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

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