React comment system duplicate submission handling

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How to Implement a React Comment System with Form Validation and Loading States

You're building a comment system where users can write, edit, and delete their comments. The system needs to prevent duplicate submissions and handle loading states. What's missing in this implementation?

ReactFormsAsync programmingError handling

1function CommentForm({ onSubmit, initialValue = '', isEditing = false }) {
  const [comment, setComment] = useState(initialValue);
  const [status, setStatus] = useState('idle');
  
  const handleSubmit = async (e) => {
      e.preventDefault();
      if (status === 'submitting') return;
      
      setStatus('submitting');
      try {
          // Missing implementation
          _______________
          
          setComment('');
          setStatus('success');
      } catch (error) {
          setStatus('error');
      }
  };
20
  return (
      <form onSubmit={handleSubmit}>
          <textarea 
              value={comment}
              onChange={(e) => setComment(e.target.value)}
              disabled={status === 'submitting'}
          />
          <button 
              type="submit" 
              disabled={status === 'submitting' || !comment.trim()}
          >
              {isEditing ? 'Update' : 'Post'} Comment
          </button>
          {status === 'error' &amp;&amp; (
              <p className="error">Failed to post comment. Please try again.</p>
          )}
      </form>
  );
39}

How to Implement a React Comment System with Form Validation and Loading States

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