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
How to migrate legacy frontend?
Search
Igor Halfeld
July 29, 2022
Programming
140
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
How to migrate legacy frontend?
Igor Halfeld
July 29, 2022
More Decks by Igor Halfeld
See All by Igor Halfeld
Modular monoliths with fastify
igorhalfeld
0
210
Patterns for perfect components in Vue.js
igorhalfeld
0
140
Clean Architecture no Front-end (update 2021-05-11)
igorhalfeld
0
76
Step by step I followed a career in software
igorhalfeld
0
710
Using AI to create memes
igorhalfeld
0
540
Deninho, the TS children
igorhalfeld
1
230
Micro Front-ends, what they don't tell you
igorhalfeld
0
410
CSS in JavaScripto, the anti-pattern that is good
igorhalfeld
1
110
Front-end Clean Architecture
igorhalfeld
2
300
Other Decks in Programming
See All in Programming
AIを上手に使っていこうとしたら越境せざるを得なくなった話 〜実践1年で見えた境界を越えなければならない理由と進め方〜 / Crossing borders with AI
tomoyakitaura
3
1k
型解析で実現する Go の言語内 DSL / Conference に Go! タイムテーブルの歩き方 for Gophers
mazrean
0
130
PyO3 で既存 Python 評価器を Rust core 化する ー wasm-bindgen でブラウザにも配るための設計
kdash
1
390
初心者DevRelとして参加者だった私が、DevRel Talks!#2に登壇するまでにしてきたこと
sokohirai
0
330
思考垂れ流し開発 ~音声入力 × AIエージェント × 開発ハーネスによる試行錯誤~
npostring
0
810
「つくるAI」だけではバグは見つからない ~テストに必要な「見つけるAI」を分離させる戦略~
mfunaki
0
230
Hello, Hiroshima Geospatial Data! — Exploring DoboX with Python
ra0kley
0
170
DroidKaigi 2026 「個人開発という実験場: Android エンジニアが手にする4つの自由」
slashnephy
0
220
The Good Stuff, Not the Slop: Engineering High-Quality Android Apps with Modern AI Tooling
danybony
1
180
Flow は今どうなっているか
mizdra
PRO
0
920
業務時間外もAIに働いてもらう話
colorful12
3
10k
From 6 People Classroom Meetup to 100 People Regional Conference / FOSS4G Hiroshima 2026
furukawayasuto
0
110
Featured
See All Featured
Art, The Web, and Tiny UX
lynnandtonic
304
22k
How to Align SEO within the Product Triangle To Get Buy-In & Support - #RIMC
aleyda
2
1.8k
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
570
Are puppies a ranking factor?
jonoalderson
2
3.9k
Building Experiences: Design Systems, User Experience, and Full Site Editing
marktimemedia
0
600
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
35
2.6k
Stewardship and Sustainability of Urban and Community Forests
pwiseman
0
510
Odyssey Design
rkendrick25
PRO
2
800
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
254
22k
Why You Should Never Use an ORM
jnunemaker
PRO
61
10k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.8k
Ten Tips & Tricks for a 🌱 transition
stuffmc
0
190
Transcript
Como migrar front-end legado? 💩
Igor Halfeld Software Engineer igorhalfeld.com - @igorhalfeld
treinamento.vuejsbrasil.org
70% negócio & 30% tech
Tudo é sobre produto!
A grande ilusão…
Tipos de projeto legado 😌
React com Hooks e Prop Types
Vue 1 com Sass
React com Class Component e Prop Types
Angular 1 e sass
jQuery com bootstrap
Em resumo, todos já caíram ou vão eventualmente caindo em
um projeto com código legado
Complexidade instrumental vs Complexidade inerente
None
Escrever código é uma forma de otimizar processos
Código legado só é ruim se você tem que mexer
nele 👀
Débito técnico é ruim?
Vamos simular um usecase
None
- Login - Header - Menu - Conteúdo
Como? 😏
None
- Login - Header - Menu - Conteúdo
Nginx 😍
Testes E2E (cypress) do que for ser refatorado
Nginx App 1 Front 2
None
None
None
None
*Foco no problema. *Estratégico sempre antes do operacional. *Tecnologia nova
é legal, mas o básico muitas das vezes já funciona (boringtechnology.club).
igorhalfeld.com - @igorhalfeld