78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
"use client";
|
|
|
|
import { cn } from "@/lib/utils";
|
|
import type { MotionProps } from "motion/react";
|
|
import { motion } from "motion/react";
|
|
import type { CSSProperties, ElementType, JSX } from "react";
|
|
import { memo, useMemo } from "react";
|
|
|
|
type MotionHTMLProps = MotionProps & Record<string, unknown>;
|
|
|
|
// Cache motion components at module level to avoid creating during render
|
|
const motionComponentCache = new Map<
|
|
keyof JSX.IntrinsicElements,
|
|
React.ComponentType<MotionHTMLProps>
|
|
>();
|
|
|
|
const getMotionComponent = (element: keyof JSX.IntrinsicElements) => {
|
|
let component = motionComponentCache.get(element);
|
|
if (!component) {
|
|
component = motion.create(element);
|
|
motionComponentCache.set(element, component);
|
|
}
|
|
return component;
|
|
};
|
|
|
|
export interface TextShimmerProps {
|
|
children: string;
|
|
as?: ElementType;
|
|
className?: string;
|
|
duration?: number;
|
|
spread?: number;
|
|
}
|
|
|
|
const ShimmerComponent = ({
|
|
children,
|
|
as: Component = "p",
|
|
className,
|
|
duration = 2,
|
|
spread = 2,
|
|
}: TextShimmerProps) => {
|
|
const MotionComponent = getMotionComponent(
|
|
Component as keyof JSX.IntrinsicElements
|
|
);
|
|
|
|
const dynamicSpread = useMemo(
|
|
() => (children?.length ?? 0) * spread,
|
|
[children, spread]
|
|
);
|
|
|
|
return (
|
|
<MotionComponent
|
|
animate={{ backgroundPosition: "0% center" }}
|
|
className={cn(
|
|
"relative inline-block bg-[length:250%_100%,auto] bg-clip-text text-transparent",
|
|
"[--bg:linear-gradient(90deg,#0000_calc(50%-var(--spread)),var(--color-background),#0000_calc(50%+var(--spread)))] [background-repeat:no-repeat,padding-box]",
|
|
className
|
|
)}
|
|
initial={{ backgroundPosition: "100% center" }}
|
|
style={
|
|
{
|
|
"--spread": `${dynamicSpread}px`,
|
|
backgroundImage:
|
|
"var(--bg), linear-gradient(var(--color-muted-foreground), var(--color-muted-foreground))",
|
|
} as CSSProperties
|
|
}
|
|
transition={{
|
|
duration,
|
|
ease: "linear",
|
|
repeat: Number.POSITIVE_INFINITY,
|
|
}}
|
|
>
|
|
{children}
|
|
</MotionComponent>
|
|
);
|
|
};
|
|
|
|
export const Shimmer = memo(ShimmerComponent);
|