Developers Digest
65 lines
1.5 KiB
TypeScript
65 lines
1.5 KiB
TypeScript
"use client";
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import { HTMLAttributes, useEffect, useRef } from "react";
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import { cn } from "@/utils/cn";
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import { setIntervalOnVisible } from "@/utils/set-timeout-on-visible";
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import data from "./pulse-data.json";
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interface AuthPulseProps extends HTMLAttributes<HTMLDivElement> {
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interval?: number;
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opacity?: number;
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}
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export function AuthPulse({
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interval = 100,
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opacity = 0.15,
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className,
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...attrs
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}: AuthPulseProps) {
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const ref = useRef<HTMLDivElement>(null);
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const wrapperRef = useRef<HTMLDivElement>(null);
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const frameIndex = useRef(0);
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useEffect(() => {
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const animate = () => {
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if (ref.current) {
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ref.current.innerHTML = data[frameIndex.current];
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frameIndex.current = (frameIndex.current + 1) % data.length;
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}
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};
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// Initialize first frame
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animate();
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const cleanup = setIntervalOnVisible({
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element: wrapperRef.current,
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callback: animate,
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interval,
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});
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return () => cleanup?.();
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}, [interval]);
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return (
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<div
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ref={wrapperRef}
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{...attrs}
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className={cn(
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"absolute inset-0 pointer-events-none select-none overflow-hidden",
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className,
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)}
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>
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<div
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ref={ref}
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className="font-mono text-heat-100 absolute inset-0 flex items-center justify-center fc-decoration"
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style={{
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whiteSpace: "pre",
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fontSize: "9px",
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lineHeight: "11px",
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opacity,
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}}
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/>
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</div>
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);
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}
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