// ==UserScript==
// @name         Unrandomize Tumblr Image Server
// @namespace    https://greasyfork.org/en/users/85671-jcunews
// @description  Changes all Tumblr hosted images to use a fixed server name. e.g. "78.media.tumblr.com" to "media.tumblr.com"
// @author       jcunews
// @version      1.0.1
// @license      GNU AGPLv3
// @match        *://*.tumblr.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==
(function() {
var regex = /^(https?:\/\/)\d+\.(media\.tumblr\.com\/[0-9a-f]{32}\/tumblr_.*)$/;
function processSrc(ele) {
if (!ele.src || (ele.tagName !== "IMG")) return;
var match = ele.src.match(regex);
if (!match) return;
ele.src = match[1] + match[2];
}
function processContainer(container) {
var eles = container.querySelectorAll('img[src*=".media.tumblr.com/"]');
processSrc(container);
Array.prototype.slice.call(eles).forEach(processSrc);
}
var observer = new MutationObserver(function(records) {
records.forEach(function(record) {
if (record.attributeName) {
if (record.attributeName === "src") processSrc(record.target);
} else {
var nodes = Array.prototype.slice.call(record.addedNodes);
nodes.forEach(function(node) {
if (node.nodeType === 1) processContainer(node);
});
}
});
});
addEventListener("load", function() {
processContainer(document.body);
observer.observe(document.body, {
childList: true,
attributes: true,
subtree: true
});
});
})();