Apollo WebSocket link for AWS Lambda subscriptions

Apollo WebSocket link supporting AWS Lambda subscriptions (utilizing AWS API Gateway v2) for aws-lambda-graphql package.

Installation

yarn add aws-lambda-ws-link graphql
# or
npm install aws-lambda-ws-link graphql

Usage

Implement your simple client

import { Client, WebSocketLink } from 'aws-lambda-ws-link';
import { InMemoryCache } from 'apollo-cache-inmemory';
import { ApolloClient } from 'apollo-client';
 
const wsClient = new Client({
  uri: 'ws://localhost:8000',
});
const link = new WebSocketLink(client);
const client = new ApolloClient({
  cache: new InMemoryCache(),
  link,
});
 
// ...

Examples

• Chat App - React app
• Chat Server
  • contains AWS Lambda that handles HTTP, WebSocket and DynamoDB streams
  • also includes serverless.yaml file for easy deployment