This is the documentation for the old GraphQL Yoga v2.
 We recommend
upgrading to the latest GraphQL Yoga v5. Migrate to GraphQL Yoga
v5.
Quick Start
GraphQL Yoga is a batteries-included cross-platform GraphQL over HTTP spec-compliant GraphQL Server using Envelop , and GraphQL Tools that runs anywhere.
Installation
yarn add @graphql-yoga/node graphqlUsage
You will need to provide a schema to Yoga, either by an existing executable schema or by providing your type definitions and resolver map.
import { createServer } from '@graphql-yoga/node'
 
const server = createServer({
  schema: {
    typeDefs: /* GraphQL */ `
      type Query {
        hello: String
      }
    `,
    resolvers: {
      Query: {
        hello: () => 'Hello from Yoga!'
      }
    }
  }
})
 
server.start()Yoga uses GraphQL Tools under the hood so you’ll want to follow the
makeExecutableSchema
pattern.
That is it!
Now visit http://localhost:4000/graphql to execute the following query operation:
query HelloWorld {
  hello
}Using Existing Schema
You can also pass an existing GraphQLSchema instance to createServer.
If you’re using a library such as Pothos , GraphQL Nexus , gqtx , or vanilla graphql-js, you simply can pass the GraphQLSchema to schema:
import { createServer } from '@graphql-yoga/node'
import { schema } from './schema'
 
const server = createServer({ schema })
 
server.start()