make typeofSymbol transformer optional

2015-01-05 10:21:32 +11:00
parent f85eeeb93c
commit cf7b9234c1
1 changed files with 2 additions and 0 deletions
--- a/lib/6to5/transformation/transformers/optional-typeof-symbol.js
+++ b/lib/6to5/transformation/transformers/optional-typeof-symbol.js
@@ -1,5 +1,7 @@
 var t = require("../../types");

+exports.optional = true;
+
 exports.UnaryExpression = function (node, parent, file, scope) {
  if (node.operator === "typeof") {
    return t.callExpression(file.addHelper("typeof"), [node.argument]);