ES6 Format timestamp to locale string

niceDate.js

/**
 * Returns a nice date, dude!
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleDateString
 * @param  {string} timestamp A timestamp waiting to be parsed
 * @pram   {object} options   See the link provided above
 * @param  {String} locale    locale string
 * @return {string}           A formatted timestamp
 */
export const niceDate = (timestamp, options = {}, locale = "en-US") => {
  const mergedOptions = {
    ...{ weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' },
    ...options,
  };

  return new Date(timestamp).toLocaleDateString(locale, mergedOptions);
}