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import { useEffect } from 'react'
import { createHrefFromUrl } from './router-reducer/create-href-from-url'
export function handleHardNavError(error: unknown): boolean {
if (
error &&
typeof window !== 'undefined' &&
window.next.__pendingUrl &&
createHrefFromUrl(new URL(window.location.href)) !==
createHrefFromUrl(window.next.__pendingUrl)
) {
console.error(
`Error occurred during navigation, falling back to hard navigation`,
error
)
window.location.href = window.next.__pendingUrl.toString()
return true
}
return false
}
export function useNavFailureHandler() {
if (process.env.__NEXT_APP_NAV_FAIL_HANDLING) {
// this if is only for DCE of the feature flag not conditional
// eslint-disable-next-line react-hooks/rules-of-hooks
useEffect(() => {
const uncaughtExceptionHandler = (
evt: ErrorEvent | PromiseRejectionEvent
) => {
const error = 'reason' in evt ? evt.reason : evt.error
// if we have an unhandled exception/rejection during
// a navigation we fall back to a hard navigation to
// attempt recovering to a good state
handleHardNavError(error)
}
window.addEventListener('unhandledrejection', uncaughtExceptionHandler)
window.addEventListener('error', uncaughtExceptionHandler)
return () => {
window.removeEventListener('error', uncaughtExceptionHandler)
window.removeEventListener(
'unhandledrejection',
uncaughtExceptionHandler
)
}
}, [])
}
}
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