48 lines
1.0 KiB
TypeScript
48 lines
1.0 KiB
TypeScript
"use client";
|
|
|
|
import { motion, useInView } from "motion/react";
|
|
import { useEffect, useRef, useState } from "react";
|
|
|
|
export function AnimatedCounter({
|
|
value,
|
|
suffix = "",
|
|
}: {
|
|
value: number;
|
|
suffix?: string;
|
|
}) {
|
|
const ref = useRef<HTMLSpanElement>(null);
|
|
const isInView = useInView(ref, { once: true, margin: "-50px" });
|
|
const [display, setDisplay] = useState(0);
|
|
|
|
useEffect(() => {
|
|
if (!isInView) return;
|
|
const duration = 1200;
|
|
const steps = 30;
|
|
const increment = value / steps;
|
|
let current = 0;
|
|
let step = 0;
|
|
const id = setInterval(() => {
|
|
step++;
|
|
current = Math.min(Math.round(increment * step), value);
|
|
setDisplay(current);
|
|
if (step >= steps) {
|
|
clearInterval(id);
|
|
setDisplay(value);
|
|
}
|
|
}, duration / steps);
|
|
return () => clearInterval(id);
|
|
}, [isInView, value]);
|
|
|
|
return (
|
|
<motion.span
|
|
ref={ref}
|
|
initial={{ opacity: 0, y: 12 }}
|
|
animate={isInView ? { opacity: 1, y: 0 } : {}}
|
|
transition={{ duration: 0.5, ease: "easeOut" }}
|
|
>
|
|
{display.toLocaleString()}
|
|
{suffix}
|
|
</motion.span>
|
|
);
|
|
}
|