@cartogram/deepl

DeepL API client for JavaScript.

This module provides a simple javascript client for translating text with DeepL. You will need a developer account and Authentication key from DeepL in order to use this library. To get a key, please create an account on Deepl.com.

With a DeepL API Free account you can translate up to 500,000 characters/month for free.

Install

With npm installed, run

npm install @cartogram/deepl

Usage

Import and instantiate a new instance of the DeepL class and pass in a config object containing your DeepL Authentication Key.

import {DeepL} from '@cartogram/deepl'

const translator = new DeepL({authKey: '[YOUR DEEPL AUTH KEY]'})

const translations = await translator.translate('Hello world!', 'de')

//  [
//    {
//      detected_source_language: 'EN',
//      text: 'Hallo Welt'
//    }
//  ]

API

translate()

Returns a Promise that fulfills with an array of translations corresponding to your input text. Each item has two properties: text is the translated text, and detected_source_language is the detected source language code.

translate(
  text: string | string[],
  targetLang: string,
  options: TranslateOptions = {},
)

TranslateOptions

• formality: controls whether translations should lean toward informal or formal language. This option is only available for some target languages, see Listing available languages.
  • less: use informal language.
  • more: use formal, more polite language.
  • default: use default formality.

interface TranslateOptions {
  formality?: 'default' | 'less' | 'more'
  sourceLang?: string
}