Created
November 18, 2019 20:08
-
-
Save CarlMungazi/727ccba176f7c9ec69e2f93a4dbbff9f to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function updateEvent(vnode, key, value) { | |
if (vnode.events != null) { | |
if (vnode.events[key] === value) return | |
if (value != null && (typeof value === "function" || typeof value === "object")) { | |
if (vnode.events[key] == null) vnode.dom.addEventListener(key.slice(2), vnode.events, false) | |
vnode.events[key] = value | |
} else { | |
if (vnode.events[key] != null) vnode.dom.removeEventListener(key.slice(2), vnode.events, false) | |
vnode.events[key] = undefined | |
} | |
} else if (value != null && (typeof value === "function" || typeof value === "object")) { | |
vnode.events = new EventDict() | |
vnode.dom.addEventListener(key.slice(2), vnode.events, false) | |
vnode.events[key] = value | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment