> For the complete documentation index, see [llms.txt](https://reactjs.koida.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://reactjs.koida.tech/react-fundamentals/lesson-6-react-project-file-and-folder-walkthrough.md).

# Lesson 6 - React Project File and Folder Walkthrough

1. Bash/PowerShell terminal , run  (Assue youe are already in your React project directory).

```bash
$ code .
```

<figure><img src="/files/CIsJ97mbxss69eRP9tY4" alt=""><figcaption></figcaption></figure>

let's explore the typical React project file and folder structure in Visual Studio Code (VS Code) and discuss the `package.json` file in the context of a Vite configuration.

**React Project Structure in VS Code**

A typical React project created using a tool like Create React App (CRA) or Vite will have a structure similar to this:

<figure><img src="/files/6IkXMMZfltJSu4wuUN2d" alt=""><figcaption></figcaption></figure>

### E**xplanation**

* **`public/`:**
  * `index.html`: The main HTML file that serves as the entry point for the browser. It typically contains the `root` element where React renders the application.
  * `favicon.ico`: The favicon image that appears in the browser tab.
* **`src/`:**
  * `App.js`: The root component of your application. It often handles the overall application logic and structure.
  * `index.js`: The entry point of your application where you render the `App` component.
  * `components/`: A folder to organize reusable components (e.g., Header, Footer, Button, etc.).
  * `styles/`: A folder to store CSS or SCSS files for styling your components.
  * `assets/`: A folder to store images, fonts, and other static assets.
* **`node_modules/`:**
  * This folder contains all the third-party dependencies (libraries and packages) that your project relies on. It is automatically generated when you install dependencies using `npm install` or `yarn add`.
* **`package.json`:**
  * This is the heart of a Node.js project. It's a JSON file that contains metadata about your project, such as the project name, version, author, and dependencies.

**`package.json` in Vite Configuration**

When using Vite, the `package.json` file plays a crucial role in project configuration. Here are some key aspects:

* **Dependencies:**
  * You list all the project dependencies (e.g., React, ReactDOM, libraries) in the `dependencies` section.
  * You can also list development dependencies (e.g., testing libraries, linters) in the `devDependencies` section.
* **Scripts:**
  * The `scripts` section defines commands that can be executed using `npm run <script-name>`. Common scripts in Vite include:
    * `dev`: Starts the development server.
    * `build`: Builds the application for production.
    * `preview`: Starts a preview server for the production build.
    * `test`: Runs unit tests.
* **Vite Configuration:**
  * Vite uses a `vite.config.js` file for its configuration. However, you can also define some Vite-specific settings directly in the `package.json` file within the `vite` field. For example, you can specify the root directory, public directory, and other options.

Example `package.json` snippet for Vite:

```json
// package.json
{
  "name": "my-react-app",
  "version": "1.0.0",
  "scripts": {
    "dev": "vite",
    "build": "vite build",
    "preview": "vite preview"
  },
  "dependencies": {
    "react": "^18.2.0",
    "react-dom": "^18.2.0"
  },
  "devDependencies": {
    "@vitejs/plugin-react": "^4.0.0"
  },
  "vite": {
    // Vite configuration options
  }
}
```

**In Summary**

The `package.json` file is essential for managing project dependencies, defining scripts, and configuring Vite. By understanding its structure and contents, you can effectively manage and customize your React projects.