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@chrisbirster
Created October 10, 2023 19:26
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Provides an example of CRUD operations using idb with a Users database for IndexedDB
import { openDB} from "idb";
async function setupDatabase() {
const db = await openDB('myDatabaseIDB', 1, {
upgrade(db) {
console.log('Upgrading the database...');
if (!db.objectStoreNames.contains('users')) {
console.log('Creating object store...');
db.createObjectStore('users', { keyPath: 'id' });
}
}
});
console.log('Database opened successfully.');
return db;
}
async function addUser(db) {
const tx = db.transaction('users', 'readwrite');
const users = tx.objectStore('users');
await users.add({ id: 1, name: 'Jill' });
console.log('User added successfully.');
}
async function fetchUser(db) {
const tx = db.transaction('users', 'readonly');
const users = tx.objectStore('users');
const user = await users.get(1);
console.log('Fetched user:', user);
}
async function updateUser(db) {
const tx = db.transaction('users', 'readwrite');
const users = tx.objectStore('users');
await users.put({ id: 1, name: 'Jack' });
console.log('User updated successfully.');
}
async function deleteUser(db) {
const tx = db.transaction('users', 'readwrite');
const users = tx.objectStore('users');
await users.delete(1);
console.log('User deleted successfully.');
}
(async function() {
const db = await setupDatabase();
await addUser(db);
await fetchUser(db);
await updateUser(db);
await fetchUser(db);
await deleteUser(db);
})();
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