Extract, translate, and display Spotify lyrics with a language selector and manual translation trigger
// ==UserScript==
// @name Cigi Spotify Translator
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Extract, translate, and display Spotify lyrics with a language selector and manual translation trigger
// @author Raiwulf
// @match *://*.spotify.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
const DEFAULT_LANGUAGE = 'en';
let isTranslating = false;
const languages = {
// Popular languages
en: 'English',
es: 'Spanish',
fr: 'French',
de: 'German',
it: 'Italian',
pt: 'Portuguese',
ru: 'Russian',
ja: 'Japanese',
ko: 'Korean',
zh: 'Chinese',
ar: 'Arabic',
hi: 'Hindi',
tr: 'Turkish',
// Rest in alphabetical order
af: 'Afrikaans',
sq: 'Albanian',
am: 'Amharic',
hy: 'Armenian',
az: 'Azerbaijani',
eu: 'Basque',
be: 'Belarusian',
bn: 'Bengali',
bs: 'Bosnian',
bg: 'Bulgarian',
ca: 'Catalan',
ceb: 'Cebuano',
co: 'Corsican',
hr: 'Croatian',
cs: 'Czech',
da: 'Danish',
nl: 'Dutch',
eo: 'Esperanto',
et: 'Estonian',
fi: 'Finnish',
fy: 'Frisian',
gl: 'Galician',
ka: 'Georgian',
el: 'Greek',
gu: 'Gujarati',
ht: 'Haitian Creole',
ha: 'Hausa',
haw: 'Hawaiian',
he: 'Hebrew',
hmn: 'Hmong',
hu: 'Hungarian',
is: 'Icelandic',
ig: 'Igbo',
id: 'Indonesian',
ga: 'Irish',
jv: 'Javanese',
kn: 'Kannada',
kk: 'Kazakh',
km: 'Khmer',
rw: 'Kinyarwanda',
ku: 'Kurdish',
ky: 'Kyrgyz',
lo: 'Lao',
la: 'Latin',
lv: 'Latvian',
lt: 'Lithuanian',
lb: 'Luxembourgish',
mk: 'Macedonian',
mg: 'Malagasy',
ms: 'Malay',
ml: 'Malayalam',
mt: 'Maltese',
mi: 'Maori',
mr: 'Marathi',
mn: 'Mongolian',
my: 'Myanmar (Burmese)',
ne: 'Nepali',
no: 'Norwegian',
ny: 'Nyanja (Chichewa)',
or: 'Odia (Oriya)',
ps: 'Pashto',
fa: 'Persian',
pl: 'Polish',
pa: 'Punjabi',
ro: 'Romanian',
sm: 'Samoan',
gd: 'Scots Gaelic',
sr: 'Serbian',
st: 'Sesotho',
sn: 'Shona',
sd: 'Sindhi',
si: 'Sinhala',
sk: 'Slovak',
sl: 'Slovenian',
so: 'Somali',
su: 'Sundanese',
sw: 'Swahili',
sv: 'Swedish',
tl: 'Tagalog (Filipino)',
tg: 'Tajik',
ta: 'Tamil',
tt: 'Tatar',
te: 'Telugu',
th: 'Thai',
tk: 'Turkmen',
uk: 'Ukrainian',
ur: 'Urdu',
ug: 'Uyghur',
uz: 'Uzbek',
vi: 'Vietnamese',
cy: 'Welsh',
xh: 'Xhosa',
yi: 'Yiddish',
yo: 'Yoruba',
zu: 'Zulu'
};
function getSavedLanguage() {
return localStorage.getItem('spotifyLyricsTranslationLang') || DEFAULT_LANGUAGE;
}
function saveLanguage(lang) {
localStorage.setItem('spotifyLyricsTranslationLang', lang);
}
async function translateText(text, targetLang) {
const url = `https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=${targetLang}&dt=t&q=${encodeURIComponent(text)}`;
try {
const response = await fetch(url);
const data = await response.json();
return data[0][0][0];
} catch (error) {
console.error('Translation failed:', error);
return '[Translation Error]';
}
}
async function translateLyrics() {
if (isTranslating) return;
isTranslating = true;
const targetLang = getSavedLanguage();
const lyricsDivs = document.querySelectorAll('[data-testid="fullscreen-lyric"] div');
document.querySelectorAll('[data-translated="true"]').forEach(el => el.remove());
const originalLines = [];
lyricsDivs.forEach((div, index) => {
const originalText = div.textContent.trim();
if (originalText && originalText !== "♪") {
originalLines.push({ index, text: originalText });
}
});
const translatedLines = await Promise.all(originalLines.map(async (line) => {
const translatedText = await translateText(line.text, targetLang);
return { index: line.index, translatedText };
}));
translatedLines.forEach(({ index, translatedText }) => {
const targetDiv = lyricsDivs[index];
const translationDiv = document.createElement('div');
translationDiv.style.color = 'gray';
translationDiv.style.fontStyle = 'italic';
translationDiv.textContent = translatedText;
translationDiv.setAttribute('data-translated', 'true');
targetDiv.parentNode.insertBefore(translationDiv, targetDiv.nextSibling);
});
isTranslating = false;
}
function observeLyrics() {
const targetNode = document.querySelector('[data-testid="lyrics-container"]') || document.querySelector('[data-testid="fullscreen-lyric"]');
if (!targetNode) return;
const observer = new MutationObserver(() => {
translateLyrics();
});
observer.observe(targetNode, {
childList: true,
subtree: true,
});
}
function createHeader() {
const header = document.createElement('div');
header.style.cssText = `
display: flex;
justify-content: center;
align-items: center;
padding: 12px 0;
background: rgba(40, 40, 40, 0.95);
width: 100%;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
margin: 0;
`;
const controlsContainer = document.createElement('div');
controlsContainer.style.cssText = `
display: flex;
align-items: center;
justify-content: center;
gap: 15px;
max-width: 600px;
width: 90%;
`;
const selectContainer = document.createElement('div');
selectContainer.style.cssText = `
position: relative;
flex: 0 1 200px;
min-width: 120px;
`;
const selectButton = document.createElement('button');
selectButton.style.cssText = `
width: 100%;
padding: 8px;
border: none;
border-radius: 4px;
background: rgba(80, 80, 80, 1);
color: white;
font-size: 14px;
text-align: left;
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
`;
selectButton.textContent = languages[getSavedLanguage()];
const dropdown = document.createElement('div');
dropdown.style.cssText = `
display: none;
position: absolute;
top: 100%;
left: 0;
right: 0;
background: rgba(40, 40, 40, 0.98);
border-radius: 4px;
margin-top: 4px;
max-height: 300px;
overflow-y: auto;
z-index: 1000;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
`;
const searchInput = document.createElement('input');
searchInput.style.cssText = `
width: calc(100% - 16px);
margin: 8px;
padding: 8px;
border: none;
border-radius: 4px;
background: rgba(255, 255, 255, 0.1);
color: white;
font-size: 14px;
`;
searchInput.placeholder = 'Search language...';
const optionsContainer = document.createElement('div');
optionsContainer.style.cssText = `
padding: 8px 0;
`;
function createLanguageOptions(filter = '') {
optionsContainer.innerHTML = '';
// Separate popular and other languages
const popularLanguages = [
'en', 'tr', 'pl', 'es', 'fr', 'de', 'pt',
'ja', 'it', 'nl'
];
const entries = Object.entries(languages);
const filteredEntries = entries.filter(([_, name]) =>
name.toLowerCase().includes(filter.toLowerCase())
);
// Separate and sort entries
const popularEntries = filteredEntries.filter(([code]) =>
popularLanguages.includes(code)
).sort((a, b) =>
popularLanguages.indexOf(a[0]) - popularLanguages.indexOf(b[0])
);
const otherEntries = filteredEntries.filter(([code]) =>
!popularLanguages.includes(code)
);
// Create divider if both sections have items
if (popularEntries.length > 0 && otherEntries.length > 0) {
const divider = document.createElement('div');
divider.style.cssText = `
padding: 8px 16px;
color: #888;
font-size: 12px;
text-transform: uppercase;
letter-spacing: 1px;
`;
divider.textContent = 'Other Languages';
// Create and append all options
[...popularEntries, divider, ...otherEntries].forEach(entry => {
if (entry instanceof HTMLElement) {
optionsContainer.appendChild(entry);
return;
}
const [code, name] = entry;
const option = document.createElement('div');
option.style.cssText = `
padding: 8px 16px;
cursor: pointer;
color: white;
&:hover {
background: rgba(255, 255, 255, 0.1);
}
`;
option.textContent = name;
option.addEventListener('click', () => {
selectButton.textContent = name;
dropdown.style.display = 'none';
saveLanguage(code);
document.querySelectorAll('[data-translated="true"]').forEach(el => el.remove());
translateLyrics();
});
optionsContainer.appendChild(option);
});
}
}
selectButton.addEventListener('click', () => {
dropdown.style.display = dropdown.style.display === 'none' ? 'block' : 'none';
if (dropdown.style.display === 'block') {
searchInput.focus();
}
});
searchInput.addEventListener('input', (e) => {
createLanguageOptions(e.target.value);
});
document.addEventListener('click', (e) => {
if (!selectContainer.contains(e.target)) {
dropdown.style.display = 'none';
}
});
createLanguageOptions();
dropdown.appendChild(searchInput);
dropdown.appendChild(optionsContainer);
selectContainer.appendChild(selectButton);
selectContainer.appendChild(dropdown);
const translateButton = document.createElement('button');
translateButton.textContent = 'Translate';
translateButton.style.cssText = `
padding: 8px 16px;
background-color: #1db954;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 14px;
font-weight: 500;
min-width: 100px;
`;
translateButton.addEventListener('click', () => {
document.querySelectorAll('[data-translated="true"]').forEach(el => el.remove());
translateLyrics();
});
controlsContainer.appendChild(selectContainer);
controlsContainer.appendChild(translateButton);
header.appendChild(controlsContainer);
const mainView = document.querySelector('.main-view-container__scroll-node-child');
if (mainView) {
mainView.insertBefore(header, mainView.firstChild);
}
}
function waitForLyrics() {
const lyricsContainer = document.querySelector('[data-testid="lyrics-container"]') || document.querySelector('[data-testid="fullscreen-lyric"]');
if (lyricsContainer) {
createHeader();
observeLyrics();
translateLyrics();
} else {
setTimeout(waitForLyrics, 1000);
}
}
function checkForTranslation() {
setInterval(() => {
if (!document.querySelector('[data-translated="true"]') && !isTranslating) {
translateLyrics();
}
}, 2000);
}
window.addEventListener('load', function () {
waitForLyrics();
checkForTranslation();
});
})();
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