fix(compiler-sfc): fix rewriteDefault problem when using @babel/parser^7.20.0

Author: linshuohao

package.json

@@ -87,7 +87,7 @@
     "csstype": "^3.1.0"
   },
   "devDependencies": {
-    "@babel/parser": "^7.18.4",
+    "@babel/parser": "^7.20.5",
     "@microsoft/api-extractor": "^7.25.0",
     "@rollup/plugin-alias": "^3.1.9",
     "@rollup/plugin-commonjs": "^22.0.0",

packages/compiler-sfc/package.json

@@ -8,12 +8,12 @@
     "dist"
   ],
   "dependencies": {
-    "@babel/parser": "^7.18.4",
+    "@babel/parser": "^7.20.5",
     "postcss": "^8.4.14",
     "source-map": "^0.6.1"
   },
   "devDependencies": {
-    "@babel/types": "^7.19.4",
+    "@babel/types": "^7.20.5",
     "@types/estree": "^0.0.48",
     "@types/hash-sum": "^1.0.0",
     "@types/lru-cache": "^5.1.1",

packages/compiler-sfc/src/rewriteDefault.ts

@@ -43,7 +43,19 @@ export function rewriteDefault(
   ast.forEach(node => {
     if (node.type === 'ExportDefaultDeclaration') {
       if (node.declaration.type === 'ClassDeclaration') {
-        s.overwrite(node.start!, node.declaration.id.start!, `class `)
+        if (
+          node.declaration.decorators &&
+          node.start === node.declaration.start
+        ) {
+          s.overwrite(
+            node.declaration.decorators[node.declaration.decorators.length - 1]
+              .end! + 1,
+            node.declaration.id.start!,
+            `class `
+          )
+        } else {
+          s.overwrite(node.start!, node.declaration.start!, ``)
+        }
         s.append(`\nconst ${as} = ${node.declaration.id.name}`)
       } else {
         s.overwrite(node.start!, node.declaration.start!, `const ${as} = `)