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Alert

A callout that displays a short, important message to attract attention.

npx shadcn add "https://blode.co/ui/r/alert.json"
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Files1 · source cached 10/15/2026, 10:07:05 AM

ui/alert.tsx
import { cva } from "class-variance-authority";
import type { VariantProps } from "class-variance-authority";
import type * as React from "react";

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",
  {
    defaultVariants: {
      variant: "default",
    },
    variants: {
      variant: {
        default: "bg-card text-card-foreground",
        destructive:
          "bg-card text-destructive *:data-[slot=alert-description]:text-destructive/90 [&>svg]:text-current",
      },
    },
  },
);

const Alert = ({
  className,
  variant,
  ...props
}: React.ComponentProps<"div"> & VariantProps<typeof alertVariants>) => (
  <div
    className={cn(alertVariants({ variant }), className)}
    data-slot="alert"
    role="alert"
    {...props}
  />
);

const AlertTitle = ({ className, ...props }: React.ComponentProps<"div">) => (
  <div
    className={cn("col-start-2 line-clamp-1 min-h-4 font-medium tracking-tight", className)}
    data-slot="alert-title"
    {...props}
  />
);

const AlertDescription = ({ className, ...props }: React.ComponentProps<"div">) => (
  <div
    className={cn(
      "col-start-2 grid justify-items-start gap-1 text-muted-foreground text-sm [&_p]:leading-relaxed",
      className,
    )}
    data-slot="alert-description"
    {...props}
  />
);

export { Alert, AlertTitle, AlertDescription };

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