Function unpackAnd

src/model.js:4711–4731

* Unpacks an object that only contains a single Op.and key to the value of Op.and * * Internal method used by combineWheresWithAnd * * @param {WhereOptions} where The object to unpack * @example `{ [Op.and]: [a, b] }` becomes `[a, b]` * @example `{ [Op.and]: { key: val } }` becomes `{

(where)

 * @private
 */
function unpackAnd(where) {
  if (!_.isObject(where)) {
    return where;
  }

  const keys = Utils.getComplexKeys(where);

  // object is empty, remove it.
  if (keys.length === 0) {
    return;
  }

  // we have more than just Op.and, keep as-is
  if (keys.length !== 1 || keys[0] !== Op.and) {
    return where;
  }

  const andParts = where[Op.and];

  return andParts;
}

function combineWheresWithAnd(whereA, whereB) {
  const unpackedA = unpackAnd(whereA);