ui5-i18n-translate/src/settings.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 fs from "fs"
import path from "path"
import yaml from "js-yaml"
import minimist from "minimist"

export default class Settings {
    private static instance: Settings

    public authUrl: string
    public authClientId: string
    public authClientSecret: string
    public apiUrl: string
    public targetLanguages: Array<string>
    public sourceLanguage: string
    public isTest: boolean

    public static get Instance() {
        return this.instance || (this.instance = new this())
    }

    private constructor() {
        const config = this.getConfigFile()
        const parameter = this.getParameter()

        this.authUrl = parameter?.auth_url || config?.auth_url || ""
        this.authClientId = parameter?.auth_client_id || config?.auth_client_id || ""
        this.authClientSecret = parameter?.auth_client_secret || config?.auth_client_secret || ""
        this.apiUrl = parameter?.api_url || config?.api_url || ""
        this.targetLanguages = parameter?.target_languages?.split(",") || config?.target_languages?.split(",") || ""
        this.sourceLanguage = parameter?.fallback_language || config?.fallback_language || "en"
        this.isTest = parameter?.test || false

        this.validateMandatorySettings()
    }

    private getConfigFile() {
        const currentDirectory = process.cwd()
        const configFilePath = path.join(currentDirectory, path.sep, "ui5-i18n-translate.yml")

        const configFileExists = fs.existsSync(configFilePath)
        let config: any = {}
        if (configFileExists) {
            const fileContents = fs.readFileSync(configFilePath, "utf8")
            config = yaml.load(fileContents)
        }
        return config
    }

    private getParameter() {
        return minimist(process.argv.slice(2))
    }

    private validateMandatorySettings() {
        if (!this.authUrl) throw new Error(`Setting 'auth_url' is not defined`)
        if (!this.authClientId) throw new Error(`Setting 'auth_client_id' is not defined`)
        if (!this.authClientSecret) throw new Error(`Setting 'auth_client_secret' is not defined`)
        if (!this.apiUrl) throw new Error(`Setting 'api_url' is not defined`)
        if (!this.targetLanguages) throw new Error(`Setting 'translate_to' is not defined`)
    }
}