update

Author: zhiyuanliang-ms

src/load.ts

@@ -83,47 +83,16 @@ export async function load(
  * @param endpoint  The URL to the CDN.
  * @param options  Optional parameters.
  */
-export async function loadCdn(endpoint: URL | string, options?: AzureAppConfigurationOptions): Promise<AzureAppConfiguration>;
+export async function loadFromCdn(endpoint: URL | string, options?: AzureAppConfigurationOptions): Promise<AzureAppConfiguration>;
 
-export async function loadCdn(
+export async function loadFromCdn(
     endpoint: string | URL,
     appConfigOptions?: AzureAppConfigurationOptions
 ): Promise<AzureAppConfiguration> {
-    const startTimestamp = Date.now();
-    if (typeof endpoint === "string") {
-        try {
-            endpoint = new URL(endpoint);
-        } catch (error) {
-            if (error.code === "ERR_INVALID_URL") {
-                throw new Error("Invalid endpoint URL.", { cause: error });
-            } else {
-                throw error;
-            }
-        }
-    }
     const emptyTokenCredential: TokenCredential = {
         getToken: async () => ({ token: "", expiresOnTimestamp: 0 })
     };
-    const options = appConfigOptions;
-    const clientOptions = getClientOptions(options);
-    // App Configuration SDK will not distinguish between CDN and App Configuration endpoints. The SDK will just send request to the endpoint with the given token credential.
-    // CDN should be the front door of App Configuration and forward the request to the App Configuration service.
-    const client = new AppConfigurationClient(endpoint.toString(), emptyTokenCredential, clientOptions);
-
-    try {
-        const appConfiguration = new AzureAppConfigurationImpl(client, options);
-        await appConfiguration.load();
-        return appConfiguration;
-    } catch (error) {
-        // load() method is called in the application's startup code path.
-        // Unhandled exceptions cause application crash which can result in crash loops as orchestrators attempt to restart the application.
-        // Knowing the intended usage of the provider in startup code path, we mitigate back-to-back crash loops from overloading the server with requests by waiting a minimum time to propagate fatal errors.
-        const delay = MIN_DELAY_FOR_UNHANDLED_ERROR - (Date.now() - startTimestamp);
-        if (delay > 0) {
-            await new Promise((resolve) => setTimeout(resolve, delay));
-        }
-        throw error;
-    }
+    return await load(endpoint, emptyTokenCredential, appConfigOptions);
 }
 
 function instanceOfTokenCredential(obj: unknown) {