A seasoned developer shares a candid look at how a React project’s folder structure can spiral into chaos. After years of trial, the author realized that the flexibility of the library often turns into a maze of files, confusing teammates and stalling progress for new contributors and maintainers.

The author’s first attempt applied Clean Architecture and Domain‑Driven Design from day one, splitting code into domain, useCase, and infrastructure layers. The result was a bloated repository where adding a single feature required jumping across dozens of folders, and explanations to teammates fell flat in the project timeline.

Learning from that pain, the author proposes a three‑stage, gradual strategy. Stage 1 groups code by business feature, keeping related files together. Stage 2 introduces role‑based subfolders—components, hooks, utils—inside each feature. Stage 3 adds Clean‑Architecture‑style layers only where logic grows complex to maintain clarity and ease of testing across the team as the codebase evolves.

Why does this matter? In fast‑moving teams, a clear folder hierarchy reduces onboarding time and prevents feature‑sprawl. By layering only when necessary, developers keep the codebase lean while still enabling unit tests for business rules. Future architects can now refactor without breaking unrelated modules for long term maintenance.