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
Functional Reactive Programming for web apps
Search
Sergio Rafael Gianazza
April 23, 2015
Programming
0
230
Functional Reactive Programming for web apps
Sergio Rafael Gianazza
April 23, 2015
Tweet
Share
More Decks by Sergio Rafael Gianazza
See All by Sergio Rafael Gianazza
Meetup.js - React.js
gianu
1
340
Why Bacon is actually good for your health
gianu
3
200
Other Decks in Programming
See All in Programming
プロダクトエンジニアのしごと 〜 受託 × 高難度を乗り越えるOptium開発 〜
algoartis
0
160
Flutterでllama.cppをつかってローカルLLMを試してみた
sakuraidayo
0
120
Bedrock × Confluenceで簡単(?)社内RAG
iharuoru
1
110
MySQL初心者が311個のカラムにNot NULL制約を追加していってALTER TABLEについて学んだ話
hatsu38
2
100
監視 やばい
syossan27
12
10k
Lambda(Python)の リファクタリングが好きなんです
komakichi
4
240
Rubyの!メソッドをちゃんと理解する
alstrocrack
1
120
KANNA Android の技術的課題と取り組み
watabee
0
190
生成AIで知るお願いの仕方の難しさ
ohmori_yusuke
1
100
Golangci-lint v2爆誕: 君たちはどうすべきか
logica0419
1
230
AI時代の開発者評価について
ayumuu
0
230
Optimizing JRuby 10
headius
0
570
Featured
See All Featured
Become a Pro
speakerdeck
PRO
28
5.3k
The Pragmatic Product Professional
lauravandoore
33
6.6k
Java REST API Framework Comparison - PWX 2021
mraible
31
8.5k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.2k
Music & Morning Musume
bryan
47
6.5k
Six Lessons from altMBA
skipperchong
28
3.7k
BBQ
matthewcrist
88
9.6k
Statistics for Hackers
jakevdp
798
220k
Thoughts on Productivity
jonyablonski
69
4.6k
We Have a Design System, Now What?
morganepeng
52
7.5k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
The Straight Up "How To Draw Better" Workshop
denniskardys
233
140k
Transcript
for Web Apps FUNCTIONAL REACTIVE PROGRAMMING
Sergio Rafael Gianazza Leonardo Garcia Crespo “gianu” “lenny” @sgianazza @leogcrespo
github.com/gianu github.com/leoasis
None
None
None
None
♥
♥
♥ FRP
Temario Problema Problema con las soluciones actuales Solución Funcional Demo
Conclusiones
Temario Problema Problema con las soluciones actuales Solución Funcional Conclusiones
Demo
Aplicaciones mas interactivas Aplicaciones mas interactivas
Manipulacion de estado manipulacion de estado
T = S(S-‐1) T = Número de transiciones S
= CanLdad de estados
vista = f(estado)
estado mutable estado mutable
function doSomething(data, callback) { data.valueThatITrust = 42; callback(); utilityFn(data); console.log(data.valueThatITrust);
// What's the output? }
multiples formas de causar cambios multiples formas de causar cambios
Modelo mental modelo mental
Temario Problema Problema con las soluciones actuales Solución Funcional Conclusiones
Demo
MVC MVC Model View Controller Controller Model View
MVC MVC Estado mutable
MVC MVC Estado mutable Data Binding
MVC MVC Estado mutable Data Binding Eventos ad hoc
MVC MVC Estado mutable Data Binding Eventos ad hoc Cambios
en cascada
Temario Problema Problema con las soluciones actuales Solución Funcional Conclusiones
Demo
¿Que es FRP? ¿Que es FRP?
var a = 1; var b = 2; var c
= a + b; b = 3; console.log(c); // Imperativo = 3, reactivo = 5
map map
reduce reduce
scan scan
merge merge
arquitectura arquitectura
MVI MVI Model View Intent Model View Intent
click keydow n input API rcv Lmeout
intent intent click keydow n input API rcv Lmeout
intent intent click keydow n input API rcv Lmeout actions
actions
intent intent click keydow n input API rcv Lmeout reduce
update(acLon, state) actions actions
intent intent click keydow n input API rcv Lmeout reduce
actions actions iniLal state update(acLon, state)
intent intent click keydow n input API rcv Lmeout reduce
actions actions iniLal state states states update(acLon, state)
intent intent click keydow n input API rcv Lmeout reduce
map view(state, inputs) actions actions states states iniLal state view elements view elements update(acLon, state)
intent intent click keydow n input API rcv Lmeout reduce
map view(state, inputs) render actions actions states view elements states view elements DOM DOM iniLal state update(acLon, state)
intent intent click keydow n input API rcv Lmeout reduce
map view(state, inputs) render actions actions states view elements states view elements DOM DOM iniLal state update(acLon, state)
+
EJEMPLO EJEMPLO
ejemplo ejemplo input subm it API receive reduce map
ejemplo ejemplo intent.createBlogPost input subm it API receive reduce
map actions actions { type: CREATE_POST } { type: RECEIVE_POST }
ejemplo ejemplo intent.createBlogPost input subm it API receive reduce
map actions actions states states { posts: [] } { type: CREATE_POST } { type: RECEIVE_POST } { posts: [ { name: “New post”} ]} update(acLon, state)
ejemplo ejemplo intent.createBlogPost input subm it API receive reduce
map view(state, inputs) actions actions states view elements states view elements { posts: [] } { type: CREATE_POST } { type: RECEIVE_POST } <Posts posts={posts} /> { posts: [ { name: “New post”} ]} update(acLon, state)
ejemplo ejemplo intent.createBlogPost input subm it API receive reduce
map view(state, inputs) render actions actions states view elements states view elements DOM DOM { posts: [] } { type: CREATE_POST } { type: RECEIVE_POST } <Posts posts={posts} /> { posts: [ { name: “New post”} ]} update(acLon, state)
Temario Problema Problema con las soluciones actuales Solución Funcional Conclusiones
Demo
Temario Problema Problema con las soluciones actuales Solución Funcional Conclusiones
Demo
MVI MVI intent intent click keydow n input API rcv
Lmeout reduce map update view(state, inputs) render actions actions states view elements states view elements DOM DOM iniLal state
VENTAJAs VENTAjas
desventajas desventajas
recursos blog.amplifiedapp.com/talks github.com/amplifiedapp/jsconfuy-‐2015 hep:/ /meetupjs.herokuapp.com/
Gracias! and keep rockin’! Sergio Rafael Gianazza Leonardo Garcia Crespo