Typing createContext in React #typescript #react

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Typing createContext in React #typescript #react

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Комментарии
Автор

Did this with tRPC when using protected routes. Guards are decent

StephenRayner
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Is there something left in this example? Where will the user be set?
In my eyes the context is not really complete - the user state is missing.

HerrThomasE
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How do we create generic type for creating context?

emreq
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The real problem arises when the generic type of the context accepts a generic also…
So in this example User<TSomething>

Dani
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Any suggestions/ resources for typing a generic function that accepts a reducer, an object of dispatch functions and the initial state and exports the Context and Provider? Trying abstract away some logic from my JS but confused by the typing.

cfesq
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When is it a good idea to use React Contexts over Jotai, Zustand, Signals, or plain State?

Lexaire
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I have an errorObject<T> that just errors when you access it in any way (as a proxy), and all the global stuff gets an error as a default, then use the context as normal.

Fsi
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Teach us module augmentation. I faced this when using next auth package for Authentication. So if you use next auth pkg you gotta return a object of type User from authorize function.
To change the return type of the User object you gotta use augmentation. I hate this.teach me

jellyfish