GraphQL 

Two weeks ago

This week

{
  id: 1, 
  name: "Chan's Great Adventure",
  genres: [
    "Adventure", 
    "Comedy",
    "Romance"
  ],
  sequels: [
    { /* ... */ },
    { /* ... */ },
    { /* ... */ },
    { /* ... */ }
  ]
}

{
  id: 1, 
  name: "Chan's Great Adventure",
  genres: [
    "Adventure", 
    "Comedy",
    "Romance"
  ]







}

What I get

What I care about

{
  id: 1, 
  name: "Chan's Great Adventure",
  genres: [
    "Adventure", 
    "Comedy",
    "Romance"
  ],
  sequels: [
    { /* ... */ },
    { /* ... */ },
    { /* ... */ },
    { /* ... */ }
  ],
  pi: 3.1415926535897932384626433832795028841971693993751
}

{

  name: "Chan's Great Adventure",
  











}

Request

Response

query getChansAdventure {

  movie(id: 1) {
    name,

    sequels {
      name 
    }
  }
}

{
  data: {
    movie: {
      name: "Chan's Great Adventure",
      sequels: [
        "Chan in Trouble", 
        "Chan Goes for the Gold", 
        "Chan Maxes Out",
        "SpyKids 5: Origins of Chan"
      ]
    }
  }
}

Explicit, Nested

Build a Schema

Make a Request

MovieType = GraphQL::Type.new do 
  name "Movie"
  description "Full-length feature film"
  fields({
    name:    field(type: !type.String),
    staring: field(type: type[ActorType]),
    sequels: field(type: type[MovieType]),
  })
end


# ... 

Schema = GraphQL::Schema.new(
  query:    QueryType, 
  mutation: MutationType,
)

query_string = "
  query getChan {
    movie(id: 1) { name }
  }"

query = GraphQL::Query.new(
    Schema, 
    query_string
) 

puts query.execute