refactor(vite): 迁移 weapp-vite 6.22 独立分包样式处理

.changeset/funky-keys-greet.md

@@ -2,4 +2,4 @@
 "weapp-tailwindcss": patch
 ---
 
-优化 Generic Vite Web 非 watch 生产构建，跳过未被消费的 source candidate 扫描与模块级跟踪，同时保留开发、watch、跨框架及 CSS 来源追踪链路；避免 weapp-vite 跨构建阶段重复合成独立分包样式。
+优化 Generic Vite Web 非 watch 生产构建，跳过未被消费的 source candidate 扫描与模块级跟踪，同时保留开发、watch、跨框架及 CSS 来源追踪链路；升级 weapp-vite 6.22 后迁移独立分包样式构建并保留单次生成回归。

packages/weapp-tailwindcss/src/bundlers/vite/generate-bundle/css-entry-processing.ts

@@ -1,4 +1,3 @@
-import { isAnonymousConfiguredSubpackageCssOutputReplay } from './css-source-plan'
 import { scheduleViteCssTransform } from './transform-scheduling'
 
 export async function processViteCssBundleEntry(options: any) {
@@ -194,11 +193,8 @@ export async function processViteCssBundleEntry(options: any) {
     debug('css skip raw source style asset: %s -> %s', file, outputFile)
     return
   }
-  const viteProcessedCssRecord = getViteProcessedCssAssetResult?.(file)
-  const hasViteProcessedCssRecord = viteProcessedCssRecord != null
-  const hasViteProcessedCssAssetMarker = isViteProcessedCssAsset?.(originalSource, file) === true
-  let rawSourceAlreadyGenerated = hasViteProcessedCssAssetMarker
-  const viteProcessedCssAsset = rawSourceAlreadyGenerated || hasViteProcessedCssRecord
+  const hasViteProcessedCssRecord = getViteProcessedCssAssetResult?.(file) != null
+  const viteProcessedCssAsset = isViteProcessedCssAsset?.(originalSource, file) === true || hasViteProcessedCssRecord
   const cssAssetIdentity = resolveCssAssetIdentity?.(originalSource, file) ?? {
     kind: viteProcessedCssAsset ? 'bundler-generated' : 'user',
   }
@@ -273,19 +269,6 @@ export async function processViteCssBundleEntry(options: any) {
     sourceRoot: opts.tailwindcssBasedir,
     temporaryOutput: isTemporaryCssAssetFile(outputFile),
   })
-  rawSourceAlreadyGenerated = rawSourceAlreadyGenerated || (
-    opts.appType === 'weapp-vite'
-    && isAnonymousConfiguredSubpackageCssOutputReplay({
-      assetSourceFile,
-      configuredSourceFileKeys: configuredTailwindV4CssSourceFileKeysForScope,
-      file,
-      isSubpackageOutput: currentSubpackageRoots != null
-        && isSubpackageOutputFile(file, currentSubpackageRoots),
-      normalizeConfiguredSourceFile: normalizeConfiguredTailwindV4CssEntryFileKey,
-      originalFileNames: originalSource.originalFileNames,
-      plan: cssSourcePlan,
-    })
-  )
   outputFile = cssSourcePlan.outputFile
   activeViteCssCacheFiles.add(normalizeViteCssCacheKey(outputFile))
   let outputCssHandlerOptions = getCssHandlerOptions(outputFile)
@@ -469,7 +452,6 @@ export async function processViteCssBundleEntry(options: any) {
     outputFile,
     processViteCssCacheTask,
     rawSource,
-    rawSourceAlreadyGenerated,
     recordCssAssetResult,
     recordViteProcessedCssAssetResult,
     rememberedCssRuntimeSignature,

packages/weapp-tailwindcss/src/bundlers/vite/generate-bundle/css-source-plan.ts

@@ -32,24 +32,6 @@ export interface ViteCssSourcePlan extends RememberedCssSourcePlan {
     | 'unresolved'
 }
 
-export function isAnonymousConfiguredSubpackageCssOutputReplay(options: {
-  assetSourceFile: string
-  configuredSourceFileKeys: ReadonlySet<string>
-  file: string
-  isSubpackageOutput: boolean
-  normalizeConfiguredSourceFile: (file: string) => string
-  originalFileNames?: readonly string[] | undefined
-  plan: ViteCssSourcePlan
-}) {
-  return options.isSubpackageOutput
-    && (options.originalFileNames?.length ?? 0) === 0
-    && normalizeOutputPathKey(options.assetSourceFile) === normalizeOutputPathKey(options.file)
-    && options.plan.hasUsableTailwindSource
-    && options.plan.sources.some(source =>
-      options.configuredSourceFileKeys.has(options.normalizeConfiguredSourceFile(source.sourceFile)),
-    )
-}
-
 function hasTailwindPluginDirective(source: string) {
   return /@plugin\b/.test(source)
 }

packages/weapp-tailwindcss/src/bundlers/vite/generate-bundle/css-transform-task.ts

@@ -41,7 +41,6 @@ export interface ExecuteViteCssTransformTaskOptions {
   outputFile: string
   previousCss?: string | undefined
   rawSource: string
-  rawSourceAlreadyGenerated?: boolean | undefined
   removeRootCoveredCssFromScopedAsset: (css: string) => string
   runtime: Set<string>
   runtimeState: TailwindV4GenerationCoreInput['runtimeState']
@@ -54,7 +53,6 @@ export interface ExecuteViteCssTransformTaskOptions {
 
 function resolveGeneratorUserRawSource(options: ExecuteViteCssTransformTaskOptions) {
   const bundleUserRawSource = options.vitePipelineCssAsset
-    && options.rawSourceAlreadyGenerated !== true
     && !hasBundlerGeneratedCssMarker(options.rawSource)
     && normalizeCssSourceForCompare(options.rawSource)
     !== normalizeCssSourceForCompare(options.generatorRawSource)

packages/weapp-tailwindcss/src/bundlers/vite/generate-bundle/transform-scheduling.ts

@@ -42,7 +42,6 @@ export function scheduleViteCssTransform(options: any) {
     outputFile,
     processViteCssCacheTask,
     rawSource,
-    rawSourceAlreadyGenerated,
     recordCssAssetResult,
     recordViteProcessedCssAssetResult,
     rememberedCssRuntimeSignature,
@@ -93,7 +92,6 @@ export function scheduleViteCssTransform(options: any) {
       outputFile,
       previousCss,
       rawSource,
-      rawSourceAlreadyGenerated,
       removeRootCoveredCssFromScopedAsset,
       runtime: scopedGeneratorRuntime,
       runtimeState,

packages/weapp-tailwindcss/test/bundlers/vite-css-transform-task.unit.test.ts

@@ -142,20 +142,4 @@ describe('vite css transform task', () => {
       userRawSource: '.layer {}\nmini:user:.user {}',
     }))
   })
-
-  it('does not restore a prior generated bundle result as user css', async () => {
-    const generateCss = vi.fn(async () => undefined)
-    await executeViteCssTransformTask(createOptions({
-      generateCss,
-      generatorRawSource: '@import "tailwindcss";',
-      generatorUserLayerRawSource: '.layer {}',
-      rawSource: '.already-generated {}',
-      rawSourceAlreadyGenerated: true,
-      vitePipelineCssAsset: true,
-    }))
-
-    expect(generateCss).toHaveBeenCalledWith(expect.objectContaining({
-      userRawSource: '.layer {}',
-    }))
-  })
 })

packages/weapp-tailwindcss/test/bundlers/vite-remembered-css-plan.unit.test.ts

@@ -1,7 +1,7 @@
 import type { OutputAsset } from 'rollup'
 import { describe, expect, it, vi } from 'vitest'
 import { resolveViteCssCompositionPlan } from '@/bundlers/vite/generate-bundle/css-composition-plan'
-import { isAnonymousConfiguredSubpackageCssOutputReplay, resolveViteCssSourcePlan } from '@/bundlers/vite/generate-bundle/css-source-plan'
+import { resolveViteCssSourcePlan } from '@/bundlers/vite/generate-bundle/css-source-plan'
 import { resolveRememberedCssSourcePlan } from '@/bundlers/vite/generate-bundle/remembered-css-plan'
 
 function createAsset(fileName: string, source = ''): OutputAsset {
@@ -215,44 +215,6 @@ describe('vite css source plan', () => {
     expect(plan.usedConfiguredSourceFiles).toEqual([sourceFile])
   })
 
-  it('identifies anonymous configured output replays without classifying source-owned assets', () => {
-    const sourceFile = '/repo/src/sub-independent/pages/index.css'
-    const plan = {
-      forceNonMainChunk: false,
-      hasUsableTailwindSource: true,
-      outputFile: 'sub-independent/pages/index.wxss',
-      resolution: 'configured' as const,
-      resolvedFromTemporarySource: false,
-      sources: [{
-        outputFile: 'sub-independent/pages/index.wxss',
-        rawSource: '@import "tailwindcss";',
-        sourceFile,
-      }],
-      usedConfiguredSourceFiles: [sourceFile],
-    }
-    const options = {
-      assetSourceFile: 'sub-independent/pages/index.wxss',
-      configuredSourceFileKeys: new Set([sourceFile]),
-      file: 'sub-independent/pages/index.wxss',
-      isSubpackageOutput: true,
-      normalizeConfiguredSourceFile: (file: string) => file,
-      originalFileNames: [] as string[],
-      plan,
-    }
-
-    expect(isAnonymousConfiguredSubpackageCssOutputReplay(options)).toBe(true)
-    expect(isAnonymousConfiguredSubpackageCssOutputReplay({
-      ...options,
-      assetSourceFile: sourceFile,
-      originalFileNames: [sourceFile],
-    })).toBe(false)
-    expect(isAnonymousConfiguredSubpackageCssOutputReplay({
-      ...options,
-      file: 'app.wxss',
-      isSubpackageOutput: false,
-    })).toBe(false)
-  })
-
   it('resolves a source style from the compilation snapshot', async () => {
     const sourceFile = '/repo/src/pages/index/index.scss'
     const plan = await resolveViteCssSourcePlan(createCssSourceOptions({