better-auth/demo/nextjs/components/ui/input-otp.tsx

"use client";

import * as React from "react";
import { DashIcon } from "@radix-ui/react-icons";
import { OTPInput, OTPInputContext } from "input-otp";

import { cn } from "@/lib/utils";

const InputOTP = (
    {
        ref,
        className,
        containerClassName,
        ...props
    }: React.ComponentPropsWithoutRef<typeof OTPInput> & {
        ref: React.RefObject<React.ElementRef<typeof OTPInput>>;
    }
) => (<OTPInput
    ref={ref}
    containerClassName={cn(
        "flex items-center gap-2 has-[:disabled]:opacity-50",
        containerClassName,
    )}
    className={cn("disabled:cursor-not-allowed", className)}
    {...props}
/>);
InputOTP.displayName = "InputOTP";

const InputOTPGroup = (
    {
        ref,
        className,
        ...props
    }: React.ComponentPropsWithoutRef<"div"> & {
        ref: React.RefObject<React.ElementRef<"div">>;
    }
) => (<div ref={ref} className={cn("flex items-center", className)} {...props} />);
InputOTPGroup.displayName = "InputOTPGroup";

const InputOTPSlot = (
    {
        ref,
        index,
        className,
        ...props
    }
) => {
	const inputOTPContext = React.useContext(OTPInputContext);
	const { char, hasFakeCaret, isActive } = inputOTPContext.slots[index];

	return (
		<div
			ref={ref}
			className={cn(
				"relative flex h-9 w-9 items-center justify-center border-y border-r border-input text-sm shadow-sm transition-all first:rounded-l-md first:border-l last:rounded-r-md",
				isActive && "z-10 ring-1 ring-ring",
				className,
			)}
			{...props}
		>
			{char}
			{hasFakeCaret && (
				<div className="pointer-events-none absolute inset-0 flex items-center justify-center">
					<div className="h-4 w-px animate-caret-blink bg-foreground duration-1000" />
				</div>
			)}
		</div>
	);
};
InputOTPSlot.displayName = "InputOTPSlot";

const InputOTPSeparator = (
    {
        ref,
        ...props
    }: React.ComponentPropsWithoutRef<"div"> & {
        ref: React.RefObject<React.ElementRef<"div">>;
    }
) => (<div ref={ref} role="separator" {...props}>
    <DashIcon />
</div>);
InputOTPSeparator.displayName = "InputOTPSeparator";

export { InputOTP, InputOTPGroup, InputOTPSlot, InputOTPSeparator };