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https://github.com/fidme/react-native-fast-storage

A simple, performance oriented key value storage for React Native. Drop in replacement for AsyncStorage
https://github.com/fidme/react-native-fast-storage

android asyncstorage ios react-native

Last synced: 30 days ago
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A simple, performance oriented key value storage for React Native. Drop in replacement for AsyncStorage

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# react-native-fast-storage

react-native-fast-storage is a drop in replacement for `AsyncStorage`.

This library is the React Native implementation of https://github.com/Tencent/MMKV.

It provides very fast read and write access.

## Getting started

`$ npm install react-native-fast-storage --save`

`$ react-native link react-native-fast-storage`

**Additional IOS step**

If you encounter this error :

```
ld: warning: Could not find auto-linked framework 'MMKV'
```

You need to manually follow these steps :

- Open up your project in Xcode
- Select the main target (under "Targets"),
- Go to the "Build Settings" tab, and find the "Framework Search Paths" section.
- Add `../node_modules/react-native-fast-storage/ios` (non-recursive) for each of your configurations (e.g. Debug and Release).
- Find the MMKV.framework file in ../node_modules/react-native-fast-storage/ios and drag it into Xcode under the "Frameworks" section. In the dialog that pops up, uncheck "Copy items if needed", choose "Create groups", and ensure your main target is checked under "Add to targets".
- In Xcode, select the project, then select the main target (under "Targets"), then go to the "General" tab and find the "Embedded Binaries" section. Click the "+" icon and select MMKV.framework which appears under "Frameworks" then click "Add".
- In Xcode do "Product" -> "Clean".

## Usage

```javascript
import FastStorage from "react-native-fast-storage";

await FastStorage.setItem("key", "Coucou toi");

const item = await FastStorage.getItem("key");
```

## Methods

All methods are asynchronous, just like AsyncStorage.

| Prop | Params | Returns | Description |
| :---------- | :--------------------------: | :--------------------------: | :------------------------------------ |
| setItem | `key`, `value` | `value` | Allows to set an item |
| getItem | `key` | `value` | Retrieve the item |
| removeItem | `key` | null | Remove an item from the store |
| clearStore | none | null | Clear the entire store |
| multiGet | Array<`key`> | Array> | Retrieve multiples item |
| multiGet | Array> | null | Set multiples items |
| multiRemove | Array<`key`> | null | Remove multiples items from the store |

## multiGet

Get multiple values at once.

```static multiGet(keys: Array): Promise>>```

```js
const values = await FastStorage.multiGet(['test', 'key'])
console.log(values) // [['test', 'testValue'], ['key', 'keyValue']]
```

## multiSet

Set multiple values at once.

```static multiSet(keys: Array>): Promise```

```js
await FastStorage.multiSet([['test', 'testValue'], ['key', 'keyValue']])
```

## multiRemove

Remove multiples values at once.

```static multiRemove(keys: Array): Promise```

```js
await FastStorage.multiRemove(['test', 'key'])
```