Created
March 23, 2023 06:16
-
-
Save NWYLZW/8d8d709eadf4e557bdabf2a52f39814d to your computer and use it in GitHub Desktop.
Error Boundary???
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
import { | |
createContext, Dispatch, | |
PropsWithChildren, ReactElement, SetStateAction, | |
useCallback, | |
useContext, useEffect, | |
useMemo, | |
useState | |
} from 'react' | |
interface ErrorHandler { | |
e: Error | |
throwError: (error: string | Error) => ReactElement | |
ThrowError: (props: { | |
error: string | Error | |
}) => ReactElement | |
} | |
const ErrorHandler = createContext<ErrorHandler>(null) | |
function ErrorComp({ error, setE }: { error: Error, setE: Dispatch<SetStateAction<Error>> }) { | |
useEffect(() => { | |
setE(error) | |
}, [error, setE]) | |
return <></> | |
} | |
export function useErrorHandler() { | |
const [e, setE] = useState<Error>() | |
const errorHandler = useMemo<ErrorHandler>(() => ({ | |
e, | |
throwError(error) { | |
if (typeof error === 'string') { | |
error = new Error(error) | |
} | |
return <ErrorComp error={e} setE={setE}/> | |
}, | |
ThrowError({ error }) { | |
return this.throwError(error) | |
}, | |
}), [e]) | |
return { | |
error: e, | |
ErrorHandler: useCallback(({ children }: PropsWithChildren) => <ErrorHandler.Provider value={errorHandler} > | |
{children} | |
</ErrorHandler.Provider>, [errorHandler]) | |
} | |
} | |
export const useErrorHandlerContext = () => useContext(ErrorHandler) |
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
export default function() { | |
const { error, ErrorHandler } = useErrorHandler() | |
return <ErrorHandler> | |
<More/> | |
<Label/> | |
<Control/> | |
</ErrorHandler> | |
} | |
function Control(props: { type: 'a' }) { | |
const errorHandler = useErrorHandlerContext() | |
if (props.type !== 'a') | |
return errorHandler.throwError(new Error('only support a type')) | |
return <>right</> | |
} | |
function More() { | |
const { e } = useErrorHandlerContext() | |
return <> | |
{e && <QuickFix />} | |
</> | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment