Steamgifts Giveaways - New.user.js

// ==UserScript==
// @name         Steamgifts Giveaways - New
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  try to take over the world!
// @author       Searinox
// @icon         https://avatars0.githubusercontent.com/u/16297928?s=460&v=4
// @match        https://www.steamgifts.com/giveaways/new
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    let startTime = 'Sep 25, 2018 4:20 am';
    let endTime = 'Sep 30, 2018 4:20 pm';
    let contributorLevel = '10';
    let text = [
        'Akk!',
        'Steam Group: [Searinox Army](https://steamcommunity.com/groups/searinoxarmy#members)'
    ];
    let images = [
        'https://steamcdn-a.akamaihd.net/steamcommunity/public/images/avatars/21/21c3f7cece613ea20a41ac1582b92033f8abb267_full.jpg',
        'https://i.imgur.com/RogoP2g.gif',
        'https://media1.tenor.com/images/b35a2dd687b91f7c10e64a049948822e/tenor.gif'
    ];
    const header = 'https://steamcdn-a.akamaihd.net/steam/apps/{id}/header.jpg';
    $('form input[name=type]')[0].value = 'key';
    $('form div[data-checkbox-value=key]').addClass('is-selected');
    $('form div.form__row--giveaway-keys.is-hidden').removeClass('is-hidden');
    $('form input[name=start_time]')[0].value = startTime;
    $('form input[name=end_time]')[0].value = endTime;
    $('form input[name=region_restricted]')[0].value = '0';
    $('form div[data-checkbox-value=0]').addClass('is-selected');
    $('form input[name=who_can_enter]')[0].value = 'everyone';
    $('form div[data-checkbox-value=everyone]').addClass('is-selected');
    $('form input[name=contributor_level]')[0].value = contributorLevel;
    $('form div.ui-slider-range.ui-slider-range-min').css('width', `${contributorLevel * 10}%`);
    $('form span.ui-slider-handle.ui-state-default').css('left', `${contributorLevel * 10}%`);
    $('form div.js__autocomplete-data').on('DOMSubtreeModified', function(event) {
        if (this.children[0] && this.children[0].children[0] && this.children[0].children[0].children) {
            [...this.children[0].children[0].children].map((e) => {
                $(e).click(() => {
                    let img = header.replace('{id}', $(e).find('a')[0].href.replace(/\D+/g, ''));
                    if (!images.includes(img)) {
                        images.unshift(img);
                    }
                    let description = [...text, ...images.map(e => `![Searinox Army](${e})`)].join('\n');
                    $('form textarea[name=description]')[0].value = description;
                });
            });
        }
    });
})();