svrjs-nextjs-website/components/widgets/num-tick.tsx

52 lines
1.2 KiB
TypeScript
Raw Normal View History

2024-06-15 14:55:33 +02:00
"use client";
import { useInView, useMotionValue, useSpring } from "framer-motion";
import { useEffect, useRef } from "react";
export default function NumTicker({
value,
direction = "up",
delay = 0,
className,
}: {
value: number;
direction?: "up" | "down";
className?: string;
delay?: number;
}) {
const ref = useRef<HTMLSpanElement>(null);
const motionValue = useMotionValue(direction === "down" ? value : 0);
const springValue = useSpring(motionValue, {
damping: 60,
stiffness: 100,
});
const isInView = useInView(ref, { once: true, margin: "0px" });
useEffect(() => {
isInView &&
setTimeout(() => {
motionValue.set(direction === "down" ? value : 0);
}, delay * 1000);
}, [motionValue, isInView, delay, value, direction]);
useEffect(
() =>
springValue.on("change", (latest) => {
if (ref.current) {
ref.current.textContent = Intl.NumberFormat("en-US").format(
latest.toFixed(0)
);
}
}),
[springValue]
);
return (
<span
className={`inline-block tabular-nums text-black dark:text-white ${className}`}
ref={ref}
/>
);
}