Reasonable GraphQL
@VladimirNovick
GDE & Independent Consultant
Web / Mobile / VR / AR / IoT
vnovick.com
REST vs GraphQL
https://swapi.co/api/planets/1
https://swapi.co/api/species/1
https://swapi.co/api/vehicles/1
https://swapi.co/api/films/1
https://swapi.co/api/people/1
https://swapi.co/api/spaceships/1
REST in ReasonML
Fetching...
bs-fetch
Decoding...
bs-json
So where is the problem?
It's demo time
Why REST is bad?
- No knowledge of data types
- Even minor changes can introduce breaking changes
- No stability
GraphQL
A query language for your API
GraphQL SDL
Resolvers
It's demo time
How we can get started
Installations
Send Introspection query
saves graphql_schema to disk
Create Apollo client
Wrap component with Provider
Define query by using graphql_ppx
Create query component
Wrap UI in created query component
Treat all optional types
It's demo time
It's demo time
Authentication
Tips and Tricks
use jsConverter
use bsRecord
https://github.com/jaredly/get_in_ppx
Thank You
@VladimirNovick