fix: breaking change

Author: sxzz

packages/compiler-sfc/__tests__/rewriteDefault.spec.ts

@@ -5,7 +5,7 @@ function compileRewriteDefault(code: string, as: string) {
     sourceType: 'module',
     plugins: ['typescript', 'decorators-legacy']
   })
-  return rewriteDefault(code, ast.program.body, as)
+  return rewriteDefault(code, as, undefined, ast.program.body)
 }
 
 describe('compiler sfc: rewriteDefault', () => {

packages/compiler-sfc/src/compileScript.ts

@@ -235,7 +235,12 @@ export function compileScript(
         }
       }
       if (cssVars.length) {
-        content = rewriteDefault(content, scriptAst.body, DEFAULT_VAR)
+        content = rewriteDefault(
+          content,
+          DEFAULT_VAR,
+          undefined,
+          scriptAst.body
+        )
         content += genNormalScriptCssVarsCode(
           cssVars,
           bindings,

packages/compiler-sfc/src/rewriteDefault.ts

@@ -1,4 +1,6 @@
+import { parse } from '@babel/parser'
 import MagicString from 'magic-string'
+import type { ParserPlugin } from '@babel/parser'
 import type { Identifier, Statement } from '@babel/types'
 
 /**
@@ -7,9 +9,17 @@ import type { Identifier, Statement } from '@babel/types'
  */
 export function rewriteDefault(
   input: string,
-  ast: Statement[],
-  as: string
+  as: string,
+  /** @deprecated use `ast` param instead */
+  parserPlugins?: ParserPlugin[],
+  ast?: Statement[]
 ): string {
+  if (!ast)
+    ast = parse(input, {
+      sourceType: 'module',
+      plugins: parserPlugins
+    }).program.body
+
   if (!hasDefaultExport(ast)) {
     return input + `\nconst ${as} = {}`
   }