Documentation Index
Fetch the complete documentation index at: https://mintlify.com/shadcn-ui/ui/llms.txt
Use this file to discover all available pages before exploring further.
Installation
npx shadcn@latest add alert
import {
Alert,
AlertTitle,
AlertDescription,
} from "@/components/ui/alert"
<Alert>
<InfoIcon />
<AlertTitle>Heads up!</AlertTitle>
<AlertDescription>
You can add components and dependencies to your app using the cli.
</AlertDescription>
</Alert>
Component Code
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { cn } from "@/lib/utils"
const alertVariants = cva(
"relative grid w-full grid-cols-[0_1fr] items-start gap-y-0.5 rounded-lg border px-4 py-3 text-sm has-[>svg]:grid-cols-[calc(var(--spacing)*4)_1fr] has-[>svg]:gap-x-3 [&>svg]:size-4 [&>svg]:translate-y-0.5 [&>svg]:text-current",
{
variants: {
variant: {
default: "bg-card text-card-foreground",
destructive:
"bg-card text-destructive *:data-[slot=alert-description]:text-destructive/90 [&>svg]:text-current",
},
},
defaultVariants: {
variant: "default",
},
}
)
function Alert({
className,
variant,
...props
}: React.ComponentProps<"div"> & VariantProps<typeof alertVariants>) {
return (
<div
data-slot="alert"
role="alert"
className={cn(alertVariants({ variant }), className)}
{...props}
/>
)
}
function AlertTitle({ className, ...props }: React.ComponentProps<"div">) {
return (
<div
data-slot="alert-title"
className={cn(
"col-start-2 line-clamp-1 min-h-4 font-medium tracking-tight",
className
)}
{...props}
/>
)
}
function AlertDescription({
className,
...props
}: React.ComponentProps<"div">) {
return (
<div
data-slot="alert-description"
className={cn(
"col-start-2 grid justify-items-start gap-1 text-sm text-muted-foreground [&_p]:leading-relaxed",
className
)}
{...props}
/>
)
}
export { Alert, AlertTitle, AlertDescription }
Examples
Basic
Destructive
Custom Colors
A basic alert with an icon, title and description.<Alert>
<InfoIcon />
<AlertTitle>Heads up!</AlertTitle>
<AlertDescription>
You can add components and dependencies to your app using the cli.
</AlertDescription>
</Alert>
Use variant="destructive" to create a destructive alert.<Alert variant="destructive">
<AlertTriangleIcon />
<AlertTitle>Error</AlertTitle>
<AlertDescription>
Your session has expired. Please log in again.
</AlertDescription>
</Alert>
You can customize the alert colors by adding custom classes.<Alert className="bg-amber-50 dark:bg-amber-950">
<AlertTitle>Warning</AlertTitle>
<AlertDescription>
This action requires additional confirmation.
</AlertDescription>
</Alert>
Variants
The Alert component supports two variants:
default - Standard alert with default background
destructive - Alert for error or destructive actions
API Reference
| Prop | Type | Default |
|---|
variant | "default" | "destructive" | "default" |
className | string | - |
AlertTitle
| Prop | Type | Default |
|---|
className | string | - |
AlertDescription
| Prop | Type | Default |
|---|
className | string | - |