Clean Code JavaScript – Module Patterns

Table of Contents

• One Responsibility per Module
• Export Patterns
• Folder Structure

One Responsibility per Module

// ❌ Bad
// user.js
export function createUser() {}
export function connectToDb() {}

// ✅ Good
// user.service.js
export function createUser() {}

Export Patterns

// ✅ Prefer named exports
export function parseDate() {}
export function formatDate() {}

Folder Structure

/users
  user.service.js
  user.repository.js
  user.controller.js