motion-react

<motion.div />
<motion.button />
<motion.svg />
<motion.circle />

const MotionBox = motion.create(Box)
// forwardRef required — the ref must reach a DOM node

<motion.div
  initial={{ opacity: 0, y: 20 }}     // mount state (or false to skip)
  animate={{ opacity: 1, y: 0 }}      // target state
  exit={{ opacity: 0, y: -20 }}       // unmount state (needs AnimatePresence)
  transition={{ type: "spring", bounce: 0.25 }}
  whileHover={{ scale: 1.05 }}
  whileTap={{ scale: 0.95 }}
  whileFocus={{ borderColor: "#00f" }}
  whileDrag={{ scale: 1.1 }}
  whileInView={{ opacity: 1 }}
  viewport={{ once: true, margin: "-100px" }}
/>

<motion.li
  initial={{ transform: "translateX(-100px)" }}
  animate={{ transform: "translateX(0px)" }}
  transition={{ type: "spring" }}
/>

<motion.div animate={{ x: [0, 100, 0] }} />
 
// null = "use current value"
<motion.div animate={{ x: [null, 100, 0] }} />

const list = {
  visible: {
    transition: { staggerChildren: 0.1 }
  },
  hidden: {}
}
 
const item = {
  visible: { opacity: 1, y: 0 },
  hidden: { opacity: 0, y: 20 }
}
 
<motion.ul initial="hidden" animate="visible" variants={list}>
  <motion.li variants={item} />
  <motion.li variants={item} />
</motion.ul>

import { AnimatePresence } from "motion/react"
 
<AnimatePresence>
  {isVisible && (
    <motion.div
      key="modal"           // REQUIRED: unique key
      initial={{ opacity: 0 }}
      animate={{ opacity: 1 }}
      exit={{ opacity: 0 }}
    />
  )}
</AnimatePresence>

// WRONG — AnimatePresence unmounts with condition
{show && <AnimatePresence><motion.div /></AnimatePresence>}
 
// CORRECT — condition inside AnimatePresence
<AnimatePresence>{show && <motion.div key="k" />}</AnimatePresence>

<AnimatePresence mode="wait">
  <motion.img
    key={image.src}
    initial={{ x: 300, opacity: 0 }}
    animate={{ x: 0, opacity: 1 }}
    exit={{ x: -300, opacity: 0 }}
  />
</AnimatePresence>

<AnimatePresence custom={direction}>
  <Slide key={id} />
</AnimatePresence>
 
// Inside Slide:
const direction = usePresenceData()

// Spring (default for physical props: x, y, scale)
transition={{ type: "spring", bounce: 0.25 }}
transition={{ type: "spring", stiffness: 300, damping: 20 }}
transition={{ type: "spring", visualDuration: 0.5, bounce: 0.25 }}
 
// Tween (default for opacity, color)
transition={{ duration: 0.3, ease: "easeInOut" }}
 
// Per-value transitions
transition={{
  default: { type: "spring" },
  opacity: { duration: 0.2, ease: "linear" }
}}
 
// Orchestration
transition={{ delay: 0.5, repeat: Infinity, repeatType: "reverse" }}
 
// Global default
<MotionConfig transition={{ duration: 0.3 }}>

// Auto-animate any layout change
<motion.div layout />
 
// Shared element transitions
<motion.div layoutId="underline" />
 
// Customize layout transition
<motion.div layout transition={{ layout: { duration: 0.3 } }} />

<motion.div
  whileHover={{ scale: 1.1 }}
  whileTap={{ scale: 0.9 }}
  drag                           // enable both axes
  drag="x"                       // constrain to x-axis
  dragConstraints={{ left: -100, right: 100 }}
  dragElastic={0.2}
/>

// Viewport-triggered
<motion.div
  initial={{ opacity: 0, y: 50 }}
  whileInView={{ opacity: 1, y: 0 }}
  viewport={{ once: true }}
/>
 
// Scroll-linked progress bar
const { scrollYProgress } = useScroll()
<motion.div style={{ scaleX: scrollYProgress }} />
 
// Element scroll progress
const ref = useRef(null)
const { scrollYProgress } = useScroll({
  target: ref,
  offset: ["start end", "end start"]
})

// Manual motion values (no re-renders)
const x = useMotionValue(0)
const opacity = useTransform(x, [-200, 0, 200], [0, 1, 0])
<motion.div drag="x" style={{ x, opacity }} />
 
// Smooth spring following
const springX = useSpring(x, { stiffness: 100, damping: 30 })
 
// Imperative animation control
const [scope, animate] = useAnimate()
animate("li", { opacity: 1 }, { stagger: 0.1 })
 
// Event listener (no re-render)
useMotionValueEvent(scrollY, "change", (v) => console.log(v))

// LazyMotion pattern
import { LazyMotion, domAnimation, m } from "motion/react"
 
<LazyMotion features={domAnimation}>
  <m.div animate={{ opacity: 1 }} />
</LazyMotion>

<MotionConfig reducedMotion="user">
  <App />
</MotionConfig>

// WRONG — Tailwind transition conflicts with Motion
<motion.div className="transition-all duration-300" animate={{ x: 100 }} />
 
// CORRECT — Tailwind for styling, Motion for animation
<motion.div className="rounded-lg bg-blue-600 p-4" whileHover={{ scale: 1.05 }} />

// components/motion-client.tsx
"use client"
import * as motion from "motion/react-client"
export { motion }
 
// app/page.tsx (Server Component)
import { motion } from "@/components/motion-client"
<motion.div animate={{ opacity: 1 }} />