mirror of
https://github.com/tailwindlabs/tailwindcss.git
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4297655a7a
Wanted to make sure stuff works with CSS modules for both the postcss and the lightningcss pipeline.
464 lines
15 KiB
TypeScript
464 lines
15 KiB
TypeScript
import path from 'node:path'
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import { describe, expect } from 'vitest'
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import {
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candidate,
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css,
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fetchStyles,
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html,
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js,
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json,
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retryAssertion,
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test,
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ts,
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txt,
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yaml,
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} from '../utils'
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for (let transformer of ['postcss', 'lightningcss']) {
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describe(transformer, () => {
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test(
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`production build`,
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{
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fs: {
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'package.json': json`{}`,
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'pnpm-workspace.yaml': yaml`
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#
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packages:
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- project-a
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`,
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'project-a/package.json': txt`
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{
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"type": "module",
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"dependencies": {
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"@tailwindcss/vite": "workspace:^",
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"tailwindcss": "workspace:^"
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},
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"devDependencies": {
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${transformer === 'lightningcss' ? `"lightningcss": "^1.26.0",` : ''}
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"vite": "^5.3.5"
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}
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}
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`,
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'project-a/vite.config.ts': ts`
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import tailwindcss from '@tailwindcss/vite'
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import { defineConfig } from 'vite'
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export default defineConfig({
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css: ${transformer === 'postcss' ? '{}' : "{ transformer: 'lightningcss' }"},
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build: { cssMinify: false },
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plugins: [tailwindcss()],
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})
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`,
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'project-a/index.html': html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="underline m-2">Hello, world!</div>
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</body>
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`,
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'project-a/tailwind.config.js': js`
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export default {
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content: ['../project-b/src/**/*.js'],
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}
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`,
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'project-a/src/index.css': css`
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@import 'tailwindcss/theme' theme(reference);
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@import 'tailwindcss/utilities';
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@config '../tailwind.config.js';
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@source '../../project-b/src/**/*.html';
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`,
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'project-b/src/index.html': html`
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<div class="flex" />
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`,
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'project-b/src/index.js': js`
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const className = "content-['project-b/src/index.js']"
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module.exports = { className }
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`,
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},
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},
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async ({ root, fs, exec }) => {
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await exec('pnpm vite build', { cwd: path.join(root, 'project-a') })
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let files = await fs.glob('project-a/dist/**/*.css')
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expect(files).toHaveLength(1)
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let [filename] = files[0]
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await fs.expectFileToContain(filename, [
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candidate`underline`,
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candidate`m-2`,
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candidate`flex`,
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candidate`content-['project-b/src/index.js']`,
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])
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},
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)
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test(
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`dev mode`,
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{
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fs: {
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'package.json': json`{}`,
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'pnpm-workspace.yaml': yaml`
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#
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packages:
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- project-a
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`,
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'project-a/package.json': txt`
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{
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"type": "module",
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"dependencies": {
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"@tailwindcss/vite": "workspace:^",
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"tailwindcss": "workspace:^"
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},
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"devDependencies": {
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${transformer === 'lightningcss' ? `"lightningcss": "^1.26.0",` : ''}
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"vite": "^5.3.5"
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}
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}
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`,
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'project-a/vite.config.ts': ts`
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import tailwindcss from '@tailwindcss/vite'
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import { defineConfig } from 'vite'
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export default defineConfig({
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css: ${transformer === 'postcss' ? '{}' : "{ transformer: 'lightningcss' }"},
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build: { cssMinify: false },
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plugins: [tailwindcss()],
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})
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`,
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'project-a/index.html': html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="underline">Hello, world!</div>
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</body>
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`,
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'project-a/about.html': html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="font-bold">Tailwind Labs</div>
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</body>
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`,
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'project-a/tailwind.config.js': js`
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export default {
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content: ['../project-b/src/**/*.js'],
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}
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`,
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'project-a/src/index.css': css`
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@import 'tailwindcss/theme' theme(reference);
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@import 'tailwindcss/utilities';
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@config '../tailwind.config.js';
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@source '../../project-b/src/**/*.html';
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`,
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'project-b/src/index.html': html`
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<div class="flex" />
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`,
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'project-b/src/index.js': js`
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const className = "content-['project-b/src/index.js']"
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module.exports = { className }
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`,
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},
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},
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async ({ root, spawn, getFreePort, fs }) => {
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let port = await getFreePort()
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await spawn(`pnpm vite dev --port ${port}`, {
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cwd: path.join(root, 'project-a'),
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})
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// Candidates are resolved lazily, so the first visit of index.html
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// will only have candidates from this file.
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await retryAssertion(async () => {
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let css = await fetchStyles(port, '/index.html')
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).not.toContain(candidate`font-bold`)
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})
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// Going to about.html will extend the candidate list to include
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// candidates from about.html.
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await retryAssertion(async () => {
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let css = await fetchStyles(port, '/about.html')
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`font-bold`)
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})
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// Updates are additive and cause new candidates to be added.
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await fs.write(
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'project-a/index.html',
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html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="underline m-2">Hello, world!</div>
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</body>
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`,
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)
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await retryAssertion(async () => {
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let css = await fetchStyles(port)
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`font-bold`)
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expect(css).toContain(candidate`m-2`)
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})
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// Manually added `@source`s are watched and trigger a rebuild
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await fs.write(
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'project-b/src/index.js',
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js`
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const className = "[.changed_&]:content-['project-b/src/index.js']"
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module.exports = { className }
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`,
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)
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await retryAssertion(async () => {
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let css = await fetchStyles(port)
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`font-bold`)
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expect(css).toContain(candidate`m-2`)
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expect(css).toContain(candidate`[.changed_&]:content-['project-b/src/index.js']`)
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})
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// After updates to the CSS file, all previous candidates should still be in
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// the generated CSS
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await fs.write(
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'project-a/src/index.css',
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css`
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${await fs.read('project-a/src/index.css')}
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.red {
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color: red;
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}
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`,
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)
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await retryAssertion(async () => {
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let css = await fetchStyles(port)
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expect(css).toContain(candidate`red`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`m-2`)
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`[.changed_&]:content-['project-b/src/index.js']`)
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expect(css).toContain(candidate`font-bold`)
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})
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},
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)
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test(
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'watch mode',
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{
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fs: {
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'package.json': json`{}`,
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'pnpm-workspace.yaml': yaml`
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#
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packages:
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- project-a
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`,
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'project-a/package.json': txt`
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{
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"type": "module",
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"dependencies": {
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"@tailwindcss/vite": "workspace:^",
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"tailwindcss": "workspace:^"
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},
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"devDependencies": {
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${transformer === 'lightningcss' ? `"lightningcss": "^1.26.0",` : ''}
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"vite": "^5.3.5"
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}
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}
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`,
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'project-a/vite.config.ts': ts`
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import tailwindcss from '@tailwindcss/vite'
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import { defineConfig } from 'vite'
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export default defineConfig({
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build: { cssMinify: false },
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plugins: [tailwindcss()],
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})
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`,
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'project-a/index.html': html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="underline">Hello, world!</div>
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</body>
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`,
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'project-a/tailwind.config.js': js`
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export default {
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content: ['../project-b/src/**/*.js'],
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}
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`,
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'project-a/src/index.css': css`
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@import 'tailwindcss/theme' theme(reference);
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@import 'tailwindcss/utilities';
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@config '../tailwind.config.js';
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@source '../../project-b/src/**/*.html';
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`,
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'project-b/src/index.html': html`
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<div class="flex" />
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`,
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'project-b/src/index.js': js`
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const className = "content-['project-b/src/index.js']"
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module.exports = { className }
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`,
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},
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},
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async ({ root, spawn, fs }) => {
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await spawn(`pnpm vite build --watch`, {
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cwd: path.join(root, 'project-a'),
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})
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let filename = ''
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await retryAssertion(async () => {
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let files = await fs.glob('project-a/dist/**/*.css')
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expect(files).toHaveLength(1)
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filename = files[0][0]
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})
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await fs.expectFileToContain(filename, [candidate`underline`, candidate`flex`])
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await retryAssertion(async () => {
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// Updates are additive and cause new candidates to be added.
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await fs.write(
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'project-a/index.html',
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html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="underline m-2">Hello, world!</div>
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</body>
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`,
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)
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let files = await fs.glob('project-a/dist/**/*.css')
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expect(files).toHaveLength(1)
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let [, css] = files[0]
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`m-2`)
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})
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// Manually added `@source`s are watched and trigger a rebuild
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await fs.write(
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'project-b/src/index.js',
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js`
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const className = "[.changed_&]:content-['project-b/src/index.js']"
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module.exports = { className }
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`,
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)
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await retryAssertion(async () => {
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let files = await fs.glob('project-a/dist/**/*.css')
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expect(files).toHaveLength(1)
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let [, css] = files[0]
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`m-2`)
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expect(css).toContain(candidate`[.changed_&]:content-['project-b/src/index.js']`)
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})
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// After updates to the CSS file, all previous candidates should still be in
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// the generated CSS
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await fs.write(
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'project-a/src/index.css',
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css`
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${await fs.read('project-a/src/index.css')}
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.red {
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color: red;
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}
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`,
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)
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await retryAssertion(async () => {
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let files = await fs.glob('project-a/dist/**/*.css')
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expect(files).toHaveLength(1)
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let [, css] = files[0]
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`flex`)
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expect(css).toContain(candidate`m-2`)
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expect(css).toContain(candidate`[.changed_&]:content-['project-b/src/index.js']`)
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expect(css).toContain(candidate`red`)
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})
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},
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)
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})
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}
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test(
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`demote Tailwind roots to regular CSS files and back to Tailwind roots while restoring all candidates`,
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{
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fs: {
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'package.json': json`
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{
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"type": "module",
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"dependencies": {
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"@tailwindcss/vite": "workspace:^",
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"tailwindcss": "workspace:^"
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},
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"devDependencies": {
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"vite": "^5.3.5"
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}
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}
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`,
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'vite.config.ts': ts`
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import tailwindcss from '@tailwindcss/vite'
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import { defineConfig } from 'vite'
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export default defineConfig({
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build: { cssMinify: false },
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plugins: [tailwindcss()],
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})
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`,
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'index.html': html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="underline">Hello, world!</div>
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</body>
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`,
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'about.html': html`
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<head>
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<link rel="stylesheet" href="./src/index.css" />
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</head>
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<body>
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<div class="font-bold">Tailwind Labs</div>
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</body>
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`,
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'src/index.css': css`@import 'tailwindcss';`,
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},
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},
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async ({ spawn, getFreePort, fs }) => {
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let port = await getFreePort()
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await spawn(`pnpm vite dev --port ${port}`)
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// Candidates are resolved lazily, so the first visit of index.html
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// will only have candidates from this file.
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await retryAssertion(async () => {
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let css = await fetchStyles(port, '/index.html')
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expect(css).toContain(candidate`underline`)
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expect(css).not.toContain(candidate`font-bold`)
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})
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// Going to about.html will extend the candidate list to include
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// candidates from about.html.
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await retryAssertion(async () => {
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let css = await fetchStyles(port, '/about.html')
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`font-bold`)
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})
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// We change the CSS file so it is no longer a valid Tailwind root.
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await fs.write('src/index.css', css`@import 'tailwindcss';`)
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await retryAssertion(async () => {
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let css = await fetchStyles(port)
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expect(css).toContain(candidate`underline`)
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expect(css).toContain(candidate`font-bold`)
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})
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},
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)
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