Node.js: Google Cloud Translation API の使い方 (Advanced)

advanced01.js

# ! /usr/bin/node
//
//	advanced01.js
//
//						Nov/25/2000
//
// ---------------------------------------------------------------
'use strict'

// ---------------------------------------------------------------
const projectId = "project-translation"
const location = 'global'
const text = "Es war einmal ein kleines Mädchen."

const {TranslationServiceClient} = require('@google-cloud/translate')

const translationClient = new TranslationServiceClient()

async function translateText() {
	const request = {
		parent: `projects/${projectId}/locations/${location}`,
		contents: [text],
		mimeType: 'text/plain',
		sourceLanguageCode: 'de',
		targetLanguageCode: 'ja',
	}

	try {
		const [response] = await translationClient.translateText(request)

		for (const translation of response.translations) {
			console.log(`Translation: ${translation.translatedText}`)
		}
		console.error ("*** 終了 ***")
	} catch (error) {
		console.error(error.details)
	}
}

// ---------------------------------------------------------------
console.error ("*** 開始 ***")
translateText()
// ---------------------------------------------------------------

実行方法

export GOOGLE_APPLICATION_CREDENTIALS=./***.json
#
./advanced01.js

実行結果

*** 開始 ***
Translation: 昔々、小さな女の子がいました。
*** 終了 ***