Parses query string into key/value object.

@static
@memberOf _
@category Object
@param {string} string Query string.
@return {object} Key/value map.
@example

_.parseQueryString('key=value');
// => { key: 'value' }
421609
function parseQueryString(string) {
    return _.transform(_.toString(string).split('&'), (result, segment) => {
        const split = segment.split('=');
        result[decodeURIComponent(split[0])] = decodeURIComponent(split[1]);
    }, {});
}
734978
function (param) {
        _.assign(this, /** @lends QueryParam.prototype */ _.isString(param) ? QueryParam.parseSingle(param) : {
            key: _.get(param, 'key'), // we do not replace falsey with blank string since null has a meaning
            value: _.get(param, 'value')
        });
        _.has(param, 'system') && (this.system = param.system);
    }
935323
function parseKeyValue(/**string*/keyValue) {
  var obj = {}, key_value, key;
  forEach((keyValue || "").split('&'), function(keyValue) {
    if (keyValue) {
      key_value = keyValue.replace(/\+/g,'%20').split('=');
      key = tryDecodeURIComponent(key_value[0]);
      if (isDefined(key)) {
        var val = isDefined(key_value[1]) ? tryDecodeURIComponent(key_value[1]) : true;
        if (!hasOwnProperty.call(obj, key)) {
          obj[key] = val;
        } else if (isArray(obj[key])) {
          obj[key].push(val);
        } else {
          obj[key] = [obj[key],val];
        }
      }
    }
  });
  return obj;
}
547468
function parseSearchString(str) {

    str = tia.cU.replaceXTypesInTeq(str);

    var re = /&(\w|\d|_|-)+/g;

    var searchData = [];
    var prevLastIndex = 0;
    var query;

    while (true) {
      var reResult = re.exec(str);

      if (reResult === null) {
        // Only query string.
        query = str.slice(prevLastIndex).trim();
        if (query) {
          searchData.push({
            query: query,
          });
        }
        return searchData;
      }

      query = str.slice(prevLastIndex, reResult.index).trim();
      var reference = str.slice(reResult.index + 1, re.lastIndex).trim();
      prevLastIndex = re.lastIndex;

      if (query) {
        searchData.push({
          query: query,
        });
      }

      searchData.push({
        reference: reference,
      });

    }
  }
683232
function toQueryString(object) {
    return _.transform(object, (results, value, key) => {
        results.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));
    }, []).join('&');
}
929492
function getQueryString(data) {
    if (!data || typeof data !== 'object' || !Object.keys(data).length)
        return '';
    return '?' + Object.keys(data).map((k) => {
        const value = (typeof data[k] === 'object')
            ? JSON.stringify(data[k])
            : encodeURIComponent(data[k]);
        return `${encodeURIComponent(k)}=${value}`;
    }).join('&');
}
989348
function _parseKey(key) {
  const result = key.match(/^(.+)\[([0-9]+)\]$/);

  if (result) {
    return {element: result[1], index: parseInt(result[2], 10)};
  } else {
    return {element: key, index: null};
  }
}
872623
function querystring(query) {
      var parser = /([^=?&]+)=([^&]*)/g
        , result = {}
        , part;

      //
      // Little nifty parsing hack, leverage the fact that RegExp.exec increments
      // the lastIndex property so we can continue executing this loop until we've
      // parsed all results.
      //
      for (;
        part = parser.exec(query);
        result[decodeURIComponent(part[1])] = decodeURIComponent(part[2])
      );

      return result;
    }
651642
function parseKey (inp) {
    var res = parseString(inp);
    if (res) return res;
  
    var match = inp.takeAPeek(JS_IDENT);
    if (match) return match[0]
  }
720616
Map<String, String> parseJsStringMap(String input) throws ParseException {
    input = CharMatcher.whitespace().trimFrom(input);
    check(
        !input.isEmpty() && input.charAt(0) == '{' && input.charAt(input.length() - 1) == '}',
        "Syntax error when parsing JS object");
    input = input.substring(1, input.length() - 1).trim();

    Map<String, String> results = new LinkedHashMap<>();
    boolean done = input.isEmpty();
    valueMatcher.reset(input);
    while (!done) {
      // Parse the next key (TODO(sdh): need to support non-quoted keys?).
      check(valueMatcher.lookingAt(), "Bad key in JS object literal");
      String key = valueMatcher.group(1) != null ? valueMatcher.group(1) : valueMatcher.group(2);
      check(!valueMatcher.hitEnd(), "Missing value in JS object literal");
      check(input.charAt(valueMatcher.end()) == ':', "Missing colon in JS object literal");
      valueMatcher.region(valueMatcher.end() + 1, valueMatcher.regionEnd());

      // Parse the corresponding value.
      check(valueMatcher.lookingAt(), "Bad value in JS object literal");
      String val = valueMatcher.group(1) != null ? valueMatcher.group(1) : valueMatcher.group(2);
      results.put(key, val);
      if (!valueMatcher.hitEnd()) {
        check(input.charAt(valueMatcher.end()) == ',', "Missing comma in JS object literal");
        valueMatcher.region(valueMatcher.end() + 1, valueMatcher.regionEnd());
      } else {
        done = true;
      }
    }
    return results;
  }
513661
function (query, params, stringifier) {
    if (!query || !query.length || !params) {
      return query;
    }
    if (!stringifier) {
      stringifier = function (a) {return a.toString()};
    }
    var parts = [];
    var isLiteral = false;
    var lastIndex = 0;
    var paramsCounter = 0;
    for (var i = 0; i < query.length; i++) {
      var char = query.charAt(i);
      if (char === "'" && query.charAt(i-1) !== '\\') {
        //opening or closing quotes in a literal value of the query
        isLiteral = !isLiteral;
      }
      if (!isLiteral && char === '?') {
        //is a placeholder
        parts.push(query.substring(lastIndex, i));
        parts.push(stringifier(params[paramsCounter++]));
        lastIndex = i+1;
      }
    }
    parts.push(query.substring(lastIndex));
    return parts.join('');
  }
1233953
private static Map<String,String> parseQuery(URL url) throws UnsupportedEncodingException {
		Map<String,String> params = new LinkedHashMap<String, String>();
		String query = url.getQuery();
		if( query == null || query.isEmpty()) {
			// empty query
			return params;
		}
		String[] pairs = url.getQuery().split("&");
		for(String pair: pairs) {
			int i = pair.indexOf("=");
			String key = pair;
			if(i > 0) {
				key = URLDecoder.decode(pair.substring(0, i), "UTF-8");
			}
			String value = null;
			if(i > 0 && pair.length() > i+1) {
				value = URLDecoder.decode(pair.substring(i+1), "UTF-8");
			}
			// note that this uses the last instance if a parameter is specified multiple times
			params.put(key.toLowerCase(), value);
		}
		return params;
	}
1205999
function (url) {
        !url && (url = E);
        var parsedUrl = _.isString(url) ? Url.parse(url) : url,
            auth = parsedUrl.auth,
            protocol = parsedUrl.protocol,
            port = parsedUrl.port,
            path = parsedUrl.path,
            hash = parsedUrl.hash,
            host = parsedUrl.host,
            query = parsedUrl.query,
            variable = parsedUrl.variable;

        // convert object based query string to array
        // @todo: create a key value parser
        if (query) {
            if (_.isString(query)) {
                query = QueryParam.parse(query);
            }

            if (!_.isArray(query) && _.keys(query).length) {
                query = _.map(_.keys(query), function (key) {
                    return {
                        key: key,
                        value: query[key]
                    };
                });
            }
        }

        // backward compatibility with path variables being storing thins with `id`
        if (_.isArray(variable)) {
            variable = _.map(variable, function (v) {
                _.isObject(v) && (v.key = v.key || v.id); // @todo Remove once path variables are deprecated
                return v;
            });
        }

        // expand string path name
        if (_.isString(path)) {
            path && (path = path.replace(regexes.trimPath, MATCH_1)); // remove leading slash for valid path
            // if path is blank string, we set it to undefined, if '/' then single blank string array
            path = path ? (path === PATH_SEPARATOR ? [E] : path.split(PATH_SEPARATOR)) : undefined;
        }

        // expand host string
        _.isString(host) && (host = host.split(regexes.splitDomain));

        _.assign(this, /** @lends Url.prototype */ {
            /**
             * @type {String}
             */
            auth: auth,

            /**
             * @type {String}
             */
            protocol: protocol,

            /**
             * @type {String}
             */
            port: port || undefined,

            /**
             * @type {Array<String>}
             */
            path: path,

            /**
             * @type {String}
             */
            hash: hash || undefined,

            /**
             * @type {Array<String>}
             */
            host: host,

            /**
             * @type {PropertyList<QueryParam>}
             */
            query: new PropertyList(QueryParam, this, query || []),

            /**
             * @type {VariableList}
             */
            variables: new VariableList(this, variable || [])
        });
    }
683800
function parseKeyValue(/**string*/keyValue) {
  var obj = {}, key_value, key;
  forEach((keyValue || "").split('&'), function(keyValue){
    if (keyValue) {
      key_value = keyValue.split('=');
      key = decodeURIComponent(key_value[0]);
      obj[key] = isDefined(key_value[1]) ? decodeURIComponent(key_value[1]) : true;
    }
  });
  return obj;
}
566839
function queryStringToObject(queryString) {
        var pairs = queryString.split('&');
        var result = {};
        pairs.forEach(function (pair) {
            pair = pair.split('=');
            result[pair[0]] = decodeURIComponent(pair[1] || '');
        });
        return JSON.parse(JSON.stringify(result));
    }
810740
function parseQuery(str, opts = {}) {
  let _querys = {};
  decodeURIComponent(str || '').replace(/\+/g, ' ')
  // (optional no-capturing & )(key)=(value)
  .replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, _name, _value) {
    if (_name) {
      let _path, _acc, _tmp, _ref;
      (_path = []).unshift(_name = _name.replace(/\[([^\]]*)]/g, function ($0, _k) {
        _path.push(_k);
        return '';
      }));
      _ref = _querys;
      for (let j = 0; j < _path.length - 1; j++) {
        _acc = _path[j];
        _tmp = _path[j + 1];
        if (!_ref[_acc]) {
          _ref[_acc] = _tmp === '' || /^[0-9]+$/.test(_tmp) ? [] : {};
        }
        _ref = _ref[_acc];
      }
      if (opts.boolval) {
        // first
        if (_value === 'true') {
          _value = true;
        } else if (_value === 'false') {
          _value = false;
        }
      } else if (opts.intval) {
        // skip "true" & "false"
        if (_tmp = parseInt(_value) === _value) {
          _value = _tmp;
        }
      }
      if ((_acc = _path[_path.length - 1]) === '') {
        _ref.push(_value);
      } else {
        _ref[_acc] = _value;
      }
    }
  });
  return _querys;
}
281813
function parseString(str, options){
  var ret = reduce(String(str).split(options.separator), function(ret, pair){
    var eql = indexOf(pair, '=')
      , brace = lastBraceInKey(pair)
      , key = pair.substr(0, brace || eql)
      , val = pair.substr(brace || eql, pair.length)
      , val = val.substr(indexOf(val, '=') + 1, val.length);

    // ?foo
    if ('' == key) key = pair, val = '';
    if ('' == key) return ret;

    return merge(ret, decode(key), decode(val));
  }, { base: {} }).base;

  return compact(ret);
}