angular15-generator/lib/cli/locales/index.js

CLI tool to generate Angular 1.5 w/ TypeScript Routes and Components like Angular 2 CLI

'use strict';

const osLocale = require('os-locale');
const path = require('path');
const Y18n = require('y18n');
const fse = require('fs-extra');

class Locales {

  constructor() {
    this.y18n = Y18n({
      directory: path.resolve(__dirname),
      updateFiles: false,
      locale: this.detectOsLocale()
    });
  }

  detectOsLocale() {
    let locale = this._getOsLocale();

    let exist = this._checkIfLocaleFileExist(locale);

    if (exist) {
      return locale;
    }

    return 'en';
  }

  _getOsLocale() {
    let locale;
    try {
      locale = osLocale.sync({ spawn: false });
    } catch (err) {
      locale = 'en';
    }

    return locale;
  }

  _checkIfLocaleFileExist(locale) {
    let json = fse.readJsonSync(path.join(__dirname, `${locale.substring(0, 2)}.json`), { throws: false });

    return json != null;
  }

  localized(key) {
    return this.y18n.__(key);
  }

}

module.exports = Locales;