Translate chosen text to another language with DeepL API.
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// ==UserScript==
// @license MIT
// @name Smart Translate with DeepL API
// @namespace http://tampermonkey.net/
// @version 1.1.0
// @description Translate chosen text to another language with DeepL API.
// @author Twil3akine
// @match *://*/*
// @match file:///*
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function() {
'use strict';
const apiKey = 'YOUR_DEEPL_API_KEY';
console.log('Smart-Translate is started!');
// set keyboard-shortcut (Alt+T)
document.addEventListener('keydown', function(event) {
if (event.altKey && event.key === "t") {
const selectedText = window.getSelection().toString().trim();
if (selectedText) {
// send request to DeepL API
translateText(selectedText);
} else {
alert('Please select text!');
}
}
});
const translateText = (text) => {
const url = 'https://api-free.deepl.com/v2/translate';
const params = {
auth_key: apiKey,
text: text,
target_lang: 'JA',
};
GM_xmlhttpRequest({
method: 'POST',
url: url,
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
},
data: new URLSearchParams(params).toString(),
onload: (response) => {
try {
const result = JSON.parse(response.responseText);
const translatedText = result.translations[0].text;
alert(`${text}\n\n->\n\n${translatedText}`);
console.log(`${text}\n\n->\n\n${translatedText}`);
} catch (e) {
console.log('Error parsing the response from DeepL:', e);
}
},
onerror: (error) => {
console.error('Error with DeepL API request:', error);
alert('Error occurred while traslating. Please try again later.');
}
});
}
})();