{"ast":null,"code":"/**\n * @license Angular v20.1.4\n * (c) 2010-2025 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { DOCUMENT, ɵgetDOM as _getDOM } from '@angular/common';\nimport * as i0 from '@angular/core';\nimport { InjectionToken, ɵRuntimeError as _RuntimeError, Injectable, Inject, APP_ID, CSP_NONCE, PLATFORM_ID, Optional, ViewEncapsulation, ɵTracingService as _TracingService, RendererStyleFlags2 } from '@angular/core';\n\n/**\n * The injection token for plugins of the `EventManager` service.\n *\n * @publicApi\n */\nconst EVENT_MANAGER_PLUGINS = new InjectionToken(ngDevMode ? 'EventManagerPlugins' : '');\n/**\n * An injectable service that provides event management for Angular\n * through a browser plug-in.\n *\n * @publicApi\n */\nclass EventManager {\n _zone;\n _plugins;\n _eventNameToPlugin = new Map();\n /**\n * Initializes an instance of the event-manager service.\n */\n constructor(plugins, _zone) {\n this._zone = _zone;\n plugins.forEach(plugin => {\n plugin.manager = this;\n });\n this._plugins = plugins.slice().reverse();\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 * @param options Options that configure how the event listener is bound.\n * @returns A callback function that can be used to remove the handler.\n */\n addEventListener(element, eventName, handler, options) {\n const plugin = this._findPluginFor(eventName);\n return plugin.addEventListener(element, eventName, handler, options);\n }\n /**\n * Retrieves the compilation zone in which event listeners are registered.\n */\n getZone() {\n return this._zone;\n }\n /** @internal */\n _findPluginFor(eventName) {\n let plugin = this._eventNameToPlugin.get(eventName);\n if (plugin) {\n return plugin;\n }\n const plugins = this._plugins;\n plugin = plugins.find(plugin => plugin.supports(eventName));\n if (!plugin) {\n throw new _RuntimeError(5101 /* RuntimeErrorCode.NO_PLUGIN_FOR_EVENT */, (typeof ngDevMode === 'undefined' || ngDevMode) && `No event manager plugin found for event ${eventName}`);\n }\n this._eventNameToPlugin.set(eventName, plugin);\n return plugin;\n }\n static ɵfac = function EventManager_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || EventManager)(i0.ɵɵinject(EVENT_MANAGER_PLUGINS), i0.ɵɵinject(i0.NgZone));\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: EventManager,\n factory: EventManager.ɵfac\n });\n}\n(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && i0.ɵsetClassMetadata(EventManager, [{\n type: Injectable\n }], () => [{\n type: undefined,\n decorators: [{\n type: Inject,\n args: [EVENT_MANAGER_PLUGINS]\n }]\n }, {\n type: i0.NgZone\n }], null);\n})();\n/**\n * The plugin definition for the `EventManager` class\n *\n * It can be used as a base class to create custom manager plugins, i.e. you can create your own\n * class that extends the `EventManagerPlugin` one.\n *\n * @publicApi\n */\nclass EventManagerPlugin {\n _doc;\n // TODO: remove (has some usage in G3)\n constructor(_doc) {\n this._doc = _doc;\n }\n // Using non-null assertion because it's set by EventManager's constructor\n manager;\n}\n\n/** The style elements attribute name used to set value of `APP_ID` token. */\nconst APP_ID_ATTRIBUTE_NAME = 'ng-app-id';\n/**\n * Removes all provided elements from the document.\n * @param elements An array of HTML Elements.\n */\nfunction removeElements(elements) {\n for (const element of elements) {\n element.remove();\n }\n}\n/**\n * Creates a `style` element with the provided inline style content.\n * @param style A string of the inline style content.\n * @param doc A DOM Document to use to create the element.\n * @returns An HTMLStyleElement instance.\n */\nfunction createStyleElement(style, doc) {\n const styleElement = doc.createElement('style');\n styleElement.textContent = style;\n return styleElement;\n}\n/**\n * Searches a DOM document's head element for style elements with a matching application\n * identifier attribute (`ng-app-id`) to the provide identifier and adds usage records for each.\n * @param doc An HTML DOM document instance.\n * @param appId A string containing an Angular application identifer.\n * @param inline A Map object for tracking inline (defined via `styles` in component decorator) style usage.\n * @param external A Map object for tracking external (defined via `styleUrls` in component decorator) style usage.\n */\nfunction addServerStyles(doc, appId, inline, external) {\n const elements = doc.head?.querySelectorAll(`style[${APP_ID_ATTRIBUTE_NAME}=\"${appId}\"],link[${APP_ID_ATTRIBUTE_NAME}=\"${appId}\"]`);\n if (elements) {\n for (const styleElement of elements) {\n styleElement.removeAttribute(APP_ID_ATTRIBUTE_NAME);\n if (styleElement instanceof HTMLLinkElement) {\n // Only use filename from href\n // The href is build time generated with a unique value to prevent duplicates.\n external.set(styleElement.href.slice(styleElement.href.lastIndexOf('/') + 1), {\n usage: 0,\n elements: [styleElement]\n });\n } else if (styleElement.textContent) {\n inline.set(styleElement.textContent, {\n usage: 0,\n elements: [styleElement]\n });\n }\n }\n }\n}\n/**\n * Creates a `link` element for the provided external style URL.\n * @param url A string of the URL for the stylesheet.\n * @param doc A DOM Document to use to create the element.\n * @returns An HTMLLinkElement instance.\n */\nfunction createLinkElement(url, doc) {\n const linkElement = doc.createElement('link');\n linkElement.setAttribute('rel', 'stylesheet');\n linkElement.setAttribute('href', url);\n return linkElement;\n}\nclass SharedStylesHost {\n doc;\n appId;\n nonce;\n /**\n * Provides usage information for active inline style content and associated HTML