Merge pull request #377 from microsoft/release-2.18.1

Release version 2.18.1

Author: Guy-Moses

.pipelines/build.ps1

@@ -1,4 +1,4 @@
-// powerbi-client v2.18.0
+// powerbi-client v2.18.1
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 declare module "util" {

.pipelines/cdpx_run_ps.cmd

@@ -1,6 +1,6 @@
 {
   "name": "powerbi-client",
-  "version": "2.18.0",
+  "version": "2.18.1",
   "description": "JavaScript library for embedding Power BI into your apps. Provides service which makes it easy to embed different types of components and an object model which allows easy interaction with these components such as changing pages, applying filters, and responding to data selection.",
   "main": "dist/powerbi.js",
   "types": "dist/powerbi-client.d.ts",

.pipelines/nuget_pack.ps1

@@ -3,7 +3,7 @@
 
 /** @ignore *//** */
 const config = {
-  version: '2.18.0',
+  version: '2.18.1',
   type: 'js'
 };
 

.pipelines/package.ps1

@@ -446,6 +446,9 @@ export abstract class Embed {
    * @returns {Promise<void>}
    */
   async setAccessToken(accessToken: string): Promise<void> {
+    if (!accessToken) {
+      throw new Error("Access token cannot be empty");
+    }
     let embedType = this.config.type;
     embedType = (embedType === 'create' || embedType === 'visual' || embedType === 'qna') ? 'report' : embedType;
     try {