Form Submission with Promise Feedback

Combine form submission states with toast.promise() to give users immediate visual assurance during database mutations.

import React, { useState } from 'react';

export function ContactForm() { const [submitting, setSubmitting] = useState(false);

const handleSubmit = async (e: React.FormEvent) => { e.preventDefault(); const formData = new FormData(e.currentTarget); setSubmitting(true);

try { await toast.promise( fetch('/api/contact', { method: 'POST', body: formData }).then((r) => { if (!r.ok) throw new Error('Submission failed'); return r.json(); }), { loading: 'Sending message...', success: 'Message delivered! We will reply within 24 hours.', error: (err) => Failed: ${(err as Error).message}, description: 'Secure TLS dispatch to customer support.', } ).unwrap(); e.currentTarget.reset(); } finally { setSubmitting(false); } };

return (