Function parameterString

client/js-client/src/rlClient.js:80–93

(params, keep)

    }

    function parameterString(params, keep) {
        var preserved = underscore.chain(underscore.keys(params).sort())
            .filter(function (x) {
                return underscore.contains(keep, x);
            })
            .map(function (key) {
                return key + "=" + params[key];
            })
            .value();
        if (preserved.length > 0) {
            return params.query_delimiter + preserved.join("&");
        }
        return "";
    }

    function rewrite(url, rules) {
        var rewritten = url;