Scratch 📦 adder

packageAdder.user.js

// ==UserScript==
// @name         :package: adder
// @namespace    http://aputurk.tk/
// @version      0.2
// @description  Adds the :package: emoticon
// @author       MegaApuTurkUltra
// @match        https://scratch.mit.edu/discuss/*
// @grant        none
// ==/UserScript==
/* jshint -W097 */

var test = document.getElementsByClassName("markItUpEditor");
var icons = []
var newEmoji = function(text, url){
    icons.push([RegExp(text), "[img]" + url + "[/img]"]);
}
newEmoji(":package:", "http://i67.tinypic.com/24wsdo6.png");
newEmoji(":octocat:", "https://blog.library.si.edu/redir.php?URL=https://assets-cdn.github.com/images/icons/emoji/octocat.png");
newEmoji(":swag:", "http://imageshack.com/a/img910/4035/dJbljF.png/");
newEmoji(":thinking:", "http://imageshack.com/a/img633/7756/ZQb8BG.png/");
newEmoji(":usa:", "http://imageshack.com/a/img911/7430/KkgA2I.png/");
newEmoji(":uk:", "http://imageshack.com/a/img905/2230/yinKFa.png/");
newEmoji(":ok:", "http://imageshack.com/a/img905/1870/kAkVSj.png/");


if(test.length > 0){
    var editor = test[0];
    var emoticonFunc = function(){
        for(i = 0; i < icons.length; i++){
            editor.value = editor.value.replace(icons[i][0], icons[i][1])
        }
    };
    if(editor.onkeyup != null){
        var delegate = editor.onkeyup;
        editor.onkeyup = function(){
            emoticonFunc();
            delegate();
        };
    } else {
        editor.onkeyup = emoticonFunc;
    }
}