initial commit

app/signup/page.tsx

@@ -0,0 +1,75 @@
+'use client';
+
+import { useState, useTransition } from 'react';
+import { useRouter } from 'next/navigation';
+import Link from 'next/link';
+import { createSupabaseBrowserClient } from '@/lib/supabase/browser';
+
+export default function SignupPage() {
+  const router = useRouter();
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState<string | null>(null);
+  const [info, setInfo] = useState<string | null>(null);
+  const [isPending, startTransition] = useTransition();
+
+  function onSubmit(e: React.FormEvent) {
+    e.preventDefault();
+    setError(null);
+    setInfo(null);
+    const supabase = createSupabaseBrowserClient();
+    startTransition(async () => {
+      const { data, error } = await supabase.auth.signUp({
+        email,
+        password,
+      });
+      if (error) {
+        setError(error.message);
+        return;
+      }
+      if (data.session) {
+        router.push('/dashboard');
+        router.refresh();
+      } else {
+        setInfo('Check your email to confirm, then sign in.');
+      }
+    });
+  }
+
+  return (
+    <div className="card">
+      <h1>Sign up</h1>
+      <form onSubmit={onSubmit}>
+        <label htmlFor="email">Email</label>
+        <input
+          id="email"
+          type="email"
+          autoComplete="email"
+          required
+          value={email}
+          onChange={(e) => setEmail(e.target.value)}
+        />
+        <label htmlFor="password">Password</label>
+        <input
+          id="password"
+          type="password"
+          autoComplete="new-password"
+          required
+          minLength={8}
+          value={password}
+          onChange={(e) => setPassword(e.target.value)}
+        />
+        {error && <p className="error">{error}</p>}
+        {info && <p className="success">{info}</p>}
+        <div className="row" style={{ marginTop: '1rem' }}>
+          <button type="submit" disabled={isPending}>
+            {isPending ? 'Creating…' : 'Create account'}
+          </button>
+          <Link className="muted" href="/login">
+            Already have one?
+          </Link>
+        </div>
+      </form>
+    </div>
+  );
+}