query string parser

query-string-parser.js

/**
 * modified code of gist - https://gist.github.com/Manc/9409355
 * - newer syntax
 * - decodeURIComponent instead of generic decoding function (unescape)
 * keys with name name defined after will take priority
*/
export function parseQueryString(location) {
  const query = decodeURIComponent(location).trim();
  const obj = {};
  const qPos = query.indexOf('?');
  const tokens = query.substr(qPos + 1).split('&');
  if (qPos !== -1 || query.indexOf('=') !== -1) {
    tokens.forEach((token) => {
      const [key, value] = token.split('=');
      obj[key] = value;
    })
  }
  return obj;
}