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A modern TypeScript/JavaScript library for interacting with the Asterisk REST Interface (ARI), offering robust WebSocket support for real-time events, full type safety, and simplified handling of Asterisk resources.

ipcom-ari 최신버젼 다운로드

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```
 ___  ____   ____  ____  __  __       __    ____  ____
(  _)(  _ \ / ___)(  _ \(  \/  )     /__\  (  _ \(_  _)
 )(_  )___/( (__   )(_) ))    ( _   /(__)\  )   / _)(_
(___)(__)   \___) (____/(_/\/\_)(__) (__)(__)(_)\_)(____)
```

**A modern TypeScript client for Asterisk REST Interface**

[![npm version](https://img.shields.io/npm/v/@ipcom/asterisk-ari)](https://www.npmjs.com/package/@ipcom/asterisk-ari)
[![License](https://img.shields.io/badge/license-Apache--2.0-blue)](https://raw.githubusercontent.com/fabiotheo/ipcom-ari/master/LICENSE)
[![TypeScript](https://img.shields.io/badge/TypeScript-5.6-blue)](https://www.typescriptlang.org/)
[![Node](https://img.shields.io/badge/node-%3E%3D20-green)](https://nodejs.org/)

</div>

## Features

- Complete Asterisk ARI support
- Written in TypeScript with full type support
- Fully typed event system with autocomplete (`AriEventMap`)
- Listener dedup — safe to register the same listener twice
- WebSocket support for real-time events
- Automatic reconnection management
- Simplified channel and playback handling
- ESM and CommonJS support
- Unit tested with Vitest

## Installation

```bash
npm install @ipcom/asterisk-ari
```

## Basic Usage

### Initial Setup

```typescript
import { AriClient } from '@ipcom/asterisk-ari';

const client = new AriClient({
  host: 'localhost',      // Asterisk host
  port: 8088,             // ARI port
  username: 'username',   // ARI username
  password: 'password',   // ARI password
  secure: false           // Use true for HTTPS/WSS
});
```

### WebSocket Connection

```typescript
// Connect to WebSocket to receive events
await client.connectWebSocket(['myApp']); // 'myApp' is your application name

// Listen for specific events
client.on('StasisStart', (event) => {
  console.log('New channel started:', event.channel.id);
});

client.on('StasisEnd', (event) => {
  console.log('Channel ended:', event.channel.id);
});

// Listen for DTMF events
client.on('ChannelDtmfReceived', (event) => {
  console.log('DTMF received:', event.digit);
});

// Close WebSocket connection
client.closeWebSocket();
```

## Event Instances

### Channel, Bridge and Playback Instances in Events

When working with WebSocket events, you get access to both the raw event data and convenient instance objects that allow direct interaction with the channel or playback:

```typescript
client.on('StasisStart', async (event) => {
  // event.channel contains the raw channel data
  console.log('New channel started:', event.channel.id);

// event.instanceChannel provides a ready-to-use ChannelInstance
  const channelInstance = event.instanceChannel;

// You can directly interact with the channel through the instance
  await channelInstance.answer();
  await channelInstance.play({ media: 'sound:welcome' });
});

client.on('BridgeCreated', async (event) => {
  // event.bridge contains the raw bridge data
  console.log('Bridge created:', event.bridge.id);

// event.instanceBridge provides a ready-to-use BridgeInstance
  const bridgeInstance = event.instanceBridge;

// Direct control through the instance
  await bridgeInstance.add({ channel: ['channel-id-1', 'channel-id-2'] });
});

// Similarly for playback events
client.on('PlaybackStarted', async (event) => {
  // event.playback contains the raw playback data
  console.log('Playback ID:', event.playback.id);

// event.instancePlayback provides a ready-to-use PlaybackInstance
  const playbackInstance = event.instancePlayback;

// Direct control through the instance
  await playbackInstance.control('pause');
});
```

This approach provides two key benefits:
1. No need to manually create instances using `client.Channel()` or `client.Playback()`
2. Direct access to control methods without additional setup

### Comparing Approaches

Traditional approach:
```typescript
client.on('StasisStart', async (event) => {
  // Need to create channel instance manually
  const channel = client.Channel(event.channel.id);
  await channel.answer();
});
```

Using instance from event:
```typescript
client.on('StasisStart', async (event) => {
  // Instance is already available
  await event.instanceChannel.answer();
});
```

This feature is particularly useful when handling multiple events and needing to perform actions on channels or playbacks immediately within event handlers.

### Channel Handling

```typescript
// Create a channel instance
const channel = client.Channel();

// Originate a call
await channel.originate({
  endpoint: 'PJSIP/1000',
  extension: '1001',
  context: 'default',
  priority: 1
});

// Answer a call
await channel.answer();

// Play audio
const playback = await channel.play({
  media: 'sound:welcome'
});

// Hangup the channel
await channel.hangup();
```

### Playback Handling

```typescript
// Create a playback instance
const playback = client.Playback();

// Monitor playback events
playback.on('PlaybackStarted', (event) => {
  console.log('Playback started:', event.playback.id);
});

playback.on('PlaybackFinished', (event) => {
  console.log('Playback finished:', event.playback.id);
});

// Control playback
await playback.control('pause');  // Pause
await playback.control('unpause'); // Resume
await playback.control('restart'); // Restart
await playback.stop();            // Stop
```

### Bridge Handling

```typescript
// Create a bridge instance
const bridge = client.Bridge();

// Create a new bridge with specific settings
await bridge.getDetails();

// Add channels to the bridge
await bridge.add({
  channel: ['channel-id-1', 'channel-id-2']
});

// Remove channels from the bridge
await bridge.remove({
  channel: ['channel-id-1']
});

// Play audio on the bridge
const playback = await bridge.playMedia({
  media: 'sound:announcement',
  lang: 'en'
});

// Stop playback on the bridge
await bridge.stopPlayback(playback.id);

// Set video source
await bridge.setVideoSource('video-channel-id');

// Clear video source
await bridge.clearVideoSource();
```

### Specific Channel Monitoring

```typescript
// Create an instance for a specific channel
const channel = client.Channel('channel-id');

// Monitor specific channel events
channel.on('ChannelStateChange', (event) => {
  console.log('Channel state changed:', event.channel.state);
});

channel.on('ChannelDtmfReceived', (event) => {
  console.log('DTMF received on channel:', event.digit);
});

// Get channel details
const details = await channel.getDetails();
console.log('Channel details:', details);

// Handle channel variables
await channel.getVariable('CALLERID');
await channel.setVariable('CUSTOM_VAR', 'value');
```

### Channel Playback Handling

```typescript
// Play audio on a specific channel
const channel = client.Channel('channel-id');
const playback = await channel.play({
  media: 'sound:welcome',
  lang: 'en'
});

// Monitor specific playback
playback.on('PlaybackStarted', (event) => {
  console.log('Playback started on channel');
});

// Control playback
await channel.stopPlayback(playback.id);
await channel.pausePlayback(playback.id);
await channel.resumePlayback(playback.id);
```

### Bridge Event Monitoring

```typescript
// Create an instance for a specific bridge
const bridge = client.Bridge('bridge-id');

// Monitor bridge events
bridge.on('BridgeCreated', (event) => {
  console.log('Bridge created:', event.bridge.id);
});

bridge.on('BridgeDestroyed', (event) => {
  console.log('Bridge destroyed:', event.bridge.id);
});

bridge.on('BridgeMerged', (event) => {
  console.log('Bridge merged:', event.bridge.id);
});

// Get bridge details
const details = await bridge.get();
console.log('Bridge details:', details);

// Monitor channel events in bridge
bridge.on('ChannelEnteredBridge', (event) => {
  console.log('Channel entered bridge:', event.channel.id);
});

bridge.on('ChannelLeftBridge', (event) => {
  console.log('Channel left bridge:', event.channel.id);
});
```

## Error Handling

```typescript
try {
  await client.connectWebSocket(['myApp']);
} catch (error) {
  console.error('Error connecting to WebSocket:', error);
}

// Using with async/await
try {
  const channel = client.Channel();
  await channel.originate({
    endpoint: 'PJSIP/1000'
  });
} catch (error) {
  console.error('Error originating call:', error);
}
```

## TypeScript Support

Every event is mapped in the `AriEventMap` interface, so `client.on()` gives you full autocomplete and type inference:

```typescript
// The event parameter is automatically typed — no manual annotations needed
client.on('StasisStart', (event) => {
  event.channel.id;          // string ✔
  event.args;                // string[] ✔
  event.instanceChannel;     // ChannelInstance | undefined ✔
});

client.on('ChannelDtmfReceived', (event) => {
  event.digit;               // string ✔
  event.duration_ms;         // number ✔
});
```

You can also import `AriEventMap` and individual event types directly:

```typescript
import type { AriEventMap, StasisStart, ChannelDtmfReceived } from '@ipcom/asterisk-ari';

function handleStart(event: StasisStart) {
  console.log(event.channel.name);
}

// Or use a lookup on the map
type MyEvent = AriEventMap['PlaybackFinished'];
```

## Custom Events

`AriEventMap` is an interface, so you can extend it via declaration merging to add your own events with full type safety:

```typescript
declare module '@ipcom/asterisk-ari' {
  interface AriEventMap {
    MyCustomEvent: {
      type: 'MyCustomEvent';
      payload: { foo: string };
      application: string;
    };
  }
}

// Now fully typed — autocomplete works for 'MyCustomEvent'
client.on('MyCustomEvent', (event) => {
  console.log(event.payload.foo); // string ✔
});
```

## Testing

The project uses [Vitest](https://vitest.dev/) for unit testing.

```bash
# Run all tests
npm test

# Run in watch mode
npm run test:watch
```

## Additional Features

The library provides access to many other ARI features:

- Endpoint handling
- Sound manipulation
- Application control
- Asterisk system information
- And much more...

## Advanced Examples

### Bridge Creation and Channel Management

```typescript
// Create and manage a bridge
const bridge = await client.bridges.createBridge({
  type: 'mixing',
  name: 'myBridge'
});

// Add channels to bridge
await client.bridges.addChannels(bridge.id, {
  channel: ['channel-id-1', 'channel-id-2']
});
```

### Recording Management

```typescript
// Start recording on a channel
const channel = client.Channel('channel-id');
await channel.record({
  name: 'recording-name',
  format: 'wav',
  maxDurationSeconds: 60,
  beep: true
});
```

### External Media

```typescript
// Create external media channel
const channel = await client.channels.createExternalMedia({
  app: 'myApp',
  external_host: 'media-server:8088',
  format: 'slin16'
});
```

## API Reference

For complete API documentation, please refer to the TypeScript types and interfaces exported by the package.

## Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

## License

Apache-2.0

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