演示：
源代码：
============= layout.tsx
<body>
<ThemeProvider attribute="class" defaultTheme="dark">
{children}
<DevToaster />
</ThemeProvider>
</body>
============= dev-toaster.tsx
export function TemplateToaster() {
const [isVisibile, setIsVisible] = useState(true);
const [notificationStatus, setNotificationStatus] = useState<string | null>(null);
const path = usePathname();
const [hydrated, setHydrated] = useState(false);
// Run this effect only once to set hydrated to true
useEffect(() => {
setHydrated(true);
}, []);
// Run this effect only on client side
useEffect(() => {
if (hydrated) {
// Remove the saved notification status to reset it
localStorage.removeItem("behindui-notification");
// Check localStorage after clearing
setNotificationStatus(localStorage.getItem("behindui-notification"));
}
}, [hydrated]);
if (!hydrated) {
return null;
}
const templates = path.includes("templates");
const isIframe = isInIframe();
if (isIframe || notificationStatus === "off") {
return <div></div>;
}
return (
isVisibile &&
!templates && (
<section className="relative z-50">
<div className="font-geist fixed bottom-4 right-4">
<Card className={cn(" w-[350px] bg-background [border:1px_solid_rgba(255,255,255,.1)]")}>
<CardHeader>
<div className="font-mono font-bold uppercase tracking-tight">
?Website Under Development ? <br />
</div>
<CardDescription className="mt-4 text-black/90 dark:text-white/70">This website is currently in active development. Some features may be incomplete or not working as expected</CardDescription>
</CardHeader>
<CardFooter className="flex justify-end gap-4">
<Button
size="sm"
onClick={() => {
localStorage.setItem("behindui-notification", "off");
setIsVisible(false);
}}
>
Understand
</Button>
</CardFooter>
</Card>
</div>
</section>
)
);
}
function isInIframe() {
try {
return window.self !== window.top;
} catch (e) {
return true;
}
}
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