Tampermonkey: YouTube Script auto Adds skip

youtube-auto-adds-skip.js

// ==UserScript==
// @id           youtube-auto-adds-skip@pida42
// @name         YouTube Script auto Adds skip
// @description  Automatically trigger click event on "Skip add" button.
// @namespace    https://gist.github.com/pida42/43a304ba7b944a5c0abf8169cfe4096f
// @version      1.0.1
// @author       pida42
// @include      https://www.youtube.com/*
// @match        https://www.youtube.com/*
// @require      https://code.jquery.com/jquery-2.1.4.min.js
// @grant        GM_addStyle
// @grant        GM_xmlhttpRequest
// ==/UserScript==


(function(jQuery) {
    'use strict';

    var waitForElement = {
        _i: null,
        _c: 0,
        _m: 3600,
        wait: function(elementSelector, callback) {
            if(null !== waitForElement._i) return false;
            callback = callback || function(){};
            clearInterval(waitForElement._i);
            waitForElement._i = null;
            waitForElement._i = window.setInterval(function() {
                waitForElement._c = waitForElement._c + 1;
                var waitElement = jQuery(elementSelector);
                if(document.location.pathname == '/watch' && waitElement.length) {
                    console.log('element exist');
                    clearInterval(waitForElement._i);
                    waitForElement._i = null;
                    callback(waitElement);
                }
                if(waitForElement._c >= waitForElement._m) {
                    console.log('element DOESN\'T exist');
                    clearInterval(waitForElement._i);
                    waitForElement._i = null;
                    callback(null);
                    return false;
                }
            }, 1000);
        }
    };

    var skipAdd = function() {
        waitForElement.wait('.ytp-ad-skip-button', function(targetElement) {
            if(typeof targetElement[0] !== 'undefined') {
                jQuery(targetElement[0]).click();
            }
            skipAdd();
        });
    };

    skipAdd();

})(jQuery);