feat(Hammer Global): exposes Hammer on window or self if either is defined to avoid issues when AMD is present but not used.

Author: runspired

src/expose.js

@@ -50,6 +50,11 @@ extend(Hammer, {
     prefixed: prefixed
 });
 
+// this prevents errors when Hammer is loaded in the presence of an AMD
+//  style loader but by script tag, not by the loader.
+var freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {}));
+freeGlobal.Hammer = Hammer;
+
 if (typeof define === 'function' && define.amd) {
     define(function() {
         return Hammer;