jonas / Jira assignee toggler

/**
 * MIT License
 *
 * Copyright (c) 2021 jonas
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
// ==UserScript==
// @name         Jira assignee toggler
// @version      0.3
// @copyright 2021, jonas (https://openuserjs.org/users/jonas)
// @description  auto-toggle (conflicting) assignee filters from JIRA quickfilters
// @downloadURL https://openuserjs.org/install/jonas/Jira_assignee_toggler.user.js
// @updateURL https://openuserjs.org/meta/jonas/Jira_assignee_toggler.meta.js
// @author       Jonas De Kegel
// @match        https://jira.*.*/secure/RapidBoard.jspa*
// @icon         https://www.google.com/s2/favicons?domain=jira.atlassian.com
// @grant        none
// @license MIT
// @require	https://git.io/waitForKeyElements.js
// ==/UserScript==

// ==OpenUserScript==
// @author          jonas
// @collaborator    jonas
// ==/OpenUserScript==


let handlingClick = false;
function quickFilterButtonHandler(button) {
    'use strict';
    console.log('##qf button handler loaded');
    button.onclick = (e) => {
        if(handlingClick) return; // we need to simulate clicks, avoid triggering ourselves
        if(e.target.title.startsWith('assignee')) {
            handlingClick = true;
            Array.from(document.getElementsByClassName('js-quickfilter-button ghx-active')).forEach((el) => {
                if(el.title !== e.target.title && el.title.startsWith('assignee')) { // only toggle other assignee fields
                    el.click();
                }
            })
            setTimeout(() => { handlingClick = false; }, 0);
        }
    }
}
waitForKeyElements (
    ".js-quickfilter-button",
    quickFilterButtonHandler,
);