Type definitions for Jokes and Ratings and how to query them

typeDefs.js

const { gql } = require('apollo-server-express')

const typeDefs = gql`
  type Joke {
    id: Int!
    content: String!
    ratings: [Rating]
  }
  type Rating {
    id: Int!
    jokeId: Int!
    score: Int!
  }
  type Query {
    joke(id: Int!): Joke
    jokes: [Joke]
    rating(id: Int!): Rating
    ratings: [Rating]
  }
  type Mutation {
    rating(jokeId: Int!, score: Int!): Rating
  }
`

module.exports = typeDefs