support event properties passed to trigger() or $.Event()

src/event.js

@@ -174,7 +174,7 @@
   }
 
   $.fn.trigger = function(event, data){
-    if (typeof event == 'string') event = $.Event(event)
+    if (typeof event == 'string' || $.isPlainObject(event)) event = $.Event(event)
     fix(event)
     event.data = data
     return this.each(function(){
@@ -219,6 +219,7 @@
   })
 
   $.Event = function(type, props) {
+    if (typeof type != 'string') props = type, type = props.type
     var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true
     if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])
     event.initEvent(type, bubbles, true, null, null, null, null, null, null, null, null, null, null, null, null)

test/zepto.html

@@ -2172,6 +2172,24 @@ <h1>Zepto DOM unit tests</h1>
 
         var e4 = $.Event('custom', {bubbles: false})
         t.assertFalse(e4.bubbles)
+
+        var e5 = $.Event({ type: 'keyup', keyCode: 40 })
+        t.assertEqual('keyup', e5.type)
+        t.assertEqual(40, e5.keyCode)
+      },
+
+      testTriggerObject: function(t){
+        var el = $('#some_element'),
+            eventType, eventCode
+
+        el.on('keyup', function(e){
+          eventType = e.type
+          eventCode = e.keyCode
+        })
+        el.trigger({ type: 'keyup', keyCode: 40 })
+
+        t.assertEqual('keyup', eventType)
+        t.assertEqual(40, eventCode)
       },
 
       testTriggerEventObject: function(t){