check parent for variable collisions when remapping closurified block scopes - fixes #915, closes #922

2015-03-02 01:27:58 +11:00
parent 27a8f2d2ea
commit 63f25ab038
3 changed files with 17 additions and 1 deletions
--- a/src/babel/transformation/transformers/es6/block-scoping.js
+++ b/src/babel/transformation/transformers/es6/block-scoping.js
@@ -327,7 +327,7 @@ class BlockScoping {
      for (var name in outsideRefs) {
        var id = outsideRefs[name];

-        if (this.scope.hasGlobal(id.name)) {
+        if (this.scope.hasGlobal(id.name) || this.scope.parentHasBinding(id.name)) {
          delete outsideRefs[id.name];
          delete this.letReferences[id.name];