/**
 * 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 strict-local
 * @format
 */

import type { Config } from "@react-native-community/cli-types";
import { loadConfig } from "metro";

type HydratedMetroConfig = Awaited<ReturnType<typeof loadConfig>>;
type ArgvInput = Parameters<typeof loadConfig>[0];

export type { Config };

export type ConfigLoadingContext = Readonly<{
  root: Config["root"],
  platforms: Config["platforms"],
  ...
}>;

/**
 * Load Metro config.
 *
 * Allows the CLI to override select values in `metro.config.js` based on
 * dynamic user options in `ctx`.
 */
declare export default function loadMetroConfig(
  ctx: ConfigLoadingContext,
  options?: NonNullable<ArgvInput>,
): Promise<HydratedMetroConfig>;