ui5-i18n-translate/src/translator.ts

A command-line interface (CLI) tool to effortlessly translate your UI5 i18n fallback files into multiple languages using the SAP Translation Hub. This package streamlines the localization process for your UI5 applications by automating the translation of

import axios from "axios"

export default class Translator {
    private authUrl: string
    private authClientId: string
    private authClientSecret: string
    private apiUrl: string

    private token: string

    constructor(authUrl: string, authClientId: string, authClientSecret: string, apiUrl: string) {
        this.authUrl = authUrl
        this.authClientId = authClientId
        this.authClientSecret = authClientSecret
        this.apiUrl = apiUrl
    }

    private async requestToken() {
        if (this.token) {
            return
        }

        const encodedParams = new URLSearchParams()
        encodedParams.set("client_id", this.authClientId)
        encodedParams.set("client_secret", this.authClientSecret)
        encodedParams.set("grant_type", "client_credentials")
        encodedParams.set("response_type", "token")

        const options = {
            method: 'POST',
            url: `${this.authUrl}/oauth/token`,
            headers: { 'content-type': 'application/x-www-form-urlencoded' },
            data: encodedParams,
        }

        try {
            const response: any = await axios.request(options)
            this.token = response.data.access_token
        } catch (error) {
            throw new Error(error.message)
        }
    }

    public async translate(units, targetLanguages, sourceLanguage) {
        await this.requestToken()

        const options = {
            method: "POST",
            url: `${this.apiUrl}/translationhub/api/v2/translate`,
            headers: {
                "content-type": "application/json; charset=utf-8",
                authorization: `Bearer ${this.token}`,
            },
            data: {
                targetLanguages: targetLanguages,
                sourceLanguage: sourceLanguage,
                units: units
            }
        }

        try {
            const response: any = await axios.request(options)
            return response.data?.units
        } catch (error) {
            throw new Error(error.message)
        }
    }
}