Make sure Symbol is defined on older js engines

2016-05-22 22:08:18 +02:00 · 2016-05-22 22:08:18 +02:00 · 5cfefd0c41
commit 5cfefd0c41
parent df00507fb3
1 changed files with 6 additions and 0 deletions
--- a/lib/propmangle.js
+++ b/lib/propmangle.js
@ -44,6 +44,12 @@
 "use strict";

 function find_builtins() {
+
+    // Compatibility fix for es5.1 and earlier where Symbol isn't defined
+    if (!global.Symbol) {
+        global.Symbol = new Function();
+    }
+
    var a = [];
    [ Object, Array, Function, Number,
      String, Boolean, Error, Math,