change .has to .hasListeners

as per guillermo request, which makes sense! inheriting
from emitter and then overriding .has with your own thing
could potentially suck

index.js

@@ -101,6 +101,18 @@ Emitter.prototype.emit = function(event){
   return this;
 };
 
+/**
+ * Return array of callbacks for `event`.
+ *
+ * @param {String} event
+ * @return {Array}
+ * @api public
+ */
+
+Emitter.prototype.listeners = function(event){
+  return this.callbacks[event] || [];
+};
+
 /**
  * Check if this emitter has `event` handlers.
  *
@@ -109,8 +121,7 @@ Emitter.prototype.emit = function(event){
  * @api public
  */
 
-Emitter.prototype.has = function(event){
-  var fns = this.callbacks[event];
-  return !!(fns && fns.length);
+Emitter.prototype.hasListeners = function(event){
+  return !! this.listeners(event).length;
 };
 

test/emitter.js

@@ -109,19 +109,37 @@ describe('Emitter', function(){
     })
   })
 
-  describe('.has(event)', function(){
+  describe('.listeners(event)', function(){
+    describe('when handlers are present', function(){
+      it('should return an array of callbacks', function(){
+        var emitter = new Emitter;
+        function foo(){}
+        emitter.on('foo', foo);
+        emitter.listeners('foo').should.eql([foo]);
+      })
+    })
+
+    describe('when no handlers are present', function(){
+      it('should return an empty array', function(){
+        var emitter = new Emitter;
+        emitter.listeners('foo').should.eql([]);
+      })
+    })
+  })
+
+  describe('.hasListeners(event)', function(){
     describe('when handlers are present', function(){
       it('should return true', function(){
         var emitter = new Emitter;
         emitter.on('foo', function(){});
-        emitter.has('foo').should.be.true;
+        emitter.hasListeners('foo').should.be.true;
       })
     })
 
     describe('when no handlers are present', function(){
       it('should return false', function(){
         var emitter = new Emitter;
-        emitter.has('foo').should.be.false;
+        emitter.hasListeners('foo').should.be.false;
       })
     })
   })