hax.js

gistfile1.txt

type Query = {
  book(id: ID!): Book!
  author(id: ID!): Author!
}

type Book = {
  id: ID!
  name: String
  author: Author
}

type Author = {
  id: ID!
  name: String
  books: [Book!]
}

{
  book(id: 123) {
    id
    name
    author {
      id
      name
    }
  }
}

// next page: click author

{
  author(id: 123) [
    id
    name
    books {
      id
      name
    }
  }
}

// cache

{
  schema: ...,
  resolvers: {
    book: (cache, { id }) => cache.resolve({ __typename: 'Book', id }),
    author: (cache, { id }) => cache.resolve({ __typename: 'Author', id })
  }
}

// resolve

{
  author: {
    id: 123,
    name: '',
    books: null
  }
}

// now i can actually fetch

...