// ==UserScript==
// @name         AppleMusicToSpotify
// @description  append link to Spotify search at Apple Music
// @version      0.2.1
// @namespace    https://github.com/to
// @match        https://music.apple.com/*/album/*
// @match        https://music.apple.com/*/playlist/*
// ==/UserScript==
// original
// https://qiita.com/embokoir/items/d667a6802105b842fb48
let playlist = !!location.href.match('/playlist/');
let artist = document.querySelector('.product-creator').textContent.trim();
let observer = new MutationObserver(records => {
setTimeout(() => {
[...document.getElementsByClassName('song-name')].forEach(elmName => {
let name = elmName.innerText;
if(playlist)
artist = elmName.nextElementSibling.textContent.trim();
let elmLink = document.createElement('a');
elmLink.setAttribute('href', `https://open.spotify.com/search/${artist} ${name}`);
elmLink.setAttribute('target', '_blank');
elmLink.style.color = 'hsl(144, 73%, 41%)';
elmLink.className = elmName.className;
elmLink.innerText = name;
elmName.parentNode.replaceChild(elmLink, elmName);
});
}, 0);
});
observer.observe(document.body, {
childList: true
});