Function mergeQs

lib/utils.js:34–55

* Merges two query parameter objects. Merges to array * if the same key is encountered. * * @public * @function mergeQs * @param {Object} obj1 - first qs object * @param {Object} obj2 - second qs object * @returns {Object} the merged object

(obj1, obj2)

 * @returns {Object}        the merged object
 */
function mergeQs(obj1, obj2) {
    var merged = shallowCopy(obj1) || {};

    // defend against null cause null is an object. yay js.
    if (obj2 && typeof obj2 === 'object') {
        Object.keys(obj2).forEach(function forEach(key) {
            // if we already have this key and it isn't an array,
            // make it one array of the same element.
            if (merged.hasOwnProperty(key) && !(merged[key] instanceof Array)) {
                merged[key] = [merged[key]];

                // push the new value down
                merged[key].push(obj2[key]);
            } else {
                // otherwise just set it
                merged[key] = obj2[key];
            }
        });
    }

    return merged;
}

///--- Exports