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8d7a51dfc9
Enhance performance when using SSR by adding `modulepreload` links to lazy-loaded routes. This ensures that the required modules are preloaded in the background, improving the user experience and reducing the time to interactive. Closes #26484
95 lines
3.1 KiB
TypeScript
95 lines
3.1 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.dev/license
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*/
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import { Component, provideExperimentalZonelessChangeDetection } from '@angular/core';
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import { bootstrapApplication } from '@angular/platform-browser';
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import { provideServerRendering } from '@angular/platform-server';
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import { RouterOutlet, Routes, provideRouter } from '@angular/router';
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import { destroyAngularServerApp } from '../src/app';
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import { ServerAsset, setAngularAppManifest } from '../src/manifest';
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import { ServerRoute, provideServerRoutesConfig } from '../src/routes/route-config';
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/**
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* Configures the Angular application for testing by setting up the Angular app manifest,
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* configuring server-side rendering, and bootstrapping the application with the provided routes.
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* This function generates a basic HTML template with a base href and sets up the necessary
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* Angular components and providers for testing purposes.
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*
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* @param routes - An array of route definitions to be used by the Angular Router.
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* @param serverRoutes - An array of server route definitions for server-side rendering.
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* @param baseHref - An optional base href to be used in the HTML template.
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* @param additionalServerAssets - A record of additional server assets to include,
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* where the keys are asset paths and the values are asset details.
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* @param locale - An optional locale to configure for the application during testing.
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*/
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export function setAngularAppTestingManifest(
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routes: Routes,
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serverRoutes: ServerRoute[],
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baseHref = '/',
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additionalServerAssets: Record<string, ServerAsset> = {},
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locale?: string,
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): void {
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destroyAngularServerApp();
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@Component({
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standalone: true,
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selector: 'app-root',
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template: '<router-outlet />',
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imports: [RouterOutlet],
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})
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class AppComponent {}
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setAngularAppManifest({
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inlineCriticalCss: false,
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baseHref,
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locale,
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assets: {
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...additionalServerAssets,
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'index.server.html': {
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size: 25,
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hash: 'f799132d0a09e0fef93c68a12e443527700eb59e6f67fcb7854c3a60ff082fde',
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text: async () => `<html>
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<head>
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<title>SSR page</title>
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<base href="${baseHref}" />
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</head>
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<body>
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<app-root></app-root>
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</body>
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</html>
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`,
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},
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'index.csr.html': {
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size: 25,
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hash: 'f799132d0a09e0fef93c68a12e443527700eb59e6f67fcb7854c3a60ff082fde',
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text: async () =>
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`<html>
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<head>
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<title>CSR page</title>
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<base href="${baseHref}" />
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</head>
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<body>
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<app-root></app-root>
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</body>
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</html>
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`,
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},
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},
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bootstrap: async () => () => {
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return bootstrapApplication(AppComponent, {
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providers: [
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provideServerRendering(),
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provideExperimentalZonelessChangeDetection(),
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provideRouter(routes),
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provideServerRoutesConfig(serverRoutes),
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],
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});
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},
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});
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}
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