/**

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 *

 * @flow

 */

const chunkMap: Map<string, string> = new Map();

/**

 * We patch the chunk filename function in webpack to insert our own resolution

 * of chunks that come from Flight and may not be known to the webpack runtime

 */

const webpackGetChunkFilename = __webpack_require__.u;

__webpack_require__.u = function (chunkId: string) {

  const flightChunk = chunkMap.get(chunkId);

  if (flightChunk !== undefined) {

    return flightChunk;

  }

  return webpackGetChunkFilename(chunkId);

};

export function loadChunk(chunkId: string, filename: string): Promise<mixed> {

  chunkMap.set(chunkId, filename);

  return __webpack_chunk_load__(chunkId);

}