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@rails/actioncable

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@rails/actioncable

WebSocket framework for Ruby on Rails.

  • 8.0.0
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What is @rails/actioncable?

@rails/actioncable is a JavaScript client for Action Cable, which is a framework for handling WebSockets in Ruby on Rails applications. It allows you to create real-time features in your Rails applications by providing a way to communicate between the server and the client using WebSockets.

What are @rails/actioncable's main functionalities?

Establishing a WebSocket Connection

This code establishes a WebSocket connection to the specified URL. The `createConsumer` method is used to create a new consumer instance that will manage the WebSocket connection.

const cable = ActionCable.createConsumer('ws://cable.example.com');

Subscribing to a Channel

This code subscribes to a channel named 'ChatChannel'. The `received` function is called whenever data is broadcasted to the channel. In this example, it simply logs the received data to the console.

const subscription = cable.subscriptions.create('ChatChannel', {
  received(data) {
    console.log('Received:', data);
  }
});

Sending Data to the Server

This code sends data to the server through the WebSocket connection. The `send` method is used to transmit a message to the server, which can then be processed and broadcasted to other clients.

subscription.send({ message: 'Hello, World!' });

Unsubscribing from a Channel

This code unsubscribes from the 'ChatChannel'. The `unsubscribe` method is used to terminate the subscription and stop receiving data from the channel.

subscription.unsubscribe();

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Package last updated on 07 Nov 2024

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