Google Translate Auto Languages

Auto switch Chinese/English

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        Google Translate Auto Languages
// @name:zh-CN  Google谷歌翻译自动中英互译
// @description Auto switch Chinese/English
// @description:zh-CN 自动切换目标语言为中/英文
// @namespace   https://greasyfork.org/users/197529
// @version     1.6
// @author      kkocdko
// @license     Unlicense
// @match       *://translate.google.com/*
// @match       *://translate.google.cn/*
// @noframes
// ==/UserScript==
"use strict";

const firstLangRule = /English|英语/;
const firstLang = "en";
const secondLang = "zh-CN";

const detectTab = document.querySelector("[role=tab]");
new MutationObserver(() => {
  const isFirstLang = firstLangRule.test(detectTab.textContent);
  const lang = isFirstLang ? secondLang : firstLang;
  const selector = `[data-popup-corner]~* [data-language-code=${lang}]`;
  const tab = document.querySelector(selector);
  if (tab.getAttribute("aria-selected") !== "true") tab.click();
}).observe(detectTab, { characterData: true, subtree: true });
if (detectTab.getAttribute("aria-selected") !== "true") detectTab.click();