u

src/store/companyuser/roles.js

@@ -0,0 +1,28 @@
+export const COMPANY_USER_ROLES = ['admin', 'user'];
+
+/**
+ * Validates a company user role.
+ * @param {unknown} role
+ * @returns {'admin'|'user'}
+ * @throws {Error} 'Invalid role'
+ */
+export function assertRole(role) {
+  if (!COMPANY_USER_ROLES.includes(role)) {
+    throw new Error('Invalid role');
+  }
+  return role;
+}
+
+/**
+ * Normalizes and validates an email address.
+ * @param {unknown} email
+ * @returns {string} lower-cased, trimmed email
+ * @throws {Error} 'Invalid email'
+ */
+export function normalizeEmail(email) {
+  const value = typeof email === 'string' ? email.trim().toLowerCase() : '';
+  if (!value || !value.includes('@')) {
+    throw new Error('Invalid email');
+  }
+  return value;
+}