Ulas
1122bd269b
Replace all — with - in all source files (JS, CSS, HTML, JSON, Markdown) for consistency and readability. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
/**
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* Modul: UX Utilities
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* Zweck: Wiederverwendbare Animationshelfer (Stagger, Vibration)
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* Abhängigkeiten: keine
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*/
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/**
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* Gestaffeltes Einblenden einer NodeList oder eines Arrays von Elementen.
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* Maximal MAX_STAGGER Elemente werden verzögert, der Rest sofort eingeblendet.
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*
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* @param {NodeList|Element[]} elements
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* @param {Object} [opts]
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* @param {number} [opts.delay=30] - ms zwischen jedem Element
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* @param {number} [opts.duration=180] - ms pro Element
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* @param {number} [opts.max=5] - Maximale Anzahl gestaffelter Elemente
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*/
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export function stagger(elements, { delay = 30, duration = 180, max = 5 } = {}) {
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if (window.matchMedia('(prefers-reduced-motion: reduce)').matches) return;
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const els = Array.from(elements);
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els.forEach((el, i) => {
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const itemDelay = i < max ? i * delay : max * delay;
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el.style.opacity = '0';
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el.style.transform = 'translateY(8px)';
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el.style.transition = `opacity ${duration}ms ease, transform ${duration}ms ease`;
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setTimeout(() => {
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el.style.opacity = '1';
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el.style.transform = 'translateY(0)';
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}, itemDelay);
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});
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}
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/**
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* Vibrationsmuster abspielen, wenn die API verfügbar ist und
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* keine reduzierte Bewegung gewünscht wird.
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*
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* @param {number|number[]} pattern - ms oder [an, aus, an, ...]-Array
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*/
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export function vibrate(pattern) {
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if (!navigator.vibrate) return;
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if (window.matchMedia('(prefers-reduced-motion: reduce)').matches) return;
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navigator.vibrate(pattern);
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}
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