React Architecture Overview

1. Introduction

React is a popular JavaScript library for building user interfaces, especially suited for single-page applications. In this lesson, we will explore the architecture of React, outlining its components, key concepts, and best practices for structuring your applications effectively.

2. Key Concepts

• Components: The building blocks of a React application.
• JSX: A syntax extension for JavaScript that looks similar to HTML.
• State: An object that determines how that component renders and behaves.
• Props: Short for properties, these are used to pass data from parent to child components.
• Lifecycle Methods: Functions that get called at different stages of a component's life.

3. React Architecture

React follows a component-based architecture where the UI is broken down into reusable pieces. Below is a simple flowchart demonstrating the architecture:

            graph TD;
                A[User Interface] --> B[Components];
                B --> C[Props];
                B --> D[State];
                C --> E[Child Components];
                D --> F[Lifecycle Methods];
            

4. Best Practices

• Use functional components over class components when possible.
• Utilize hooks for managing state and lifecycle.
• Implement prop-types to validate props.
• Optimize performance using React.memo and useCallback.
• Maintain a clear directory structure for components and assets.

5. FAQ