wshobson
Design and implement microinteractions, motion design, transitions, and user feedback patterns. Use when adding polish to UI interactions, implementing loading states, or creating delightful user experiences.
bunx add-skill wshobson/agents -s interaction-designLoading…
Create engaging, intuitive interactions through motion, feedback, and thoughtful state transitions that enhance usability and delight users.
Motion should communicate, not decorate:
| Duration | Use Case |
|---|---|
| 100-150ms | Micro-feedback (hovers, clicks) |
| 200-300ms | Small transitions (toggles, dropdowns) |
| 300-500ms | Medium transitions (modals, page changes) |
| 500ms+ | Complex choreographed animations |
/* Common easings */
--ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* Decelerate - entering */
--ease-in: cubic-bezier(0.55, 0, 1, 0.45); /* Accelerate - exiting */
--ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* Both - moving between */
--spring: cubic-bezier(0.34, 1.56, 0.64, 1); /* Overshoot - playful */
import { motion } from "framer-motion";
export function InteractiveButton({ children, onClick }) {
return (
<motion.button
onClick={onClick}
whileHover={{ scale: 1.02 }}
whileTap={{ scale: 0.98 }}
transition={{ type: "spring", stiffness: 400, damping: 17 }}
className="px-4 py-2 bg-blue-600 text-white rounded-lg"
>
{children}
</motion.button>
);
}
Skeleton Screens: Preserve layout while loading
function CardSkeleton() {
return (
<div className="animate-pulse">
<div className="h-48 bg-gray-200 rounded-lg" />
<div className="mt-4 h-4 bg-gray-200 rounded w-3/4" />
<div className="mt-2 h-4 bg-gray-200 rounded w-1/2" />
</div>
);
}
Progress Indicators: Show determinate progress
function ProgressBar({ progress }: { progress: number }) {
return (
<div className="h-2 bg-gray-200 rounded-full overflow-hidden">
<motion.div
className="h-full bg-blue-600"
initial={{ width: 0 }}
animate={{ width: `${progress}%` }}
transition={{ ease: "easeOut" }}
/>
</div>
);
}
Toggle with smooth transition:
function Toggle({ checked, onChange }) {
return (
<button
role="switch"
aria-checked={checked}
onClick={() => onChange(!checked)}
className={`
relative w-12 h-6 rounded-full transition-colors duration-200
${checked ? "bg-blue-600" : "bg-gray-300"}
`}
>
<motion.span
className="absolute top-1 left-1 w-4 h-4 bg-white rounded-full shadow"
animate={{ x: checked ? 24 : 0 }}
transition={{ type: "spring", stiffness: 500, damping: 30 }}
/>
</button>
);
}
Framer Motion layout animations:
import { AnimatePresence, motion } from "framer-motion";
function PageTransition({ children, key }) {
return (
<AnimatePresence mode="wait">
<motion.div
key={key}
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
exit={{ opacity: 0, y: -20 }}
transition={{ duration: 0.3 }}
>
{children}
</motion.div>
</AnimatePresence>
);
}
Ripple effect on click:
function RippleButton({ children, onClick }) {
const [ripples, setRipples] = useState([]);
const handleClick = (e) => {
const rect = e.currentTarget.getBoundingClientRect();
const ripple = {
x: e.clientX - rect.left,
y: e.clientY - rect.top,
id: Date.now(),
};
setRipples((prev) => [...prev, ripple]);
setTimeout(() => {
setRipples((prev) => prev.filter((r) => r.id !== ripple.id));
}, 600);
onClick?.(e);
};
return (
<button onClick={handleClick} className="relative overflow-hidden">
{children}
{ripples.map((ripple) => (
<span
key={ripple.id}
className="absolute bg-white/30 rounded-full animate-ripple"
style={{ left: ripple.x, top: ripple.y }}
/>
))}
</button>
);
}
Swipe to dismiss:
function SwipeCard({ children, onDismiss }) {
return (
<motion.div
drag="x"
dragConstraints={{ left: 0, right: 0 }}
onDragEnd={(_, info) => {
if (Math.abs(info.offset.x) > 100) {
onDismiss();
}
}}
className="cursor-grab active:cursor-grabbing"
>
{children}
</motion.div>
);
}
@keyframes fadeIn {
from {
opacity: 0;
transform: translateY(10px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
@keyframes pulse {
0%,
100% {
opacity: 1;
}
50% {
opacity: 0.5;
}
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
.animate-fadeIn {
animation: fadeIn 0.3s ease-out;
}
.animate-pulse {
animation: pulse 2s ease-in-out infinite;
}
.animate-spin {
animation: spin 1s linear infinite;
}
.card {
transition:
transform 0.2s ease-out,
box-shadow 0.2s ease-out;
}
.card:hover {
transform: translateY(-4px);
box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}
/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}
function AnimatedComponent() {
const prefersReducedMotion = window.matchMedia(
"(prefers-reduced-motion: reduce)",
).matches;
return (
<motion.div
animate={{ opacity: 1 }}
transition={{ duration: prefersReducedMotion ? 0 : 0.3 }}
/>
);
}
transform and opacity for smooth 60fpsprefers-reduced-motionwidth, height, top, leftwill-change sparingly for optimizationUse when you need to run Flow type checking, or when seeing Flow type errors in React code.
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Use when you need to check feature flag states, compare channels, or debug why a feature behaves differently across release channels.