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https://github.com/mockingbot/react-native-zip-archive

Zip archive utility for react-native
https://github.com/mockingbot/react-native-zip-archive

android ios react-native unzip zip zip-assets

Last synced: 2 months ago
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Zip archive utility for react-native

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README

        

# React Native Zip Archive [![npm](https://img.shields.io/npm/v/react-native-zip-archive.svg)](https://www.npmjs.com/package/react-native-zip-archive)

Zip archive utility for react-native

## Compatibility

| react-native version | react-native-zip-archive version |
| --- | --- |
| ^0.60 | ^5.0.0 |
| ^0.58 | ^4.0.0 |
| <0.58 | ^3.0.0 |

## Installation

```bash
npm install react-native-zip-archive --save
```

## Linking

For iOS, run the command below in you app's root folder once the package has been installed

````bash
cd ./ios && pod install
````

For Android, it's ready to go.

## Usage

import it into your code

```js
import { zip, unzip, unzipAssets, subscribe } from 'react-native-zip-archive'
```

you may also want to use something like [react-native-fs](https://github.com/johanneslumpe/react-native-fs) to access the file system (check its repo for more information)

```js
import { MainBundlePath, DocumentDirectoryPath } from 'react-native-fs'
```

## API

**`zip(source: string | string[], target: string): Promise`**

> zip source to target

***NOTE: the string version of source is for folder, the string[] version is for file, so if you want to zip a single file, use zip([file]) instead of zip(file)***

Example

```js
const targetPath = `${DocumentDirectoryPath}/myFile.zip`
const sourcePath = DocumentDirectoryPath

zip(sourcePath, targetPath)
.then((path) => {
console.log(`zip completed at ${path}`)
})
.catch((error) => {
console.error(error)
})
```

**`zipWithPassword(source: string | string[], target: string, password: string, encryptionType: string): Promise`**

> zip source to target

***NOTE: the string version of source is for folder, the string[] version is for file, so if you want to zip a single file, use zip([file]) instead of zip(file)***

***NOTE: encryptionType is not supported on iOS yet, so it would be igonred on that platform.***

Example

```js
const targetPath = `${DocumentDirectoryPath}/myFile.zip`
const sourcePath = DocumentDirectoryPath
const password = 'password'
const encryptionType = 'STANDARD'; //possible values: AES-256, AES-128, STANDARD. default is STANDARD

zipWithPassword(sourcePath, targetPath, password, encryptionType)
.then((path) => {
console.log(`zip completed at ${path}`)
})
.catch((error) => {
console.error(error)
})
```

**`unzip(source: string, target: string): Promise`**

> unzip from source to target

Example

```js
const sourcePath = `${DocumentDirectoryPath}/myFile.zip`
const targetPath = DocumentDirectoryPath
const charset = 'UTF-8'
// charset possible values: UTF-8, GBK, US-ASCII and so on. If none was passed, default value is UTF-8

unzip(sourcePath, targetPath, charset)
.then((path) => {
console.log(`unzip completed at ${path}`)
})
.catch((error) => {
console.error(error)
})
```

**`unzipWithPassword(source: string, target: string, password: string): Promise`**

> unzip from source to target

Example

```js
const sourcePath = `${DocumentDirectoryPath}/myFile.zip`
const targetPath = DocumentDirectoryPath
const password = 'password'

unzipWithPassword(sourcePath, targetPath, password)
.then((path) => {
console.log(`unzip completed at ${path}`)
})
.catch((error) => {
console.error(error)
})
```

**`unzipAssets(assetPath: string, target: string): Promise`**

> unzip file from Android `assets` folder to target path

***Note: Android only.***

`assetPath` is the relative path to the file inside the pre-bundled assets folder, e.g. `folder/myFile.zip`. ***Do not pass an absolute directory.***

```js
const assetPath = './myFile.zip'
const targetPath = DocumentDirectoryPath

unzipAssets(assetPath, targetPath)
.then((path) => {
console.log(`unzip completed at ${path}`)
})
.catch((error) => {
console.error(error)
})
```

**`subscribe(callback: ({ progress: number, filePath: string }) => void): EmitterSubscription`**

> Subscribe to the progress callbacks. Useful for displaying a progress bar on your UI during the process.

Your callback will be passed an object with the following fields:

- `progress` (number) a value from 0 to 1 representing the progress of the unzip method. 1 is completed.
- `filePath` (string) the zip file path of zipped or unzipped file.

***Note: Remember to check the filename while processing progress, to be sure that the unzipped or zipped file is the right one, because the event is global.***

***Note: Remember to unsubscribe! Run .remove() on the object returned by this method.***

```js
componentDidMount() {
this.zipProgress = subscribe(({ progress, filePath }) => {
// the filePath is always empty on iOS for zipping.
console.log(`progress: ${progress}\nprocessed at: ${filePath}`)
})
}

componentWillUnmount() {
// Important: Unsubscribe from the progress events
this.zipProgress.remove()
}
```

## Example App
You can use this repo, https://github.com/plrthink/RNZATestApp, for testing and contribution. For more information please refer to its README.

## Related Projects

- [ZipArchive](https://github.com/ZipArchive/ZipArchive)
- [zip4j](https://github.com/srikanth-lingala/zip4j)

---

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