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augment-index-html_spec.ts
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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { tags } from '@angular-devkit/core';
import { AugmentIndexHtmlOptions, augmentIndexHtml } from './augment-index-html';
describe('augment-index-html', () => {
const indexGeneratorOptions: AugmentIndexHtmlOptions = {
html: '<html><head></head><body></body></html>',
baseHref: '/',
sri: false,
files: [],
loadOutputFile: async (_fileName: string) => '',
entrypoints: [
['scripts', false],
['polyfills', true],
['main', true],
['styles', false],
],
};
const oneLineHtml = (html: TemplateStringsArray) =>
tags.stripIndents`${html}`.replace(/(>\s+)/g, '>');
it('can generate index.html', async () => {
const { content } = await augmentIndexHtml({
...indexGeneratorOptions,
files: [
{ file: 'styles.css', extension: '.css', name: 'styles' },
{ file: 'runtime.js', extension: '.js', name: 'main' },
{ file: 'main.js', extension: '.js', name: 'main' },
{ file: 'runtime.js', extension: '.js', name: 'polyfills' },
{ file: 'polyfills.js', extension: '.js', name: 'polyfills' },
],
});
expect(content).toEqual(oneLineHtml`
<html>
<head><base href="/">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<script src="runtime.js" type="module"></script>
<script src="polyfills.js" type="module"></script>
<script src="main.js" type="module"></script>
</body>
</html>
`);
});
it('should replace base href value', async () => {
const { content } = await augmentIndexHtml({
...indexGeneratorOptions,
html: '<html><head><base href="/"></head><body></body></html>',
baseHref: '/Apps/',
});
expect(content).toEqual(oneLineHtml`
<html>
<head><base href="/Apps/">
</head>
<body>
</body>
</html>
`);
});
it('should add lang and dir LTR attribute for French (fr)', async () => {
const { content } = await augmentIndexHtml({
...indexGeneratorOptions,
lang: 'fr',
});
expect(content).toEqual(oneLineHtml`
<html lang="fr" dir="ltr">
<head>
<base href="/">
</head>
<body>
</body>
</html>
`);
});
it('should add lang and dir RTL attribute for Pashto (ps)', async () => {
const { content } = await augmentIndexHtml({
...indexGeneratorOptions,
lang: 'ps',
});
expect(content).toEqual(oneLineHtml`
<html lang="ps" dir="rtl">
<head>
<base href="/">
</head>
<body>
</body>
</html>
`);
});
it(`should work when lang (locale) is not provided by '@angular/common'`, async () => {
const { content, warnings } = await augmentIndexHtml({
...indexGeneratorOptions,
lang: 'xx-XX',
});
expect(warnings).toEqual([
`Locale data for 'xx-XX' cannot be found. 'dir' attribute will not be set for this locale.`,
]);
expect(content).toEqual(oneLineHtml`
<html lang="xx-XX">
<head>
<base href="/">
</head>
<body>
</body>
</html>
`);
});
it(`should add script and link tags even when body and head element doesn't exist`, async () => {
const { content } = await augmentIndexHtml({
...indexGeneratorOptions,
html: `<app-root></app-root>`,
files: [
{ file: 'styles.css', extension: '.css', name: 'styles' },
{ file: 'runtime.js', extension: '.js', name: 'main' },
{ file: 'main.js', extension: '.js', name: 'main' },
{ file: 'runtime.js', extension: '.js', name: 'polyfills' },
{ file: 'polyfills.js', extension: '.js', name: 'polyfills' },
],
});
expect(content).toEqual(oneLineHtml`
<link rel="stylesheet" href="styles.css">
<script src="runtime.js" type="module"></script>
<script src="polyfills.js" type="module"></script>
<script src="main.js" type="module"></script>
<app-root></app-root>
`);
});
});