fix: include v3 bundle candidates in vite hmr

Author: sonofmagic

.changeset/fast-v3-bundle-candidates.md

@@ -0,0 +1,5 @@
+---
+"weapp-tailwindcss": patch
+---
+
+修复 Tailwind CSS v3 在 Vite 增量构建中只使用 source scan 候选集时遗漏当前 bundle 新增类名的问题，避免 WXML 已转义但 WXSS 未生成对应样式。

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

@@ -40,6 +40,7 @@ interface GenerateBundleContext {
     forceRefresh?: boolean,
     options?: {
       allowBaselineOnlyInitialSync?: boolean | undefined
+      baseClassSet?: Set<string> | undefined
     },
   ) => Promise<Set<string>>
   debug: (format: string, ...args: unknown[]) => void
@@ -168,7 +169,10 @@ export function createGenerateBundleHook(context: GenerateBundleContext) {
       && !disableV3OxideSourceRuntime
     const runtimeStart = performance.now()
     const runtime = useV3OxideSourceRuntime
-      ? new Set<string>()
+      ? await ensureBundleRuntimeClassSet(snapshot, forceRuntimeRefreshByEnv, {
+          allowBaselineOnlyInitialSync: true,
+          baseClassSet: sourceCandidates,
+        })
       : useBundleRuntimeClassSet
         ? await ensureBundleRuntimeClassSet(snapshot, forceRuntimeRefreshByEnv, {
             allowBaselineOnlyInitialSync: buildCommand,

packages/weapp-tailwindcss/src/bundlers/vite/runtime-class-set.ts

@@ -113,6 +113,7 @@ export function createViteRuntimeClassSet(options: CreateViteRuntimeClassSetOpti
     forceRefresh = false,
     options: {
       allowBaselineOnlyInitialSync?: boolean | undefined
+      baseClassSet?: Set<string> | undefined
     } = {},
   ) {
     const forceRuntimeRefresh = forceRefresh || process.env['WEAPP_TW_VITE_FORCE_RUNTIME_REFRESH'] === '1'
@@ -144,8 +145,8 @@ export function createViteRuntimeClassSet(options: CreateViteRuntimeClassSetOpti
 
     if (runtimeState.twPatcher.majorVersion === 3 && !forceRuntimeRefresh) {
       try {
-        let baseClassSet: Set<string> | undefined
-        if (!runtimeSet || shouldRefreshPatcher) {
+        let baseClassSet = options.baseClassSet
+        if (!baseClassSet && (!runtimeSet || shouldRefreshPatcher)) {
           baseClassSet = await collectRuntimeClassSet(runtimeState.twPatcher, {
             force: true,
             skipRefresh: shouldRefreshPatcher,