AssetRegistry index.js

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  /**
 * Copyright (c) Nicolas Gallagher.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */
 
export type PackagerAsset = {
  __packager_asset: boolean,
  fileSystemLocation: string,
  httpServerLocation: string,
  width: ?number,
  height: ?number,
  scales: Array<number>,
  hash: string,
  name: string,
  type: string
};
 
const assets: Array<PackagerAsset> = [];
 
export function registerAsset(asset: PackagerAsset): number {
  // `push` returns new array length, so the first asset will
  // get id 1 (not 0) to make the value truthy
  return assets.push(asset);
}
 
export function getAssetByID(assetId: number): PackagerAsset {
  return assets[assetId - 1];
}