/**

 * 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

 */

import {TextDecoder} from 'util';

export type StringDecoder = TextDecoder;

export function createStringDecoder(): StringDecoder {

  return new TextDecoder();

}

const decoderOptions = {stream: true};

export function readPartialStringChunk(

  decoder: StringDecoder,

  buffer: Uint8Array,

): string {

  return decoder.decode(buffer, decoderOptions);

}

export function readFinalStringChunk(

  decoder: StringDecoder,

  buffer: Uint8Array,

): string {

  return decoder.decode(buffer);

}