create-expo-cljs-app/template/node_modules/metro/src/shared/output/RamBundle.js.flow

Create a react native application with Expo and Shadow-CLJS!

/**
 * Copyright (c) Facebook, Inc. and its 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
 */

'use strict';

const Server = require('../../Server');

const asAssets = require('./RamBundle/as-assets');
const asIndexedFile = require('./RamBundle/as-indexed-file').save;

import type {OutputOptions, RequestOptions} from '../types.flow';
import type {RamBundleInfo} from '../../DeltaBundler/Serializers/getRamBundleInfo';

async function build(
  packagerClient: Server,
  requestOptions: RequestOptions,
): Promise<RamBundleInfo> {
  const options = {
    ...Server.DEFAULT_BUNDLE_OPTIONS,
    ...requestOptions,
    bundleType: 'ram',
  };
  return await packagerClient.getRamBundleInfo(options);
}

function save(
  bundle: RamBundleInfo,
  options: OutputOptions,
  log: (x: string) => void,
): Promise<mixed> {
  // We fork here depending on the platform: while Android is pretty good at
  // loading individual assets, iOS has a large overhead when reading hundreds
  // of assets from disk.
  return options.platform === 'android' && !(options.indexedRamBundle === true)
    ? asAssets(bundle, options, log)
    : asIndexedFile(bundle, options, log);
}

exports.build = build;
exports.save = save;
exports.formatName = 'bundle';