Fix tscheck

babel · May 17, 2023 · 893442d · 893442d
1 parent 3017634
commit 893442d
Showing 1 changed file with 16 additions and 3 deletions.
diff --git a/packages/babel-parser/src/plugins/placeholders.ts b/packages/babel-parser/src/plugins/placeholders.ts
@@ -302,12 +302,25 @@ export default (superClass: typeof Parser) =>
       return super.isExportDefaultSpecifier();
     }
 
-    maybeParseExportDefaultSpecifier(node: N.Node): boolean {
-      if (node.specifiers && node.specifiers.length > 0) {
+    maybeParseExportDefaultSpecifier(
+      node: Undone<
+        | N.ExportDefaultDeclaration
+        | N.ExportAllDeclaration
+        | N.ExportNamedDeclaration
+      >,
+      maybeDefaultIdentifier: N.Identifier | null,
+    ): node is Undone<N.ExportNamedDeclaration> {
+      if (
+        (node as N.ExportNamedDeclaration).specifiers &&
+        (node as N.ExportNamedDeclaration).specifiers.length > 0
+      ) {
         // "export %%NAME%%" has already been parsed by #parseExport.
         return true;
       }
-      return super.maybeParseExportDefaultSpecifier(node);
+      return super.maybeParseExportDefaultSpecifier(
+        node,
+        maybeDefaultIdentifier,
+      );
     }
 
     checkExport(node: N.ExportNamedDeclaration): void {