Vaibhav Kumar Singh

Stack Overflow Q&A Interface

Component 25

About

A feature-rich, responsive Q&A component that emulates the Stack Overflow interface. It includes voting on questions and answers, accepting answers, bookmarking, a Markdown editor with a live preview, and user reputation badges. The component is built with shadcn/ui and is theme-adaptive.

Built with React and Tailwind. Copy the prompt and paste it into Claude Code, Cursor or Lovable: your agent adds Stack Overflow Q&A Interface to your project and fits it to your theme.

Code

How Stack Overflow Q&A Interface is used: the demo's code. The component's own source comes with a free account.

Usage.tsx

import { QAPage, QuestionType, AnswerType } from "@/components/ui/stack-overflow-q-a-interface";

// Sample data for the Q&A page
const sampleQuestion: QuestionType = {
  id: 1,
  title: "How to properly handle async/await in React useEffect?",
  content: `I'm trying to fetch data in a React component using useEffect with **async/await**, but I'm getting warnings about memory leaks and the component sometimes updates after unmounting.

Here's my current code:

\`\`\`javascript
useEffect(() => {
  const fetchData = async () => {
    try {
      const response = await fetch('/api/data');
      const data = await response.json();
      setData(data);
    } catch (error) {
      setError(error);
    }
  };
  
  fetchData();
}, []);
\`\`\`

What's the **proper way** to handle this? Should I be using a cleanup function?

## Additional Context
* This happens when the user navigates away quickly
* I've read about *AbortController* but not sure how to implement it

> **Note**: I'm using React 18 with TypeScript`,
  author: {
    name: "reactnewbie",
    reputation: 156,
    badges: { gold: 0, silver: 1, bronze: 3 },
  },
  tags: ["javascript", "reactjs", "async-await", "useeffect"],
  votes: 23,
  views: 1247,
  timestamp: "2 hours ago",
  bookmarked: false,
  userVote: null
};

const sampleAnswers: AnswerType[] = [
  {
    id: 1,
    content: `You're **absolutely right** to be concerned about memory leaks! The proper way to handle async operations in \`useEffect\` is to use a cleanup function with an **AbortController**.

## Method: AbortController (Recommended)
\`\`\`javascript
useEffect(() => {
  const controller = new AbortController();
  
  const fetchData = async () => {
    try {
      const response = await fetch('/api/data', {
        signal: controller.signal
      });
      const data = await response.json();
      setData(data);
    } catch (error) {
      if (error.name !== 'AbortError') {
        setError(error);
      }
    }
  };
  
  fetchData();
  
  return () => controller.abort();
}, []);
\`\`\`
> **Pro tip**: AbortController is the modern approach and provides better control over network requests.`,
    author: {
      name: "reactexpert",
      reputation: 15420,
      badges: { gold: 3, silver: 12, bronze: 28 },
    },
    votes: 34,
    timestamp: "1 hour ago",
    isAccepted: true,
    userVote: null
  },
  {
    id: 2,
    content: `Another **excellent approach** is to use a custom hook for data fetching. This encapsulates the logic and makes it reusable.

## Custom Hook Pattern
\`\`\`javascript
const useApi = (url) => {
  const [data, setData] = useState(null);
  
  useEffect(() => {
    let isMounted = true;
    const fetchData = async () => {
      // ... fetch logic
      if (isMounted) setData(result);
    };
    fetchData();
    return () => { isMounted = false; };
  }, [url]);
  
  return { data };
};
\`\`\`
### Why This Pattern is Great:
* **Reusable** across multiple components
* **Clean separation** of concerns`,
    author: {
      name: "hookmaster",
      reputation: 8734,
      badges: { gold: 1, silver: 8, bronze: 15 },
    },
    votes: 18,
    timestamp: "45 minutes ago",
    isAccepted: false,
    userVote: null
  }
];

// The demo component that renders the QAPage
const QAPageDemo = () => {
  return (
    <div className="bg-background pt-12 text-foreground min-h-screen">
      <QAPage initialQuestion={sampleQuestion} initialAnswers={sampleAnswers} />
    </div>
  );
};

export default QAPageDemo;

Dependencies

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