iAmao / lite-re-router

 * formatQuery - format a uri query string into a query object;

 * @param {String} queries - uri query string

 * @return {Object} - query object

 */

export const formatQuery = (queries) => {

  return queries.length ?

    queries.substr(1).split('&').reduce((queryObj, query) => {

      queryObj[decodeURI(query.split('=')[0])] = decodeURI(query.split('=')[1]);

      return queryObj;

    }, {}) : {};

};

/**

 * pickQuery - construct query object from an absolute url

 * @param {String} path - absolute url

 * @return {Object} - query object

 */

export const pickQuery = (path) => {

  const splitRoute = path.split('?');

  return splitRoute.length > 1 ? formatQuery(`?${splitRoute[1]}`) : {};

};

/**

 * getParams - contruct the real url and param object from active routes

 * @param {String} activeRoute - current route to generate param for

 * @param {String} path - current url

 * @return {Object} - both the true url and the param object

 */

export const getParams = (activeRoute, path) => {

  // split routes into sections

  const splitRoute = activeRoute.split('/');

  const splitPath = path.split('/');

  // Loop through each section in the active route

  const params = splitRoute.reduce((param, route, index) => {

    // check if section is the param

    if (route.match(':')) {

      // set the value of the param

      param[route.substr(1)] = splitPath[index];

    }

    return param;

  }, {});

  // Loop through each section in the real route to construct a url

  const trueRoute = splitRoute

    .map((routeFrag) => params[routeFrag.substr(1)] || routeFrag)

    .join('/');

  return { trueRoute, params };

}

/**

 * isCallableCheck - checks if a function is a callable or constructable

 * and a boolean in the either cases

 * @export

 * @param {function} obj 

 * @returns {boolean}  - returns true or false

 */