Instruction: Explain the strategies for implementing theme switching (e.g., light mode/dark mode) in a React application.
Context: This question tests the candidate's ability to implement a common feature in modern web applications, focusing on their approach to state management and component re-rendering.
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Firstly, the core of managing theme switching in React revolves around state management and the Context API. My strategy involves creating a ThemeContext that holds the current theme state and a function to toggle this state. This context provides a centralized way to manage and distribute the theme data across the application, ensuring that the UI remains consistent and responsive to changes.
```javascript import React, { createContext, useContext, useState } from 'react';...