merge-obj.js

'use strict';

let merge = function (){
  let _obj = {};
  const argv = Array.prototype.slice.call(arguments);
  argv.map(function(item){
    const key = Object.keys(item);
    key.map(function(newKey){
      Object.defineProperty(_obj, newKey, {
        value: item[newKey],
        enumerable: true,
        writable: false,
        configurable: false,
      });
    });
  });
  return _obj;
};

exports = module.exports = merge;