index.js

var util = require("util"),
  whois = require("whois-raw"),
  parseRawData = require("./parse-raw-data.js");

var lookup = util.promisify(whois.lookup);

module.exports = {
  lookup: async function (domain, options = {}) {
    // Where possible don't follow the detailed results to improve efficiency
    if (options && !options.hasOwnProperty("follow")) {
      if (
        domain.endsWith(".org") ||
        domain.endsWith(".net") ||
        domain.endsWith(".com")
      ) {
        options["follow"] = 0;
      }
    }
    //console.log("looking up whois for " + domain);
    var result = {};
    try {
      var rawData = await lookup(domain, options || {});

      if (typeof rawData === "object") {
        result = rawData.map(function (data) {
          data.data = parseRawData(data.data, domain);
          return data;
        });
      } else {
        result = { ...result, ...parseRawData(rawData, domain) };
      }
      return result;
    } catch (err) {
      //console.log(err);
      throw err;
    }
  },
};