tampermonkey/flickr-link-to-all-sizes.user.js

// ==UserScript==
// @name         Flickr: link direct to "All Sizes"
// @namespace    http://tampermonkey.net/
// @version      2024-12-17
// @description  try to take over the world!
// @author       You
// @match        https://flickr.com/photos/*/
// @match        https://flickr.com/photos/*/page*
// @match        https://flickr.com/photos/*/with/*
// @match        https://flickr.com/photos/*/albums/*
// @match        https://flickr.com/photos/*/albums/*/page*
// @match        https://flickr.com/photos/*/albums/*/with/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=flickr.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    (function monitorUpdateLinks() {
        let parent = document.querySelector('#content');
        let lastNumberProcessed = 0;

        let observer = new MutationObserver(m => {
            let links = parent.querySelectorAll('a[href^="/photos"]');
            if (links.length == lastNumberProcessed) return;

            Array.from(links).forEach(a => {
                a.href = updateLink(a.href);
            });
        });
        observer.observe(parent, {
            subtree: true,
            childList: true,
            attributes: true,
        });

        function updateLink(url) {
            if (url.match(/(3k|comments|page.*)$/))
                return url;

            let parts = url.match(/\/photos\/[^/]+\/[0-9]+/);
            if (!parts)
                return url;

            console.log('Updating url:', url);
            return `${parts[0]}/sizes/3k`
        }
    })();
})();