jcorpac JS Modular Patterns
Organized JavaScript is the foundation of a predictable presentation layer. This skill focuses on patterns that scale without becoming "spaghetti code."
Core Patterns
- Module Pattern (ESM): Use
import/exportto keep code encapsulated and clear. - Event Delegation: Attach listeners to a parent element to manage dynamic children efficiently.
- State Management: Use a simple "Store" pattern with Pub/Sub or
CustomEventfor cross-component communication.
API Integration
- Fetch Wrapper: Create a centralized utility for API calls with built-in error handling and auth headers.
- Async/Await: Use try/catch blocks for clean asynchronous flow.
Best Practices
- No Globals: Keep everything inside modules or IIFEs.
- Naming: Functions should be verbs (
getData,updateUI). - Composition: Prefer small, single-purpose functions over large monoliths.