eventName: string): boolean {\n if (!EVENT_NAMES.hasOwnProperty(eventName.toLowerCase()) && !this.isCustomEvent(eventName)) {\n return false;\n }\n\n if (!(window as any).Hammer && !this.loader) {\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n this.console.warn(\n `The \"${eventName}\" event cannot be bound because Hammer.JS is not ` +\n `loaded and no custom loader has been specified.`);\n }\n return false;\n }\n\n return true;\n }\n\n override addEventListener(element: HTMLElement, eventName: string, handler: Function): Function {\n const zone = this.manager.getZone();\n eventName = eventName.toLowerCase();\n\n // If Hammer is not present but a loader is specified, we defer adding the event listener\n // until Hammer is loaded.\n if (!(window as any).Hammer && this.loader) {\n this._loaderPromise = this._loaderPromise || this.loader();\n // This `addEventListener` method returns a function to remove the added listener.\n // Until Hammer is loaded, the returned function needs to *cancel* the registration rather\n // than remove anything.\n let cancelRegistration = false;\n let deregister: Function = () => {\n cancelRegistration = true;\n };\n\n this._loaderPromise\n .then(() => {\n // If Hammer isn't actually loaded when the custom loader resolves, give up.\n if (!(window as any).Hammer) {\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n this.console.warn(\n `The custom HAMMER_LOADER completed, but Hammer.JS is not present.`);\n }\n deregister = () => {};\n return;\n }\n\n if (!cancelRegistration) {\n // Now that Hammer is loaded and the listener is being loaded for real,\n // the deregistration function changes from canceling registration to removal.\n deregister = this.addEventListener(element, eventName, handler);\n }\n })\n .catch(() => {\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n this.console.warn(\n `The \"${eventName}\" event cannot be bound because the custom ` +\n `Hammer.JS loader failed.`);\n }\n deregister = () => {};\n });\n\n // Return a function that *executes* `deregister` (and not `deregister` itself) so that we\n // can change the behavior of `deregister` once the listener is added. Using a closure in\n // this way allows us to avoid any additional data structures to track listener removal.\n return () => {\n deregister();\n };\n }\n\n return zone.runOutsideAngular(() => {\n // Creating the manager bind events, must be done outside of angular\n const mc = this._config.buildHammer(element);\n const callback = function(eventObj: HammerInput) {\n zone.runGuarded(function() {\n handler(eventObj);\n });\n };\n mc.on(eventName, callback);\n return () => {\n mc.off(eventName, callback);\n // destroy mc to prevent memory leak\n if (typeof mc.destroy === 'function') {\n mc.destroy();\n }\n };\n });\n }\n\n isCustomEvent(eventName: string): boolean {\n return this._config.events.indexOf(eventName) > -1;\n }\n}\n\n/**\n * In Ivy, support for Hammer gestures is optional, so applications must\n * import the `HammerModule` at root to turn on support. This means that\n * Hammer-specific code can be tree-shaken away if not needed.\n */\nexport const HAMMER_PROVIDERS__POST_R3__ = [];\n\n/**\n * In View Engine, support for Hammer gestures is built-in by default.\n */\nexport const HAMMER_PROVIDERS__PRE_R3__: Provider[] = [\n {\n provide: EVENT_MANAGER_PLUGINS,\n useClass: HammerGesturesPlugin,\n multi: true,\n deps: [DOCUMENT, HAMMER_GESTURE_CONFIG, Console, [new Optional(), HAMMER_LOADER]]\n },\n {provide: HAMMER_GESTURE_CONFIG, useClass: HammerGestureConfig, deps: []},\n];\n\nexport const HAMMER_PROVIDERS = HAMMER_PROVIDERS__PRE_R3__;\n\n/**\n * Adds support for HammerJS.\n *\n * Import this module at the root of your application so that Angular can work with\n * HammerJS to detect gesture events.\n *\n * Note that applications still need to include the HammerJS script itself. This module\n * simply sets up the coordination layer between HammerJS and Angular's EventManager.\n *\n * @publicApi\n */\n@NgModule({providers: HAMMER_PROVIDERS__PRE_R3__})\nexport class HammerModule {\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\nimport {DOCUMENT, ɵgetDOM as getDOM} from '@angular/common';\nimport {Inject, Injectable, NgZone} from '@angular/core';\nimport {EventManagerPlugin} from './event_manager';\n\n/**\n * Defines supported modifiers for key events.\n */\nconst MODIFIER_KEYS = ['alt', 'control', 'meta', 'shift'];\n\nconst DOM_KEY_LOCATION_NUMPAD = 3;\n\n// Map to convert some key or keyIdentifier values to what will be returned by getEventKey\nconst _keyMap: {[k: string]: string} = {\n // The following values are here for cross-browser compatibility and to match the W3C standard\n // cf https://www.w3.org/TR/DOM-Level-3-Events-key/\n '\\b': 'Backspace',\n '\\t': 'Tab',\n '\\x7F': 'Delete',\n '\\x1B': 'Escape',\n 'Del': 'Delete',\n 'Esc': 'Escape',\n 'Left': 'ArrowLeft',\n 'Right': 'ArrowRight',\n 'Up': 'ArrowUp',\n 'Down': 'ArrowDown',\n 'Menu': 'ContextMenu',\n 'Scroll': 'ScrollLock',\n 'Win': 'OS'\n};\n\n// There is a bug in Chrome for numeric keypad keys:\n// https://code.google.com/p/chromium/issues/detail?id=155654\n// 1, 2, 3 ... are reported as A, B, C ...\nconst _chromeNumKeyPadMap = {\n 'A': '1',\n 'B': '2',\n 'C': '3',\n 'D': '4',\n 'E': '5',\n 'F': '6',\n 'G': '7',\n 'H': '8',\n 'I': '9',\n 'J': '*',\n 'K': '+',\n 'M': '-',\n 'N': '.',\n 'O': '/',\n '\\x60': '0',\n '\\x90': 'NumLock'\n};\n\n\n/**\n * Retrieves modifiers from key-event objects.\n */\nconst MODIFIER_KEY_GETTERS: {[key: string]: (event: KeyboardEvent) => boolean} = {\n 'alt': (event: KeyboardEvent) => event.altKey,\n 'control': (event: KeyboardEvent) => event.ctrlKey,\n 'meta': (event: KeyboardEvent) => event.metaKey,\n 'shift': (event: KeyboardEvent) => event.shiftKey\n};\n\n/**\n * @publicApi\n * A browser plug-in that provides support for handling of key events in Angular.\n */\n@Injectable()\nexport class KeyEventsPlugin extends EventManagerPlugin {\n /**\n * Initializes an instance of the browser plug-in.\n * @param doc The document in which key events will be detected.\n */\n constructor(@Inject(DOCUMENT) doc: any) {\n super(doc);\n }\n\n /**\n * Reports whether a named key event is supported.\n * @param eventName The event name to query.\n * @return True if the named key event is supported.\n */\n override supports(eventName: string): boolean {\n return KeyEventsPlugin.parseEventName(eventName) != null;\n }\n\n /**\n * Registers a handler for a specific element and key event.\n * @param element The HTML element to receive event notifications.\n * @param eventName The name of the key event to listen for.\n * @param handler A function to call when the notification occurs. Receives the\n * event object as an argument.\n * @returns The key event that was registered.\n */\n override addEventListener(element: HTMLElement, eventName: string, handler: Function): Function {\n const parsedEvent = KeyEventsPlugin.parseEventName(eventName)!;\n\n const outsideHandler =\n KeyEventsPlugin.eventCallback(parsedEvent['fullKey'], handler, this.manager.getZone());\n\n return this.manager.getZone().runOutsideAngular(() => {\n return getDOM().onAndCancel(element, parsedEvent['domEventName'], outsideHandler);\n });\n }\n\n static parseEventName(eventName: string): {fullKey: string, domEventName: string}|null {\n const parts: string[] = eventName.toLowerCase().split('.');\n\n const domEventName = parts.shift();\n if ((parts.length === 0) || !(domEventName === 'keydown' || domEventName === 'keyup')) {\n return null;\n }\n\n const key = KeyEventsPlugin._normalizeKey(parts.pop()!);\n\n let fullKey = '';\n MODIFIER_KEYS.forEach(modifierName => {\n const index: number = parts.indexOf(modifierName);\n if (index > -1) {\n parts.splice(index, 1);\n fullKey += modifierName + '.';\n }\n });\n fullKey += key;\n\n if (parts.length != 0 || key.length === 0) {\n // returning null instead of throwing to let another plugin process the event\n return null;\n }\n\n // NOTE: Please don't rewrite this as so, as it will break JSCompiler property renaming.\n // The code must remain in the `result['domEventName']` form.\n // return {domEventName, fullKey};\n const result: {fullKey: string, domEventName: string} = {} as any;\n result['domEventName'] = domEventName;\n result['fullKey'] = fullKey;\n return result;\n }\n\n static getEventFullKey(event: KeyboardEvent): string {\n let fullKey = '';\n let key = getEventKey(event);\n key = key.toLowerCase();\n if (key === ' ') {\n key = 'space'; // for readability\n } else if (key === '.') {\n key = 'dot'; // because '.' is used as a separator in event names\n }\n MODIFIER_KEYS.forEach(modifierName => {\n if (modifierName != key) {\n const modifierGetter = MODIFIER_KEY_GETTERS[modifierName];\n if (modifierGetter(event)) {\n fullKey += modifierName + '.';\n }\n }\n });\n fullKey += key;\n return fullKey;\n }\n\n /**\n * Configures a handler callback for a key event.\n * @param fullKey The event name that combines all simultaneous keystrokes.\n * @param handler The function that responds to the key event.\n * @param zone The zone in which the event occurred.\n * @returns A callback function.\n */\n static eventCallback(fullKey: any, handler: Function, zone: NgZone): Function {\n return (event: any /** TODO #9100 */) => {\n if (KeyEventsPlugin.getEventFullKey(event) === fullKey) {\n zone.runGuarded(() => handler(event));\n }\n };\n }\n\n /** @internal */\n static _normalizeKey(keyName: string): string {\n // TODO: switch to a Map if the mapping grows too much\n switch (keyName) {\n case 'esc':\n return 'escape';\n default:\n return keyName;\n }\n }\n}\n\nfunction getEventKey(event: any): string {\n let key = event.key;\n if (key == null) {\n key = event.keyIdentifier;\n // keyIdentifier is defined in the old draft of DOM Level 3 Events implemented by Chrome and\n // Safari cf\n // https://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-KeyboardEvents-Interfaces\n if (key == null) {\n return 'Unidentified';\n }\n if (key.startsWith('U+')) {\n key = String.fromCharCode(parseInt(key.substring(2), 16));\n if (event.location === DOM_KEY_LOCATION_NUMPAD && _chromeNumKeyPadMap.hasOwnProperty(key)) {\n // There is a bug in Chrome for numeric keypad keys:\n // https://code.google.com/p/chromium/issues/detail?id=155654\n // 1, 2, 3 ... are reported as A, B, C ...\n key = (_chromeNumKeyPadMap as any)[key];\n }\n }\n }\n\n return _keyMap[key] || key;\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\nimport {DOCUMENT} from '@angular/common';\nimport {forwardRef, Inject, Injectable, Injector, Sanitizer, SecurityContext, ɵ_sanitizeHtml as _sanitizeHtml, ɵ_sanitizeUrl as _sanitizeUrl, ɵallowSanitizationBypassAndThrow as allowSanitizationBypassOrThrow, ɵbypassSanitizationTrustHtml as bypassSanitizationTrustHtml, ɵbypassSanitizationTrustResourceUrl as bypassSanitizationTrustResourceUrl, ɵbypassSanitizationTrustScript as bypassSanitizationTrustScript, ɵbypassSanitizationTrustStyle as bypassSanitizationTrustStyle, ɵbypassSanitizationTrustUrl as bypassSanitizationTrustUrl, ɵBypassType as BypassType, ɵgetSanitizationBypassType as getSanitizationBypassType, ɵunwrapSafeValue as unwrapSafeValue} from '@angular/core';\n\nexport {SecurityContext};\n\n\n\n/**\n * Marker interface for a value that's safe to use in a particular context.\n *\n * @publicApi\n */\nexport interface SafeValue {}\n\n/**\n * Marker interface for a value that's safe to use as HTML.\n *\n * @publicApi\n */\nexport interface SafeHtml extends SafeValue {}\n\n/**\n * Marker interface for a value that's safe to use as style (CSS).\n *\n * @publicApi\n */\nexport interface SafeStyle extends SafeValue {}\n\n/**\n * Marker interface for a value that's safe to use as JavaScript.\n *\n * @publicApi\n */\nexport interface SafeScript extends SafeValue {}\n\n/**\n * Marker interface for a value that's safe to use as a URL linking to a document.\n *\n * @publicApi\n */\nexport interface SafeUrl extends SafeValue {}\n\n/**\n * Marker interface for a value that's safe to use as a URL to load executable code from.\n *\n * @publicApi\n */\nexport interface SafeResourceUrl extends SafeValue {}\n\n/**\n * DomSanitizer helps preventing Cross Site Scripting Security bugs (XSS) by sanitizing\n * values to be safe to use in the different DOM contexts.\n *\n * For example, when binding a URL in an `` hyperlink, `someValue` will be\n * sanitized so that an attacker cannot inject e.g. a `javascript:` URL that would execute code on\n * the website.\n *\n * In specific situations, it might be necessary to disable sanitization, for example if the\n * application genuinely needs to produce a `javascript:` style link with a dynamic value in it.\n * Users can bypass security by constructing a value with one of the `bypassSecurityTrust...`\n * methods, and then binding to that value from the template.\n *\n * These situations should be very rare, and extraordinary care must be taken to avoid creating a\n * Cross Site Scripting (XSS) security bug!\n *\n * When using `bypassSecurityTrust...`, make sure to call the method as early as possible and as\n * close as possible to the source of the value, to make it easy to verify no security bug is\n * created by its use.\n *\n * It is not required (and not recommended) to bypass security if the value is safe, e.g. a URL that\n * does not start with a suspicious protocol, or an HTML snippet that does not contain dangerous\n * code. The sanitizer leaves safe values intact.\n *\n * @security Calling any of the `bypassSecurityTrust...` APIs disables Angular's built-in\n * sanitization for the value passed in. Carefully check and audit all values and code paths going\n * into this call. Make sure any user data is appropriately escaped for this security context.\n * For more detail, see the [Security Guide](https://g.co/ng/security).\n *\n * @publicApi\n */\n@Injectable({providedIn: 'root', useExisting: forwardRef(() => DomSanitizerImpl)})\nexport abstract class DomSanitizer implements Sanitizer {\n /**\n * Sanitizes a value for use in the given SecurityContext.\n *\n * If value is trusted for the context, this method will unwrap the contained safe value and use\n * it directly. Otherwise, value will be sanitized to be safe in the given context, for example\n * by replacing URLs that have an unsafe protocol part (such as `javascript:`). The implementation\n * is responsible to make sure that the value can definitely be safely used in the given context.\n */\n abstract sanitize(context: SecurityContext, value: SafeValue|string|null): string|null;\n\n /**\n * Bypass security and trust the given value to be safe HTML. Only use this when the bound HTML\n * is unsafe (e.g. contains `