Unzip written in pure JavaScript. Extracts a zip into a directory. Available as a library or a command line program.
Uses the yauzl ZIP parser.

Installation
Get the library:
npm install extract-zip --save
Install the command line program:
npm install extract-zip -g
JS API
var extract = require('extract-zip')
extract(source, {dir: target}, function (err) {
})
Options
dir - defaults to process.cwd()
defaultDirMode - integer - Directory Mode (permissions) will default to 493 (octal 0755 in integer)
defaultFileMode - integer - File Mode (permissions) will default to 420 (octal 0644 in integer)
onEntry - function - if present, will be called with every entry from the zip file. forwarded from the entry event from yauzl.
Default modes are only used if no permissions are set in the zip file.
CLI Usage
extract-zip foo.zip <targetDirectory>
If not specified, targetDirectory will default to process.cwd().