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https://github.com/jesusgraterol/browser-keyval-stores

The browser-keyval-stores package offers a clean and unified API to interact with browser storage mechanisms (localStorage, sessionStorage, and indexedDB) from your applications. It streamlines development and eliminates the need for browser-specific code when working with client-side data storage.
https://github.com/jesusgraterol/browser-keyval-stores

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The browser-keyval-stores package offers a clean and unified API to interact with browser storage mechanisms (localStorage, sessionStorage, and indexedDB) from your applications. It streamlines development and eliminates the need for browser-specific code when working with client-side data storage.

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README

        

# Browser KeyVal Stores

The `browser-keyval-stores` package offers a clean and unified API to interact with browser storage mechanisms ([`localStorage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage), [`sessionStorage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage), and [`indexedDB`](https://developer.mozilla.org/en-US/docs/Web/API/Window/indexedDB)) from your applications. It streamlines development and eliminates the need for browser-specific code when working with client-side data storage.

## Getting Started

Install the package:
```bash
npm install -S browser-keyval-stores
```

### Usage

#### `localStorage` Store

```typescript
import { LocalStorageStore } from 'browser-keyval-stores';

type IUserPreferences = {
language: string,
theme: string
};

const store = new LocalStorageStore('userPreferences');

const uid = '2d22df80-fc4b-498a-a4a7-734daa71c8dd';

store.get(uid);
// undefined

store.set(uid, { language: 'en', theme: 'dark' });
store.get(uid);
// { language: 'en', theme: 'dark' }

store.set(uid, { language: 'es', theme: 'light' });
store.get(uid);
// { language: 'es', theme: 'light' }

store.del(uid);
store.get(uid);
// undefined
```

#### `sessionStorage` Store

```typescript
import { SessionStorageStore } from 'browser-keyval-stores';

type IApplicationFormData = {
fullName: string,
passportNum: string,
};

const store = new SessionStorageStore('applicationForm');

store.get();
// undefined

store.set(undefined, { fullName: 'Jess Grateol', passportNum: 'P4366918' });
store.get();
// { fullName: 'Jess Grateol', passportNum: 'P4366918' }

store.set(undefined, { fullName: 'Jesus Graterol', passportNum: 'LA080402' });
store.get();
// { fullName: 'Jesus Graterol', passportNum: 'LA080402' }

store.del();
store.get();
// undefined
```

#### `indexedDB` Store

```typescript
import { IndexedDBStore } from 'browser-keyval-stores';

type IBlogPost = {
id: number,
title: string,
content: string,
};

const store = new IndexedDBStore('blogPosts');

await store.set(1, { id: 1, title: 'Test title', content: 'This is the ...'});
await store.get(1);
// { id: 1, title: 'Test title', content: 'This is the ...'}

await store.del(1);
await store.get(1);
// undefined
```

### Types

IStoreMechanism

The supported browser storage mechanisms.
```typescript
type IStoreMechanism = 'tempMemory' | 'localStorage' | 'sessionStorage' | 'indexedDB';
```

IRecordID

The identifier used to manage records. The store behaves differently based on the type:
- `undefined`: the data will be stored at the root of the store
- `string` | `number`: the value will be coerced into a string and can be used to locate the data
```typescript
type IRecordID = undefined | string | number;
```

IWebStorageStore

Object in charge of interacting with the Browser's Storage API. This API is used by [`Window.localStorage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage) & [`Window.sessionStorage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage).
```typescript
interface IWebStorageStore {
// properties
id: string;

// methods
isCompatible: () => boolean;
get: (id?: IRecordID) => T | undefined;
set: (id: IRecordID, data: T) => void;
del: (id?: IRecordID) => void;
}

interface ILocalStorageStore extends IWebStorageStore {
// ...
}

interface ISessionStorageStore extends IWebStorageStore {
// ...
}
```

IIndexedDBStore

Object in charge of charge of interacting with the Browser's `IndexedDB` implementation.
```typescript
interface IIndexedDBStore {
// properties
id: string;

// methods
isCompatible(): Promise;
get: (id?: IRecordID) => Promise;
set: (id: IRecordID, data: T) => Promise;
del: (id?: IRecordID) => Promise;
}
```


## Built With

- TypeScript


## Running the Tests

```bash
# integration tests
npm run test:integration

# unit tests
npm run test:unit
```


## License

[MIT](https://choosealicense.com/licenses/mit/)


## Deployment

Install dependencies:
```bash
npm install
```

Build the library:
```bash
npm start
```

Publish to `npm`:
```bash
npm publish
```