Git-SCM Background Color Changer

Dynamically replace the background color of Git-SCM pages based on the system theme

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         Git-SCM Background Color Changer
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Dynamically replace the background color of Git-SCM pages based on the system theme
// @author       mcwindy
// @match        https://git-scm.com/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  const darkModeBg = '#1B1B1B'; // for dark mode
  const lightModeBg = '#fff'; // for light mode

  // Detection system theme
  const isDarkMode = window.matchMedia('(prefers-color-scheme: dark)').matches;

  const bgColor = isDarkMode ? darkModeBg : lightModeBg;

  const bodyElement = document.querySelector('body');
  if (bodyElement) {
    bodyElement.style.background = bgColor;
  }

  // Replace the background attribute in all style sheets
  const styleSheets = document.styleSheets;
  for (let i = 0; i < styleSheets.length; i++) {
    const styleSheet = styleSheets[i];
    try {
      const cssRules = styleSheet.cssRules || styleSheet.rules;
      for (let j = 0; j < cssRules.length; j++) {
        const rule = cssRules[j];
        if (rule.selectorText === 'body' && rule.style.background) {
          rule.style.background = bgColor;
        }
      }
    } catch (e) {
      // Cross-domain style sheet cannot be accessed, ignored
    }
  }
})();