Godopu
f3972cac27
- Enhance Reveal component with HTMLAttributes passthrough and inline style merging - Integrate Reveal into Home, Members, Publications, Lectures, and Standardization sections - Apply lightweight stagger delay (max 360ms cap) without breaking grid stretch (h-full) - Preserve ProjectPageView CSS Scroll Snap direct-child contract via as='article' in-place replacement - Integrate Counter component for metrics and category badges - Support prefers-reduced-motion media query and noscript fallback - All 12 quality gates passed clean with unanimous PASS from all reviewers
68 lines
1.5 KiB
TypeScript
68 lines
1.5 KiB
TypeScript
"use client";
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import { useEffect, useRef, type ElementType, type ReactNode, type HTMLAttributes } from "react";
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type Variant = "up" | "left" | "right" | "scale";
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/**
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* Scroll-triggered reveal. Uses a single IntersectionObserver (no deps).
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* Pairs with the `.reveal` / `.is-visible` rules in globals.css.
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*
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* CUSTOMIZATION HOOK — MOTION:
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* variant → direction of entrance
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* delay → stagger (ms), applied as transition-delay
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*/
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export default function Reveal({
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children,
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variant = "up",
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delay = 0,
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as: Tag = "div",
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className = "",
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style,
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...rest
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}: HTMLAttributes<HTMLElement> & {
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children: ReactNode;
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variant?: Variant;
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delay?: number;
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as?: ElementType;
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className?: string;
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}) {
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const ref = useRef<HTMLElement>(null);
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useEffect(() => {
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const el = ref.current;
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if (!el) return;
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const io = new IntersectionObserver(
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(entries) => {
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entries.forEach((entry) => {
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if (entry.isIntersecting) {
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entry.target.classList.add("is-visible");
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io.unobserve(entry.target);
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}
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});
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},
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{ threshold: 0.12, rootMargin: "0px 0px -8% 0px" }
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);
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io.observe(el);
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return () => io.disconnect();
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}, []);
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const combinedStyle = delay
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? { ...style, transitionDelay: `${delay}ms` }
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: style;
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return (
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<Tag
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ref={ref}
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data-variant={variant}
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style={combinedStyle}
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className={`reveal ${className}`}
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{...rest}
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>
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{children}
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</Tag>
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);
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}
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