Learn REACT-TRANSITION-GROUP with Real Code Examples
Updated Nov 26, 2025
Installation Setup
Install package: npm install react-transition-group
Import components like CSSTransition or Transition
Define CSS classes for animation states
Wrap components with CSSTransition/Transition
Use TransitionGroup for list animations
Environment Setup
Node.js environment
React app via Vite or Create React App
CSS or preprocessor setup
Browser supporting CSS transitions
Optional GSAP or JS animation libs
Config Files
animations.css - animation rules
App.js - root transitions
routes.js - animated route configs
components/ - animation-wrapped UI components
utils/ - timeout helpers
Cli Commands
npm install react-transition-group
npm install gsap (optional)
npm install react-router-dom (optional)
npm start
npm build
Internationalization
Transitions are language-agnostic
Animations adapt to RTL layouts
Text changes animate via component swaps
Works with i18n libraries
Time-based animations unaffected by locale
Accessibility
Ensure animations don’t block focus
Support reduced-motion preferences
Avoid overly fast or disruptive transitions
Maintain DOM order for screen readers
Ensure visibility during transition phases
Ui Styling
CSS classes like .fade-enter, .fade-exit
Styled-components for scoping animations
Utility classes for transition durations
JS libraries trigger style updates
Supports custom easing and transforms
State Management
Visibility state controls animations
Transition lifecycle callbacks modify state
TransitionGroup manages children state
External stores trigger transitions
SwitchTransition swaps based on state changes
Data Management
Keys required for list animations
State toggles determine enter/exit
Clean unmount ensures no memory leaks
Timeouts must match animation speed
Optional global config for durations