| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @flow |
| 8 | */ |
| 9 | |
| 10 | // Turns a TypedArray or ArrayBuffer into a string that can be used for comparison |
| 11 | // in a Map to see if the bytes are the same. |
| 12 | export default function binaryToComparableString( |
| 13 | view: $ArrayBufferView, |
| 14 | ): string { |
| 15 | return String.fromCharCode.apply( |
| 16 | String, |
| 17 | new Uint8Array(view.buffer, view.byteOffset, view.byteLength), |
| 18 | ); |
| 19 | } |