Scratch 📦 adder

packageAdder.user.js

// ==UserScript==
// @name         :package: adder
// @namespace    http://aputurk.tk/
// @version      0.1
// @description  Adds the :package: emoticon
// @author       MegaApuTurkUltra
// @match        https://scratch.mit.edu/discuss/*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

var test = document.getElementsByClassName("markItUpEditor");
if(test.length > 0){
    var editor = test[0];
    var emoticonFunc = function(){
        editor.value = editor.value.replace(/:package:/g, "[img]http://i67.tinypic.com/24wsdo6.png[/img]");
    };
    if(editor.onkeyup != null){
        var delegate = editor.onkeyup;
        editor.onkeyup = function(){
            emoticonFunc();
            delegate();
        };
    } else {
        editor.onkeyup = emoticonFunc;
    }
}