73 lines
2.2 KiB
TypeScript
73 lines
2.2 KiB
TypeScript
// components/StatsBar.tsx
|
|
"use client";
|
|
|
|
import { useEffect, useRef, useState } from "react";
|
|
|
|
const stats = [
|
|
{ value: 30, suffix: "+", label: "Jahre IT-Erfahrung", accent: "orange" },
|
|
{ value: 99, suffix: "%", label: "Server-Uptime", accent: "blue" },
|
|
{ value: 50, suffix: "+", label: "Abgeschlossene Projekte", accent: "orange" },
|
|
{ value: 24, suffix: "h", label: "Support-Reaktionszeit", accent: "blue" },
|
|
];
|
|
|
|
function Counter({ value, suffix, accent }: { value: number; suffix: string; accent: string }) {
|
|
const [count, setCount] = useState(0);
|
|
const ref = useRef<HTMLSpanElement>(null);
|
|
const started = useRef(false);
|
|
|
|
useEffect(() => {
|
|
const el = ref.current;
|
|
if (!el) return;
|
|
|
|
const observer = new IntersectionObserver(
|
|
([entry]) => {
|
|
if (entry.isIntersecting && !started.current) {
|
|
started.current = true;
|
|
const duration = 1500;
|
|
const start = performance.now();
|
|
|
|
const tick = (now: number) => {
|
|
const progress = Math.min((now - start) / duration, 1);
|
|
const eased = 1 - Math.pow(1 - progress, 3);
|
|
setCount(Math.floor(eased * value));
|
|
if (progress < 1) requestAnimationFrame(tick);
|
|
};
|
|
|
|
requestAnimationFrame(tick);
|
|
observer.disconnect();
|
|
}
|
|
},
|
|
{ threshold: 0.3 }
|
|
);
|
|
|
|
observer.observe(el);
|
|
return () => observer.disconnect();
|
|
}, [value]);
|
|
|
|
const color = accent === "orange" ? "text-orange-400" : "text-blue-400";
|
|
|
|
return (
|
|
<span ref={ref} className={`text-4xl sm:text-5xl font-black ${color}`}>
|
|
{count}{suffix}
|
|
</span>
|
|
);
|
|
}
|
|
|
|
export default function StatsBar() {
|
|
return (
|
|
<section className="py-12 px-4 sm:px-6 lg:px-8 relative">
|
|
<div className="absolute inset-0 bg-[#e8eef4] dark:bg-[#111925]" />
|
|
<div className="max-w-7xl mx-auto relative">
|
|
<div className="grid grid-cols-2 lg:grid-cols-4 gap-8">
|
|
{stats.map((stat) => (
|
|
<div key={stat.label} className="text-center">
|
|
<Counter value={stat.value} suffix={stat.suffix} accent={stat.accent} />
|
|
<p className="text-slate-500 text-sm mt-1">{stat.label}</p>
|
|
</div>
|
|
))}
|
|
</div>
|
|
</div>
|
|
</section>
|
|
);
|
|
}
|