Real-Time Polling App with WebSockets

Project roadmap

1. 01

   Define shared event types

   ~1.5h

   Define TypeScript types for poll events shared between client and server.

2. 02

   Build the server with Socket.IO

   ~2h

   Set up an Express server with Socket.IO handling poll rooms.

3. 03

   Build the host UI

   ~2h

   Build a UI for creating a poll, opening it for votes, and closing it.

4. 04

   Build the participant voting UI

   ~2h

   Build a UI showing live-updating vote results as they come in.

5. 05

   Handle reconnection and duplicate votes

   ~2h

   Prevent duplicate votes and handle client reconnection gracefully.

6. 06

   Write an end-to-end demo test

   ~1.5h

   Simulate a host and multiple participants in an automated test of a poll room.

Resources

• DocsTypeScript Documentation