Script to use sand.define's modules with requirejs

sand2require.js

if (typeof(define) === "undefined"){
  console.log("[ERROR] require.js is not defined");
}         
if (typeof(sand) !== "undefined"){
  console.log("[ERROR] sand is already defined");
}
var sand;
(function(){
  Array.prototype.last = String.prototype.last = function() {
    return this[this.length - 1];
  };

  var parse = function(name){return name.split('/').last()};
  
  sand = {
    define : function(name, requires, fn, options){
      if (typeof(requires) === 'function') {
        fn = requires;
	requires = [];
      } else if (typeof(requires) === 'undefined') requires = []; 
      var amdFn = function(){
	var r = {};
	for (var i = 0; i < arguments.length; i++){
	  var alias = requires[i].split("->")[1] || parse(requires[i]);
	  r[alias] = arguments[i];
        }                         
        return fn(r);
      }
      
      define(name, requires, amdFn);
    }
  };

})();