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The Road to Node
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Guille Paz
October 28, 2017
Programming
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The Road to Node
The Road to Node (at a big company).
Guille Paz
October 28, 2017
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Transcript
The Road to Node at a big company
- I’m Guille Paz - Frontend developer - Tech Lead
at Mercado Libre @pazguille (twitter / github) Hi!
Mercado Libre
Largest e-commerce ecosystem in Latin America
None
~ 1500 developers
~ 1500 developers ~ 4600 repositories
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps ~ 3 Million rpm
~ 1500 developers ~ 4600 repositories ~ 300 deploys per
day ~ 800 frontend apps ~ 3 Million rpm ~ 900 coffees per day
Back to 2016
Frontend Frontend developers Backend developers
Frontend
Frontend Access Data UI Logic Business Logic Build assets Auth
i18n e2e testing ...
TOO many Technologies
TOO many Responsibilities
It’s a kilombo!
“The world is changing and we must change with it.”
- Ragnar Lothbrok
Hey Guille, coffee? Hey, what's happened? Nothing, just running grails
run-app... Sure! I have 10-15 mins.
New Team Frontend Core
We made Big decisions!
Node is the new UI Layer
Frontend Middleend UI Layer Business Logic
Frontend API API Middleend
Frontend API API Middleend Mobile Native
None
The new frontend stack
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LTS version
None
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None
ES6 Modules vs CommonJS
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None
Use ES Features and don’t transpile the server.
node.green
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six-speed
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Use ES Stable Features and don’t transpile the server.
None
Shared Version
Default Middlewares
Authentication Device Detection Security Default Middlewares
Default Routes (“/ping”)
An Express Instance on Steroids
Routers (“mini-applications”)
Start Server (development vs production)
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Using React Is A Business Decision, Not A Technology Choice.
- Eric Baer
Server-Side Rendering
React on the Server
Only transpile JSX in runtime
JSX (template engine)
res.render(‘View.js, props);
None
Render React Middleware
Override res.render( ).
res.render(<View />, props);
Universal UI Components
Universal Views
React on the Server & Client
None
Hey Guille, coffee? Hey, what's happened? Nothing, just running npm
install... Sure! I have 2-3 mins.
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None
nordic & nordic-dev packages
None
None
react-router on the server
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[email protected]
async hooks (onEnter ) are defined globally
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None
process.env
It’s not a normal JavaScript object...
Server rendering is slower...
cache all the values!
React 16
Takeaway
⇢ Knows your dependencies ⇢ Node is the new UI
Layer ⇢ New roles and responsibilities ⇢ ~ 126 coffees per day (86% real) ⇢ Today we feel like...
None
None
Thank you! @pazguille