bing-translate-api/test/index.js

A simple and free API for Bing & Microsoft Translator for Node.js

const { translate } = require('../src/index')
const { maxTextLen, maxCorrectableTextLen, maxEPTTextLen, maxTextLenCN } = require('../src/config.json')

/**
 * @param {import('..').TranslationResult} res
 */
function printRes(res) {
  console.log(res.text, '---->', res.translation, 'fromLang', res.language.from)
  console.log()
}

/**
 * @param {import('..').TranslationResult} res
 */
function printGenderDebiasedRes(res) {
  console.log(
    res.text, '---->', res.translation,
    'feminineTranslation:', res.feminineTranslation,
    'masculineTranslation:', res.masculineTranslation,
    'fromLang', res.language.from
  )
  console.log()
  if (!res.feminineTranslation || !res.masculineTranslation) {
    throw new Error('no gender debiased result')
  }
}

/**
 * @param {import('..').TranslationResult} res
 */
function printCorrectRes(res) {
  console.log(res.text, '---->', res.correctedText)
  console.log()
}

/**
 * @param {Error} e
 * @param {boolean} [notExit]
 */
function onErr(e, notExit) {
  console.error(e)
  console.log()
  notExit || process.exit(1)
}

// default: auto-detect(zh-Hans) -> en
translate('你好')
.then(printRes)
.catch(onErr)

// auto-detect(English) to zh-Hans
translate('Hello', null, 'zh-Hans')
.then(printRes)
.catch(onErr)

// auto-detect(English) to Georgian
translate('Hello', null, 'ka')
.then(printRes)
.catch(onErr)

// Literary Chinese(lzh) to Simplified Chinese(zh-Hans)
translate('邹忌修八尺有余，而形貌昳丽。朝服衣冠，窥镜，谓其妻曰：“我孰与城北徐公美？”。其妻曰：“君美甚，徐公何能及君也？”', 'lzh', 'zh-Hans')
.then(printRes)
.catch(onErr)

// auto-detect(Korean) to zh-Hant
translate('안녕하십니까', null, 'zh-Hant')
.then(printRes)
.catch(onErr)

// correct `gradent`` to `gradient`
translate('gradent', null, 'en', true)
.then(printCorrectRes)
.catch(onErr)

// correct short text to `this text is very long`
translate('this text is vry lang', null, 'en', true)
.then(printCorrectRes)
.catch(onErr)

// correct short text -> return `undefined` for the language is not supported
translate('Bore da', null, 'en', true)
.then(printCorrectRes)
.catch(onErr)

// correct long text -> return `undefined` for exceeding max length
translate(new Array(maxCorrectableTextLen + 1).fill('0').join(''), null, 'en', true)
.then(printCorrectRes)
.catch(onErr)

// max text len -> return `undefined` for exceeding max length
translate(new Array(maxTextLen + 1).fill('0').join(''), null, 'en')
.then(printRes)
.catch(e => onErr(e, true))

// max EPT text len -> return `Zero`
translate(new Array(maxEPTTextLen).fill('0').join(''), null, 'en')
.then(printRes)
.catch(e => onErr(e, true))

// max EPT text len -> fall back to non-EPT mode for exceeding max length
translate(new Array(maxEPTTextLen + 1).fill('0').join(''), null, 'en')
.then(printRes)
.catch(e => onErr(e, true))

// max text len in China -> return `undefined` for exceeding max length
translate(new Array(maxTextLenCN + 1).fill('0').join(''), null, 'en')
.then(printRes)
.catch(e => onErr(e, true))

// en to es (with gender-debiased translation result returned)
translate('Latest', 'en', 'es')
.then(printGenderDebiasedRes)
.catch(onErr)