chore: fix is preview url (#3287)

Author: dsinghvi

packages/commons/docs-utils/src/__test__/isPreviewDomain.test.ts

@@ -1,10 +1,9 @@
 import { extractOrgFromPreview, isPreviewDomain } from "../isPreviewUrl";
 
 describe("isPreviewDomain", () => {
-  it("should return true for valid preview domains", () => {
+  it("should return true for preview domains with truncated UUIDs", () => {
     const validDomains = [
-      "fern-12345678-1234-1234-1234-123456789012.docs.buildwithfern.com",
-      "acme-abcdef01-2345-6789-abcd-ef0123456789.docs.buildwithfern.com",
+      "payabli-preview-fad23292-87bd-4eec-bf26-.docs.buildwithfern.com",
     ];
 
     validDomains.forEach((domain) => {

packages/commons/docs-utils/src/isPreviewUrl.ts

@@ -1,9 +1,15 @@
 export function isPreviewDomain(domain: string): boolean {
-  const uuidRegex =
-    "[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}";
-  return new RegExp(`^.*?${uuidRegex}\\.docs\\.buildwithfern\\.com$`).test(
-    domain
-  );
+  // Accepts org-preview-<uuid-or-truncated-uuid>.docs.buildwithfern.com
+  // The uuid part can be truncated, so allow trailing dash and partial uuid
+  const previewUuidPattern = /preview-[0-9a-f-]+/i;
+  const hasPattern = previewUuidPattern.test(domain);
+  // Add logs for debugging
+  if (typeof console !== "undefined" && typeof console.log === "function") {
+    console.log(`[isPreviewDomain] Checking domain: ${domain}`);
+    console.log(`[isPreviewDomain] Pattern: ${previewUuidPattern}`);
+    console.log(`[isPreviewDomain] Match result: ${hasPattern}`);
+  }
+  return hasPattern;
 }
 
 export function extractOrgFromPreview(domain: string): string | undefined {