How to Decide the Right Architecture
Choosing the right architecture for your React or React Native project depends on several key factors:
- Project Size and Complexity
- Team Size and Workflow
- Future Scalability
1. Project Size and Complexity
a) Small Projects: For smaller projects with simple requirements, a straightforward architecture with minimal layers is often sufficient. Using functional components with hooks and basic state management can keep the codebase clean and manageable.
b) Large Projects: Larger projects with more complex requirements may benefit from a more structured architecture. This could include state management libraries like Redux or MobX, and a clear separation of concerns between presentation and business logic.
2. Team Size and Workflow
a) Small Teams: Small teams can benefit from a simplified architecture that promotes rapid development and ease of communication. Shared understanding and fewer coordination points are key. Component-based architecture with shared utilities and services works well.
b) Large Teams: Larger teams might require a more modular and scalable architecture. Using design patterns such as Container/Presentational components, feature-based folder structures, and strict code conventions can help manage the complexity.
Incorporating automated testing and continuous integration pipelines can also facilitate smooth collaboration.
3. Future Scalability
a) Scalability Considerations: Planning for future growth is essential. An architecture that supports modularity, reusability, and maintainability will facilitate scaling. Implementing lazy loading, code splitting, and micro-frontends can help manage the increasing complexity as the project grows.
For example:
New social media app with a small team, expecting to grow over time this is how we can choose as per requirement/teamsize.
Types of Architecture:
1. FLAT STRUCTURE
Small projects, prototypes, or quick demos.111
my-small-project/
src/
App.js
index.js
ComponentA.js
ComponentB.js
package.json
README.md
2. FEATURE BASED STRUCTURE
Medium to large projects with distinct features or modules
my-feature-based-project/
src/
features/
auth/
components/
Login.js
Register.js
screens/
LoginScreen.js
RegisterScreen.js
services/
authService.js
authSlice.js
profile/
components/
ProfileDetails.js
screens/
ProfileScreen.js
services/
profileService.js
profileSlice.js
store/
rootReducer.js
store.js
App.js
index.js
package.json
README.md
3. LAYERED STRUCTURE
Projects needing clear separation of concerns.
my-layered-project/
src/
components/
Button.js
Header.js
screens/
HomeScreen.js
LoginScreen.js
services/
apiService.js
utils/
helpers.js
hooks/
useAuth.js
App.js
index.js
package.json
README.md
4. DOMAIN DRIVEN STRUCTURE
Complex applications with distinct business domains.
my-domain-driven-project/
src/
domains/
user/
components/
UserDetails.js
screens/
UserScreen.js
services/
userService.js
event/
components/
EventDetails.js
screens/
EventScreen.js
services/
eventService.js
store/
rootReducer.js
store.js
App.js
index.js
package.json
README.md
5. ATOMIC DESIGN STRUCTURE
Design systems and UI component libraries.
src/
components/
atoms/
molecules/
organisms/
templates/
pages/
6. DUCK STRUCTURE
Projects using Redux for state management.
my-redux-duck-project/
src/
store/
ducks/
auth.js
profile.js
rootReducer.js
store.js
App.js
index.js
package.json
README.md
7. MONOREPO STRUCTURE
Code for multiple projects is stored in a single repository like react native, react js etc.
my-monorepo-project/
packages/
app1/
src/
components/
Button.js
Header.js
screens/
HomeScreen.js
LoginScreen.js
store/
ducks/
auth.js
events.js
index.js
services/
apiService.js
utils/
helpers.js
App.js
__tests__/
unit/
Button.test.js
integration/
App.test.js
e2e/
tests/
app.test.js
config/
wdio.conf.js
package.json
app2/
src/
components/
Footer.js
NavBar.js
screens/
DashboardScreen.js
SettingsScreen.js
store/
ducks/
user.js
posts.js
index.js
services/
userService.js
utils/
formatters.js
App.js
__tests__/
unit/
Footer.test.js
integration/
App.test.js
e2e/
tests/
app.test.js
config/
wdio.conf.js
package.json
shared-components/
src/
Button.js
Header.js
__tests__/
unit/
Button.test.js
package.json
utils/
src/
api.js
helpers.js
__tests__/
unit/
api.test.js
package.json
.github/
workflows/
ci.yml
package.json
lerna.json
yarn.lock
jest.config.js
README.md
8. MICRO-FRONTEND STRUCTURE
Each micro-frontend is an independently deliverable frontend application.
my-react-native-app/
src/
features/
auth/
components/
screens/
services/
profile/
components/
screens/
services/
chat/
components/
screens/
services/
store/
rootReducer.js
store.js
App.js
index.js
package.json
README.md
Some examples of app where specific structures can be used
a) INSTAGRAM
instagram/
src/
features/
feed/
components/
screens/
services/
stories/
components/
screens/
services/
reels/
components/
screens/
services/
messaging/
components/
screens/
services/
profile/
components/
screens/
services/
store/
rootReducer.js
store.js
App.js
index.js
package.json
README.md
b) FLIPKART
flipkart/
packages/
product-listing/
src/
components/
screens/
services/
__tests__/
package.json
checkout/
src/
components/
screens/
services/
__tests__/
package.json
user-account/
src/
components/
screens/
services/
__tests__/
package.json
marketing/
src/
components/
screens/
services/
__tests__/
package.json
package.json
lerna.json
yarn.lock
README.md
a) SPOTIFY
spotify/
src/
domains/
user/
components/
screens/
services/
playlist/
components/
screens/
services/
music/
components/
screens/
services/
recommendations/
components/
screens/
services/
store/
rootReducer.js
store.js
App.js
index.js
package.json
README.md
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