Gmail Enhancer

Enhance Gmail inbox by: 1. Forcing subjects to display fully 2. Removing message preview snippets 3. Showing email username (before "@") instead of sender's display name

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey, Greasemonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Gmail Enhancer
// @namespace    https://greasyfork.org/
// @version      1.1
// @description  Enhance Gmail inbox by: 1. Forcing subjects to display fully 2. Removing message preview snippets 3. Showing email username (before "@") instead of sender's display name
// @author       Bui Quoc Dung
// @match        https://mail.google.com/*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    /* -------------------------------
     * Feature 1: Show full subject
     * ------------------------------- */
    GM_addStyle(`
        span[data-thread-id] {
            white-space: normal !important;
            overflow: visible !important;
            text-overflow: unset !important;
            display: inline !important;
        }
    `);

    /* -------------------------------
     * Feature 2: Remove snippets
     * ------------------------------- */
    function removeSnippets() {
        document.querySelectorAll("span.y2").forEach(el => el.remove());
    }

    /* -------------------------------
     * Feature 3: Replace name with email username
     * ------------------------------- */
    function replaceSenderNames() {
        document.querySelectorAll("span.yP[email]").forEach(el => {
            const email = el.getAttribute("email");
            if (email) {
                const username = email.split("@")[0];
                if (el.textContent !== username) {
                    el.textContent = username;
                }
            }
        });
    }

    /* -------------------------------
     * Init + Observe DOM changes
     * ------------------------------- */
    function applyEnhancements() {
        removeSnippets();
        replaceSenderNames();
    }

    // Run once on load
    applyEnhancements();

    // Keep watching for dynamic Gmail updates
    const observer = new MutationObserver(() => {
        applyEnhancements();
    });
    observer.observe(document.body, { childList: true, subtree: true });

})();