/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at . */ function isFront(result) { return !!result && typeof result === "object" && !!result.getGrip; } export function getGrip(result) { if (isFront(result)) { return result.getGrip(); } return result; } export function getFront(result) { return isFront(result) ? result : null; }