Added vnode as last argument to event handler

modules/eventlisteners.js

@@ -1,14 +1,14 @@
 function invokeHandler(handler, vnode, event) {
   if (typeof handler === "function") {
     // call function handler
-    handler.call(vnode, event);
+    handler.call(vnode, event, vnode);
   } else if (typeof handler === "object") {
     // call handler with arguments
     if (typeof handler[0] === "function") {
       // special case for single argument for performance
       handler.length === 2 ?
-        handler[0].call(vnode, handler[1], event) :
-        handler[0].apply(vnode, handler.slice(1).concat(event));
+        handler[0].call(vnode, handler[1], event, vnode) :
+        handler[0].apply(vnode, handler.slice(1).concat(event, vnode));
     } else {
       // call multiple handlers
       for (var i = 0; i < handler.length; i++) {

test/eventlisteners.js

@@ -69,7 +69,7 @@ describe('event listeners', function() {
   });
   it('handles changed several values in array', function() {
     var result = [];
-    function clicked() { result.push([].slice.call(arguments, 0, arguments.length-1)); }
+    function clicked() { result.push([].slice.call(arguments, 0, arguments.length-2)); }
     var vnode1 = h('div', {on: {click: [clicked, 1, 2, 3]}}, [
       h('a', 'Click my parent'),
     ]);
@@ -121,14 +121,39 @@ describe('event listeners', function() {
   });
   it('access to virtual node in event handler', function() {
     var result = [];
-    function clicked(ev) { result.push(this); }
+    function clicked(ev, vnode) { result.push(this); result.push(vnode); }
     var vnode1 = h('div', {on: {click: clicked }}, [
       h('a', 'Click my parent'),
     ]);
     elm = patch(vnode0, vnode1).elm;
     elm.click();
-    assert.equal(1, result.length);
+    assert.equal(2, result.length);
+    assert.equal(vnode1, result[0]);
+    assert.equal(vnode1, result[1]);
+  }),
+  it('access to virtual node in event handler with argument', function() {
+    var result = [];
+    function clicked(arg, ev, vnode) { result.push(this); result.push(vnode); }
+    var vnode1 = h('div', {on: {click: [clicked, 1] }}, [
+      h('a', 'Click my parent'),
+    ]);
+    elm = patch(vnode0, vnode1).elm;
+    elm.click();
+    assert.equal(2, result.length);
+    assert.equal(vnode1, result[0]);
+    assert.equal(vnode1, result[1]);
+  }),
+  it('access to virtual node in event handler with arguments', function() {
+    var result = [];
+    function clicked(arg1, arg2, ev, vnode) { result.push(this); result.push(vnode); }
+    var vnode1 = h('div', {on: {click: [clicked, 1, "2"] }}, [
+      h('a', 'Click my parent'),
+    ]);
+    elm = patch(vnode0, vnode1).elm;
+    elm.click();
+    assert.equal(2, result.length);
     assert.equal(vnode1, result[0]);
+    assert.equal(vnode1, result[1]);
   });
   it('shared handlers in parent and child nodes', function() {
     var result = [];