/
tailwind-v3.ts
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/
tailwind-v3.ts
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import { deleteFile, expectFileToMatch, writeFile } from '../../../utils/fs';
import { installPackage, uninstallPackage } from '../../../utils/packages';
import { ng, silentExec } from '../../../utils/process';
import { expectToFail } from '../../../utils/utils';
export default async function () {
// Install Tailwind
await installPackage('tailwindcss@3');
// Create configuration file
await silentExec('npx', 'tailwindcss', 'init');
// Add Tailwind directives to a component style
await writeFile('src/app/app.component.css', '@tailwind base; @tailwind components;');
// Add Tailwind directives to a global style
await writeFile('src/styles.css', '@tailwind base; @tailwind components;');
// Build should succeed and process Tailwind directives
await ng('build', '--configuration=development');
// Check for Tailwind output
await expectFileToMatch('dist/test-project/styles.css', /::placeholder/);
await expectFileToMatch('dist/test-project/main.js', /::placeholder/);
await expectToFail(() =>
expectFileToMatch('dist/test-project/styles.css', '@tailwind base; @tailwind components;'),
);
await expectToFail(() =>
expectFileToMatch('dist/test-project/main.js', '@tailwind base; @tailwind components;'),
);
// Remove configuration file
await deleteFile('tailwind.config.js');
// Ensure Tailwind is disabled when no configuration file is present
await ng('build', '--configuration=development');
await expectFileToMatch('dist/test-project/styles.css', '@tailwind base; @tailwind components;');
await expectFileToMatch('dist/test-project/main.js', '@tailwind base; @tailwind components;');
// Recreate configuration file
await silentExec('npx', 'tailwindcss', 'init');
// Uninstall Tailwind
await uninstallPackage('tailwindcss');
// Ensure installation warning is present
const { stderr } = await ng('build', '--configuration=development');
if (!stderr.includes("To enable Tailwind CSS, please install the 'tailwindcss' package.")) {
throw new Error('Expected tailwind installation warning');
}
// Tailwind directives should be unprocessed with missing package
await expectFileToMatch('dist/test-project/styles.css', '@tailwind base; @tailwind components;');
await expectFileToMatch('dist/test-project/main.js', '@tailwind base; @tailwind components;');
}