lz4.js

LZ4 for browser

Install and Use

bower

bower install lz4

html

<script src="bower_components/lz4/lz4.js"></script>

npm

npm install lz4-asm

npm global

npm install lz4-asm -g
lz4-asm -h

API

static values

• lz4.BLOCK_MAX_SIZE_64KB
• lz4.BLOCK_MAX_SIZE_256KB
• lz4.BLOCK_MAX_SIZE_1MB
• lz4.BLOCK_MAX_SIZE_4MB

lz4.compress(source, options)

compress to a lz4 buffer.

• source Uint8Array | Buffer
• options
  • compressionLevel number (range of 0-16, default is 0)
  • blockMaxSize number (lz4.BLOCK_MAX_SIZE_XX, default is lz4.BLOCK_MAX_SIZE_4MB)
  • blockIndependent boolean (default is false)
  • contentChecksum boolean (default is false)
• return Uint8Array | Buffer

lz4.decompress(source)

decompress a lz4 buffer.

• source Uint8Array | Buffer
• return Uint8Array | Buffer

lz4.createCompressStream(options)

create a nodejs transform stream.

• options
  • compressionLevel number (range of 0-16, default is 0)
  • blockMaxSize number (lz4.BLOCK_MAX_SIZE_XX, default is lz4.BLOCK_MAX_SIZE_4MB)
  • blockIndependent boolean (default is false)
  • contentChecksum boolean (default is false)

lz4.createDecompressStream()

create a nodejs transform stream.

Development

Require

• latest emscripten
• nodejs v5.0~

Init

Get repos.

git clone git@github.com:ukyo/lz4.js.git

If you don't install the grunt-cli run below.

npm install -g grunt-cli

Install dev dependencies

cd path/to/lz4.js
npm install

Download original LZ4 repos and compile for development.

grunt init

Write codes

Watch codes update and test.

grunt watch

Release

Release build.

grunt release