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Google翻译自动中英互译

自动切换输出语言

Ajankohdalta 2019-08-05 08:52:09 UTC. Katso uusin versio.

// ==UserScript==
// @name         Google翻译自动中英互译
// @description  自动切换输出语言
// @namespace    https://greasyfork.org/users/197529
// @author       kkocdko
// @license      Unlicense
// @version      0.6
// @include      *://translate.google.cn/*
// ==/UserScript==
'use strict'

const sourceTextEl = document.querySelector('#source')
const sourceLangEl = document.querySelector('.sl-selector a')
window.location.hash = '#view=home&op=translate&sl=auto&tl=en&text=' + sourceTextEl.value
autoSwitchTargetLang()
sourceLangEl.addEventListener('DOMSubtreeModified', autoSwitchTargetLang)

function autoSwitchTargetLang () {
  if (sourceTextEl.value === '') {
    return
  }
  const isEnglish = sourceLangEl.textContent === '检测到英语'
  const rightValue = isEnglish ? 'tl=zh-CN' : 'tl=en'
  const leftValue = isEnglish ? 'tl=en' : 'tl=zh-CN'
  if (window.location.hash.indexOf(rightValue)) {
    window.location.hash = window.location.hash.replace(rightValue, leftValue)
  }
  window.location.hash = window.location.hash.replace(leftValue, rightValue)
}