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"use client";
import React, { useState, useEffect, useRef } from "react";
import { motion } from "motion/react";
import { cn } from "@/lib/utils";
type Direction = "TOP" | "LEFT" | "BOTTOM" | "RIGHT";
export function HoverBorderGradient({
children,
containerClassName,
className,
as: Tag = "button",
duration = 1,
clockwise = true,
...props
}: React.PropsWithChildren<
{
as?: React.ElementType;
containerClassName?: string;
className?: string;
duration?: number;
clockwise?: boolean;
} & React.HTMLAttributes<HTMLElement>
>) {
const [hovered, setHovered] = useState<boolean>(false);
const [direction, setDirection] = useState<Direction>("TOP");
const rotateDirection = (currentDirection: Direction): Direction => {
const directions: Direction[] = ["TOP", "LEFT", "BOTTOM", "RIGHT"];
const currentIndex = directions.indexOf(currentDirection);
const nextIndex = clockwise
? (currentIndex - 1 + directions.length) % directions.length
: (currentIndex + 1) % directions.length;
return directions[nextIndex];
};
const movingMap: Record<Direction, string> = {
TOP: "radial-gradient(20.7% 50% at 50% 0%, hsl(0, 0%, 100%) 0%, rgba(255, 255, 255, 0) 100%)",
LEFT: "radial-gradient(16.6% 43.1% at 0% 50%, hsl(0, 0%, 100%) 0%, rgba(255, 255, 255, 0) 100%)",
BOTTOM:
"radial-gradient(20.7% 50% at 50% 100%, hsl(0, 0%, 100%) 0%, rgba(255, 255, 255, 0) 100%)",
RIGHT:
"radial-gradient(16.2% 41.199999999999996% at 100% 50%, hsl(0, 0%, 100%) 0%, rgba(255, 255, 255, 0) 100%)",
};
const highlight =
"radial-gradient(75% 181.15942028985506% at 50% 50%, #3275F8 0%, rgba(255, 255, 255, 0) 100%)";
useEffect(() => {
if (!hovered) {
const interval = setInterval(() => {
setDirection((prevState) => rotateDirection(prevState));
}, duration * 1000);
return () => clearInterval(interval);
}
}, [hovered]);
return (
<Tag
onMouseEnter={(event: React.MouseEvent<HTMLDivElement>) => {
setHovered(true);
}}
onMouseLeave={() => setHovered(false)}
className={cn(
"relative flex rounded-full border border-indigo-300/50 content-center bg-black/20 hover:bg-black/10 transition duration-500 items-center flex-col flex-nowrap gap-10 h-min justify-center overflow-visible p-px decoration-clone w-fit",
containerClassName
)}
{...props}
>
<div
className={cn(
"w-auto text-white z-10 bg-black px-4 py-2 rounded-[inherit]",
className
)}
>
{children}
</div>
<motion.div
className={cn(
"flex-none inset-0 overflow-hidden absolute z-0 rounded-[inherit]"
)}
style={{
filter: "blur(2px)",
position: "absolute",
width: "100%",
height: "110%",
margin: "auto",
}}
initial={{ background: movingMap[direction] }}
animate={{
background: hovered
? [movingMap[direction], highlight]
: movingMap[direction],
}}
transition={{ ease: "linear", duration: duration ?? 1 }}
/>
<div className="bg-black absolute z-1 flex-none inset-[2px] rounded-[100px]" />
</Tag>
);
}
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