Change tab size on GitHub

Change tab width from 8 to 4 on GitHub

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.

(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               Change tab size on GitHub
// @name:zh-CN         修改 GitHub tab 宽度
// @namespace          https://github.com/zkqiang
// @version            1.4
// @description        Change tab width from 8 to 4 on GitHub
// @description:zh-CN  将 GitHub 代码区域的 tab 宽度从 8 修改为 4
// @author             zkqiang
// @match              *://github.com/*
// @grant              none
// @license            MIT
// ==/UserScript==

(function () {
  'use strict';

  function change() {
    document.querySelectorAll('table[data-tab-size]').forEach(function (node) {
      node.setAttribute('data-tab-size', '4');
    });
    document.querySelectorAll('.highlight').forEach(function (node) {
      node.style['tab-size'] = '4';
    });
  }

  change();
  document.addEventListener('pjax:end', change);
})();