Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
GraphQl, Front queries made easy
Search
Igor Halfeld
December 01, 2018
Programming
2
48
GraphQl, Front queries made easy
How to deal with graphql on client-side
Igor Halfeld
December 01, 2018
Tweet
Share
More Decks by Igor Halfeld
See All by Igor Halfeld
Modular monoliths with fastify
igorhalfeld
0
150
How to migrate legacy frontend?
igorhalfeld
1
110
Patterns for perfect components in Vue.js
igorhalfeld
0
100
Clean Architecture no Front-end (update 2021-05-11)
igorhalfeld
0
46
Step by step I followed a career in software
igorhalfeld
0
690
Using AI to create memes
igorhalfeld
0
510
Deninho, the TS children
igorhalfeld
1
200
Micro Front-ends, what they don't tell you
igorhalfeld
0
370
CSS in JavaScripto, the anti-pattern that is good
igorhalfeld
1
84
Other Decks in Programming
See All in Programming
良いコードレビューとは
danimal141
7
1.5k
責務と認知負荷を整える! 抽象レベルを意識した関心の分離
yahiru
8
1.5k
お前もAI鬼にならないか?👹Bolt & Cursor & Supabase & Vercelで人間をやめるぞ、ジョジョー!👺
taishiyade
7
4.2k
DevNexus - Create AI Infused Java Apps with LangChain4j
kdubois
0
110
.NET Frameworkでも汎用ホストが使いたい!
tomokusaba
0
200
クリーンアーキテクチャから見る依存の向きの大切さ
shimabox
5
1.1k
もう少しテストを書きたいんじゃ〜 #phpstudy
o0h
PRO
19
4.1k
Amazon Bedrockマルチエージェントコラボレーションを諦めてLangGraphに入門してみた
akihisaikeda
1
150
CDKを使ったPagerDuty連携インフラのテンプレート化
shibuya_shogo
0
110
CloudNativePGを布教したい
nnaka2992
0
120
ABEMA iOS 大規模プロジェクトにおける段階的な技術刷新 / ABEMA iOS Technology Upgrade
akkyie
1
220
もう僕は OpenAPI を書きたくない
sgash708
6
1.9k
Featured
See All Featured
Fireside Chat
paigeccino
35
3.2k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.1k
Making the Leap to Tech Lead
cromwellryan
133
9.1k
The Pragmatic Product Professional
lauravandoore
32
6.4k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
33
2.8k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
40
2k
Facilitating Awesome Meetings
lara
53
6.2k
BBQ
matthewcrist
87
9.5k
Designing on Purpose - Digital PM Summit 2013
jponch
117
7.1k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
29k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
[RailsConf 2023] Rails as a piece of cake
palkan
53
5.3k
Transcript
GraphQl. Front-end queries made easy.
Igor Halfeld Software Engineer & Consultancy igorluiz.me - @IgorHalfeld
Conheça minha história. Onde tudo começou…
None
Objetivo. Onde eu quero chegar…
None
Vamos contextualizar. Como chegamos até aqui?
ZONA DARK SOAP REST #TRISTEZA #SEMCROSSFIT
"Analisarmos alternativas, como o REST. (…) Ficamos frustrados com as
diferenças entre os dados que queríamos e as requests que eram necessárias para obtê-los.” Lee Byron
2012. GraphQl é criado pelo Facebook apenas para uso interno.
2015. É liberado como open source!
Que rolê é esse?
Duas partes. Consumir no front-end e fazer no back-end. *dar
uma olhada nos conceitos antes.
GraphQl Server Data Sources Clients JSON bonitão lindão GraphQl Queries
Resolvers
None
REST tem vários endpoints em que cada um retorna dados
fixos. GraphQl tem um único endpoint que retorna uma estrutura flexível.
REST GET - /users/:id { “name”: “Igor Halfeld”, “email”: “
[email protected]
”,
“state”: “RJ" } GraphQl POST - /graphql { “data”: { “name”: “Igor Halfeld” } } { query { Users (id: “666") { name } } }
3 pilares. Query, Mutation, Subscription.
REST GET GraphQl POST PUT DELETE Query Mutations
{ query { users { name, email } } }
{ query { users (id: “666”) { name, email } } } GET - /users/:id GET - /users
{ mutation { createUser ( name: "Igor Luiz”, email: “
[email protected]
"
) { name, email } } } CREATE - /users { mutation { updateUser ( name: “Halfeld Igor” ) { name, email } } } PUT - /users/:id
{ mutation { deleteUser (id: “666”) { name, email }
} } DELETE - /users
None
O que muda no front é… Basicamente, saber fazer GraphQl
SDL.
type Users { name: String! email: String! skills: [String]! addresses:
[Address] } type Address { street: String, number: Number } GraphQl SDL (Schema Definition Language)
{ Query { users (id: “666”) { name, height (unit:
METERS) } } } Resolvers <3
{ Query { users { admin (role: ADMIN) { …userFields
} accountants (role: ACCOUNTANT) { …userFields } } } } fragment userFields on User { user, name } Fragments
{ Query { users ($id: ID) { name, email }
} } { id: “666" } Variables
Client de GraphQl. Se é tudo POST, eu posso usar
o axios, certo?
Sim, mas não! Você precisa! Justamente para aproveitar melhor os
benefícios do graphql.
None
Certeza que vai fazer a query de forma certa. Cache
built-it: performance. Consistência na UI: Cache reativo.
None
None
None
Como tamo agora?
None
None
None
Tooling. Ferramental daóra.
None
None
GraphQl faker.
GraphQl Voyager.
DEMO TIME!
bit.ly/demo-floripa
Obrigado! igorluiz.me/talks - @IgorHalfeld