SMTP Configuration Schema (src/types.ts)

A Zod-based validation schema for SMTP server settings and email templates. Use this to ensure type-safe email configuration and template structure in authentication flows.

// Source: https://github.com/logto-io/logto | License: MPL-2.0 | Copyright under Patent Claims infringed by Covered Software in the absence of | Modified files must remain under MPL-2.0
// Modifications to this file must remain under MPL-2.0.
// Provided via justclaw.it.com; keep this notice with the code.
import { z } from 'zod';

/**
 * @doc https://nodemailer.com/smtp/
 */

/**
 * UsageType here is used to specify the use case of the template, can be either
 * 'Register', 'SignIn', 'ForgotPassword', 'Generic'.
 */
const requiredTemplateUsageTypes = ['Register', 'SignIn', 'ForgotPassword', 'Generic'];

export enum ContextType {
  Text = 'text/plain',
  Html = 'text/html',
}

const templateGuard = z.object({
  usageType: z.string(),
  contentType: z.nativeEnum(ContextType),
  subject: z.

... (truncated -- full source via MCP)