typedefs.js

import { GraphQLServer } from 'graphql-yoga';
import uuidv4 from 'uuid/v4';

//array of users

const users = [{
    id:"1234",
    name:"jay desai",
    email: "[email protected]",
    age:27
},{
    id:"5678",
    name:"jhon",
    email: "[email protected]",
    age:27
},
{
    id:"8910",
    name:"ram",
    email: "[email protected]",
    age:27
}];

//array of posts
const posts = [{
    id:'123',
    title:'my new blog',
    body:'new blog body',
    published:true,
    author: '8910',
    commentId: '123'
},{
    id:'456',
    title:'blog 2',
    body:'blog body 2',
    published:false,
    author: '1234',
    commentId: '456'
},{
    id:'789',
    title:'blog 3',
    body:'blog body 3',
    published:true,
    author: '5678',
    commentId: '789'
}];

// type definitions , create mutation object - createNewUser

const typeDefs = `
    type Query {
        users(query: String):[User!]!
        post(query: String):[Post!]!
    }

    type Mutation{
        createNewUser(name: String!, email: String!, age: Int): User!
    }

    type User{
        id: ID!
        name: String!
        email: String!
        age: Int
        posts:[Post!]!
    }

    type Post{
        id:ID!
        title:String!
        body:String!
        published:Boolean!
        author: User!
    }
`