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framer-motion-animator

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Framer Motion Animator

Framer Motion 动画实现指南

Build delightful animations and interactions with Framer Motion's declarative API.
使用Framer Motion的声明式API打造令人愉悦的动画和交互效果。

Core Workflow

核心工作流程

  1. Identify animation needs: Entrance, exit, hover, gestures
  2. Choose animation type: Simple, variants, gestures, layout
  3. Define motion values: Opacity, scale, position, rotation
  4. Add transitions: Duration, easing, spring physics
  5. Orchestrate sequences: Stagger, delay, parent-child
  6. Optimize performance: GPU-accelerated properties
  1. 确定动画需求：入场、退场、悬停、手势
  2. 选择动画类型：简单动画、变体、手势、布局
  3. 定义运动值：透明度、缩放、位置、旋转
  4. 添加过渡效果：时长、缓动、弹簧物理
  5. 编排动画序列：交错、延迟、父子联动
  6. 优化性能：使用GPU加速属性

Installation

安装

bash
npm install framer-motion
bash
npm install framer-motion

Basic Animations

基础动画

Simple Animation

简单动画

tsx
import { motion } from 'framer-motion';

// Animate on mount
export function FadeIn({ children }: { children: React.ReactNode }) {
  return (
    <motion.div
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      transition={{ duration: 0.5 }}
    >
      {children}
    </motion.div>
  );
}

// Animate on hover
export function ScaleOnHover({ children }: { children: React.ReactNode }) {
  return (
    <motion.div
      whileHover={{ scale: 1.05 }}
      whileTap={{ scale: 0.95 }}
      transition={{ type: 'spring', stiffness: 400, damping: 17 }}
    >
      {children}
    </motion.div>
  );
}
tsx
import { motion } from 'framer-motion';

// 挂载时动画
export function FadeIn({ children }: { children: React.ReactNode }) {
  return (
    <motion.div
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      transition={{ duration: 0.5 }}
    >
      {children}
    </motion.div>
  );
}

// 悬停时动画
export function ScaleOnHover({ children }: { children: React.ReactNode }) {
  return (
    <motion.div
      whileHover={{ scale: 1.05 }}
      whileTap={{ scale: 0.95 }}
      transition={{ type: 'spring', stiffness: 400, damping: 17 }}
    >
      {children}
    </motion.div>
  );
}

Exit Animations with AnimatePresence

结合AnimatePresence实现退场动画

tsx
import { motion, AnimatePresence } from 'framer-motion';

export function Modal({ isOpen, onClose, children }: ModalProps) {
  return (
    <AnimatePresence>
      {isOpen && (
        <>
          {/* Backdrop */}
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            onClick={onClose}
            className="fixed inset-0 bg-black/50 z-40"
          />

          {/* Modal */}
          <motion.div
            initial={{ opacity: 0, scale: 0.95, y: 20 }}
            animate={{ opacity: 1, scale: 1, y: 0 }}
            exit={{ opacity: 0, scale: 0.95, y: 20 }}
            transition={{ type: 'spring', damping: 25, stiffness: 300 }}
            className="fixed inset-0 z-50 flex items-center justify-center"
          >
            <div className="bg-white rounded-xl p-6 max-w-md w-full">
              {children}
            </div>
          </motion.div>
        </>
      )}
    </AnimatePresence>
  );
}
tsx
import { motion, AnimatePresence } from 'framer-motion';

export function Modal({ isOpen, onClose, children }: ModalProps) {
  return (
    <AnimatePresence>
      {isOpen && (
        <>
          {/* 遮罩层 */}
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            onClick={onClose}
            className="fixed inset-0 bg-black/50 z-40"
          />

          {/* 弹窗 */}
          <motion.div
            initial={{ opacity: 0, scale: 0.95, y: 20 }}
            animate={{ opacity: 1, scale: 1, y: 0 }}
            exit={{ opacity: 0, scale: 0.95, y: 20 }}
            transition={{ type: 'spring', damping: 25, stiffness: 300 }}
            className="fixed inset-0 z-50 flex items-center justify-center"
          >
            <div className="bg-white rounded-xl p-6 max-w-md w-full">
              {children}
            </div>
          </motion.div>
        </>
      )}
    </AnimatePresence>
  );
}

Variants Pattern

变体模式

Staggered Children

子元素交错动画

tsx
const containerVariants = {
  hidden: { opacity: 0 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.1,
      delayChildren: 0.2,
    },
  },
};

const itemVariants = {
  hidden: { opacity: 0, y: 20 },
  visible: {
    opacity: 1,
    y: 0,
    transition: { type: 'spring', stiffness: 300, damping: 24 },
  },
};

export function StaggeredList({ items }: { items: string[] }) {
  return (
    <motion.ul
      variants={containerVariants}
      initial="hidden"
      animate="visible"
    >
      {items.map((item, index) => (
        <motion.li key={index} variants={itemVariants}>
          {item}
        </motion.li>
      ))}
    </motion.ul>
  );
}
tsx
const containerVariants = {
  hidden: { opacity: 0 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.1,
      delayChildren: 0.2,
    },
  },
};

const itemVariants = {
  hidden: { opacity: 0, y: 20 },
  visible: {
    opacity: 1,
    y: 0,
    transition: { type: 'spring', stiffness: 300, damping: 24 },
  },
};

export function StaggeredList({ items }: { items: string[] }) {
  return (
    <motion.ul
      variants={containerVariants}
      initial="hidden"
      animate="visible"
    >
      {items.map((item, index) => (
        <motion.li key={index} variants={itemVariants}>
          {item}
        </motion.li>
      ))}
    </motion.ul>
  );
}

Interactive Variants

交互式变体

tsx
const buttonVariants = {
  initial: { scale: 1 },
  hover: { scale: 1.05 },
  tap: { scale: 0.95 },
  disabled: { opacity: 0.5, scale: 1 },
};

export function AnimatedButton({
  children,
  disabled,
  onClick,
}: ButtonProps) {
  return (
    <motion.button
      variants={buttonVariants}
      initial="initial"
      whileHover={disabled ? 'disabled' : 'hover'}
      whileTap={disabled ? 'disabled' : 'tap'}
      animate={disabled ? 'disabled' : 'initial'}
      onClick={onClick}
      disabled={disabled}
      className="px-4 py-2 bg-blue-500 text-white rounded-lg"
    >
      {children}
    </motion.button>
  );
}
tsx
const buttonVariants = {
  initial: { scale: 1 },
  hover: { scale: 1.05 },
  tap: { scale: 0.95 },
  disabled: { opacity: 0.5, scale: 1 },
};

export function AnimatedButton({
  children,
  disabled,
  onClick,
}: ButtonProps) {
  return (
    <motion.button
      variants={buttonVariants}
      initial="initial"
      whileHover={disabled ? 'disabled' : 'hover'}
      whileTap={disabled ? 'disabled' : 'tap'}
      animate={disabled ? 'disabled' : 'initial'}
      onClick={onClick}
      disabled={disabled}
      className="px-4 py-2 bg-blue-500 text-white rounded-lg"
    >
      {children}
    </motion.button>
  );
}

Page Transitions

页面过渡

Next.js App Router

Next.js App Router 实现

tsx
// app/template.tsx
'use client';

import { motion } from 'framer-motion';

export default function Template({ children }: { children: React.ReactNode }) {
  return (
    <motion.div
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      exit={{ opacity: 0, y: 20 }}
      transition={{ duration: 0.3 }}
    >
      {children}
    </motion.div>
  );
}
tsx
// app/template.tsx
'use client';

import { motion } from 'framer-motion';

export default function Template({ children }: { children: React.ReactNode }) {
  return (
    <motion.div
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      exit={{ opacity: 0, y: 20 }}
      transition={{ duration: 0.3 }}
    >
      {children}
    </motion.div>
  );
}

Shared Layout Animations

共享布局动画

tsx
import { motion, LayoutGroup } from 'framer-motion';

export function Tabs({ tabs, activeTab, onTabChange }: TabsProps) {
  return (
    <LayoutGroup>
      <div className="flex gap-2">
        {tabs.map((tab) => (
          <button
            key={tab.id}
            onClick={() => onTabChange(tab.id)}
            className="relative px-4 py-2"
          >
            {activeTab === tab.id && (
              <motion.div
                layoutId="activeTab"
                className="absolute inset-0 bg-blue-500 rounded-lg"
                transition={{ type: 'spring', stiffness: 500, damping: 30 }}
              />
            )}
            <span className="relative z-10">{tab.label}</span>
          </button>
        ))}
      </div>
    </LayoutGroup>
  );
}
tsx
import { motion, LayoutGroup } from 'framer-motion';

export function Tabs({ tabs, activeTab, onTabChange }: TabsProps) {
  return (
    <LayoutGroup>
      <div className="flex gap-2">
        {tabs.map((tab) => (
          <button
            key={tab.id}
            onClick={() => onTabChange(tab.id)}
            className="relative px-4 py-2"
          >
            {activeTab === tab.id && (
              <motion.div
                layoutId="activeTab"
                className="absolute inset-0 bg-blue-500 rounded-lg"
                transition={{ type: 'spring', stiffness: 500, damping: 30 }}
              />
            )}
            <span className="relative z-10">{tab.label}</span>
          </button>
        ))}
      </div>
    </LayoutGroup>
  );
}

Gesture Animations

手势动画

Drag

拖拽动画

tsx
export function DraggableCard() {
  return (
    <motion.div
      drag
      dragConstraints={{ left: -100, right: 100, top: -100, bottom: 100 }}
      dragElastic={0.2}
      dragTransition={{ bounceStiffness: 600, bounceDamping: 20 }}
      whileDrag={{ scale: 1.1, cursor: 'grabbing' }}
      className="w-32 h-32 bg-blue-500 rounded-lg cursor-grab"
    />
  );
}
tsx
export function DraggableCard() {
  return (
    <motion.div
      drag
      dragConstraints={{ left: -100, right: 100, top: -100, bottom: 100 }}
      dragElastic={0.2}
      dragTransition={{ bounceStiffness: 600, bounceDamping: 20 }}
      whileDrag={{ scale: 1.1, cursor: 'grabbing' }}
      className="w-32 h-32 bg-blue-500 rounded-lg cursor-grab"
    />
  );
}

Swipe to Dismiss

滑动删除

tsx
export function SwipeToDelete({ onDelete, children }: SwipeProps) {
  return (
    <motion.div
      drag="x"
      dragConstraints={{ left: 0, right: 0 }}
      onDragEnd={(_, info) => {
        if (info.offset.x < -100) {
          onDelete();
        }
      }}
      className="relative"
    >
      {children}
      <motion.div
        className="absolute right-0 inset-y-0 bg-red-500 flex items-center px-4"
        style={{ opacity: 0 }}
        animate={{ opacity: 1 }}
      >
        Delete
      </motion.div>
    </motion.div>
  );
}
tsx
export function SwipeToDelete({ onDelete, children }: SwipeProps) {
  return (
    <motion.div
      drag="x"
      dragConstraints={{ left: 0, right: 0 }}
      onDragEnd={(_, info) => {
        if (info.offset.x < -100) {
          onDelete();
        }
      }}
      className="relative"
    >
      {children}
      <motion.div
        className="absolute right-0 inset-y-0 bg-red-500 flex items-center px-4"
        style={{ opacity: 0 }}
        animate={{ opacity: 1 }}
      >
        Delete
      </motion.div>
    </motion.div>
  );
}

Scroll Animations

滚动动画

Scroll-Triggered

滚动触发动画

tsx
import { motion, useInView } from 'framer-motion';
import { useRef } from 'react';

export function FadeInWhenVisible({ children }: { children: React.ReactNode }) {
  const ref = useRef(null);
  const isInView = useInView(ref, { once: true, margin: '-100px' });

  return (
    <motion.div
      ref={ref}
      initial={{ opacity: 0, y: 50 }}
      animate={isInView ? { opacity: 1, y: 0 } : { opacity: 0, y: 50 }}
      transition={{ duration: 0.6, ease: 'easeOut' }}
    >
      {children}
    </motion.div>
  );
}
tsx
import { motion, useInView } from 'framer-motion';
import { useRef } from 'react';

export function FadeInWhenVisible({ children }: { children: React.ReactNode }) {
  const ref = useRef(null);
  const isInView = useInView(ref, { once: true, margin: '-100px' });

  return (
    <motion.div
      ref={ref}
      initial={{ opacity: 0, y: 50 }}
      animate={isInView ? { opacity: 1, y: 0 } : { opacity: 0, y: 50 }}
      transition={{ duration: 0.6, ease: 'easeOut' }}
    >
      {children}
    </motion.div>
  );
}

Scroll Progress

滚动进度动画

tsx
import { motion, useScroll, useTransform } from 'framer-motion';

export function ParallaxHero() {
  const { scrollY } = useScroll();
  const y = useTransform(scrollY, [0, 500], [0, 150]);
  const opacity = useTransform(scrollY, [0, 300], [1, 0]);

  return (
    <motion.div
      style={{ y, opacity }}
      className="h-screen flex items-center justify-center"
    >
      <h1 className="text-6xl font-bold">Parallax Hero</h1>
    </motion.div>
  );
}

export function ScrollProgress() {
  const { scrollYProgress } = useScroll();

  return (
    <motion.div
      style={{ scaleX: scrollYProgress }}
      className="fixed top-0 left-0 right-0 h-1 bg-blue-500 origin-left z-50"
    />
  );
}
tsx
import { motion, useScroll, useTransform } from 'framer-motion';

export function ParallaxHero() {
  const { scrollY } = useScroll();
  const y = useTransform(scrollY, [0, 500], [0, 150]);
  const opacity = useTransform(scrollY, [0, 300], [1, 0]);

  return (
    <motion.div
      style={{ y, opacity }}
      className="h-screen flex items-center justify-center"
    >
      <h1 className="text-6xl font-bold">Parallax Hero</h1>
    </motion.div>
  );
}

export function ScrollProgress() {
  const { scrollYProgress } = useScroll();

  return (
    <motion.div
      style={{ scaleX: scrollYProgress }}
      className="fixed top-0 left-0 right-0 h-1 bg-blue-500 origin-left z-50"
    />
  );
}

Animation Hooks

动画钩子

useAnimate (Imperative)

useAnimate（命令式）

tsx
import { useAnimate } from 'framer-motion';

export function SubmitButton() {
  const [scope, animate] = useAnimate();

  const handleClick = async () => {
    // Sequence of animations
    await animate(scope.current, { scale: 0.95 }, { duration: 0.1 });
    await animate(scope.current, { scale: 1 }, { type: 'spring' });

    // Success animation
    await animate(
      scope.current,
      { backgroundColor: '#22c55e' },
      { duration: 0.2 }
    );
  };

  return (
    <motion.button ref={scope} onClick={handleClick} className="px-4 py-2">
      Submit
    </motion.button>
  );
}
tsx
import { useAnimate } from 'framer-motion';

export function SubmitButton() {
  const [scope, animate] = useAnimate();

  const handleClick = async () => {
    // 动画序列
    await animate(scope.current, { scale: 0.95 }, { duration: 0.1 });
    await animate(scope.current, { scale: 1 }, { type: 'spring' });

    // 成功状态动画
    await animate(
      scope.current,
      { backgroundColor: '#22c55e' },
      { duration: 0.2 }
    );
  };

  return (
    <motion.button ref={scope} onClick={handleClick} className="px-4 py-2">
      Submit
    </motion.button>
  );
}

useMotionValue & useTransform

useMotionValue & useTransform

tsx
import { motion, useMotionValue, useTransform } from 'framer-motion';

export function RotatingCard() {
  const x = useMotionValue(0);
  const rotateY = useTransform(x, [-200, 200], [-45, 45]);
  const opacity = useTransform(x, [-200, 0, 200], [0.5, 1, 0.5]);

  return (
    <motion.div
      drag="x"
      dragConstraints={{ left: -200, right: 200 }}
      style={{ x, rotateY, opacity }}
      className="w-64 h-96 bg-gradient-to-br from-purple-500 to-pink-500 rounded-xl"
    />
  );
}
tsx
import { motion, useMotionValue, useTransform } from 'framer-motion';

export function RotatingCard() {
  const x = useMotionValue(0);
  const rotateY = useTransform(x, [-200, 200], [-45, 45]);
  const opacity = useTransform(x, [-200, 0, 200], [0.5, 1, 0.5]);

  return (
    <motion.div
      drag="x"
      dragConstraints={{ left: -200, right: 200 }}
      style={{ x, rotateY, opacity }}
      className="w-64 h-96 bg-gradient-to-br from-purple-500 to-pink-500 rounded-xl"
    />
  );
}

Reusable Animation Components

可复用动画组件

AnimatedContainer

AnimatedContainer

tsx
// components/AnimatedContainer.tsx
import { motion, Variants } from 'framer-motion';

const animations: Record<string, Variants> = {
  fadeIn: {
    hidden: { opacity: 0 },
    visible: { opacity: 1 },
  },
  fadeInUp: {
    hidden: { opacity: 0, y: 20 },
    visible: { opacity: 1, y: 0 },
  },
  fadeInDown: {
    hidden: { opacity: 0, y: -20 },
    visible: { opacity: 1, y: 0 },
  },
  scaleIn: {
    hidden: { opacity: 0, scale: 0.8 },
    visible: { opacity: 1, scale: 1 },
  },
  slideInLeft: {
    hidden: { opacity: 0, x: -50 },
    visible: { opacity: 1, x: 0 },
  },
  slideInRight: {
    hidden: { opacity: 0, x: 50 },
    visible: { opacity: 1, x: 0 },
  },
};

interface AnimatedContainerProps {
  children: React.ReactNode;
  animation?: keyof typeof animations;
  delay?: number;
  duration?: number;
  className?: string;
}

export function AnimatedContainer({
  children,
  animation = 'fadeInUp',
  delay = 0,
  duration = 0.5,
  className,
}: AnimatedContainerProps) {
  return (
    <motion.div
      variants={animations[animation]}
      initial="hidden"
      animate="visible"
      transition={{ duration, delay, ease: 'easeOut' }}
      className={className}
    >
      {children}
    </motion.div>
  );
}
tsx
// components/AnimatedContainer.tsx
import { motion, Variants } from 'framer-motion';

const animations: Record<string, Variants> = {
  fadeIn: {
    hidden: { opacity: 0 },
    visible: { opacity: 1 },
  },
  fadeInUp: {
    hidden: { opacity: 0, y: 20 },
    visible: { opacity: 1, y: 0 },
  },
  fadeInDown: {
    hidden: { opacity: 0, y: -20 },
    visible: { opacity: 1, y: 0 },
  },
  scaleIn: {
    hidden: { opacity: 0, scale: 0.8 },
    visible: { opacity: 1, scale: 1 },
  },
  slideInLeft: {
    hidden: { opacity: 0, x: -50 },
    visible: { opacity: 1, x: 0 },
  },
  slideInRight: {
    hidden: { opacity: 0, x: 50 },
    visible: { opacity: 1, x: 0 },
  },
};

interface AnimatedContainerProps {
  children: React.ReactNode;
  animation?: keyof typeof animations;
  delay?: number;
  duration?: number;
  className?: string;
}

export function AnimatedContainer({
  children,
  animation = 'fadeInUp',
  delay = 0,
  duration = 0.5,
  className,
}: AnimatedContainerProps) {
  return (
    <motion.div
      variants={animations[animation]}
      initial="hidden"
      animate="visible"
      transition={{ duration, delay, ease: 'easeOut' }}
      className={className}
    >
      {children}
    </motion.div>
  );
}

AnimatedList

AnimatedList

tsx
// components/AnimatedList.tsx
import { motion } from 'framer-motion';

const containerVariants = {
  hidden: { opacity: 0 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.05,
    },
  },
};

const itemVariants = {
  hidden: { opacity: 0, x: -20 },
  visible: { opacity: 1, x: 0 },
};

interface AnimatedListProps<T> {
  items: T[];
  renderItem: (item: T, index: number) => React.ReactNode;
  keyExtractor: (item: T, index: number) => string;
  className?: string;
}

export function AnimatedList<T>({
  items,
  renderItem,
  keyExtractor,
  className,
}: AnimatedListProps<T>) {
  return (
    <motion.ul
      variants={containerVariants}
      initial="hidden"
      animate="visible"
      className={className}
    >
      {items.map((item, index) => (
        <motion.li key={keyExtractor(item, index)} variants={itemVariants}>
          {renderItem(item, index)}
        </motion.li>
      ))}
    </motion.ul>
  );
}
tsx
// components/AnimatedList.tsx
import { motion } from 'framer-motion';

const containerVariants = {
  hidden: { opacity: 0 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.05,
    },
  },
};

const itemVariants = {
  hidden: { opacity: 0, x: -20 },
  visible: { opacity: 1, x: 0 },
};

interface AnimatedListProps<T> {
  items: T[];
  renderItem: (item: T, index: number) => React.ReactNode;
  keyExtractor: (item: T, index: number) => string;
  className?: string;
}

export function AnimatedList<T>({
  items,
  renderItem,
  keyExtractor,
  className,
}: AnimatedListProps<T>) {
  return (
    <motion.ul
      variants={containerVariants}
      initial="hidden"
      animate="visible"
      className={className}
    >
      {items.map((item, index) => (
        <motion.li key={keyExtractor(item, index)} variants={itemVariants}>
          {renderItem(item, index)}
        </motion.li>
      ))}
    </motion.ul>
  );
}

Transition Presets

过渡预设

tsx
// lib/transitions.ts
export const transitions = {
  spring: {
    type: 'spring',
    stiffness: 300,
    damping: 24,
  },
  springBouncy: {
    type: 'spring',
    stiffness: 500,
    damping: 15,
  },
  springStiff: {
    type: 'spring',
    stiffness: 700,
    damping: 30,
  },
  smooth: {
    type: 'tween',
    duration: 0.3,
    ease: 'easeInOut',
  },
  snappy: {
    type: 'tween',
    duration: 0.15,
    ease: [0.25, 0.1, 0.25, 1],
  },
} as const;

// Usage
<motion.div transition={transitions.spring} />
tsx
// lib/transitions.ts
export const transitions = {
  spring: {
    type: 'spring',
    stiffness: 300,
    damping: 24,
  },
  springBouncy: {
    type: 'spring',
    stiffness: 500,
    damping: 15,
  },
  springStiff: {
    type: 'spring',
    stiffness: 700,
    damping: 30,
  },
  smooth: {
    type: 'tween',
    duration: 0.3,
    ease: 'easeInOut',
  },
  snappy: {
    type: 'tween',
    duration: 0.15,
    ease: [0.25, 0.1, 0.25, 1],
  },
} as const;

// 使用示例
<motion.div transition={transitions.spring} />

Reduced Motion Support

精简动画支持

tsx
import { useReducedMotion } from 'framer-motion';

export function AccessibleAnimation({ children }: { children: React.ReactNode }) {
  const shouldReduceMotion = useReducedMotion();

  return (
    <motion.div
      initial={{ opacity: 0, y: shouldReduceMotion ? 0 : 20 }}
      animate={{ opacity: 1, y: 0 }}
      transition={{ duration: shouldReduceMotion ? 0 : 0.5 }}
    >
      {children}
    </motion.div>
  );
}
tsx
import { useReducedMotion } from 'framer-motion';

export function AccessibleAnimation({ children }: { children: React.ReactNode }) {
  const shouldReduceMotion = useReducedMotion();

  return (
    <motion.div
      initial={{ opacity: 0, y: shouldReduceMotion ? 0 : 20 }}
      animate={{ opacity: 1, y: 0 }}
      transition={{ duration: shouldReduceMotion ? 0 : 0.5 }}
    >
      {children}
    </motion.div>
  );
}

Best Practices

最佳实践

  1. Use GPU-accelerated properties: 
    opacity
    , 
    transform
    (not 
    width
    , 
    height
    )
  2. Add 
    layout
    for smooth resizing    : Automatic layout animations
  3. Use 
    AnimatePresence
    : For exit animations
  4. Prefer springs: More natural than tween for UI
  5. Respect reduced motion: Use 
    useReducedMotion
    hook
  6. Avoid animating layout thrashing: Don't animate 
    top
    , 
    left
    , 
    width
  7. Use 
    layoutId
    : For shared element transitions
  8. Stagger children: For list animations
  1. 使用GPU加速属性：
    opacity
    、
    transform
    （避免
    width
    、
    height
    ）
  2. 添加
    layout
    实现流畅尺寸变化    ：自动布局动画
  3. 使用
    AnimatePresence
    ：实现退场动画
  4. 优先使用弹簧动画：比补间动画更符合UI自然交互
  5. 尊重精简动画设置：使用
    useReducedMotion
    钩子
  6. 避免触发布局抖动的动画：不要动画
    top
    、
    left
    、
    width
  7. 使用
    layoutId
    ：实现共享元素过渡
  8. 子元素交错动画：适用于列表动画

Output Checklist

输出检查清单

Every animation implementation should include:
  • Appropriate animation type (simple, variants, gestures)
  • Smooth transitions with proper easing
  • Exit animations with AnimatePresence
  • Reduced motion support
  • GPU-accelerated properties only
  • Spring physics for natural feel
  • Staggered children for lists
  • Performance tested on low-end devices
每个动画实现都应包含：
  • 合适的动画类型（简单、变体、手势）
  • 带有恰当缓动效果的流畅过渡
  • 使用AnimatePresence实现退场动画
  • 支持精简动画设置
  • 仅使用GPU加速属性
  • 弹簧物理效果带来自然体验
  • 列表使用子元素交错动画
  • 在低端设备上测试性能