if (typeof Object.assign != 'function') {
	(function () {
	  Object.assign = function (target) {
	    'use strict';
	    // We must check against these specific cases.
	    if (target === undefined || target === null) {
	      throw new TypeError('Cannot convert undefined or null to object');
	    }
	    var output = Object(target)
	    for (var index = 1; index < arguments.length; index++) {
	      var source = arguments[index]
	      if (source !== undefined && source !== null) {
	        for (var nextKey in source) {
	          if (source.hasOwnProperty(nextKey)) {
	            output[nextKey] = source[nextKey]
	          }
	        }
	      }
	    }
	    return output
	  }
	})();
}