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Accueil: carrousel 3 cartes avec rotation en fondu toutes les 20s
Remplace le defilement continu par 3 cartes fixes et propres. Toutes les 20 s, les cartes disparaissent une a une (fondu decale) puis les 3 suivantes apparaissent une a une. Rotation equitable sur tous les adherents actifs. Respecte prefers-reduced-motion (bascule sans fondu). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -1,5 +1,6 @@
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"use client";
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import { useEffect, useState } from "react";
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import Link from "next/link";
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export type CarouselMember = {
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@@ -17,15 +18,18 @@ export type CarouselMember = {
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const STRIPE_WARM =
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"repeating-linear-gradient(45deg,#efe9da,#efe9da 12px,#e6ddc9 12px,#e6ddc9 24px)";
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function Card({ m }: { m: CarouselMember }) {
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const VISIBLE = 3;
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const INTERVAL_MS = 20_000;
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const STAGGER_MS = 220; // décalage de disparition/apparition entre cartes
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const FADE_MS = 450;
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function Card({ m, visible, index }: { m: CarouselMember; visible: boolean; index: number }) {
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const image = m.coverUrl || m.logoUrl;
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return (
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<Link
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href={`/adherents/${m.id}`}
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className="lift-card"
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style={{
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flex: "0 0 300px",
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width: 300,
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background: "#fff",
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border: "1px solid #e6dcc6",
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borderRadius: 18,
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@@ -33,6 +37,10 @@ function Card({ m }: { m: CarouselMember }) {
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textDecoration: "none",
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color: "inherit",
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display: "block",
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opacity: visible ? 1 : 0,
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transform: visible ? "translateY(0)" : "translateY(14px)",
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transition: `opacity ${FADE_MS}ms ease, transform ${FADE_MS}ms ease`,
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transitionDelay: `${index * STAGGER_MS}ms`,
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}}
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>
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<div
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@@ -73,20 +81,44 @@ function Card({ m }: { m: CarouselMember }) {
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}
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export function MembersCarousel({ members }: { members: CarouselMember[] }) {
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if (members.length === 0) return null;
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const [start, setStart] = useState(0);
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const [visible, setVisible] = useState(true);
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// Vitesse proportionnelle au nombre de cartes (≈ 6 s par carte).
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const duration = Math.max(20, members.length * 6);
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// Doublé pour un défilement en boucle sans couture.
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const loop = [...members, ...members];
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const total = members.length;
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const canRotate = total > VISIBLE;
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useEffect(() => {
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if (!canRotate) return;
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// Respecte la préférence de réduction d'animation.
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const reduce = window.matchMedia?.("(prefers-reduced-motion: reduce)").matches;
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const tick = setInterval(() => {
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if (reduce) {
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setStart((s) => (s + VISIBLE) % total);
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return;
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}
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// Disparition une à une, puis changement, puis réapparition une à une.
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setVisible(false);
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const outMs = FADE_MS + STAGGER_MS * (VISIBLE - 1);
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setTimeout(() => {
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setStart((s) => (s + VISIBLE) % total);
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setVisible(true);
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}, outMs);
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}, INTERVAL_MS);
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return () => clearInterval(tick);
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}, [canRotate, total]);
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if (total === 0) return null;
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// Fenêtre de 3 cartes, avec bouclage propre si on dépasse la fin.
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const shown = Array.from({ length: Math.min(VISIBLE, total) }, (_, i) => members[(start + i) % total]);
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return (
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<div className="pleinr-marquee" aria-label="Adhérents à l'honneur">
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<div className="pleinr-marquee-track" style={{ animationDuration: `${duration}s` }}>
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{loop.map((m, i) => (
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<Card key={`${m.id}-${i}`} m={m} />
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))}
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</div>
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<div className="grid grid-3" style={{ gap: 18 }}>
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{shown.map((m, i) => (
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<Card key={i} m={m} visible={visible} index={i} />
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))}
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</div>
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);
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}
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