feat: add isCustomDomain utility method.

Author: DanielRivers

lib/main.test.ts

@@ -43,6 +43,7 @@ describe("index exports", () => {
       "exchangeAuthCode",
       "isAuthenticated",
       "refreshToken",
+      "isCustomDomain",
 
       // session manager
       "MemoryStorage",

lib/utils/index.ts

@@ -6,6 +6,7 @@ import { sanitizeUrl } from "./sanitizeUrl";
 import { generateAuthUrl } from "./generateAuthUrl";
 import { mapLoginMethodParamsForUrl } from "./mapLoginMethodParamsForUrl";
 import { exchangeAuthCode, frameworkSettings } from "./exchangeAuthCode";
+import { isCustomDomain } from "./isCustomDomain";
 
 export {
   // config
@@ -19,4 +20,5 @@ export {
   generateAuthUrl,
   mapLoginMethodParamsForUrl,
   exchangeAuthCode,
+  isCustomDomain,
 };

lib/utils/isCustomDomain.test.ts

@@ -0,0 +1,13 @@
+import { isCustomDomain } from "./isCustomDomain";
+import { describe, expect, it } from "vitest";
+
+describe.only("isCustomDomain", () => {
+  it("custom domain in use", () => {
+    const result = isCustomDomain("www.test.com");
+    expect(result).toEqual(true);
+  });
+  it("custom domain not in use", () => {
+    const result = isCustomDomain("test.kinde.com");
+    expect(result).toEqual(false);
+  });
+});

lib/utils/isCustomDomain.ts

@@ -0,0 +1,3 @@
+export const isCustomDomain = (domain: string): boolean => {
+    return !domain.match("^[a-zA-Z]*.kinde.com");
+}