In this Hasty Treat, Scott and Wes talk about React Hooks and why you might want to use them instead of class components.

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Show Notes

03:54 - Decouple the UI from the logic

This wasn’t impossible with class-based components, but we started using HOC to do this.
With hooks, it makes you decouple what it does and how it looks.
Makes things like GraphQL code gen possible
Multiple pieces of state or functionality
Share commonly used functionality among projects and components

10:31 - Reduction in code

Lifecycle methods were often redundant. useEffect offers a way to prevent the duplication that can happen with component did update and did mount. This gives you a way to say, “Hey, run this code when these things change.”

13:30 - useEffect’s dependencies

These give you access to targeted control over side effects rather than just something changed.

14:15 - Easier to grok

What happens? When? Where? It’s mostly in the hook.

16:09 - Simplicity in usage

Thing, updateThing is more targeted than set state
Ref makes way more sense with useRef
- String refs weren’t great, the function ref thing was obnoxious

21:07 - Gripes about Hooks

Naming is kind of odd
- Vue did a better job with the names

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