Certainly, I can provide examples and references for each of the React best practices mentioned earlier:
1)Component-Based Architecture:
Example: Break your application into reusable components, such as creating separate components for a header, sidebar, and content area.
Reference: React's official documentation on Components: https://reactjs.org/docs/components-and-props.html
2)Class Components vs. Functional Components:
Example: Define a functional component using hooks:
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import React, { useState, useEffect } from 'react';
function MyComponent() {
const [count, setCount] = useState(0);
useEffect(() => {
document.title = Count: ${count}
;
}, [count]);
return (
Count: {count}
setCount(count + 1)}>Increment
);
}
Reference: React's official documentation on Hooks: https://reactjs.org/docs/hooks-intro.html
3)State Management:
Example: Using the Context API for state management:
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const MyContext = React.createContext();
function MyProvider({ children }) {
const [state, setState] = useState(initialState);
return (
{children}
);
}
Reference: React's official documentation on Context: https://reactjs.org/docs/context.html
4)Props:
Example: Defining PropTypes for a functional component:
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import PropTypes from 'prop-types';
function Greeting(props) {
return
}
Greeting.propTypes = {
name: PropTypes.string.isRequired,
};
Reference: PropTypes documentation: https://reactjs.org/docs/typechecking-with-proptypes.html
5)Component Lifecycle:
Example: Using componentDidMount and componentWillUnmount in class components:
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class MyComponent extends React.Component {
componentDidMount() {
// Initialize data or perform side effects
}
componentWillUnmount() {
// Cleanup tasks, e.g., removing event listeners
}
render() {
return
}
}
Reference: React's official documentation on Component Lifecycle: https://reactjs.org/docs/state-and-lifecycle.html
6) Component Organization:
Example: Organize components in a directory structure:
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src/
components/
Header.js
Sidebar.js
Content.js
7) Conditional Rendering:
Example: Using conditional rendering with ternary operators:
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function MyComponent({ isLoggedIn }) {
return isLoggedIn ?
Welcome, User!
:Please log in.
;}
Reference: Conditional rendering in React: https://reactjs.org/docs/conditional-rendering.html
8)Keys:
Example: Adding keys to elements in a list:
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function MyList({ items }) {
return (
-
{items.map((item, index) => (
- {item} ))}
);
}
Reference: React's documentation on Lists and Keys: https://reactjs.org/docs/lists-and-keys.html
9)Performance:
Example: Using React.memo for functional component optimization:
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import React from 'react';
const MyComponent = React.memo(function(props) {
// Component logic
});
Reference: React's documentation on React.memo: https://reactjs.org/docs/react-api.html#reactmemo
10)Error Handling:
Example: Implementing an error boundary:
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class ErrorBoundary extends React.Component {
state = { hasError: false };
componentDidCatch(error, info) {
this.setState({ hasError: true });
// Log error information
}
render() {
if (this.state.hasError) {
return
}
return this.props.children;
}
}
Reference: React's documentation on Error Boundaries: https://reactjs.org/docs/error-boundaries.html
These examples and references should help you understand and apply the React best practices mentioned earlier in your development projects.
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