Add theme provider and errorBoundary

1 files changed, 44 insertions, 0 deletions

diff --git a/src/ThemeContext.tsx b/src/ThemeContext.tsx
new file mode 100644
index 0000000..203b70a
--- /dev/null
+++ b/src/ThemeContext.tsx
@@ -0,0 +1,44 @@
+import { createContext, useContext, useEffect, useState, ReactNode } from 'react';
+
+type Theme = 'light' | 'dark';
+
+interface ThemeContextProps {
+  theme: Theme;
+  toggleTheme: () => void;
+}
+
+const ThemeContext = createContext<ThemeContextProps | undefined>(undefined);
+
+export const ThemeProvider = ({ children }: { children: ReactNode }) => {
+  const [theme, setTheme] = useState<Theme>(() => {
+    const savedTheme = localStorage.getItem('theme');
+    if (savedTheme) {
+      return savedTheme as Theme;
+    }
+    const prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+    return prefersDark ? 'dark' : 'light';
+  });
+
+  useEffect(() => {
+    document.documentElement.setAttribute('data-theme', theme);
+    localStorage.setItem('theme', theme);
+  }, [theme]);
+
+  const toggleTheme = () => {
+    setTheme((prevTheme) => (prevTheme === 'light' ? 'dark' : 'light'));
+  };
+
+  return (
+    <ThemeContext.Provider value={{ theme, toggleTheme }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+};
+
+export const useTheme = () => {
+  const context = useContext(ThemeContext);
+  if (!context) {
+    throw new Error('useTheme must be used within a ThemeProvider');
+  }
+  return context;
+};
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