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Improve event binding

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This commit is contained in:
Tomas Sardyha 2016-12-03 11:57:46 +01:00
parent 23d0939647
commit 3e44c9234c
1 changed files with 3 additions and 2 deletions
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5
render/render.js
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@ -515,15 +515,16 @@ module.exports = function($window) {
//event
function updateEvent(vnode, key, value) {
var element = vnode.dom
var callback = function(e) {
var callback = typeof onevent !== "function" ? value : function(e) {
var result = value.call(element, e)
if (typeof onevent === "function") onevent.call(element, e)
onevent.call(element, e)
return result
}
if (key in element) element[key] = typeof value === "function" ? callback : null
else {
var eventName = key.slice(2)
if (vnode.events === undefined) vnode.events = {}
if (vnode.events[key] === callback) return
if (vnode.events[key] != null) element.removeEventListener(eventName, vnode.events[key], false)
if (typeof value === "function") {
vnode.events[key] = callback