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Best practices for naming React components:

Posted on September 12, 2024 by Tech Writer

1. Use PascalCase for Component Names

  • Component names should start with a capital letter and use PascalCase. This helps differentiate components from standard HTML elements.
  • Example:
    js function UserProfile() { return <div>Profile</div>; }

2. Descriptive and Meaningful Names

  • The name should reflect the purpose of the component. It should give a clear indication of what the component does or represents.
  • Example:
    js function LoginForm() { return <form>Login</form>; }

3. Use Prefixes for Reusable Components

  • When creating reusable components, use a prefix like ButtonPrimary or InputText to indicate its role and context.
  • Example:
    js function ButtonPrimary() { return <button>Primary Button</button>; }

4. Avoid Abbreviations

  • Avoid using abbreviations that might not be clear to everyone. Full words improve readability.
  • Example:
    js function NotificationCard() { return <div>Notification</div>; }

5. Keep Component Names Singular

  • Name components in the singular form unless the component logically represents a collection.
  • Example:
    js function ProductList() { return <ul>{/* List of products */}</ul>; }

6. Use Compound Words for Specialized Components

  • For components with specialized functionality, combine words to reflect their purpose.
  • Example:
    js function UserProfilePicture() { return <img src="profile.jpg" alt="Profile" />; }

7. Avoid Including “Component” in the Name

  • It’s generally unnecessary to append “Component” to your component names, as it adds redundancy.
  • Example:
    js function Header() { return <header>Header Section</header>; }

8. Higher-Order Components (HOCs)

  • When creating higher-order components, prefix the name with with or a similar word to show it enhances another component.
  • Example:
    js function withAuth(WrappedComponent) { return function EnhancedComponent(props) { return <WrappedComponent {...props} />; }; }

9. Functional or Class Component Names

  • Use a consistent naming convention based on the type of component (class or function). Even though functional components are more common, the naming should be clear.
  • Example:
    js function Navbar() { return <nav>Navbar</nav>; }

Following these best practices helps maintain clarity, consistency, and readability in your React projects.

Category: Programming, React

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