// ==UserScript==// @name         AO3: Jump to a Random Work// @namespace    https://greasyfork.org/en/users/906106-escctrl// @version      0.2// @description  adds a "Random Work" button (top right corner) when viewing works in a tag/filter or your Marked For Later list// @author       escctrl// @match        *://*.archiveofourown.org/tags/*/works*// @match        *://*.archiveofourown.org/works?*// @match        *://*.archiveofourown.org/users/*/readings*show=to-read*// @require      https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js// @grant        none// @license      MIT// ==/UserScript==(function($) {'use strict';// add a buttonvar button = document.createElement('li');button.innerHTML = '<a href="#">Random Work</a>';button.addEventListener("click", RandomWork);if (location.href.indexOf('show=to-read') > 0) document.querySelector('div#main.readings-index ul.navigation.actions').appendChild(button);else document.querySelector('div#main.works-index div.navigation.actions.module ul.user.navigation.actions').appendChild(button);// when the button was pressed, read the number of works, pick a random one, and redirect therefunction RandomWork() {// Find number of pages. content of second-to-last <li> tells usvar pageCount = parseInt($('ol.pagination').first().find('li').last().prev().text() || 1);// pick random whole number of the available pagesconst pageRandom = Math.floor((Math.random() * pageCount) + 1);// figure out which page we're currently viewingvar thisPage = location.search.match(/page=(\d)+/);thisPage = thisPage === null ? 1 : parseInt(thisPage[1]); // match only works if URL contained a page (i.e. if not on page 1)// check: are we currently on the randomly chosen page?if (thisPage !== pageRandom) LoadRandomPage(pageRandom); // if not - read that page to find a random work linkelse Redirect2Work($('ol.work.index.group li.work.blurb')); // if yes - skip page loads, read a random work link from this page}function LoadRandomPage(r) {// build the URL of the page to loadvar pageURL = location.search.indexOf('page=') > 0 ? location.href.replace(/page=(\d)+/, 'page='+r) // replace existing page number: location.href + (location.href.indexOf('?') > 0 ? '&' : '?') + 'page='+r; // add page number if not yet in URL search parameters// grab the list of works from the page$.get(pageURL, function(response) {}).done(function(response) {Redirect2Work($(response).find('ol.work.index.group li.work.blurb'));// if that sent us to jail, set the ao3jail marker}).fail(function(data, textStatus, xhr) {console.log("Random Work script has hit Retry later", data.status);return false;});}function Redirect2Work(worksList) {// pick a random work from within the listvar pick = Math.floor((Math.random() * worksList.length) + 1);// read that random work's URL and titlepick = $(worksList[pick-1]).find('h4 a').first();var path = $(pick).attr('href');var title = $(pick).text();// jump to that work but warn the useralert('Redirecting you to a random work: '+title);window.location.assign(path);}})(jQuery);