wip

packages/identity/domain/value-objects/EmailAddress.ts

@@ -0,0 +1,64 @@
+import { z } from 'zod';
+
+/**
+ * Core email validation schema
+ */
+export const emailSchema = z
+  .string()
+  .trim()
+  .toLowerCase()
+  .min(6, 'Email too short')
+  .max(254, 'Email too long')
+  .email('Invalid email format');
+
+export type EmailValidationSuccess = {
+  success: true;
+  email: string;
+  error?: undefined;
+};
+
+export type EmailValidationFailure = {
+  success: false;
+  email?: undefined;
+  error: string;
+};
+
+export type EmailValidationResult = EmailValidationSuccess | EmailValidationFailure;
+
+/**
+ * Validate and normalize an email address.
+ * Mirrors the previous apps/website/lib/email-validation.ts behavior.
+ */
+export function validateEmail(email: string): EmailValidationResult {
+  const result = emailSchema.safeParse(email);
+
+  if (result.success) {
+    return {
+      success: true,
+      email: result.data,
+    };
+  }
+
+  return {
+    success: false,
+    error: result.error.errors[0]?.message || 'Invalid email',
+  };
+}
+
+/**
+ * Basic disposable email detection.
+ * This list matches the previous website-local implementation and
+ * can be extended in the future without changing the public API.
+ */
+export const DISPOSABLE_DOMAINS = new Set<string>([
+  'tempmail.com',
+  'throwaway.email',
+  'guerrillamail.com',
+  'mailinator.com',
+  '10minutemail.com',
+]);
+
+export function isDisposableEmail(email: string): boolean {
+  const domain = email.split('@')[1]?.toLowerCase();
+  return domain ? DISPOSABLE_DOMAINS.has(domain) : false;
+}