fix:setting custom base url [ECO-2924]

Signed-off-by: Amitkanswal <amit.kanswal@contentstack.com>

Author: Amitkanswal

contentstack-sdk/index.js

@@ -3,11 +3,15 @@ import * as Utils from '@contentstack/utils';
 
 import ContentstackLivePreview from '@contentstack/live-preview-utils';
 import getConfig from 'next/config';
+import{customHostUrl, isValidCustomHostUrl} from "./utils"
 
 const { publicRuntimeConfig } = getConfig();
 const envConfig = process.env.CONTENTSTACK_API_KEY
   ? process.env
   : publicRuntimeConfig;
+  
+const customHostBseUrl = customHostUrl(envConfig.CONTENTSTACK_API_HOST)
+
 
 const Stack = contentstack.Stack({
   api_key: envConfig.CONTENTSTACK_API_KEY
@@ -24,8 +28,9 @@ const Stack = contentstack.Stack({
   },
 });
 
-if (envConfig.CONTENTSTACK_API_HOST) {
-  Stack.setHost(envConfig.CONTENTSTACK_API_HOST);
+// set host url only for custom host or non prod base url's
+if (isValidCustomHostUrl(customHostBseUrl)) {
+  Stack.setHost(customHostBseUrl);
 }
 
 ContentstackLivePreview.init({

contentstack-sdk/utils.ts

@@ -0,0 +1,17 @@
+import { Region } from "contentstack";
+export const customHostUrl = (baseUrl: string):string => {
+  return baseUrl.replace("api", "cdn");
+};
+
+export const generateUrlBasedOnRegion = (): string[] => {
+  return Object.keys(Region).map((region) => {
+    if (region === "US") {
+      return `cdn.contentstack.io`;
+    }
+    return `${region}-cdn.contentstack.com`;
+  });
+};
+
+export const isValidCustomHostUrl = (url: string): boolean => {
+  return url? !generateUrlBasedOnRegion().includes(url):false;
+};