Auto join google meetings

gistfile1.txt

// ==UserScript==
// @name         Google Meet Auto-Join & Auto-Close
// @namespace    http://tampermonkey.net/
// @version      1.2
// @description  Auto-clicks the join button on Google Meet, and closes the tab 5 seconds after leaving a meeting.
// @author       You
// @match        https://meet.google.com/*
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function () {
    'use strict';

    // ── Configuration ──────────────────────────────────────────────────────────
    const JOIN_POLL_INTERVAL_MS  = 1000;   // How often to look for the join button
    const JOIN_TIMEOUT_MS        = 60000;  // Stop trying to join after this long
    const LEAVE_CLOSE_DELAY_MS   = 5000;   // Delay before closing tab after leaving
    const LEFT_POLL_INTERVAL_MS  = 2000;   // How often to check if we've left
    // ──────────────────────────────────────────────────────────────────────────

    let joinAttempted   = false;
    let leftDetected    = false;
    let joinIntervalId  = null;
    let leftIntervalId  = null;
    let closeTimeoutId  = null;

    // Selectors for the "join" button. Google Meet uses slightly different
    // label text depending on the context (pre-join lobby vs. mid-meeting join).
    const JOIN_BUTTON_TEXTS = [
        'join now',
        'join meeting',
        'ask to join',
        'join',
    ];

    // Text that appears on the post-meeting screen.
    const LEAVE_INDICATOR_TEXTS = [
        "you've left the meeting",
        "you left the meeting",
        'return to home screen',
        'rejoin',
    ];

    // ── Helpers ────────────────────────────────────────────────────────────────

    /**
     * Finds a visible, clickable join button by inspecting button text content.
     * Returns the element or null.
     */
    function findJoinButton() {
        const buttons = document.querySelectorAll('button, [role="button"]');
        for (const btn of buttons) {
            const text = (btn.innerText || btn.textContent || '').trim().toLowerCase();
            if (JOIN_BUTTON_TEXTS.includes(text)) {
                // Make sure the button is actually visible
                const rect = btn.getBoundingClientRect();
                if (rect.width > 0 && rect.height > 0) {
                    return btn;
                }
            }
        }
        return null;
    }

    /**
     * Returns true when the page contains text indicating the user has left.
     */
    function hasLeftMeeting() {
        const bodyText = document.body.innerText.toLowerCase();
        return LEAVE_INDICATOR_TEXTS.some(indicator => bodyText.includes(indicator));
    }

    /**
     * Log helper – prefixes all messages so they're easy to spot in DevTools.
     */
    function log(msg) {
        console.log(`[Meet Auto-Join] ${msg}`);
    }

    // ── Join logic ─────────────────────────────────────────────────────────────

    function startJoinPolling() {
        const deadline = Date.now() + JOIN_TIMEOUT_MS;

        joinIntervalId = setInterval(() => {
            if (joinAttempted) {
                clearInterval(joinIntervalId);
                return;
            }

            if (Date.now() > deadline) {
                log('Timed out waiting for join button.');
                clearInterval(joinIntervalId);
                return;
            }

            const btn = findJoinButton();
            if (btn) {
                log(`Found join button: "${btn.innerText.trim()}" — clicking.`);
                btn.click();
                joinAttempted = true;
                clearInterval(joinIntervalId);

                // Start watching for the post-meeting screen
                startLeftPolling();
            }
        }, JOIN_POLL_INTERVAL_MS);
    }

    // ── Leave / close logic ────────────────────────────────────────────────────

    function startLeftPolling() {
        leftIntervalId = setInterval(() => {
            if (leftDetected) {
                clearInterval(leftIntervalId);
                return;
            }

            if (hasLeftMeeting()) {
                leftDetected = true;
                clearInterval(leftIntervalId);
                log(`Left-meeting screen detected. Closing tab in ${LEAVE_CLOSE_DELAY_MS / 1000}s…`);

                closeTimeoutId = setTimeout(() => {
                    log('Closing tab now.');
                    window.close();

                    // window.close() only works when the tab was opened by a script.
                    // As a fallback for Brave, navigate to a blank page.
                    setTimeout(() => {
                        if (!window.closed) {
                            log('window.close() had no effect — navigating to blank page.');
                            window.location.href = 'about:blank';
                        }
                    }, 500);
                }, LEAVE_CLOSE_DELAY_MS);
            }
        }, LEFT_POLL_INTERVAL_MS);
    }

    // ── Entry point ────────────────────────────────────────────────────────────

    // Only run on actual meeting URLs (e.g. /abc-defg-hij), not the landing page.
    const meetingCodePattern = /^\/[a-z]{3}-[a-z]{4}-[a-z]{3}(\/.*)?$/i;
    if (!meetingCodePattern.test(window.location.pathname)) {
        log('Not a meeting URL — script idle.');
        return;
    }

    log('Meeting URL detected — waiting for join button…');
    startJoinPolling();

})();