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Google谷歌翻译自动中英互译

自动切换目标语言为中/英文

  1. // ==UserScript==
  2. // @name        Google Translate Auto Languages
  3. // @name:zh-CN  Google谷歌翻译自动中英互译
  4. // @description Auto switch Chinese/English
  5. // @description:zh-CN 自动切换目标语言为中/英文
  6. // @namespace   https://greasyfork.org/users/197529
  7. // @version     1.6
  8. // @author      kkocdko
  9. // @license     Unlicense
  10. // @match       *://translate.google.com/*
  11. // @match       *://translate.google.cn/*
  12. // @noframes
  13. // ==/UserScript==
  14. "use strict";
  15.  
  16. const firstLangRule = /English|英语/;
  17. const firstLang = "en";
  18. const secondLang = "zh-CN";
  19.  
  20. const detectTab = document.querySelector("[role=tab]");
  21. new MutationObserver(() => {
  22.   const isFirstLang = firstLangRule.test(detectTab.textContent);
  23.   const lang = isFirstLang ? secondLang : firstLang;
  24.   const selector = `[data-popup-corner]~* [data-language-code=${lang}]`;
  25.   const tab = document.querySelector(selector);
  26.   if (tab.getAttribute("aria-selected") !== "true") tab.click();
  27. }).observe(detectTab, { characterData: true, subtree: true });
  28. if (detectTab.getAttribute("aria-selected") !== "true") detectTab.click();