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there's a big problem with React's useContext

180,616 просмотров • 1 год назад •via X (Twitter)

Комментарии: 11

Фото профиля Cryptic Genome ☣️
Cryptic Genome ☣️1 год назад

Wait I dont understand why would you suggest putting the context provider in the highest possible node in the tree? Just after saying that components re-render their children unnecessary after context value change?

Фото профиля Aiden Bai
Aiden Bai1 год назад

if you pass it at a low part of a subtree that renders a lot, and the value changes a bunch, and many parts of the app depend on that data, it can cause issues

Фото профиля Callstack Engineers
Callstack Engineers1 год назад

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Фото профиля vorillaz
vorillaz1 год назад

`use-context-selector` is an amazing abstraction layer that solves this problem

Фото профиля Tiger Abrodi
Tiger Abrodi1 год назад

Yeah. This is what I dislike most with React's useContext. Better alternatives: - MobX - Zustand - Jotai

Фото профиля Josh Manders
Josh Manders1 год назад

Did you manually speed up the video? My setting says 1x but it sounds like 1.5-2x

Фото профиля ℂ𝕠𝕕𝕖𝕩, ℍ𝕖𝕣𝕖!
ℂ𝕠𝕕𝕖𝕩, ℍ𝕖𝕣𝕖!1 год назад

I was hoping to see a mention of useMemo and React.memo

Фото профиля Jordy
Jordy1 год назад

React should just provide better global state handling out of the box. Its such a common use case.

Фото профиля Bedros Pamboukian
Bedros Pamboukian1 год назад

Hm, useContext is great for avoiding prop drilling in components, but this video seems centered around application-level state - for that, use something like Redux / Zustand Application state gets messy with Context, and having 12 different contexts on the top-level is not ideal

Фото профиля {Bhide}.Svelte
{Bhide}.Svelte1 год назад

React === Problems

Фото профиля Rat the Dog
Rat the Dog1 год назад

love these videos. learning a lot about react through these short bites. just a note, i had to slow down the speed to .75 to really grasp what you're saying.

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