Nodemailer (Email)

import { NodemailerNotifier, createAuth } from "guardo";
 
// No smtp config → auto-creates an Ethereal test account
const auth = createAuth({
  jwt: { secret: "..." },
  notifier: new NodemailerNotifier(),
});
// Outputs a preview URL to the console after sending

const auth = createAuth({
  jwt: { secret: "..." },
  notifier: new NodemailerNotifier({
    smtp: {
      host: "smtp.gmail.com", // or sendgrid, resend, etc.
      port: 587,
      secure: false, // STARTTLS
      user: process.env.SMTP_USER!,
      pass: process.env.SMTP_PASS!,
    },
    from: "noreply@myapp.com",
    subject: "Your login code",
  }),
});

const notifier = new NodemailerNotifier({
  smtp: { host: "...", user: "...", pass: "..." },
  buildHtml: (code, expiresInSeconds) => `
    <h2>Sign in to My App</h2>
    <p>Your code: <strong>${code}</strong></p>
    <p>Valid for ${Math.round(expiresInSeconds! / 60)} minutes.</p>
  `,
  buildText: (code, expiresInSeconds) =>
    `Sign in code: ${code}\nValid for ${Math.round(expiresInSeconds! / 60)} minutes.`,
});