Understanding React App structure for a cleaner project build. Structure or clean architecture is a software design philosophy that separates the elements of a design into the ring levels.

React Project – Clean Structure

An important goal of the clean structure is to provide developers with a way to organize code in such a way that it encapsulates the business logic but keeps it separate from the delivery mechanism.

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Advantages of Proper Architecture

  • Testable
  • Maintainable
  • Changeable
  • Easy to Develop
  • Easy to Deploy
  • Independent
react-example-app
├── src
│ ├── App.js
│ ├── index.js
│ ├── components
│ │ ├── BlogPost.js
│ │ ├── ReviewItem.js
│ │ ├── ...
│ ├── layouts
│ ├── pages
│ │ ├── Blog
│ │ ├── Home
│ │ ├── About
│ │ ├── ...
│ ├── queries
│ │ ├── useHome.js
│ │ ├── useBlog.js
│ ├── routes
│ │ ├── routes.js
│ ├── store
│ │ ├── index.js
│ │ ├── authSlice.js
│ │ ├── ...
│ ├── widgets
│ │ ├── buttons.js
│ │ ├── typography.js
│ │ ├── ...
│ ├── utils
│ │ ├── axios.js
├── public
├── node_modules
├── package.json
└── README.md

Components

Components are to building blocks of any react project. This folder consists of a collection of UI components like BlogPost.js, Header.js, Menu.js, Loading.js, etc., that can be used across various files in the project and are dependent on the current project packages.

Layouts

These directory container layouts of the app are like AuthLayout or AppLayout. The layout helps us to inject global components into the pages and protect restricted pages as well.

Pages

As the name says, it contains pages that we use in the projects, and a page usually contains components and widgets.

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Queries

What is SWR? well, the name “SWR” is derived from stale-while-revalidate, an HTTP cache invalidation strategy popularized by HTTP RFC 5861. SWR is a strategy to first return the data from the cache (stale), then send the fetch request (revalidate), and finally, come up with the up-to-date data.

SWR Query is just one single line of code, you can simplify the logic of data fetching in your project

Example below:
const {data, error} = useSwr('/api/posts', query);

Routes

This folder is formed of all routes of the applications. It consists of protected, private, and all types of routes. So, now here we can even call our sub-route.
Understanding React App structure for a cleaner project build
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Store

The global data store will be contained in the store directory, in this case, Redux. Each feature will have a file called reducer, which will contain the Redux Toolkit slice, as well as actions. Go to this article to see how to configure the Redux toolkit

Widgets

Within the widgets folder, I would group by type – forms, tables, buttons, layout, etc. The specifics will vary by your specific app, and are not dependent on the current project packages and styles).

What is the difference between components and widgets directories? Components can’t be used, so if we copy them and use them in a new project, which depends on packages. So, Styles, and widgets can be used in different projects.

Utils

So, in the utils directory we get out any logic or service and we write for our project, for example, a wrapper for Axios could be here.

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