Posting real-time updates and notifications in a social networking context

Real-time updates and notifications are crucial components of a modern SNP. They keep users engaged by providing immediate feedback and updates on activities they care about. In this section, we’ll explore how to implement real-time updates and notifications in our SNP using NestJS and GraphQL subscriptions.

Real-time updates can be achieved using GraphQL subscriptions. Subscriptions are a way to push data from the server to the client whenever a specific event occurs. In our SNP, we can use subscriptions to notify users about new posts, comments, or reactions:

1. First, we need to set up GraphQL subscriptions in our NestJS application. This involves configuring the WebSocket transport and creating subscription resolvers:
   1. To configure WebSocket transport, modify src/app.module.ts to include WebSocket transport:

   import { Module } from '@nestjs/common';
   import { GraphQLModule } from &apos...