MyLittleDomain

dataSource.js

const myLittleTypes = [{
    id: 1,
    description: 'This is good',
}, {
    id: 2,
    description: 'This is better',
}, {
    id: 3,
    description: 'This is the best!',
}];

export {
    myLittleTypes
};

myLittleType.js

export default `
  type MyLittleType {
    id: Int!
    description: String
}`

resolvers.js

import {
    myLittleTypes
} from './dataSource';

const rootResolvers = {
    Query: {
        myLittleType: (_, {
            id
        }) => myLittleTypes.find(t => t.id === id)
    },
};


export default rootResolvers;

schema.js

import MyLittleType from './components/myLittleType'

const typeDefs =
    `
  # the schema allows the following query:
  extend type Query {
    myLittleType(id: Int!): MyLittleType
  }
`;

export default [typeDefs, MyLittleType];