# extract-zip

Unzip written in pure JavaScript.  Extracts a zip into a directory.  Available as a library or a command line program. 

Uses the [`yauzl`](http://npmjs.org/yauzl) ZIP parser. 

[![ NPM](https://nodei.co/npm/extract-zip.png?global=true)](https://npm.im/extract-zip)
[![ Uses JS Standard Style](https://cdn.jsdelivr.net/gh/standard/standard/badge.svg)](https://github.com/standard/standard)
[![ Build Status](https://github.com/maxogden/extract-zip/workflows/CI/badge.svg)](https://github.com/maxogden/extract-zip/actions?query=workflow%3ACI)

## Installation

Make sure you have Node 10 or greater installed. 

Get the library:

```
npm install extract-zip --save
```

Install the command line program:

```
npm install extract-zip -g
```

## JS API

```javascript
const extract = require('extract-zip')

async function main () {
  try {
    await extract(source, { dir: target })
    console.log('Extraction complete')
  } catch (err) {
    // handle any errors
  }
}
```

### Options

- `dir` (required) - the path to the directory where the extracted files are written
- `defaultDirMode` - integer - Directory Mode (permissions), defaults to `0o755`
- `defaultFileMode` - integer - File Mode (permissions), defaults to `0o644`
- `onEntry` - function - if present, will be called with `(entry, zipfile)`, entry is every entry from the zip file forwarded from the `entry` event from yauzl.  `zipfile` is the `yauzl` instance

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()`.