v2.0.4

Author: fnogatz

dist/chr-wop.min.js

@@ -82,18 +82,11 @@ EventEmitter.prototype.emit = function(type) {
         break;
       // slower
       default:
-        len = arguments.length;
-        args = new Array(len - 1);
-        for (i = 1; i < len; i++)
-          args[i - 1] = arguments[i];
+        args = Array.prototype.slice.call(arguments, 1);
         handler.apply(this, args);
     }
   } else if (isObject(handler)) {
-    len = arguments.length;
-    args = new Array(len - 1);
-    for (i = 1; i < len; i++)
-      args[i - 1] = arguments[i];
-
+    args = Array.prototype.slice.call(arguments, 1);
     listeners = handler.slice();
     len = listeners.length;
     for (i = 0; i < len; i++)
@@ -131,7 +124,6 @@ EventEmitter.prototype.addListener = function(type, listener) {
 
   // Check for listener leak
   if (isObject(this._events[type]) && !this._events[type].warned) {
-    var m;
     if (!isUndefined(this._maxListeners)) {
       m = this._maxListeners;
     } else {
@@ -253,7 +245,7 @@ EventEmitter.prototype.removeAllListeners = function(type) {
 
   if (isFunction(listeners)) {
     this.removeListener(type, listeners);
-  } else {
+  } else if (listeners) {
     // LIFO order
     while (listeners.length)
       this.removeListener(type, listeners[listeners.length - 1]);
@@ -274,15 +266,20 @@ EventEmitter.prototype.listeners = function(type) {
   return ret;
 };
 
+EventEmitter.prototype.listenerCount = function(type) {
+  if (this._events) {
+    var evlistener = this._events[type];
+
+    if (isFunction(evlistener))
+      return 1;
+    else if (evlistener)
+      return evlistener.length;
+  }
+  return 0;
+};
+
 EventEmitter.listenerCount = function(emitter, type) {
-  var ret;
-  if (!emitter._events || !emitter._events[type])
-    ret = 0;
-  else if (isFunction(emitter._events[type]))
-    ret = 1;
-  else
-    ret = emitter._events[type].length;
-  return ret;
+  return emitter.listenerCount(type);
 };
 
 function isFunction(arg) {
@@ -2521,7 +2518,7 @@ function hash (ids) {
   CHR.History = Runtime.History
   CHR.Rule = Rule
 
-  CHR.version = '2.0.3'
+  CHR.version = '2.0.4'
 
   CHR.noConflict = function () {
     root.CHR = prevCHR