Created
March 15, 2018 11:01
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Youtube subtitle view (run addLyrics() function)
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[ | |
'https://unpkg.com/codemirror@5.35.0/lib/codemirror.js', | |
'https://code.jquery.com/jquery-3.3.1.min.js', | |
].forEach(url => { | |
const script = document.createElement('script'); | |
script.src = url; | |
document.head.appendChild(script); | |
}); | |
[ | |
'https://unpkg.com/codemirror@5.35.0/lib/codemirror.css', | |
].forEach(url => { | |
const link = document.createElement('link'); | |
link.href = url; | |
link.rel = 'stylesheet'; | |
document.head.appendChild(link); | |
}); | |
function YTLyrics(vId, lang) { | |
lang = lang || 'en'; | |
if (!vId) { | |
const query = location.search.substr(1).split('&') | |
.reduce((obj, v) => { | |
const pair = v.split('='); | |
obj[pair[0]] = pair[1]; | |
return obj; | |
}, {}); | |
vId = query.v; | |
} | |
const url = `https://video.google.com/timedtext?lang=${lang}&name=&v=${vId}`; | |
return fetch(url) | |
.then(response => response.text()) | |
.then(str => (new window.DOMParser()).parseFromString(str, "text/xml")) | |
.then(data => data.getElementsByTagName('text')) | |
.then((collection) => { | |
let lyrics = ''; | |
for (let i = 0; i < collection.length; i += 1) { | |
lyrics += `${collection.item(i).innerHTML}\n`; | |
} | |
return lyrics; | |
}); | |
} | |
function addLyrics() { | |
if (!document.getElementById('lyrics-view')) { | |
jQuery('#player-ads').before('<div id="lyrics-view" style="font-size: 1.7rem"><div>'); | |
} | |
YTLyrics() | |
.then(str => { | |
CodeMirror(document.getElementById('lyrics-view'), { lineNUmbers: true, value: str }); | |
}).catch(err => { | |
console.error(err); | |
}); | |
} |
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