Github color preview

Adds colour to github gutter if the line contains a hex color code

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         Github color preview
// @author       Afzal Najam
// @namespace    http://afzaln.com/
// @version      1.0
// @description  Adds colour to github gutter if the line contains a hex color code
// @match        https://*.github.com/*
// @copyright    2014+, Afzal Najam
// ==/UserScript==

rows = $('.file > .blob-wrapper > table > tbody > tr');
GM_addStyle ( ".blob-line-num { width:6% !important }" );
rows.each(function (index) {
    lineNum = $(this).find('.blob-line-num');
    lineText = $(this).find('.blob-line-code').text();
    var patt = /#([0-9A-F]{2})?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})/i;
    var colors = patt.exec(lineText);
    if (colors != null) {
//        GM_log(colors);
        if (colors[1]) {
          var opacity = parseInt(colors[1], 16)/255;
        } else {
            var opacity = 1;
        }
        var r = parseInt(colors[2], 16);
        var g = parseInt(colors[3], 16);
        var b = parseInt(colors[4], 16);
        var colordiv = "<div style=\"float:left; display:inline; background: rgb(" + r + "," + g + "," + b + "); opacity: " + opacity + "; height: 14px; width: 8px\"></div>";
        lineNum.append(colordiv);
    }
});