add auth remote functions and validation schemas

src/lib/api/auth.remote.ts

@@ -0,0 +1,50 @@
+import { invalid, redirect } from '@sveltejs/kit';
+import { form, getRequestEvent, query } from '$app/server';
+import { auth } from '$lib/server/auth';
+import { signupSchema, loginSchema } from '$lib/server/schemas/auth';
+
+export const signup = form(signupSchema, async (user, issue) => {
+	try {
+		await auth.api.signUpEmail({ body: user });
+	} catch (error: any) {
+		console.error(error)
+		// Use invalid to mark fields as invalid
+		if (error?.body?.code === 'USER_ALREADY_EXISTS') {
+			invalid(issue.email('An account with this email already exists'));
+		}
+		// Generic error for the whole form
+		invalid(error?.body?.message || error?.message || 'Signup failed');
+	}
+
+	redirect(307, `/`);
+});
+
+export const login = form(loginSchema, async (user, issue) => {
+	try {
+		const { request } = getRequestEvent();
+		await auth.api.signInEmail({ body: user, headers: request.headers });
+	} catch (error: any) {
+		// Handle invalid credentials
+		if (error?.body?.code === 'INVALID_EMAIL_OR_PASSWORD') {
+			invalid('Invalid email or password');
+		}
+		// Generic error
+		invalid('Login failed');
+	}
+
+	redirect(303, '/');
+});
+
+export const logout = form(async () => {
+	const { request } = getRequestEvent();
+	await auth.api.signOut({ headers: request.headers });
+	redirect(303, '/login');
+});
+
+export const getUser = query(async () => {
+	const { locals } = getRequestEvent();
+	if (!locals.user) {
+		redirect(307, '/login');
+	}
+	return locals.user;
+});

src/lib/server/schemas/auth.ts

@@ -0,0 +1,12 @@
+import * as v from 'valibot';
+
+export const signupSchema = v.object({
+	name: v.pipe(v.string(), v.minLength(4)),
+	email: v.pipe(v.string(), v.email()),
+	password: v.pipe(v.string(), v.minLength(8))
+});
+
+export const loginSchema = v.object({
+	email: v.pipe(v.string(), v.email()),
+	password: v.pipe(v.string(), v.minLength(1, 'Must provide a password'))
+});