Feature-based Architecture

Summary

Organizing code by feature/domain (e.g. `features/cart/`, `features/auth/`) instead of by file type (`components/`, `hooks/`, `utils/`) — keeps related code physically close together.

How to Learn This

1Refactor one feature of a type-organized project into a self-contained feature folder.
2Compare how easy it is to delete or move a whole feature in each structure.
3Notice this scales better than type-based folders as an app grows.

Atomic Design

Component Library

More topics in Frontend System Design

Folder Structure Scalable Architecture Atomic Design Component Library Reusable Components State Separation API Layer Caching Error Boundaries Micro Frontends Accessibility Performance Architecture

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