Feature Folders & UI vs Composite Components
Adopt feature folders and split components: tiny reusable UI primitives vs feature-specific composites that orchestrate state and data.
Feature Folders & UI vs Composite Components is a free React Academy lesson on CoddyKit — lesson 1 of 3. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the React Academy learning path, one of 3 lessons in the course, and your progress syncs across the web and the CoddyKit app.
Why structure matters
Goal: Structure code that scales.
- Feature folders collect related code
- UI primitives are tiny visual building blocks
- Composite components wire them together
Feature-first folders
- features/checkout/ (routes, composites, hooks, tests)
- ui/ (primitives: Button, Input, Card)
- lib/ (helpers)
- assets/ (icons, styles)
UI Primitive: Button
Create a small Button primitive: visual, reusable, no data fetching.
<div id="root"></div>Composite: QuantityCard
A composite comp wires primitives and state for a feature task.
<div id="root"></div>Feature folder in action
In a features/checkout folder, a CheckoutPanel composes primitives and composites.
<div id="root"></div>Tips & checklist
- Keep primitives tiny and reusable
- Let composites hold feature state
- Prefer feature folders over giant global buckets
Primitive vs composite check
Recap
Recap: Structure by feature, build tiny UI primitives, and assemble them in composite components that own feature state.
Frequently asked questions
Is the “Feature Folders & UI vs Composite Components” lesson free?
Yes — the full text of “Feature Folders & UI vs Composite Components” is free to read here on the web, and the React Academy course includes 3 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the React Academy course, upgrade to CoddyKit PRO.
What will I learn in “Feature Folders & UI vs Composite Components”?
Adopt feature folders and split components: tiny reusable UI primitives vs feature-specific composites that orchestrate state and data. You practise React Academy with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.
Do I need any experience to start React Academy?
No prior experience is required. React Academy on CoddyKit is structured for beginners through advanced learners; this is — lesson 1 of 3, so you can start here or from the beginning and move at your own pace.
How long does the “Feature Folders & UI vs Composite Components” lesson take?
Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.
Can I write and run code in this React Academy lesson?
Yes. Every React Academy lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.
All lessons in this course
- Feature Folders & UI vs Composite Components
- Hooks Folder Conventions & Test Co-location
- Refactoring Guidelines