better-auth/demo/nextjs/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 = (
    {
        ref,
        className,
        variant,
        ...props
    }
) => (<div
    ref={ref}
    role="alert"
    className={cn(alertVariants({ variant }), className)}
    {...props}
/>);
Alert.displayName = "Alert";

const AlertTitle = (
    {
        ref,
        className,
        ...props
    }: React.HTMLAttributes<HTMLHeadingElement> & {
        ref: React.RefObject<HTMLParagraphElement>;
    }
) => (<h5
    ref={ref}
    className={cn("mb-1 font-medium leading-none tracking-tight", className)}
    {...props}
/>);
AlertTitle.displayName = "AlertTitle";

const AlertDescription = (
    {
        ref,
        className,
        ...props
    }: React.HTMLAttributes<HTMLParagraphElement> & {
        ref: React.RefObject<HTMLParagraphElement>;
    }
) => (<div
    ref={ref}
    className={cn("text-sm [&_p]:leading-relaxed", className)}
    {...props}
/>);
AlertDescription.displayName = "AlertDescription";

export { Alert, AlertTitle, AlertDescription };