fix: block.scoped is undefined

packages/plugin-vue/src/index.ts

@@ -223,7 +223,7 @@ export default function vuePlugin(rawOptions: Options = {}): Plugin {
         )
       } else {
         // sub block request
-        const descriptor = getDescriptor(filename, options)!
+        const descriptor = getDescriptor(filename, options, true, id)!
         if (query.type === 'template') {
           return transformTemplateAsModule(code, descriptor, options, this, ssr)
         } else if (query.type === 'style') {

packages/plugin-vue/src/main.ts

@@ -312,7 +312,7 @@ async function genStyleCode(
       const attrsQuery = attrsToQuery(style.attrs, 'css')
       const srcQuery = style.src ? `&src` : ``
       const directQuery = asCustomElement ? `&inline` : ``
-      const query = `?vue&type=style&index=${i}${srcQuery}${directQuery}`
+      const query = `?vue&type=style&index=${i}${srcQuery}${directQuery}&target=${descriptor.filename}`
       const styleRequest = src + query + attrsQuery
       if (style.module) {
         if (asCustomElement) {

packages/plugin-vue/src/utils/descriptorCache.ts

@@ -12,7 +12,7 @@ export interface SFCParseResult {
   errors: Array<CompilerError | SyntaxError>
 }
 
-const cache = new Map<string, SFCDescriptor>()
+const cache = new Map<string, SFCDescriptor | Array<SFCDescriptor>>()
 const prevCache = new Map<string, SFCDescriptor | undefined>()
 
 export function createDescriptor(
@@ -48,10 +48,21 @@ export function setPrevDescriptor(
 export function getDescriptor(
   filename: string,
   options: ResolvedOptions,
-  createIfNotFound = true
+  createIfNotFound = true,
+  id?: string
 ): SFCDescriptor | undefined {
   if (cache.has(filename)) {
-    return cache.get(filename)!
+    const ds = cache.get(filename)
+    if (Array.isArray(ds) && id && id.includes('target')) {
+      let target = /target=(.+)/.exec(id)?.[1]
+      if (target?.includes('&')) {
+        target = /(.+)&/.exec(target)?.[1]
+      }
+      if (target) {
+        return ds.find(({ filename }) => filename === target)
+      }
+    }
+    return ds as SFCDescriptor
   }
   if (createIfNotFound) {
     const { descriptor, errors } = createDescriptor(
@@ -67,5 +78,14 @@ export function getDescriptor(
 }
 
 export function setDescriptor(filename: string, entry: SFCDescriptor): void {
+  const ds = cache.get(filename)
+  if (ds) {
+    if (Array.isArray(ds)) {
+      cache.set(filename, [...ds, entry])
+    } else {
+      cache.set(filename, [ds, entry])
+    }
+    return
+  }
   cache.set(filename, entry)
 }