prismagraphql/graphql-remote

Name: graphql-remote

Owner: Prisma

Description: null

Created: 2017-12-04 15:05:11.0

Updated: 2018-05-16 09:00:12.0

Pushed: 2018-01-03 15:37:02.0

Homepage: null

Size: 57

Language: TypeScript

GitHub Committers

User	Most Recent Commit	# Commits

Other Committers

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README

graphql-remote

A toolbelt for creating remote GraphQL schemas with built-in subscriptions and dataloader support.

Install

 add graphql-remote

Usage

API

rt { GraphQLServer } from 'graphql-yoga'
rt { fetchTypeDefs, Remote, collectTypeDefs, GraphcoolLink } from 'graphql-remote'
rt * as jwt from 'jsonwebtoken'

c function run() {

nst makeLink = () => new GraphcoolLink(process.env.GRAPHCOOL_SERVICE_ID, process.env.GRAPHCOOL_TOKEN)

nst remoteTypeDefs = await fetchTypeDefs(makeLink())

nst typeDefs = collectTypeDefs(remoteTypeDefs, `
type Query {
  me: User
}
type Subscription {
  Post: PostSubscriptionPayload
}
type Post {
  id: ID!
  title: String!
  secret: Boolean
  extra: String
  allPosts: [Post!]!
  comments(filter: CommentFilter): [Comment!]
}

input CommentFilter {
  text_not: String
}


nst resolvers = {
Query: {
  me: (parent, args, ctx, info) => {
    const token = ctx.request.get('Authorization').replace('Bearer ', '')
    const { userId } = jwt.verify(token, process.env.JWT_SECRET!) as {
      userId: string
    }
    return ctx.remote.delegateQuery('User', { id: userId }, {}, info)
  },
},
Post: {
  title: (parent) =>  {
    return parent.title + ' - Post Title'
  },
  extra: () => 'extra field',
  allPosts: (_, _2, ctx, info) => {
    return ctx.remote.delegateQuery('allPosts', {}, {}, info)
  }
},
Subscription: {
  Post: {
    subscribe: async (parent, args, ctx, info) => {
      return ctx.remote.delegateSubscription('Post', args, ctx, info)
    },
  },
},


nst server = new GraphQLServer({
typeDefs,
resolvers,
context: params => ({ ...params, remote: new Remote(makeLink()) }),


rver.start().then(() => console.log('Server is running on :4000'))


)

Credits

graphql-remote is an extension of the awesome graphql-tools