/**
 * 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.
 *
 */ const ALLOWED_SCALES = { ios : [ 1 , 2 , 3 ] , } ; function filterPlatformAssetScales ( platform , scales ) { const whitelist = ALLOWED_SCALES [ platform ] ; if ( ! whitelist ) { return scales ; } const result = scales . filter ( ( scale ) => whitelist . indexOf ( scale ) > - 1 ) ; if ( result . length === 0 && scales . length > 0 ) { const maxScale = whitelist [ whitelist . length - 1 ] ; for ( const scale of scales ) { if ( scale > maxScale ) { result . push ( scale ) ; break ; } } if ( result . length === 0 ) { result . push ( scales [ scales . length - 1 ] ) ; } } return result ; } export default filterPlatformAssetScales ;