fflate/docs/classes/zipdeflate.md

Class: ZipDeflate

Streaming DEFLATE compression for ZIP archives. Prefer using AsyncZipDeflate for better performance

Hierarchy

• ZipDeflate

Implements

• ZipInputFile

Index

Constructors

• constructor

Properties

• attrs
• compression
• crc
• filename
• flag
• ondata
• os
• size

Methods

• process
• push

Constructors

constructor

+ new ZipDeflate(filename: string, opts: DeflateOptions): ZipDeflate

Creates a DEFLATE stream that can be added to ZIP archives

Parameters:

Name	Type	Default value	Description
filename	string	-	The filename to associate with this data stream
opts	DeflateOptions	{}	The compression options

Returns: ZipDeflate

Properties

attrs

• Optional attrs: number

Implementation of ZipInputFile.attrs

---

compression

• compression: number

Implementation of ZipInputFile.compression

---

crc

• crc: number

Implementation of ZipInputFile.crc

---

filename

• filename: string

Implementation of ZipInputFile.filename

---

flag

• flag: 0 | 1 | 2 | 3

Implementation of ZipInputFile.flag

---

ondata

• ondata: AsyncFlateStreamHandler

Implementation of ZipInputFile.ondata

---

os

• Optional os: number

Implementation of ZipInputFile.os

---

size

• size: number

Implementation of ZipInputFile.size

Methods

process

▸ process(chunk: Uint8Array, final: boolean): void

Parameters:

Name	Type
chunk	Uint8Array
final	boolean

Returns: void

---

push

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

Pushes a chunk to be deflated

Parameters:

Name	Type	Description
chunk	Uint8Array	The chunk to push
final?	boolean	Whether this is the last chunk

Returns: void