React Theme Switch Animation Hook

Beautiful, smooth animations for theme switching in React applications. Built with TypeScript and powered by the View Transition API.

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🎥 Demo

✨ Three Animation Types Available

• 🔵 Circle: Smooth expanding circle transition
• 🌀 Blur Circle: Circle with elegant blur effect on the edges
• 📱 QR Scan: Scanning line sweeps left to right (like QR code reader)

📝 Notes

• The hook is only available in the browser environment. So if you use NextJS App router or any other framework that uses Server Components, you should use this hook in a Client Component by adding the directive use client
• Currently works only if the project is using TailwindCSS
• Ensure your project has the necessary TailwindCSS configuration for dark mode

🚀 Features

• 🎨 Multiple Animation Types: Circle, Blur Circle, and QR Scan animations
• ⚡ High Performance: Optimized for high-resolution displays with smooth 60fps animations
• 🎯 View Transition API: Leverages modern browser APIs for seamless transitions
• 📱 Responsive Design: Works perfectly across all device sizes and screen resolutions
• ♿ Accessibility First: Respects prefers-reduced-motion and provides fallback experiences
• 🔧 TypeScript Support: Full TypeScript support for enhanced development experience
• 💾 State Persistence: Uses localStorage to persist theme state across sessions
• 🎛️ Highly Customizable: Configure duration, easing, blur amount, and more
• 🪝 React Hooks: Clean, modern React Hooks API

📦 Installation

Install the package using npm or YARN:

npm install react-theme-switch-animation

or

yarn add react-theme-switch-animation

📚 Usage

Here’s how to use the useModeAnimation hook in your React component:

'use client'

import React from 'react'
import { useModeAnimation } from 'react-theme-switch-animation'

const MyComponent = () => {
  const { ref, toggleSwitchTheme, isDarkMode } = useModeAnimation()

  return (
    <button ref={ref} onClick={toggleSwitchTheme}>
      Toggle Dark Mode (Currently {isDarkMode ? 'Dark' : 'Light'} Mode)
    </button>
  )
}

export default MyComponent

📚 API

useModeAnimation accepts an optional props object with the following properties:

Animation Types

The hook supports three types of animations:

• ThemeAnimationType.CIRCLE: A clean circle expansion animation (default)
• ThemeAnimationType.BLUR_CIRCLE: A circle expansion with blur effect on the edges
• ThemeAnimationType.QR_SCAN: A scanning line that sweeps from left to right

Examples for Each Animation Type

Circle Animation (Default)

'use client'

import React from 'react'
import { ThemeAnimationType, useModeAnimation } from 'react-theme-switch-animation'

const CircleAnimation = () => {
  const { ref, toggleSwitchTheme, isDarkMode } = useModeAnimation({
    animationType: ThemeAnimationType.CIRCLE,
  })

  return (
    <button ref={ref} onClick={toggleSwitchTheme}>
      {isDarkMode ? '🌙' : '☀️'} Toggle Theme
    </button>
  )
}

Blur Circle Animation

'use client'

import React from 'react'
import { ThemeAnimationType, useModeAnimation } from 'react-theme-switch-animation'

const BlurCircleAnimation = () => {
  const { ref, toggleSwitchTheme, isDarkMode } = useModeAnimation({
    animationType: ThemeAnimationType.BLUR_CIRCLE,
    blurAmount: 4, // Optional: adjust blur intensity
    duration: 1000, // Optional: adjust animation duration
  })

  return (
    <button ref={ref} onClick={toggleSwitchTheme}>
      {isDarkMode ? '🌙' : '☀️'} Toggle Theme (Blur)
    </button>
  )
}

QR Scan Animation

'use client'

import React from 'react'
import { ThemeAnimationType, useModeAnimation } from 'react-theme-switch-animation'

const QRScanAnimation = () => {
  const { ref, toggleSwitchTheme, isDarkMode } = useModeAnimation({
    animationType: ThemeAnimationType.QR_SCAN,
    duration: 500, // Faster scan animation
  })

  return (
    <button ref={ref} onClick={toggleSwitchTheme}>
      {isDarkMode ? '🌙' : '☀️'} Toggle Theme (QR Scan)
    </button>
  )
}

Returns an object containing:

• ref: React ref for attaching to the component that will trigger the dark mode toggle.
• toggleSwitchTheme: Function to toggle dark mode.
• isDarkMode: Current state of dark mode (true for dark, false for light).

⚡ Performance & Optimization

This library is built with performance in mind:

• High-Resolution Display Support: Automatically detects and optimizes for displays ≥3000px width/height
• Adaptive Animation Duration: Reduces duration by 20% on high-res displays for smoother experience
• GPU Acceleration: Uses hardware-accelerated CSS properties (transform, clip-path, mask)
• Memory Efficient: Automatic cleanup of style elements and event listeners
• Accessibility: Respects prefers-reduced-motion for users who prefer minimal animations

🌐 Browser Support

• Modern Browsers: Chrome 111+, Firefox 103+, Safari 16.4+
• View Transition API: Falls back gracefully on unsupported browsers
• Progressive Enhancement: Basic theme switching works everywhere, animations enhance the experience

📝 Requirements

• React 16.8 or later (for Hooks support)
• TypeScript for compiling the package during installation
• TailwindCSS for styling (ensure dark mode is configured)

🤝 Contributing

Contributions are welcome! Please open an issue or submit a pull request with your suggested changes.

📜 License

MIT