81 lines
2.5 KiB
TypeScript
81 lines
2.5 KiB
TypeScript
import { useEffect, useRef, useState } from "react";
|
|
import { cn } from "@/lib/utils";
|
|
import { AnimatePresence, motion } from "framer-motion";
|
|
|
|
interface AnimatedQuantityProps {
|
|
value: number;
|
|
format?: (val: number) => string;
|
|
className?: string;
|
|
useColor?: boolean; // 값이 증가하면 빨강, 감소하면 파랑 배경 깜빡임 여부
|
|
}
|
|
|
|
export function AnimatedQuantity({
|
|
value,
|
|
format = (v) => v.toLocaleString(),
|
|
className,
|
|
useColor = false,
|
|
}: AnimatedQuantityProps) {
|
|
const prevValueRef = useRef(value);
|
|
const [diff, setDiff] = useState<number | null>(null);
|
|
const [flash, setFlash] = useState<"up" | "down" | null>(null);
|
|
|
|
useEffect(() => {
|
|
if (prevValueRef.current !== value) {
|
|
const difference = value - prevValueRef.current;
|
|
setDiff(difference);
|
|
prevValueRef.current = value;
|
|
|
|
if (difference !== 0) {
|
|
setFlash(difference > 0 ? "up" : "down");
|
|
const timer = setTimeout(() => {
|
|
setDiff(null);
|
|
setFlash(null);
|
|
}, 1200); // 1.2초 후 초기화
|
|
return () => clearTimeout(timer);
|
|
}
|
|
}
|
|
}, [value]);
|
|
|
|
return (
|
|
<div className={cn("relative inline-block tabular-nums", className)}>
|
|
{/* Background Flash Effect */}
|
|
<AnimatePresence>
|
|
{useColor && flash && (
|
|
<motion.div
|
|
initial={{ opacity: 0.5 }}
|
|
animate={{ opacity: 0 }}
|
|
exit={{ opacity: 0 }}
|
|
transition={{ duration: 1 }}
|
|
className={cn(
|
|
"absolute inset-0 z-0 rounded-sm",
|
|
flash === "up" ? "bg-red-200/50" : "bg-blue-200/50",
|
|
)}
|
|
/>
|
|
)}
|
|
</AnimatePresence>
|
|
|
|
{/* Main Value */}
|
|
<span className="relative z-10">{format(value)}</span>
|
|
|
|
{/* Diff Indicator */}
|
|
<AnimatePresence>
|
|
{diff !== null && diff !== 0 && (
|
|
<motion.span
|
|
initial={{ opacity: 1, y: 0, scale: 1 }}
|
|
animate={{ opacity: 0, y: -10, scale: 0.9 }}
|
|
exit={{ opacity: 0 }}
|
|
transition={{ duration: 1.2, ease: "easeOut" }}
|
|
className={cn(
|
|
"absolute left-full top-0 ml-1 whitespace-nowrap text-[10px] font-bold z-20",
|
|
diff > 0 ? "text-red-500" : "text-blue-500",
|
|
)}
|
|
style={{ pointerEvents: "none" }} // 클릭 방해 방지
|
|
>
|
|
{diff > 0 ? `+${diff.toLocaleString()}` : diff.toLocaleString()}
|
|
</motion.span>
|
|
)}
|
|
</AnimatePresence>
|
|
</div>
|
|
);
|
|
}
|