Restructured library.

lib/3rdparty/systemjs/babel-helpers/temporalRef.js

@@ -0,0 +1,7 @@
+export default (function (val, name, undef) {
+  if (val === undef) {
+    throw new ReferenceError(name + " is not defined - temporal dead zone");
+  } else {
+    return val;
+  }
+});