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/** @jsxImportSource https://esm.sh/react */
import React, { useState } from "https://esm.sh/react";
import { createRoot } from "https://esm.sh/react-dom/client";
import type { User } from "./zod_demo_shared";
export function App() {
const [user, setUser] = useState<User>({ username: "", email: "", age: 0 });
const [errors, setErrors] = useState<Partial<User>>({});
const [serverResponse, setServerResponse] = useState<string>("");
const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const { name, value } = e.target;
setUser(prev => ({ ...prev, [name]: name === "age" ? parseInt(value) || 0 : value }));
};
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setErrors({});
// Send data to server
const response = await fetch("/register", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(user),
});
const result = await response.text();
setServerResponse(result);
};
return (
<div>
<h1>User Registration</h1>
<form onSubmit={handleSubmit}>
<div>
<label>Username:</label>
<input type="text" name="username" value={user.username} onChange={handleChange} />
{errors.username && <span className="error">{errors.username}</span>}
</div>
<div>
<label>Email:</label>
<input type="email" name="email" value={user.email} onChange={handleChange} />
{errors.email && <span className="error">{errors.email}</span>}
</div>
<div>
<label>Age:</label>
<input type="number" name="age" value={user.age} onChange={handleChange} />
{errors.age && <span className="error">{errors.age}</span>}
</div>
<button type="submit">Register</button>
</form>
{serverResponse && <div className="server-response">{serverResponse}</div>}
<p>
<a href={"https://val.town/v/stevekrouse/zodDemoHTTP"}>View Source</a>
</p>
</div>
);
}
createRoot(document.getElementById("root")!).render(<App />);
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August 23, 2024