1/***
 2 * @method namespace([init] = global)
 3 * @author andrewplummer
 4 * @returns Mixed
 5 * @short Finds the namespace or property indicated by the string.
 6 * @extra [init] can be passed to provide a starting context, otherwise the global context will be used. If any level returns a falsy value, that will be the final result.
 7 * @dependencies ES5
 8 * @example
 9 *
10 *   'Path.To.Namespace'.namespace() -> Path.To.Namespace
11 *   '$.fn'.namespace()              -> $.fn
12 *
13 ***/
14
15(function(global) {
16
17  String.extend({
18
19    'namespace': function(context) {
20      context = context || global;
21      this.split('.').every(function(s, i) {
22        return !!(context = context[s]);
23      });
24      return context;
25    }
26
27  });
28
29})(this);