Class: Zlib
May 16, 2026 ยท View on GitHub
Class: Zlib
Streaming Zlib compression
Constructors
Constructor
new Zlib(
opts:ZlibOptions,cb?:FlateStreamHandler):Zlib
Creates a Zlib stream
Parameters
opts
The compression options
cb?
The callback to call whenever data is deflated
Returns
Zlib
Constructor
new Zlib(
cb?:FlateStreamHandler):Zlib
Creates a Zlib stream
Parameters
cb?
The callback to call whenever data is deflated
Returns
Zlib
Properties
ondata
ondata:
FlateStreamHandler
The handler to call whenever data is available
Methods
flush()
flush(
sync?:boolean):void
Flushes buffered uncompressed data. Useful to immediately retrieve the zlibbed output for small inputs.
Parameters
sync?
boolean
Whether to flush to a byte boundary. A sync flush takes 4-5 extra bytes, but guarantees all pushed data is immediately decompressible.
Returns
void
push()
push(
chunk:Uint8Array,final?:boolean):void
Pushes a chunk to be zlibbed
Parameters
chunk
Uint8Array
The chunk to push
final?
boolean
Whether this is the last chunk
Returns
void