Function defineProperty

assert/object_match.ts:55–62

(target: object, key: PropertyKey, value: unknown)

}

function defineProperty(target: object, key: PropertyKey, value: unknown) {
  return Object.defineProperty(target, key, {
    value,
    configurable: true,
    enumerable: true,
    writable: true,
  });
}

function filter(a: Loose, b: Loose): Loose {
  const seen = new WeakMap<Loose | unknown[], Loose | unknown[]>();