feat(ux): ✨ allow user to name passkey at register

islands/PassKeyRegister.tsx

@@ -1,6 +1,6 @@
 import { startRegistration } from '@simplewebauthn/browser'
 import { PublicKeyCredentialCreationOptionsJSON } from '@simplewebauthn/types'
-import { Button } from 'univoq'
+import { Button, Input } from 'univoq'
 import type {
 	WebAuthnRegisterFinishPayload,
 	WebAuthnRegisterStartPayload,
@@ -11,40 +11,50 @@ function isWebAuthnSupported(): boolean {
 	return 'credentials' in navigator
 }
 
-function RegisterButton({ disabled }: { disabled?: boolean }) {
+function RegisterForm({ disabled }: { disabled?: boolean }) {
 	return (
+		<form onSubmit={register} method='POST' action=''>
+			<Input label='Nom de la clé' name='name' required></Input>
 			<Button
 				label='Enregistrer une PassKey'
 				variant='primary'
-			onClick={register}
 				disabled={disabled}
 			>
 				Enregistrer une PassKey
 			</Button>
+		</form>
 	)
 }
 
 export default function PassKeyRegister() {
 	if (!isWebAuthnSupported()) {
 		return (
-			<label>
+			<div>
 				<span>Erreur: WebAuthn n'est pas supporté par votre navigateur</span>
-				<RegisterButton disabled />
-			</label>
+				<RegisterForm disabled />
+			</div>
 		)
 	}
 
 	return (
-		<label>
+		<div>
 			<span>Enregistrer une PassKey pour cet appareil</span>
-			<RegisterButton />
-		</label>
+			<RegisterForm />
+		</div>
 	)
 }
 
-async function register() {
+type RegisterFormFields = {
+	name: string
+}
+async function register(event: Event) {
+	if (!(event instanceof SubmitEvent)) return false
+	event.preventDefault()
+	const form = event.target as HTMLFormElement
+	const fields = formJSON<RegisterFormFields>(form)
+
 	try {
-		await webAuthnRegister()
+		await webAuthnRegister(fields)
 	} catch (cause) {
 		console.error(
 			new Error('passkey register failed', {
@@ -54,7 +64,7 @@ async function register() {
 	}
 }
 
-async function webAuthnRegister() {
+async function webAuthnRegister(fields: RegisterFormFields) {
 	if (localStorage.getItem('webauthn-registered')) {
 		return
 	}
@@ -62,7 +72,7 @@ async function webAuthnRegister() {
 	const registrationOptions = await requestApi<
 		WebAuthnRegisterStartPayload,
 		PublicKeyCredentialCreationOptionsJSON
-	>('webauthn/register/start', 'POST')
+	>('webauthn/register/start', 'POST', fields)
 
 	// Pass the options to the authenticator and wait for a response
 	const registration = await startRegistration(registrationOptions)
@@ -92,3 +102,8 @@ async function webAuthnRegister() {
 		console.error('Oh no, something went wrong! Response:', error)
 	}
 }
+
+function formJSON<T extends Record<string, unknown>>(form: HTMLFormElement): T {
+	const formData = new FormData(form)
+	return Object.fromEntries(formData) as unknown as T
+}