import { candidate, css, fetchStyles, html, retryAssertion, test, ts, txt } from '../utils'
const WORKSPACE = {
'package.json': txt`
{
"type": "module",
"dependencies": {
"@tailwindcss/vite": "workspace:^",
"tailwindcss": "workspace:^"
},
"devDependencies": {
"vite": "^5.3.5"
}
}
`,
'vite.config.ts': ts`
import tailwindcss from '@tailwindcss/vite'
import { defineConfig } from 'vite'
import { fileURLToPath } from 'node:url'
export default defineConfig({
build: { cssMinify: false },
plugins: [tailwindcss(), virtualModule()],
})
function virtualModule() {
const virtualModuleId = 'virtual:my-module.css'
const resolvedVirtualModuleId = ' ' + virtualModuleId
return {
name: 'my-plugin',
resolveId(id) {
if (id === virtualModuleId) {
return resolvedVirtualModuleId
}
},
load(id) {
if (id === resolvedVirtualModuleId) {
return 'export default {}'
}
},
}
}
`,
'index.html': html`
Hello, world!
`,
'src/index.js': ts`import 'virtual:my-module.css'`,
'src/index.css': css`@import 'tailwindcss';`,
}
test(
'does not crash when importing a virtual module ending in .css in production builds',
{ fs: WORKSPACE },
async ({ fs, exec, expect }) => {
await exec('pnpm vite build')
let files = await fs.glob('dist/**/*.css')
expect(files).toHaveLength(1)
let [filename] = files[0]
await fs.expectFileToContain(filename, [candidate`underline`])
},
)
test('loads virtual modules in dev mode', { fs: WORKSPACE }, async ({ spawn, expect }) => {
let process = await spawn('pnpm vite dev')
await process.onStdout((m) => m.includes('ready in'))
let url = ''
await process.onStdout((m) => {
let match = /Local:\s*(http.*)\//.exec(m)
if (match) url = match[1]
return Boolean(url)
})
await retryAssertion(async () => {
let styles = await fetchStyles(url, '/index.html')
expect(styles).toContain(candidate`underline`)
})
})