get-query-string-param.js

export default getQueryStringParam

/**
 * Original Source: http://stackoverflow.com/a/901144/971592
 *
 * This method will get the value of a part of a query string in a given url
 *
 * @param {String} url - the url to get the value from
 * @param {String} name - The property from the query string
 * @return {String} - the value
 */
function getQueryStringParam(url, name) {
  const regexReadyName = name.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
  const regex = new RegExp('[\\?&]' + regexReadyName + '=([^&#]*)')
  const results = regex.exec(url)
  return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '))
}