Grok Return from Uploaded Files View via ESC

When on grok.com/files, ESC takes user back

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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         Grok Return from Uploaded Files View via ESC
// @namespace    nisc
// @version      2025.06.08-A
// @description  When on grok.com/files, ESC takes user back
// @homepageURL  https://github.com/nisc/grok-userscripts/
// @author       nisc
// @match        https://grok.com/files
// @icon         https://grok.com/images/favicon-light.png
// @run-at       document-end
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    /**
     * Configuration object containing all constants used in the script
     * KEYS: Keyboard key mappings for navigation
     * NAVIGATION: Default URL to return to when no history exists
     */
    const CONFIG = {
        KEYS: {
            ESCAPE: 'Escape'
        },
        NAVIGATION: {
            DEFAULT_URL: 'https://grok.com'
        }
    };

    /**
     * Handles the ESC key press event
     *
     * Behavior:
     * 1. When ESC is pressed, prevents default browser behavior
     * 2. Checks browser history length:
     *    - If history exists (length >= 2), goes back one page
     *    - If no history (length < 2), redirects to grok.com
     *
     * Note: History length < 2 means we can't go back (current page is the only one)
     */
    function handleEscapeKey(event) {
        if (event.key === CONFIG.KEYS.ESCAPE) {
            event.preventDefault();  // Stop browser's default ESC behavior

            if (window.history.length < 2) {
                // No previous page exists, go to home page
                window.open(CONFIG.NAVIGATION.DEFAULT_URL, '_self');
            } else {
                // Previous page exists, go back to it
                window.history.back();
            }
        }
    }

    // Listen for ESC key press anywhere on the page
    document.addEventListener('keydown', handleEscapeKey);
})();