Event RSVP for Next.js

01'use client';
02 
03import { useState, type FormEvent } from 'react';
04 
05export default function EventRsvpForm() {
06  const [status, setStatus] = useState<'idle' | 'sending' | 'sent' | 'error'>('idle');
07 
08  async function onSubmit(e: FormEvent<HTMLFormElement>) {
09    e.preventDefault();
10    setStatus('sending');
11 
12    const data = new FormData(e.currentTarget);
13    data.set('access_key', 'YOUR_ACCESS_KEY');
14    data.set('subject', 'New event RSVP');
15 
16    const res = await fetch('https://splitforms.com/api/submit', {
17      method: 'POST',
18      body: data,
19      headers: { Accept: 'application/json' },
20    });
21 
22    const json = await res.json();
23    setStatus(json.success ? 'sent' : 'error');
24    if (json.success) e.currentTarget.reset();
25  }
26 
27  if (status === 'sent') return <p>Thanks — we&rsquo;ll be in touch.</p>;
28 
29  return (
30    <form onSubmit={onSubmit}>
31      <label htmlFor="name">Your name *</label>
32      <input id="name" type="text" name="name" placeholder="Jane Builder" required />
33      <label htmlFor="email">Email *</label>
34      <input id="email" type="email" name="email" placeholder="jane@example.com" required />
35      <label htmlFor="attending">Will you attend? *</label>
36      <select id="attending" name="attending" required>
37        <option value="">Choose…</option>
38        <option>Yes — count me in</option>
39        <option>Maybe</option>
40        <option>No, I can't make it</option>
41      </select>
42      <label htmlFor="guests">How many guests are you bringing?</label>
43      <input id="guests" type="number" name="guests" placeholder="0" />
44      <label htmlFor="dietary">Dietary preferences</label>
45      <input id="dietary" type="text" name="dietary" placeholder="Vegan, gluten-free, allergies…" />
46 
47      <button type="submit" disabled={status === 'sending'}>
48        {status === 'sending' ? 'Sending…' : 'Send'}
49      </button>
50 
51      {status === 'error' && <p>Something went wrong. Try again.</p>}
52    </form>
53  );
54}