fix a catch param property identifier incorrectly being replaced when exploding statements in generators - fixes #301

2014-12-16 08:08:06 +11:00
parent 49578fe223
commit 882ed48438
1 changed files with 2 additions and 1 deletions
--- a/lib/6to5/transformation/transformers/es6-generators/emit/explode-statements.js
+++ b/lib/6to5/transformation/transformers/es6-generators/emit/explode-statements.js
@@ -297,7 +297,8 @@ exports.TryStatement = function (path, stmt) {

      types.visit(bodyPath, {
        visitIdentifier: function (path) {
-          if (path.value.name === catchParamName &&
+          if (t.isReferenced(path.value, path.parentPath.node) &&
+              path.value.name === catchParamName &&
              path.scope.lookup(catchParamName) === catchScope) {
            return safeParam;
          }