Google Messages Focus Filter

google_messages_tampermonkey.js

// ==UserScript==
// @name         Google Messages Focus Filter
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Hides unread messages from anyone not on your allowed list.
// @author       You
// @match        https://messages.google.com/web/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // 1. ADD YOUR ALLOWED CONTACTS HERE (Match the exact spelling in Google Messages)
    const ALLOWED_CONTACTS = [
        "PARTNER NAME",
        "SOMEONE ELSE IMPORTANT"
    ];

    // 2. TOGGLE FOCUS MODE (Change to 'false' to reveal all messages again)
    const FOCUS_MODE_ACTIVE = true;

    function applyFocusFilter() {
        if (!FOCUS_MODE_ACTIVE) return;

        // Grab all conversation blocks in the sidebar
        const conversations = document.querySelectorAll('mws-conversation-list-item');

        [...conversations].forEach(chat => {
            // Check if this specific chat has the unread attribute
            const isUnread = chat.querySelector('a[data-e2e-is-unread="true"]') !== null;

            // Extract the exact contact name from the DOM
            const nameElement = chat.querySelector('span[data-e2e-conversation-name]');
            const contactName = nameElement ? nameElement.textContent.trim() : "";

            if (contactName) {
                // If it's unread AND the name isn't in your VIP list, hide the entire block
                if (!ALLOWED_CONTACTS.includes(contactName)) {
                    chat.style.display = 'none';
                    console.log('hide', contactName, chat);
                } else {
                    console.log('KEEP', contactName, chat);
                    // Ensure your VIPs remain visible
                    chat.style.display = '';
                }
            } else {
                // If the message is already read, leave it visible
                chat.style.display = '';
            }
        });
    }

    // Google Messages is a Single Page Application, so we use setInterval
    // to run the filter every 1 second to catch new incoming texts instantly.
    setInterval(applyFocusFilter, 150);
})();