Fix @babel/core@7.0.0 compatibility

babel · Mar 9, 2022 · 2b2f58a · 2b2f58a
1 parent d1c7ee5
commit 2b2f58a
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/packages/babel-helpers/src/index.ts b/packages/babel-helpers/src/index.ts
@@ -271,7 +271,19 @@ function loadHelper(name: string) {
     const fn = (): File => {
       if (!process.env.BABEL_8_BREAKING) {
         if (!FileClass) {
-          return { ast: file(helper.ast()) } as File;
+          const fakeFile = {
+            ast: file(helper.ast()),
+            code: "[internal Babel helper code]",
+            path: null,
+            inputMap: null,
+          } as File;
+          traverse(fakeFile.ast, {
+            Program(path) {
+              fakeFile.path = path;
+              path.stop();
+            },
+          });
+          return fakeFile;
         }
       }
       return new FileClass(