Alert

Displays a callout for user attention.

tsx
import { Info } from "lucide-react"
import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
export function AlertDemo() {
return (
<Alert>
<Info className="h-4 w-4" />
<AlertTitle>Heads up!</AlertTitle>
<AlertDescription>
You can add components to your app using the CLI.
</AlertDescription>
</Alert>
)
}

Installation

CLI

bash
npx fivui add alert

Manual

Copy and paste the following code into your project.

components/ui/alert.tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { cn } from "@/lib/utils"
const alertVariants = cva(
"relative w-full rounded-lg border px-4 py-3 text-sm [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground [&>svg~*]:pl-7",
{
variants: {
variant: {
default: "bg-background text-foreground",
destructive:
"border-destructive/50 text-destructive dark:border-destructive [&>svg]:text-destructive",
},
},
defaultVariants: {
variant: "default",
},
}
)
const Alert = React.forwardRef<
HTMLDivElement,
React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>
>(({ className, variant, ...props }, ref) => (
<div
ref={ref}
role="alert"
className={cn(alertVariants({ variant }), className)}
{...props}
/>
))
Alert.displayName = "Alert"
const AlertTitle = React.forwardRef<
HTMLParagraphElement,
React.HTMLAttributes<HTMLHeadingElement>
>(({ className, ...props }, ref) => (
<h5
ref={ref}
className={cn("mb-1 font-medium leading-none tracking-tight", className)}
{...props}
/>
))
AlertTitle.displayName = "AlertTitle"
const AlertDescription = React.forwardRef<
HTMLParagraphElement,
React.HTMLAttributes<HTMLParagraphElement>
>(({ className, ...props }, ref) => (
<div
ref={ref}
className={cn("text-sm [&_p]:leading-relaxed", className)}
{...props}
/>
))
AlertDescription.displayName = "AlertDescription"
export { Alert, AlertTitle, AlertDescription }

Usage

tsx
import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
tsx
<Alert>
<AlertTitle>Error</AlertTitle>
<AlertDescription>Your session has expired. Please log in again.</AlertDescription>
</Alert>

Examples

Default

tsx
import { Info } from "lucide-react"
import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
export function AlertDemo() {
return (
<Alert>
<Info className="h-4 w-4" />
<AlertTitle>Heads up!</AlertTitle>
<AlertDescription>
You can add components to your app using the CLI.
</AlertDescription>
</Alert>
)
}

Destructive

tsx
import { AlertTriangle } from "lucide-react"
import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
export function AlertDestructive() {
return (
<Alert variant="destructive">
<AlertTriangle className="h-4 w-4" />
<AlertTitle>Error</AlertTitle>
<AlertDescription>
Your session has expired. Please log in again.
</AlertDescription>
</Alert>
)
}

Success

tsx
import { CheckCircle } from "lucide-react"
import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert"
export function AlertSuccess() {
return (
<Alert className="border-green-200 dark:border-green-800">
<CheckCircle className="h-4 w-4 text-green-600 dark:text-green-400" />
<AlertTitle className="text-green-800 dark:text-green-200">Success!</AlertTitle>
<AlertDescription className="text-green-700 dark:text-green-300">
Your changes have been saved successfully.
</AlertDescription>
</Alert>
)
}

API Reference

Alert

PropTypeDefaultDescription
variant"default" | "destructive""default"The visual style variant of the alert

Alert also accepts all standard HTML div attributes and React props.