Real-Time Chat App with Combine and WebSockets

Project roadmap

1. 01

   Set up the WebSocket connection

   ~2h

   Connect to a WebSocket server using URLSessionWebSocketTask.

2. 02

   Wrap the message stream in Combine

   ~2.5h

   Expose incoming messages and connection state as Combine publishers.

3. 03

   Build the chat UI

   ~2.5h

   Build a message list and input bar bound to the Combine publishers.

4. 04

   Implement automatic reconnection

   ~2.5h

   Reconnect automatically with exponential backoff on connection loss.

5. 05

   Add typing indicators and delivery status

   ~2h

   Send and display typing indicators and per-message delivery status.

6. 06

   Write tests for reconnection logic

   ~2h

   Test the backoff and reconnection behavior with a mock WebSocket transport.

Resources

• DocsSwift Documentation