Hands-On Full-Stack Web Development with GraphQL and React

Using multiples types in GraphQL schemas

Let's create a User type and use it with our posts. First, add it somewhere to the schema:

type User {  avatar: String  username: String}

Now that we have a User type, we need to use it inside the Post type. Add it to the Post type as follows:

user: User

The user field allows us to have a sub-object inside our posts with the post's author information.

Our extended query to test this looks like the following:

"query":"{  posts {    id    text    user {      avatar      username    }  }}"

You cannot just specify the user as a property of the query. Instead, you need to provide a sub-selection of fields. This is required whenever you have multiple GraphQL types stacked inside each other. Then, you need to select the fields your ...