Disallow duplicate params in methods (#9599)

* Disallow duplicate params in methods * Fix plugins
2019-02-27 15:54:07 -08:00
parent 5cb280f986
commit 208195f425
9 changed files with 38 additions and 13 deletions
--- a/packages/babel-parser/src/plugins/estree.js
+++ b/packages/babel-parser/src/plugins/estree.js
@@ -259,8 +259,12 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      return node;
    }

-    parseFunctionBody(node: N.Function, allowExpression: ?boolean): void {
-      super.parseFunctionBody(node, allowExpression);
+    parseFunctionBody(
+      node: N.Function,
+      allowExpression: ?boolean,
+      isMethod?: boolean = false,
+    ): void {
+      super.parseFunctionBody(node, allowExpression, isMethod);
      node.expression = node.body.type !== "BlockStatement";
    }