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Fully-featured, simple to set up, performant and extendable GraphQL JavaScript server

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Integration with Cloudflare Workers#

GraphQL Yoga provides you a cross-platform GraphQL Server. So you can easily integrate it into any platform besides Node.js. Cloudflare Workers provides a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure. But instead of graphql-yoga npm package, we will use @graphql-yoga/common which has an agnostic HTTP handler using Fetch API's Request and Response objects.


yarn add graphql yarn add @graphql-yoga/common

Example with regular fetch event listener#


import { createServer } from '@graphql-yoga/common' const server = createServer() server.start()

You can also check a full example on our GitHub repository here

Example with Modules Approach#


import { createServer } from '@graphql-yoga/common' const yoga = createServer() export default { fetch: yoga.fetch, }

You can also check a full example on our GitHub repository here

Enabling Subscriptions#

In order to enable Server Sent Events based subscriptions with Cloudflare Workers, you should add a compatibility flag in your wrangler configuration file like below;

compatibility_flags = ["streams_enable_constructors"]

Debug Logging#

You should expose DEBUG variable in your environment to enable more verbose logging from GraphQL Yoga application.