airflow.user.js

// ==UserScript==
// @name         Airflow auto-reload
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       Rebeca
// @match        http://localhost:3000/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const airflow = () => {
        if (document.title.indexOf('Airflow') === -1) { return; }
        if (window.location.pathname === '/admin/airflow/log') {
            window.onscroll = (() => {
                let timeout;
                return () => {
                    if ((window.innerHeight + window.scrollY) >= document.body.offsetHeight) {
                        // eslint-disable-next-line no-restricted-globals
                        timeout = setTimeout(() => { location.reload(true); }, 3000);
                    } else if (timeout) {
                        clearTimeout(timeout);
                        timeout = null;
                    }
                };
            })();
            window.scrollTo(0, document.body.scrollHeight);
            window.onscroll();
        } else if (window.location.pathname === '/admin/airflow/tree') {
            if (document.getElementsByClassName('running').length !== 0) {
                // eslint-disable-next-line no-restricted-globals
                setTimeout(() => { location.reload(true); }, 3000);
            }
        } else if (window.location.pathname === '/admin/airflow/graph') {
            const is_running = document.getElementsByClassName('running').length !== 0;
            const is_up_for_retry = document.getElementsByClassName('up_for_retry').length !== 0;
            const is_up_for_reschedule = document.getElementsByClassName('up_for_reschedule').length !== 0;
            const is_queued = document.getElementsByClassName('queued').length !== 0;
            const is_no_status = document.getElementsByClassName('no_status').length !== 0;
            if (is_running || is_up_for_retry || is_up_for_reschedule || is_queued || is_no_status) {
                // eslint-disable-next-line no-restricted-globals
                setTimeout(() => { location.reload(true); }, 3000);
            }
        }
    };

    // document.addEventListener('DOMContentLoaded', airflow, false);
    airflow();
})();