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Merged
RobinMalfait merged 5 commits into from
Mar 12, 2026
Merged

Add support for Vite 8 in @tailwindcss/vite #19790

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90cf4ea
add tests to ensure Vite 8 works
RobinMalfait Mar 12, 2026
77e27bc
allow vite v8 as a peer dependency
RobinMalfait Mar 12, 2026
787ff4d
bump Vite in catalog
RobinMalfait Mar 12, 2026
3bf810f
update changelog
RobinMalfait Mar 12, 2026
14603f9
cleanup: combine SSR tests
RobinMalfait Mar 12, 2026
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Canonicalize `calc(var(--spacing)*…)` expressions into `--spacing(…)` ([#19769](https://github.com/tailwindlabs/tailwindcss/pull/19769))
- Fix crash in canonicalization step when handling utilities with empty property maps ([#19727](https://github.com/tailwindlabs/tailwindcss/pull/19727))
- Skip full reload for server only modules scanned by client CSS when using `@tailwindcss/vite` ([#19745](https://github.com/tailwindlabs/tailwindcss/pull/19745))
- Add support for Vite 8 in `@tailwindcss/vite` ([#19790](https://github.com/tailwindlabs/tailwindcss/pull/19790))

## [4.2.1] - 2026-02-23

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2 changes: 1 addition & 1 deletion integrations/vite/index.test.ts
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Expand Up @@ -473,7 +473,7 @@ describe.each(['postcss', 'lightningcss'])('%s', (transformer) => {
},
)

describe.sequential.each([['^6'], ['7.0.8'], ['7.1.12'], ['7.3.1']])(
describe.sequential.each([['^6'], ['7.0.8'], ['7.1.12'], ['7.3.1'], ['8.0.0']])(
'Using Vite %s',
(version) => {
test(
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220 changes: 62 additions & 158 deletions integrations/vite/ssr.test.ts
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Original file line number Diff line number Diff line change
@@ -1,168 +1,72 @@
import { describe } from 'vitest'
import { candidate, css, html, json, test, ts } from '../utils'

const WORKSPACE = {
'index.html': html`
<body>
<div id="app"></div>
<script type="module" src="./src/index.ts"></script>
</body>
`,
'src/index.css': css`@import 'tailwindcss';`,
'src/index.ts': ts`
import './index.css'

document.querySelector('#app').innerHTML = \`
<div class="underline m-2">Hello, world!</div>
\`
`,
'server.ts': ts`
import css from './src/index.css?url'

document.querySelector('#app').innerHTML = \`
<link rel="stylesheet" href="\${css}">
<div class="overline m-3">Hello, world!</div>
\`
`,
}

test(
'Vite 5',
{
fs: {
'package.json': json`
{
"type": "module",
"dependencies": {
"@tailwindcss/vite": "workspace:^",
"tailwindcss": "workspace:^"
},
"_comment": "This test uses Vite 5.3 on purpose. Do not upgrade it to Vite 6.",
"devDependencies": {
"vite": "^5.3"
describe.each([['^5.3'], ['^6.0'], ['^7'], ['^8']])('Using Vite %s', (version) => {
test(
`SSR build`,
{
fs: {
'package.json': json`
{
"type": "module",
"dependencies": {
"@tailwindcss/vite": "workspace:^",
"tailwindcss": "workspace:^"
},
"devDependencies": {
"vite": "${version}"
}
}
}
`,
'vite.config.ts': ts`
import tailwindcss from '@tailwindcss/vite'
import { defineConfig } from 'vite'

export default defineConfig({
build: {
cssMinify: false,
ssrEmitAssets: true,
},
plugins: [tailwindcss()],
})
`,
...WORKSPACE,
},
},
async ({ fs, exec, expect }) => {
await exec('pnpm vite build --ssr server.ts')

let files = await fs.glob('dist/**/*.css')
expect(files).toHaveLength(1)
let [filename] = files[0]
`,
'vite.config.ts': ts`
import tailwindcss from '@tailwindcss/vite'
import { defineConfig } from 'vite'

await fs.expectFileToContain(filename, [
candidate`underline`,
candidate`m-2`,
candidate`overline`,
candidate`m-3`,
])
},
)
export default defineConfig({
build: {
cssMinify: false,
ssrEmitAssets: true,
},
plugins: [tailwindcss()],
})
`,
'index.html': html`
<body>
<div id="app"></div>
<script type="module" src="./src/index.ts"></script>
</body>
`,
'src/index.css': css`@import 'tailwindcss';`,
'src/index.ts': ts`
import './index.css'

test(
`Vite 6`,
{
fs: {
'package.json': json`
{
"type": "module",
"dependencies": {
"@tailwindcss/vite": "workspace:^",
"tailwindcss": "workspace:^"
},
"devDependencies": {
"vite": "^6.0"
}
}
`,
'vite.config.ts': ts`
import tailwindcss from '@tailwindcss/vite'
import { defineConfig } from 'vite'
document.querySelector('#app').innerHTML = \`
<div class="underline m-2">Hello, world!</div>
\`
`,
'server.ts': ts`
import css from './src/index.css?url'

export default defineConfig({
build: {
cssMinify: false,
ssrEmitAssets: true,
},
plugins: [tailwindcss()],
})
`,
...WORKSPACE,
document.querySelector('#app').innerHTML = \`
<link rel="stylesheet" href="\${css}">
<div class="overline m-3">Hello, world!</div>
\`
`,
},
},
},
async ({ fs, exec, expect }) => {
await exec('pnpm vite build --ssr server.ts')

let files = await fs.glob('dist/**/*.css')
expect(files).toHaveLength(1)
let [filename] = files[0]

await fs.expectFileToContain(filename, [
candidate`underline`,
candidate`m-2`,
candidate`overline`,
candidate`m-3`,
])
},
)
async ({ fs, exec, expect }) => {
await exec('pnpm vite build --ssr server.ts')

test(
`Vite 7`,
{
fs: {
'package.json': json`
{
"type": "module",
"dependencies": {
"@tailwindcss/vite": "workspace:^",
"tailwindcss": "workspace:^"
},
"devDependencies": {
"vite": "^7"
}
}
`,
'vite.config.ts': ts`
import tailwindcss from '@tailwindcss/vite'
import { defineConfig } from 'vite'
let files = await fs.glob('dist/**/*.css')
expect(files).toHaveLength(1)
let [filename] = files[0]

export default defineConfig({
build: {
cssMinify: false,
ssrEmitAssets: true,
},
plugins: [tailwindcss()],
})
`,
...WORKSPACE,
await fs.expectFileToContain(filename, [
candidate`underline`,
candidate`m-2`,
candidate`overline`,
candidate`m-3`,
])
},
},
async ({ fs, exec, expect }) => {
await exec('pnpm vite build --ssr server.ts')

let files = await fs.glob('dist/**/*.css')
expect(files).toHaveLength(1)
let [filename] = files[0]

await fs.expectFileToContain(filename, [
candidate`underline`,
candidate`m-2`,
candidate`overline`,
candidate`m-3`,
])
},
)
)
})
2 changes: 1 addition & 1 deletion packages/@tailwindcss-vite/package.json
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Expand Up @@ -37,6 +37,6 @@
"vite": "catalog:"
},
"peerDependencies": {
"vite": "^5.2.0 || ^6 || ^7"
"vite": "^5.2.0 || ^6 || ^7 || ^8"
}
}
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