8000 Typing for Context API where Context defaultValue is `null` · Issue #97 · typescript-cheatsheets/react · GitHub
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AlvSovereign opened this issue Mar 19, 2019 · 2 comments
Closed

Typing for Context API where Context defaultValue is null #97

AlvSovereign opened this issue Mar 19, 2019 · 2 comments
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@AlvSovereign
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AlvSovereign commented Mar 19, 2019 •
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Hi there

There are times where we want the defaultValue for React's Context API to be null.

I've found this solution.

TLDR:

import * as React from 'react';

interface AppContextInterface {
  name: string,
  author: string,
  url: string
}

const {Provider, Consumer} = React.createContext<AppContextInterface | null>(null);

Now we can pass null in as a default value as our React.createContext argument.
@swyxio
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swyxio commented Mar 20, 2019

hi, yup i think this is understood for typescript. i'll keep this issue around to see how we can communicate this

@stale
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stale bot commented Aug 20, 2020

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions!

@stale stale bot added the wontfix This will not be worked on label Aug 20, 2020
@swyxio swyxio closed this as completed Aug 20, 2020
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