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contexts/ThemeContext.tsx

39 lines

'use client';

import React, { createContext, useContext, useState, ReactNode } from 'react';

type Theme = 'light' | 'dark';

interface ThemeContextType {
  theme: Theme;
  toggleTheme: () => void;
}

const ThemeContext = createContext<ThemeContextType | undefined>(undefined);

interface ThemeProviderProps {
  children: ReactNode;
}

export function ThemeProvider({ children }: ThemeProviderProps) {
  const [theme, setTheme] = useState<Theme>('light');

  const toggleTheme = () => {
    setTheme((prevTheme) => (prevTheme === 'light' ? 'dark' : 'light'));
  };

  return (
    <ThemeContext.Provider value={{ theme, toggleTheme }}>
      {children}
    </ThemeContext.Provider>
  );
}

export function useTheme(): ThemeContextType {
  const context = useContext(ThemeContext);
  if (context === undefined) {
    throw new Error('useTheme must be used within a ThemeProvider');
  }
  return context;
}