Facebook Dark Theme Sync

Switch Facebook's theme to match the system

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Facebook Dark Theme Sync
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Switch Facebook's theme to match the system
// @author       You
// @match        https://www.facebook.com/*
// @require      http://code.jquery.com/jquery-3.4.1.min.js
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    $( document ).ready(function() {
        let systemDarkEnabled = (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches)
        let isDarkEnabled = $('body').html().indexOf('["CometDarkModeSetting",[],{"initialSetting":"ENABLED"}') != -1;
        console.log("systemDarkEnabled " + systemDarkEnabled + " isDarkEnabled " + isDarkEnabled);
        setTimeout(function() {
            //Check if themes are not in sync
            if(systemDarkEnabled != isDarkEnabled){
                if(systemDarkEnabled){
                    document.querySelector('html').classList.add('__fb-dark-mode');
                }else{
                    document.querySelector('html').classList.remove('__fb-dark-mode');
                }
            }
        }, 1000);
    });
})();