Maya Patel

Flash messages provide one-time notifications across requests, perfect for confirming actions or showing errors. I use flash[:notice] for success messages and flash[:alert] for errors. Flash persists in session storage for one request, then auto-delet

The Intersection Observer API efficiently detects when elements enter/exit the viewport, enabling lazy loading, infinite scroll, and analytics without expensive scroll listeners. I create observers with thresholds defining when callbacks trigger—0.0 m

Service objects encapsulate complex business logic that doesn't belong in models or controllers. Each service performs one operation, like creating a post with side effects, processing a payment, or importing data. I create services in app/services wi

useReducer manages state with reducer patterns like Redux but locally scoped. When state updates depend on previous state or involve multiple sub-values, reducers are clearer than multiple useState calls. The reducer function takes current state and a

API versioning allows backward-incompatible changes without breaking existing clients. I version via URL path (/api/v1/posts) for simplicity and explicit version selection. Each version namespace has its own controllers and serializers. Routes use nam

Async validation checks constraints that require server communication, like username availability or email uniqueness. React Hook Form's validate option accepts async functions that return error messages or true. I debounce async validators to avoid e