json-file-database

import { connect } from 'json-file-database' /** * Define the shape of your data. It must include the primary key property. */ type User = { id: number, name: string, email: string } /** * Connect to the database file. If it doesn't exist, it will be created. * The `init` property provides initial data if the file is new. */ const db = connect({ file: './my-app-db.json', init: { users: [ { id: 1, name: 'Alice', email: 'alice@example.com' }, { id: 2, name: 'Bob', email: 'bob@example.com' }, ], products: [ { id: 101, name: 'Laptop', price: 1200 }, ] } }) /** * Get a typed collection instance, specifying the data type and primary key. * For v2+, the `primaryKey` option is mandatory if it's not 'id'. */ const users = db<User>({ name: 'users', primaryKey: 'id', }) // --- Perform CRUD operations --- // Find by primary key console.log('User with id 1:', users.find({ id: 1 })) // Insert a new user const newUser: User = { id: 3, name: 'Charlie', email: 'charlie@example.com' } console.log('Inserting new user:', users.insert(newUser)) // List all users console.log('All users:', Array.from(users)) // Update an existing user console.log('Updating user 1:', users.update({ id: 1, name: 'Alicia', email: 'alicia@example.com' })) // Remove a user console.log('Removing user 2:', users.remove({ id: 2 })) // Verify the changes console.log('Users after operations:', Array.from(users))