In this chapter, we extended the MERN Marketplace application and added an auctioning feature with real-time bidding capabilities. We designed an auction model for storing auction and bidding details and implemented the full-stack CRUD functionalities that allow users to create new auctions, edit and delete auctions, and see different lists of auctions, along with individual auctions.
We added an auction view representing a single auction where users can watch and participate in the auction. In the view, we calculated and rendered the current state of the given auction, along with a countdown timer for live auctions. While implementing this timer that counts down seconds, we learned how to use setTimeout in a React component with the useEffect hook.
For each auction, we implemented real-time bidding capabilities using Socket.IO. We discussed how to integrate Socket.IO...
