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next-navigation-guard
Advanced tools
You use Next.js, and you want to show "You have unsaved changes that will be lost." dialog when user leaves page? This library is just for you!
https://layerxcom.github.io/next-navigation-guard/
npm install next-navigation-guard
# or
yarn install next-navigation-guard
# or
pnpm install next-navigation-guard
App Router: app/layout.tsx
<html lang="en">
<body className={`${geistSans.variable} ${geistMono.variable}`}>
<NavigationGuardProvider>{children}</NavigationGuardProvider>
</body>
</html>
Page Router: page/_app.tsx
export default function MyApp({ Component, pageProps }: AppProps) {
return (
<NavigationGuardProvider>
<Component {...pageProps} />
</NavigationGuardProvider>
);
}
window.confirm()
useNavigationGuard({ enabled: form.changed, confirm: () => window.confirm("You have unsaved changes that will be lost.") })
Custom dialog component
const navGuard = useNavigationGuard({ enabled: form.changed })
return (
<>
<YourContent />
<Dialog open={navGuard.active}>
<DialogText>You have unsaved changes that will be lost.</DialogText>
<DialogActions>
<DialogButton onClick={navGuard.reject}>Cancel</DialogButton>
<DialogButton onClick={navGuard.accept}>Discard</DialogButton>
</DialogActions>
</Dialog>
</>
)
See working example in example/ directory and its NavigationGuardToggle
component.
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