// ==UserScript==
// @name         BeatSaver preview
// @namespace    http://ext.ccloli.com
// @version      0.1
// @description  Preview BeatSaver with +1 Rabbit's BS Viewer (https://skystudioapps.com/bs-viewer/)
// @author       864907600cc
// @match        *://beatsaver.com/*
// @grant        none
// ==/UserScript==
(function() {
'use strict';
let lastId;
const handle = document.createElement('div');
handle.style.cssText = 'width: 720px; height: 20px; line-height: 20px; background: #ddd; color: #666; cursor: pointer; user-select: none; padding: 0 6px; font-size: 12px; position: absolute; right: 0; bottom: 0; z-index: 999';
const iframe = document.createElement('iframe');
iframe.name = 'foo';
iframe.style.cssText = 'width: 720px; height: 405px; border: 2px solid #ddd; display: block; position: absolute; right: 0; bottom: 20px; background: rgba(255, 255, 255, 0.5); z-index: 999';
handle.onclick = () => {
iframe.style.display = iframe.style.display === 'none' ? 'block' : 'none';
};
const load = () => {
const id = location.pathname.split('/beatmap/').pop();
if (!/^[0-9a-f]+$/i.test(id) || lastId === id) {
return;
}
lastId = id;
const src = `https://skystudioapps.com/bs-viewer/?id=${id}`;
handle.innerHTML = `+1 Rabbit\'s BS Viewer | <a href="${src}" target="_blank">${src}</a>`;
iframe.src = src;
document.body.appendChild(iframe);
document.body.appendChild(handle);
};
const history = window.history;
const pushState = history.pushState;
const replaceState = history.replaceState;
window.addEventListener('popstate', load);
window.history.pushState = (...args) => {
pushState.apply(history, args);
load();
}
window.history.replaceState = (...args) => {
replaceState.apply(history, args);
load();
}
load();
})();