-
Notifications
You must be signed in to change notification settings - Fork 1.1k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Fix "Can't perform a React state update on an unmounted component." w…
…hen using the `Transition` component (#2374) * only change flags when mounted * update changelog
- Loading branch information
1 parent
fb612f7
commit fc9a625
Showing
2 changed files
with
24 additions
and
3 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,12 +1,32 @@ | ||
import { useState, useCallback } from 'react' | ||
import { useIsMounted } from './use-is-mounted' | ||
|
||
export function useFlags(initialFlags = 0) { | ||
let [flags, setFlags] = useState(initialFlags) | ||
let mounted = useIsMounted() | ||
|
||
let addFlag = useCallback((flag: number) => setFlags((flags) => flags | flag), [flags]) | ||
let addFlag = useCallback( | ||
(flag: number) => { | ||
if (!mounted.current) return | ||
setFlags((flags) => flags | flag) | ||
}, | ||
[flags, mounted] | ||
) | ||
let hasFlag = useCallback((flag: number) => Boolean(flags & flag), [flags]) | ||
let removeFlag = useCallback((flag: number) => setFlags((flags) => flags & ~flag), [setFlags]) | ||
let toggleFlag = useCallback((flag: number) => setFlags((flags) => flags ^ flag), [setFlags]) | ||
let removeFlag = useCallback( | ||
(flag: number) => { | ||
if (!mounted.current) return | ||
setFlags((flags) => flags & ~flag) | ||
}, | ||
[setFlags, mounted] | ||
) | ||
let toggleFlag = useCallback( | ||
(flag: number) => { | ||
if (!mounted.current) return | ||
setFlags((flags) => flags ^ flag) | ||
}, | ||
[setFlags] | ||
) | ||
|
||
return { flags, addFlag, hasFlag, removeFlag, toggleFlag } | ||
} |