Initialize project with Payload CMS

apps/website/lib/mail/mailer.ts

@@ -0,0 +1,62 @@
+import nodemailer from 'nodemailer';
+
+let transporterInstance: nodemailer.Transporter | null = null;
+
+function getTransporter() {
+    if (transporterInstance) return transporterInstance;
+
+    if (!process.env.MAIL_HOST) {
+        throw new Error('MAIL_HOST is not configured. Please check your environment variables.');
+    }
+
+    transporterInstance = nodemailer.createTransport({
+        host: process.env.MAIL_HOST,
+        port: Number(process.env.MAIL_PORT) || 587,
+        secure: Number(process.env.MAIL_PORT) === 465,
+        auth: {
+            user: process.env.MAIL_USERNAME,
+            pass: process.env.MAIL_PASSWORD,
+        },
+    });
+
+    return transporterInstance;
+}
+
+interface SendEmailOptions {
+    to?: string | string[];
+    replyTo?: string;
+    subject: string;
+    html: string;
+}
+
+export async function sendEmail({ to, replyTo, subject, html }: SendEmailOptions) {
+    const recipients = to || process.env.MAIL_RECIPIENTS;
+
+    if (!recipients) {
+        console.error('No email recipients configured', { subject });
+        return { success: false as const, error: 'No recipients configured' };
+    }
+
+    if (!process.env.MAIL_FROM) {
+        console.error('MAIL_FROM is not configured', { subject, recipients });
+        return { success: false as const, error: 'MAIL_FROM is not configured' };
+    }
+
+    const mailOptions = {
+        from: process.env.MAIL_FROM,
+        to: recipients,
+        replyTo,
+        subject,
+        html,
+    };
+
+    try {
+        const info = await getTransporter().sendMail(mailOptions);
+        console.log('Email sent successfully', { messageId: info.messageId, subject, recipients });
+        return { success: true, messageId: info.messageId };
+    } catch (error) {
+        const errorMsg = error instanceof Error ? error.message : String(error);
+        console.error('Error sending email', { error: errorMsg, subject, recipients });
+        return { success: false, error: errorMsg };
+    }
+}