Function getter

OpenReservation/wwwroot/Scripts/angular.js:1843–1860

(obj, path, bindFnToScope)

     */
    //TODO(misko): this function needs to be removed
    function getter(obj, path, bindFnToScope) {
        if (!path) return obj;
        var keys = path.split('.');
        var key;
        var lastInstance = obj;
        var len = keys.length;

        for (var i = 0; i < len; i++) {
            key = keys[i];
            if (obj) {
                obj = (lastInstance = obj)[key];
            }
        }
        if (!bindFnToScope && isFunction(obj)) {
            return bind(lastInstance, obj);
        }
        return obj;
    }

    /**
     * Return the DOM siblings between the first and last node in the given array.