Function useQueries

docs/lib/ReactRouter.js:905–1036

* Returns a new createHistory function that may be used to create * history objects that know how to handle URL queries.

(createHistory)

	 * history objects that know how to handle URL queries.
	 */
	function useQueries(createHistory) {
	  return function () {
	    var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
	    var stringifyQuery = options.stringifyQuery;
	    var parseQueryString = options.parseQueryString;

	    var historyOptions = _objectWithoutProperties(options, ['stringifyQuery', 'parseQueryString']);

	    var history = createHistory(historyOptions);

	    if (typeof stringifyQuery !== 'function') stringifyQuery = defaultStringifyQuery;

	    if (typeof parseQueryString !== 'function') parseQueryString = defaultParseQueryString;

	    function addQuery(location) {
	      if (location.query == null) {
	        var search = location.search;

	        location.query = parseQueryString(search.substring(1));
	        location[SEARCH_BASE_KEY] = { search: search, searchBase: '' };
	      }

	      // TODO: Instead of all the book-keeping here, this should just strip the
	      // stringified query from the search.

	      return location;
	    }

	    function appendQuery(location, query) {
	      var _extends2;

	      var searchBaseSpec = location[SEARCH_BASE_KEY];
	      var queryString = query ? stringifyQuery(query) : '';
	      if (!searchBaseSpec && !queryString) {
	        return location;
	      }

	       false ? _warning2['default'](stringifyQuery !== defaultStringifyQuery || !isNestedObject(query), 'useQueries does not stringify nested query objects by default; ' + 'use a custom stringifyQuery function') : undefined;

	      if (typeof location === 'string') location = _PathUtils.parsePath(location);

	      var searchBase = undefined;
	      if (searchBaseSpec && location.search === searchBaseSpec.search) {
	        searchBase = searchBaseSpec.searchBase;
	      } else {
	        searchBase = location.search || '';
	      }

	      var search = searchBase;
	      if (queryString) {
	        search += (search ? '&' : '?') + queryString;
	      }

	      return _extends({}, location, (_extends2 = {
	        search: search
	      }, _extends2[SEARCH_BASE_KEY] = { search: search, searchBase: searchBase }, _extends2));
	    }