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Support Vite Environment API #18970

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66 changes: 49 additions & 17 deletions packages/@tailwindcss-vite/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,8 @@ import { clearRequireCache } from '@tailwindcss/node/require-cache'
import { Scanner } from '@tailwindcss/oxide'
import fs from 'node:fs/promises'
import path from 'node:path'
import type { Plugin, ResolvedConfig, ViteDevServer } from 'vite'
import type { Environment, Plugin, ResolvedConfig, ViteDevServer } from 'vite'
import * as vite from 'vite'

const DEBUG = env.DEBUG
const SPECIAL_QUERY_RE = /[?&](?:worker|sharedworker|raw|url)\b/
Expand All @@ -21,27 +22,50 @@ const INLINE_STYLE_ID_RE = /[?&]index\=\d+\.css$/
export default function tailwindcss(): Plugin[] {
let servers: ViteDevServer[] = []
let config: ResolvedConfig | null = null
let roots = new Map<string, Root>()

let isSSR = false
let minify = false

let roots: DefaultMap<string, Root> = new DefaultMap((id) => {
let cssResolver = config!.createResolver({
...config!.resolve,
extensions: ['.css'],
mainFields: ['style'],
conditions: ['style', 'development|production'],
tryIndex: false,
preferRelative: true,
})
function customCssResolver(id: string, base: string) {
return cssResolver(id, base, true, isSSR)
}
function createRoot(env: Environment | null, id: string) {
type ResolveFn = (id: string, base: string) => Promise<string | false | undefined>

let customCssResolver: ResolveFn
let customJsResolver: ResolveFn

if (!env) {
// Older, pre-environment Vite API
// TODO: Can we drop this??
let cssResolver = config!.createResolver({
...config!.resolve,
extensions: ['.css'],
mainFields: ['style'],
conditions: ['style', 'development|production'],
tryIndex: false,
preferRelative: true,
})

let jsResolver = config!.createResolver(config!.resolve)

customCssResolver = (id: string, base: string) => cssResolver(id, base, true, isSSR)
customJsResolver = (id: string, base: string) => jsResolver(id, base, true, isSSR)
} else {
// Newer View versions
let cssResolver = vite.createIdResolver(env.config, {
...env.config.resolve,
extensions: ['.css'],
mainFields: ['style'],
conditions: ['style', 'development|production'],
tryIndex: false,
preferRelative: true,
})

let jsResolver = config!.createResolver(config!.resolve)
function customJsResolver(id: string, base: string) {
return jsResolver(id, base, true, isSSR)
let jsResolver = vite.createIdResolver(env.config, env.config.resolve)

customCssResolver = (id: string, base: string) => cssResolver(env, id, base, true)
customJsResolver = (id: string, base: string) => jsResolver(env, id, base, true)
}

return new Root(
id,
config!.root,
Expand All @@ -51,7 +75,7 @@ export default function tailwindcss(): Plugin[] {
customCssResolver,
customJsResolver,
)
})
}

return [
{
Expand Down Expand Up @@ -83,6 +107,10 @@ export default function tailwindcss(): Plugin[] {
DEBUG && I.start('[@tailwindcss/vite] Generate CSS (serve)')

let root = roots.get(id)
if (!root) {
root ??= createRoot(this.environment ?? null, id)
roots.set(id, root)
}

let result = await root.generate(src, (file) => this.addWatchFile(file), I)
if (!result) {
Expand All @@ -108,6 +136,10 @@ export default function tailwindcss(): Plugin[] {
DEBUG && I.start('[@tailwindcss/vite] Generate CSS (build)')

let root = roots.get(id)
if (!root) {
root ??= createRoot(this.environment ?? null, id)
roots.set(id, root)
}

let result = await root.generate(src, (file) => this.addWatchFile(file), I)
if (!result) {
Expand Down