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ed / Wikifeet URIs correction for EU visitors

// ==UserScript==
// @name         Wikifeet URIs correction for EU visitors
// @namespace    mailto:everett.ducklair@gmail.com
// @version      0.4
// @description  Replaces the Wikifeet images URIs with the correct ones if you visit it from the EU
// @author       ED
// @match        https://www.wikifeet.com/*
// @match        https://www.wikifeetx.com/*
// @match        https://men.wikifeet.com/*
// @grant        none
// @license      GPL-3.0-or-later
// @updateURL    https://openuserjs.org/meta/ed/Wikifeet_URIs_correction_for_EU_visitors.meta.js
// @downloadURL  https://openuserjs.org/install/ed/Wikifeet_URIs_correction_for_EU_visitors.user.js
// @copyright    2022, ed (https://openuserjs.org/users/ed)
// ==/UserScript==

// Replaces the image URI
let replaceUri = aElement => { aElement.href = aElement.firstChild.style.backgroundImage.match(/https.*?jpg/)[0].replace('thumbs','pics') };

// Replaces the image URI in a wall post
let replaceUriInWall = wallPost => [...wallPost.getElementsByTagName('a')].forEach(aElement => aElement.href.includes("/articles/17") && replaceUri(aElement));

// The two main sections
const pics = document.getElementById('thepics');
const wall = document.getElementById('thewall');

// Callback function for the observer. It replaces the link on dinamically added comments and images
const callback = (mutationList, observer) => {
    mutationList.reduce((nodes, mutation) => [...nodes, ...mutation.addedNodes], []).forEach(node => {
        replaceUriInWall(node);
    })
};

// Observes the comment section
const config = { attributes: true, childList: true, subtree: true };
const observer = new MutationObserver(callback);
observer.observe(pics, config);
observer.observe(wall, config);

// Replaces the URIs as soon as the page is loaded
(function() {
    [...pics.getElementsByClassName('pic')].forEach(pic => replaceUri(pic.firstChild));
    [...wall.childNodes].filter(childNode => childNode.id && childNode.id.startsWith("w_post")).forEach(post => replaceUriInWall(post));
})()