local-nosql-db

import { Database } from 'local-nosql-db'; import * as path from 'path'; import * as fs from 'fs'; const dbPath = path.join(__dirname, 'local-db-data'); // Ensure the database directory exists, or create it if (!fs.existsSync(dbPath)) { fs.mkdirSync(dbPath, { recursive: true }); } async function runDbOperations() { const db = new Database(dbPath); await db.init(); // Initialize the database const usersCollection = db.collection('users'); // 1. Insert a document console.log('Inserting a new user...'); const newUser = await usersCollection.insert({ name: 'Alice Smith', email: 'alice@example.com', age: 30 }); console.log('Inserted user:', newUser); // 2. Find documents console.log('\nFinding all users...'); const allUsers = await usersCollection.find({}); console.log('All users:', allUsers); console.log('\nFinding user by email...'); const foundUser = await usersCollection.findOne({ email: 'alice@example.com' }); console.log('Found user:', foundUser); // 3. Update a document if (foundUser && foundUser._id) { console.log('\nUpdating user age...'); const updatedUser = await usersCollection.update( { _id: foundUser._id }, { $set: { age: 31, status: 'active' } } ); console.log('Updated user:', updatedUser); } // 4. Delete a document if (newUser && newUser._id) { console.log('\nDeleting the new user...'); const deleteResult = await usersCollection.delete({ _id: newUser._id }); console.log('Delete result:', deleteResult); } console.log('\nFinal check of users after deletion:'); const remainingUsers = await usersCollection.find({}); console.log('Remaining users:', remainingUsers); // Clean up the created data directory (optional) // fs.rmSync(dbPath, { recursive: true, force: true }); // console.log('\nDatabase directory cleaned up.'); } runDbOperations().catch(console.error);