// Copyright 2026 The Lynx Authors. All rights reserved.
// Licensed under the Apache License Version 2.0 that can be found in the
// LICENSE file in the root directory of this source tree.

import { isMainThreadObjectHandle } from './main-thread-object-handle-registry.js';

/**
 * Preserve opaque main-thread object handles when the worklet transform narrows a
 * captured member expression. Ordinary objects keep the transform's compact
 * fallback shape. The transform evaluates that shape lazily with
 * `captureMainThreadObject(source) ?? fallback`.
 *
 * @internal
 */
export function captureMainThreadObject<T>(source: T): T | undefined {
  return isMainThreadObjectHandle(source) ? source : undefined;
}