export function shallowEqual<T extends Record<string, any>>(
  a: T,
  b: T
): boolean {
  if (Object.is(a, b)) return true;
  if (!a || !b) return false;
  const aKeys = Object.keys(a);
  const bKeys = Object.keys(b);
  if (aKeys.length !== bKeys.length) return false;
  for (let i = 0; i < aKeys.length; i++) {
    const key = aKeys[i];
    if (
      !Object.prototype.hasOwnProperty.call(b, key!) ||
      !Object.is(a[key!], b[key!])
    ) {
      return false;
    }
  }
  return true;
}