GraphQL & Ember

A presentation at the Boston Ember group going over GraphQL and how to integrate it into your app.

Transcript

1. &
   

   View Slide

2. Chris Ball
   cball_
   

   View Slide

3. Disclaimers
   

   View Slide

4. vs
   
   

   View Slide

5. vs
   
   

   View Slide

6. vs
   
   

   View Slide

7. These are all tools to
   build apps.
   

   View Slide

8. You are not your tools.
   

   View Slide

9. What is GraphQL?
   

   View Slide

10. A specification that
    enforces a schema.
    

    View Slide

11. The schema validates

    client requests.
    

    View Slide

12. An application layer.
    

    View Slide

13. Gives power to

    the client.
    

    View Slide

14. What?!
    

    View Slide

15. Here’s a schema.
    

    View Slide

16. View Slide

17. 2 Special Schema Types.
    

    View Slide

18. Query
    

    View Slide

19. View Slide

20. Mutation
    

    View Slide

21. Variables!
    

    View Slide

22. GraphQL
    Advantages
    

    View Slide

23. Advantages
    ★ No more “hey can you make this endpoint

    return this now?” discussions
    ★ Reduce number of requests
    ★ Smaller payloads (return only what you need)
    ★ camelCase conventions
    ★ Client determines shape of response
    ★ Subscriptions / websockets built in
    

    View Slide

24. Advantages
    ★ “Wrap” an existing REST API
    ★ Schema Stitching to combine multiple GQL APIs as one
    ★ No more thinking about requests/responses
    ★ Tooling: GraphiQL is amazing
    ★ Introspection: Client can send query to get the schema
    ★ Fragments
    

    View Slide

25. GraphiQL & Introspection
    

    View Slide

26. Ok, how can I use
    this in Ember?
    

    View Slide

27. View Slide

28. View Slide

29. I was going to show examples using
    

    View Slide

30. View Slide

31. View Slide

32. Configure Apollo
    

    View Slide

33. Do some queries
    

    View Slide

34. View Slide

35. View Slide

36. View Slide

37. View Slide

38. View Slide

39. View Slide

40. View Slide

41. How do I fetch a different org?
    

    View Slide

42. View Slide

43. Cool story. How do you query 

    for multiple items?
    

    View Slide

44. View Slide

45. View Slide

46. View Slide

47. Do a mutation
    

    View Slide

48. View Slide

49. View Slide

50. Subscriptions

    are also a thing.
    

    View Slide

51. Ember Data?
    

    View Slide

52. View Slide

53. What about Tests /
    Mocking / Mirage?
    

    View Slide

54. View Slide

55. https://github.com/bgentry/ember-apollo-client/blob/master/tests/helpers/start-pretender.js
    https://www.apollographql.com/docs/link/links/schema.html#Mocking
    

    View Slide

56. Different Folder
    Structure?
    

    View Slide

57. View Slide

58. https://github.com/bgentry/ember-apollo-client/blob/master/tests/helpers/start-pretender.js
    https://www.apollographql.com/docs/link/links/schema.html#Mocking
    

    View Slide

59. Resources
    

    View Slide

60. https://github.com/bgentry/ember-apollo-client
    http://graphql.org/learn/
    https://www.apollographql.com/docs
    http://graphql.org/blog/rest-api-graphql-wrapper/
    https://www.howtographql.com/ember-apollo
    

    View Slide