# fetch

HTTP fetch utilities with automatic retry and exponential backoff.

## Functions

| Function | Description                    | Example                                   |
| -------- | ------------------------------ | ----------------------------------------- |
| `get`    | Perform GET request with retry | `dphelper.fetch.get(url, options)`        |
| `post`   | Perform POST request with JSON | `dphelper.fetch.post(url, body, options)` |

## Description

HTTP request utilities:

* **GET** - Fetch data with automatic retries
* **POST** - Send JSON data with automatic JSON headers
* **Retry** - Exponential backoff on failure
* **Error Handling** - Automatic retry on network errors

## Usage Examples

### GET Request

```javascript
// Simple GET request
const response = await dphelper.fetch.get('https://api.example.com/data');
const data = await response.json();

// GET with options
const users = await dphelper.fetch.get('/api/users', {
  headers: { 'Authorization': 'Bearer token' }
});
```

### POST Request

```javascript
// POST JSON data
const response = await dphelper.fetch.post('/api/users', {
  name: 'John',
  email: 'john@example.com'
});

// POST with custom headers
const response = await dphelper.fetch.post('/api/upload', formData, {
  headers: { 'X-Custom-Header': 'value' }
});
```

### Error Handling with Retry

```javascript
// Automatic retry on failure
async function fetchWithRetry(url, options = {}) {
  try {
    const response = await dphelper.fetch.get(url, options);
    return await response.json();
  } catch (error) {
    console.error('Fetch failed:', error);
    return null;
  }
}
```

### API Integration

```javascript
class ApiClient {
  constructor(baseUrl) {
    this.baseUrl = baseUrl;
  }

  async get(endpoint) {
    const response = await dphelper.fetch.get(`${this.baseUrl}${endpoint}`);
    return response.json();
  }

  async post(endpoint, data) {
    const response = await dphelper.fetch.post(`${this.baseUrl}${endpoint}`, data);
    return response.json();
  }
}

const api = new ApiClient('https://api.example.com');
const data = await api.get('/items');
```

## Details

* **Author:** Dario Passariello
* **Version:** 0.0.1
* **Creation Date:** 20260221
* **Last Modified:** 20260221
* **Environment:** both (browser + Node.js)

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