Class: AsyncDecompress

May 16, 2026 ยท View on GitHub

fflate


Class: AsyncDecompress

Asynchronous streaming GZIP, Zlib, or raw DEFLATE decompression

Constructors

Constructor

new AsyncDecompress(opts: InflateStreamOptions, cb?: AsyncFlateStreamHandler): AsyncDecompress

Creates an asynchronous decompression stream

Parameters

opts

InflateStreamOptions

The decompression options

cb?

AsyncFlateStreamHandler

The callback to call whenever data is decompressed

Returns

AsyncDecompress

Constructor

new AsyncDecompress(cb?: AsyncFlateStreamHandler): AsyncDecompress

Creates an asynchronous decompression stream

Parameters

cb?

AsyncFlateStreamHandler

The callback to call whenever data is decompressed

Returns

AsyncDecompress

Properties

ondata

ondata: AsyncFlateStreamHandler

The handler to call whenever data is available


ondrain?

optional ondrain?: AsyncFlateDrainHandler

The handler to call whenever buffered source data is processed (i.e. queuedSize updates)


queuedSize

queuedSize: number

The number of compressed bytes buffered in the stream

Methods

push()

push(chunk: Uint8Array, final?: boolean): void

Pushes a chunk to be decompressed

Parameters

chunk

Uint8Array

The chunk to push

final?

boolean

Whether this is the last chunk

Returns

void