fix: opt-out if it's a precompiled file

Author: sapphi-red

packages/plugin-vue/src/index.ts

@@ -13,6 +13,7 @@ import { version } from '../package.json'
 import { resolveCompiler } from './compiler'
 import { parseVueRequest } from './utils/query'
 import {
+  type ExtendedSFCDescriptor,
   getDescriptor,
   getSrcDescriptor,
   getTempSrcDescriptor,
@@ -382,7 +383,7 @@ export default function vuePlugin(rawOptions: Options = {}): Plugin<Api> {
         )
       } else {
         // sub block request
-        const descriptor = query.src
+        const descriptor: ExtendedSFCDescriptor = query.src
           ? getSrcDescriptor(filename, query) ||
             getTempSrcDescriptor(filename, query)
           : getDescriptor(filename, options.value)!

packages/plugin-vue/src/style.ts

@@ -1,13 +1,13 @@
-import type { SFCDescriptor } from 'vue/compiler-sfc'
 import type { ExistingRawSourceMap, TransformPluginContext } from 'rollup'
 import type { RawSourceMap } from 'source-map-js'
 import { formatPostcssSourceMap } from 'vite'
+import type { ExtendedSFCDescriptor } from './utils/descriptorCache'
 import type { ResolvedOptions } from './index'
 
 // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
 export async function transformStyle(
   code: string,
-  descriptor: SFCDescriptor,
+  descriptor: ExtendedSFCDescriptor,
   index: number,
   options: ResolvedOptions,
   pluginContext: TransformPluginContext,
@@ -62,12 +62,13 @@ export async function transformStyle(
   return {
     code: result.code,
     map: map,
-    meta: block.scoped
-      ? {
-          vite: {
-            cssScopeTo: [descriptor.filename, 'default'],
-          },
-        }
-      : undefined,
+    meta:
+      block.scoped && !descriptor.isTemp
+        ? {
+            vite: {
+              cssScopeTo: [descriptor.filename, 'default'],
+            },
+          }
+        : undefined,
   }
 }

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

@@ -75,6 +75,10 @@ export function invalidateDescriptor(filename: string, hmr = false): void {
   }
 }
 
+export interface ExtendedSFCDescriptor extends SFCDescriptor {
+  isTemp?: boolean
+}
+
 export function getDescriptor(
   filename: string,
   options: ResolvedOptions,
@@ -113,7 +117,7 @@ export function getSrcDescriptor(
 export function getTempSrcDescriptor(
   filename: string,
   query: VueQuery,
-): SFCDescriptor {
+): ExtendedSFCDescriptor {
   // this is only used for pre-compiled <style src> with scoped flag
   return {
     filename,
@@ -124,9 +128,10 @@ export function getTempSrcDescriptor(
         loc: {
           start: { line: 0, column: 0 },
         },
-      },
+      } as any,
     ],
-  } as SFCDescriptor
+    isTemp: true,
+  } as ExtendedSFCDescriptor
 }
 
 export function setSrcDescriptor(