StreamReader.d.ts•1.63 kB
/// <reference types="node" />
import { Readable } from 'stream';
export { EndOfStreamError } from './EndOfFileStream';
export declare class StreamReader {
private s;
/**
* Deferred used for postponed read request (as not data is yet available to read)
*/
private deferred;
private endOfStream;
/**
* Store peeked data
* @type {Array}
*/
private peekQueue;
constructor(s: Readable);
/**
* Read ahead (peek) from stream. Subsequent read or peeks will return the same data
* @param uint8Array - Uint8Array (or Buffer) to store data read from stream in
* @param offset - Offset target
* @param length - Number of bytes to read
* @returns Number of bytes peeked
*/
peek(uint8Array: Uint8Array, offset: number, length: number): Promise<number>;
/**
* Read chunk from stream
* @param buffer - Target Uint8Array (or Buffer) to store data read from stream in
* @param offset - Offset target
* @param length - Number of bytes to read
* @returns Number of bytes read
*/
read(buffer: Uint8Array, offset: number, length: number): Promise<number>;
/**
* Read chunk from stream
* @param buffer Target Uint8Array (or Buffer) to store data read from stream in
* @param offset Offset target
* @param length Number of bytes to read
* @returns Number of bytes read
*/
private readFromStream;
/**
* Process deferred read request
* @param request Deferred read request
*/
private readDeferred;
private reject;
}