Send email from SvelteKit

import { fail } from '@sveltejs/kit';
import { Emailssh } from '@emails.sh/sdk';
import { EMAILSSH_API_KEY, EMAILSSH_FROM } from '$env/static/private';
import type { Actions } from './$types';

const mail = new Emailssh({ apiKey: EMAILSSH_API_KEY });

export const actions: Actions = {
	default: async ({ request }) => {
		const form = await request.formData();
		const email = String(form.get('email') ?? '');
		const name = String(form.get('name') ?? 'there');

		if (!email.includes('@')) {
			return fail(400, { email, error: 'A valid email is required' });
		}

		const sent = await mail.send({
			from: EMAILSSH_FROM,
			to: [email],
			subject: 'Welcome to Acme',
			html: `<p>Hi ${name}, your Acme account is ready.</p>`,
			text: `Hi ${name}, your Acme account is ready.`
		});

		return { sent: true, id: sent.id };
	}
};

<script lang="ts">
	import { enhance } from '$app/forms';
	import type { ActionData } from './$types';

	let { form }: { form: ActionData } = $props();
</script>

<form method="POST" use:enhance>
	<input name="name" placeholder="Your name" />
	<input name="email" type="email" placeholder="you@example.com" required />
	<button type="submit">Sign up</button>
</form>

{#if form?.sent}
	<p>Check your inbox.</p>
{:else if form?.error}
	<p>{form.error}</p>
{/if}

import { json, error } from '@sveltejs/kit';
import { Emailssh } from '@emails.sh/sdk';
import { EMAILSSH_API_KEY, EMAILSSH_FROM } from '$env/static/private';
import type { RequestHandler } from './$types';

const mail = new Emailssh({ apiKey: EMAILSSH_API_KEY });

export const POST: RequestHandler = async ({ request }) => {
	const body = (await request.json()) as { email?: string; subject?: string; html?: string };

	if (!body.email?.includes('@')) error(400, 'A valid email is required');

	const sent = await mail.send({
		from: EMAILSSH_FROM,
		to: [body.email],
		subject: body.subject ?? 'Welcome to Acme',
		html: body.html ?? '<p>Your Acme account is ready.</p>',
		text: 'Your Acme account is ready.'
	});

	return json({ id: sent.id, status: sent.status });
};