Subscriptions and Live Queries - Real Time with GraphQL

• graphql-spec

  37 14,220 5.3 Shell

  GraphQL is a query language and execution engine tied to any backend service.

  

However, discussion about GraphQL Live Queries started way back when GraphQL Subscriptions were designed.

• graphql-ws

  21 1,657 7.7 TypeScript

  Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client.

The interesting thing is that we can use any transport for delivering the results to client. The most popular implementation (as mentioned before) is subscriptions-transport-ws. Unfortunately, since it is poorly maintained, the GraphQL Working Group came up with a new implementation over WebSockets, graphql-ws.

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• graphql-subscriptions

  7 1,578 4.6 TypeScript

  :newspaper: A small module that implements GraphQL subscriptions for Node.js

  

The most common used (but not best maintained) library for such a PubSub engine in the GraphQL context is graphql-subscriptions. There are also adapters available for more distributed systems (where all GraphQL API replicas must be notified about the event) e.g. over Redis.

• graphql-helix

  17 831 0.0 TypeScript

  A highly evolved GraphQL HTTP Server 🧬

  

Fortunately, we now have libraries like Graphql Helix, which, in my humble opinion, should replace express-graphql as the reference HTTP implementation since GraphQL Helix is also not tied to any web server framework.

• graphql-live-queries

  1 173 0.0 TypeScript

  Discontinued Realtime GraphQL Live Queries with JavaScript [Moved to: https://github.com/n1ru4l/graphql-live-query]

I also built my own transport over Socket.io, which uses WebSockets by default and HTTP polling as a fallback.

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