Questions

Answer the following questions to check what you have learned in this chapter:

1. The following is an attempt at a GraphQL query to get a GitHub viewer’s name and email address:

   viewer: {

     name,

     email

   }

The query errors though – what is the problem?

2. What is the mutation that would unstar a GitHub repository? The mutation should have a parameter for the repository ID.
3. The following use of fetch is an attempt to call a GraphQL API:

   const response = await fetch(process.env.REACT_APP_API_URL!, {

     body: JSON.stringify({

       query: GET_DATA_QUERY,

     }),

   });

This doesn’t work though – what is the problem?

4. Where does the authorization access token in a protected GraphQL API get specified when using Apollo Client?
5. A component uses Apollo Client’s useQuery hook to fetch data from a GraphQL API, but the component errors with the following error:

...