apollo server typeDefs for blog article

apollo-schema.js

const typeDefs = `
  type River {
    id: Int
    name: String
    streams: [Stream]
  }
  type Stream {
    id: Int
    name: String
    river: River
    brooks: [Brook]
  }
  type Brook {
    id: Int
    name: String
    stream: Stream
  }
  type Query {
    river(id: Int): River
    streams(limit: Int): [Stream]
    BrooksByRiverName(name: String) [Brook]
  }
  schema {
    query: Query
  }
`;