javascripts/shuriken/mixins/callbacks.js in shuriken-0.1.3.1 vs javascripts/shuriken/mixins/callbacks.js in shuriken-0.1.4

@@ -1,40 +1,42 @@
 var __slice = Array.prototype.slice;
 Shuriken.defineExtension(function(baseNS) {
   return baseNS.defineMixin('Callbacks', function(mixin) {
     mixin.callbacks = {};
-    mixin.defineCallback = function defineCallback(key) {
+    mixin.defineCallback = function(key) {
       this[("on" + key)] = function(callback) {
         return this.hasCallback(key, callback);
       };
       this[("invoke" + key)] = function() {
         var args;
-        args = __slice.call(arguments, 0, arguments.length - 0);
+        var _a = arguments.length, _b = _a >= 1;
+        args = __slice.call(arguments, 0, _a - 0);
         return this.invokeCallbacks.apply(this, [key].concat(args));
       };
       return true;
     };
-    mixin.hasCallback = function hasCallback(name, callback) {
+    mixin.hasCallback = function(name, callback) {
       var _a, callbacks;
       callbacks = mixin.callbacks[name] = (typeof (_a = mixin.callbacks[name]) !== "undefined" && _a !== null) ? mixin.callbacks[name] : [];
       callbacks.push(callback);
       return true;
     };
-    mixin.callbacksFor = function callbacksFor(name) {
+    mixin.callbacksFor = function(name) {
       var existing;
       existing = mixin.callbacks[name];
       if ((typeof existing !== "undefined" && existing !== null)) {
         return existing;
       } else {
         return [];
       }
     };
-    mixin.invokeCallbacks = function invokeCallbacks(name) {
-      var _a, _b, _c, args, callback;
-      args = __slice.call(arguments, 1, arguments.length - 0);
-      _b = mixin.callbacksFor(name);
-      for (_a = 0, _c = _b.length; _a < _c; _a++) {
-        callback = _b[_a];
+    mixin.invokeCallbacks = function(name) {
+      var _c, _d, _e, args, callback;
+      var _a = arguments.length, _b = _a >= 2;
+      args = __slice.call(arguments, 1, _a - 0);
+      _d = mixin.callbacksFor(name);
+      for (_c = 0, _e = _d.length; _c < _e; _c++) {
+        callback = _d[_c];
         if (callback.apply(this, args) === false) {
           return false;
         }
       }
       return true;
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