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NavidromeGeniusLyrics

Change the semi-useless lyrics button to a GeniusLyrics search

// ==UserScript==
// @name         NavidromeGeniusLyrics
// @namespace    http://tampermonkey.net/
// @version      1.0.2
// @description  Change the semi-useless lyrics button to a GeniusLyrics search
// @author       Max-Pare
// @match        http*://192.168.1.100:4533/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=navidrome.org
// @grant        none
// @license MIT
// ==/UserScript==
// !!! YOU NEED TO CHANGE THE "@match" PROPERTY OF THE SCRIPT TO YOUR ACTUAL SERVER FOR THIS TO EVEN ATTEMPT TO WORK !!!
// e.g.: @match http*://192.168.1.34:4533/* or http*://music.mydomain.com/* or http*://mydomain.com/music/*

const geniusQueryBase = 'https://genius.com/search?q='
const observer = new MutationObserver(callback)
const config = { attributes: false, childList: true, subtree: true }
observer.observe(document.body, config)
function callback () {
    'use strict';
    observer.disconnect()
    let playBar = document.querySelector('section.panel-content')
    if(!playBar) { observer.observe(document.body, config); return }

    let controls = document.querySelector('div.player-content')
    if (!controls) return

    let newLyricsButton = controls.querySelector('span.group.lyric-btn')
    if (!newLyricsButton) return

    newLyricsButton.removeAttribute('onClick')
    newLyricsButton.addEventListener('click', function(event) {
        event.preventDefault();
        event.stopImmediatePropagation();
        let artistElem = document.querySelector('span.songArtist')
        if(!artistElem) return
        let songElem = document.querySelector('span[class*="songTitle"]')
        if(!songElem) return
        let artist = artistElem.textContent;
        let song = songElem.textContent;
        let url = geniusQueryBase + artist + ' - ' + song
        window.open(url, '_blank').focus();
    })
    observer.observe(playBar, config)
}