params.js

    /**
     * Turns: {
     *   keyOne: promiseOne,
     *   keyTwo: promiseTwo
     * } into {
     *   keyOne: resolutionOne,
     *   keyTwo: resolutionTwo
     * }
     * 
     * (To avoid messing around with unclear array indices when calling different
     * kinds of async ops; e.g. different database queries and some file system call)
     */
    function params(object) {
        var keys = Object.keys(object);

        return Q.all(keys.map(function (key) {
            return Q(object[key]);
        })).then(function (values) {
            var result = {};
            if (values.length !== keys.length) {
                throw new Error();
            }
            for (var i = 0; i < keys.length; i += 1) {
                result[keys[i]] = values[i];
            }

            return result;
        });
    };