GraphQL
HYPE ou EVOLUTION ?
ALEX DUVAL
17 - 09 -2019
GDG in the Alps
GraphQL
GRAph Query Language
GRAPHQL
2012
OPEN SOURCE 2015
Github - Coursera - Yelp - NY Times - Twitter - Shopify ...
TYPED
CLIENT FIRST
ON DEMAND
SCHEMA FIRST
SOAP
REST
GRAPHQL
XML
JSON
JSON
REST
under / over fetching
client first - on demand
many routes
one route ONLY - POST
versionning / maintenance
on demand
documantation manuel
auto
perf.
1 route = 1 ressources = 1 verb
one route / resolvers
validation manuel
typed
SCHEMA FIRST
type Book {
title: String
author: Author
}
type Author {
name: String
books: [Book]
}TYPE
FIELD
SCALAR
ID
String
Int
Boolean
Type
JSON
Date
...
!== BDD DataModel
ACTION
QUERY
MUTATION
SUBSCRIPTION
get
post
websocket
like VERB
RESOLVER
fieldName:(root, args, context, info) => { result }
hello: () => {
return 'Hello world!';
},RESOLVER
type Tag {
title: String
tickets: [Ticket]
}
type Ticket {
name: String
tags: [Tag]
}
type Query{
allTags: [Tag]
post(id: ID): Tag
}
type Mutation {
createTag(title: String, ticket: String): Tag
}DEMO
12 languages
Testable
ECO system
Tooling
Services
CHANGING
BACKEND developpement
TEAM management
onboarding TEAM mate
auto CRUD ( meta )
...
Ressources
Q & A
GraphQL
By Alex Duval
