Step 7.2: Provide a new instance of PubSub to context

Urigo · May 20, 2020 · 5d81bbf · 5d81bbf
1 parent 8990384
commit 5d81bbf
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/index.ts b/index.ts
@@ -1,4 +1,4 @@
-import { ApolloServer, gql } from 'apollo-server-express';
+import { ApolloServer, gql, PubSub } from 'apollo-server-express';
 import cors from 'cors';
 import express from 'express';
 import schema from './schema';
@@ -12,7 +12,11 @@ app.get('/_ping', (req, res) => {
   res.send('pong');
 });
 
-const server = new ApolloServer({ schema });
+const pubsub = new PubSub();
+const server = new ApolloServer({
+  schema,
+  context: () => ({ pubsub }),
+});
 
 server.applyMiddleware({
   app,