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import { useState, useEffect } from 'react';
/**
* Hook to initialize and provide access to the IndexedDB database
*/
export function useIndexedDB() {
const [db, setDb] = useState<IDBDatabase | null>(null);
const [isLoading, setIsLoading] = useState(true);
const [error, setError] = useState<Error | null>(null);
useEffect(() => {
const initDB = async () => {
try {
setIsLoading(true);
const request = indexedDB.open('boltDB', 1);
request.onupgradeneeded = (event) => {
const db = (event.target as IDBOpenDBRequest).result;
// Create object stores if they don't exist
if (!db.objectStoreNames.contains('chats')) {
const chatStore = db.createObjectStore('chats', { keyPath: 'id' });
chatStore.createIndex('updatedAt', 'updatedAt', { unique: false });
}
if (!db.objectStoreNames.contains('settings')) {
db.createObjectStore('settings', { keyPath: 'key' });
}
};
request.onsuccess = (event) => {
const database = (event.target as IDBOpenDBRequest).result;
setDb(database);
setIsLoading(false);
};
request.onerror = (event) => {
setError(new Error(`Database error: ${(event.target as IDBOpenDBRequest).error?.message}`));
setIsLoading(false);
};
} catch (err) {
setError(err instanceof Error ? err : new Error('Unknown error initializing database'));
setIsLoading(false);
}
};
initDB();
return () => {
if (db) {
db.close();
}
};
}, []);
return { db, isLoading, error };
}
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