iobroker.growatt/lib/env/tools.js

ioBroker Growatt Adapter to communiacte with ShineAPI

const axios = require('axios');

/**
 * Tests whether the given variable is a real object and not an Array
 * @param {any} it The variable to test
 * @returns {it is Record<string, any>}
 */
function isObject(it) {
  // This is necessary because:
  // typeof null === 'object'
  // typeof [] === 'object'
  // [] instanceof Object === true
  return Object.prototype.toString.call(it) === '[object Object]';
}

/**
 * Tests whether the given variable is really an Array
 * @param {any} it The variable to test
 * @returns {it is any[]}
 */
function isArray(it) {
  if (Array.isArray != null) return Array.isArray(it);

  return Object.prototype.toString.call(it) === '[object Array]';
}

/**
 * Choose the right tranalation API
 * @param {string} text The text to translate
 * @param {string} targetLang The target languate
 * @param {string} yandex api key
 * @returns {Promise<string>}
 */
async function translateText(text, targetLang, yandex) {
  if (targetLang === 'en') {
    return text;
  }
  if (yandex) {
    return await translateYandex(text, targetLang, yandex);
  }

  return await translateGoogle(text, targetLang);
}

/**
 * Translates text with Yandex API
 * @param {string} text The text to translate
 * @param {string} targetLang The target languate
 * @param {string} yandex api key
 * @returns {Promise<string>}
 */
async function translateYandex(text, targetLang, yandex) {
  if (targetLang === 'zh-cn') {
    targetLang = 'zh';
  }
  try {
    const url = `https://translate.yandex.net/api/v1.5/tr.json/translate?key=${yandex}&text=${encodeURIComponent(text)}&lang=en-${targetLang}`;
    const response = await axios({ url, timeout: 15000 });

    if (response.data && response.data.text) {
      return response.data.text[0];
    }
    throw new Error('Invalid response for translate request');
  } catch (e) {
    throw new Error(`Could not translate to "${targetLang}": ${e}`);
  }
}

/**
 * Translates text with Google API
 * @param {string} text The text to translate
 * @param {string} targetLang The target languate
 * @returns {Promise<string>}
 */
async function translateGoogle(text, targetLang) {
  try {
    const url = `http://translate.googleapis.com/translate_a/single?client=gtx&sl=en&tl=${targetLang}&dt=t&q=${encodeURIComponent(
      text
    )}&ie=UTF-8&oe=UTF-8`;
    const response = await axios({ url, timeout: 15000 });

    if (isArray(response.data)) {
      // we got a valid response
      return response.data[0][0][0];
    }
    throw new Error('Invalid response for translate request');
  } catch (e) {
    throw new Error(`Could not translate to "${targetLang}": ${e}`);
  }
}

module.exports = {
  isArray,
  isObject,
  translateText,
};