{"version":3,"file":"bespunky-angular-zen-async.mjs","sources":["../../../../libs/angular-zen/async/src/async.module.ts","../../../../libs/angular-zen/async/src/lazy-loader/lazy-loader.service.ts","../../../../libs/angular-zen/async/src/utils/promiseLater.ts","../../../../libs/angular-zen/async/src/bespunky-angular-zen-async.ts"],"sourcesContent":["import { NgModule } from '@angular/core';\n\nimport { CoreModule } from '@bespunky/angular-zen/core';\nimport { UniversalModule } from '@bespunky/angular-zen/universal';\n\n@NgModule({\n declarations: [],\n imports: [ CoreModule, UniversalModule ],\n exports: [ CoreModule ]\n})\nexport class AsyncModule { }\n","import { Observable, of } from 'rxjs';\nimport { Injectable, ElementRef } from '@angular/core';\n\nimport { HeadService } from '@bespunky/angular-zen/core';\nimport { UniversalService } from '@bespunky/angular-zen/universal';\nimport { ScriptLoadOptions } from './script-load-options';\nimport { LoadOptions } from './load-options';\nimport { LazyLoadedFile } from './lazy-loaded-file';\n\ntype ElementCreator = (url: string, onLoad: () => void, onError: (error: any) => void, options: LoadOptions) => ElementRef;\n\n/**\n * Provides methods for lazy loading scripts and styles programatically.\n * The service keeps track of loaded files to skip reloading unless specified otherwise in the options of `loadScript()` or `loadStyle()`.\n */\n@Injectable({\n providedIn: 'root'\n})\nexport class LazyLoaderService\n{\n /**\n * Defines the default options when calling the `LazyLoaderService.loadScript()` method.\n */\n private defaultScriptOptions: ScriptLoadOptions = {\n async: true,\n defer: true,\n alreadyLoaded: (url) => this.isCached(url) || this.isScriptPresent(url),\n force: false\n };\n\n /**\n * Defines the default options when calling the `LazyLoaderService.loadStyle()` method.\n */\n private defaultStyleOptions: LoadOptions = {\n alreadyLoaded: (url) => this.isCached(url) || this.isStylePresent(url),\n force: false\n };\n\n /**\n * Keeps track of loaded lazy files status and references\n */\n private cache: { [url: string]: { lazyFile: LazyLoadedFile, observable: Observable } };\n\n constructor(private head: HeadService, private universal: UniversalService)\n {\n this.cache = {};\n }\n\n /**\n * Checks whether the file from the specified url has already been cached.\n * @param url The url for the file to check.\n * @returns A value indicating whether the file from the specified url has already been cached.\n */\n public isCached(url: string): boolean\n {\n return !!this.cache[url];\n }\n\n /**\n * Checks whether a script element is already present in `` for the given url.\n * This doesn't guarantee that the script has been loaded.\n * \n * @param {string} url The url of the loaded script.\n * @returns {boolean} `true` if an element matching the url is present in ``; otherwise `false.\n */\n public isScriptPresent(url: string): boolean\n {\n return this.head.contains('script', { src: url });\n }\n\n /**\n * Checks whether a link element is already present in `` for the given style url.\n * This doesn't guarantee that the style has been loaded.\n * \n * @param {string} url The url of the loaded link.\n * @returns {boolean} `true` if an element matching the url is present in ``; otherwise `false.\n */\n public isStylePresent(url: string): boolean\n {\n return this.head.contains('link', { rel: 'stylesheet', href: url });\n }\n\n /**\n * Loads a script programatically.\n *\n * @param url The full url of the script to load.\n * @param options (Optional) Specifies custom options to override default behaviour.\n * @returns An observable object which allows subscribers to know when the script has been loaded and access its associated `