promisify.js

const promisifyFunction = function (func) {

    return function () {
      let that = this,
      // IE10 fix (in IE10 Promise.all(arguments) neither Array.from(arguments) doesn't work
        args = Array.from ? Array.from(arguments) : _.map(_.identity, arguments);

      return Promise.all(args).then(function (resolvedArguments) {
        return func.apply(that, resolvedArguments);
      });
    };
  };