snowcrows-icons.user.js

// ==UserScript==
// @name         Replace GW2 API icons on SnowCrows
// @namespace    https://gist.github.com/Archomeda/57e6fd21d3006f607ed3187a85dac5e0
// @version      1.0
// @description  Replaces various GW2 API icons on SnowCrows with a mirror (hosted by dev.gw2treasures.com/services/icons)
// @author       Archomeda
// @match        https://snowcrows.com/*
// @match        https://www.snowcrows.com/*
// @grant        none
// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.slim.min.js
// @downloadURL  https://gist.github.com/Archomeda/57e6fd21d3006f607ed3187a85dac5e0/raw/snowcrows-icons.user.js
// ==/UserScript==

(function() {
    'use strict';

    var $ = window.jQuery;
    var imageRegex = /render\.guildwars2\.com\/file\/(.*)\.png/i;
    var done = false;

    function replace() {
        var $images = $('div').each(function () {
            var oldImage = $(this).css('background-image');
            var newImage = oldImage.replace(imageRegex, 'darthmaim-cdn.de/gw2treasures/icons/$1.png');
            if (oldImage !== newImage) {
                console.log(`Replacing ${oldImage} with ${newImage}`);
                $(this).css('background-image', newImage);
                done = true;
            }
        });

        if (!done) {
            setTimeout(replace, 1000);
        }
    }

    replace();
})();