Preview release/2.2.0 preview.1

package.json

@@ -1,6 +1,6 @@
 {
 "name": "@microsoft/microsoft-graph-client",
-"version": "2.1.0-Preview.2",
+"version": "2.2.0-Preview.1",
 "description": "Microsoft Graph Client Library",
 "license": "MIT",
 "main": "lib/src/index.js",

spec/core/GraphErrorHandler.ts

@@ -7,6 +7,7 @@
 
 import { assert } from "chai";
 
+import { GraphError } from "../../src";
 import { GraphErrorHandler } from "../../src/GraphErrorHandler";
 
 describe("GraphErrorHandler.ts", () => {
@@ -41,6 +42,7 @@ describe("GraphErrorHandler.ts", () => {
 
 it("Should construct error for error response without innerError property", () => {
 const gError = GraphErrorHandler["constructErrorFromResponse"](error, statusCode);
+assert.isTrue(gError instanceof GraphError);
 assert.equal(gError.statusCode, statusCode);
 assert.equal(gError.requestId, null);
 });
@@ -50,6 +52,7 @@ describe("GraphErrorHandler.ts", () => {
 "request-id": "some random id",
 };
 const gError = GraphErrorHandler["constructErrorFromResponse"](error, statusCode);
+assert.isTrue(gError instanceof GraphError);
 assert.equal(gError.statusCode, statusCode);
 assert.equal(gError.requestId, "some random id");
 });
@@ -62,6 +65,7 @@ describe("GraphErrorHandler.ts", () => {
 date,
 };
 const gError = GraphErrorHandler["constructErrorFromResponse"](error, statusCode);
+assert.isTrue(gError instanceof GraphError);
 assert.equal(gError.statusCode, statusCode);
 assert.equal(gError.requestId, "some random id");
 assert.equal(gError.date.toUTCString(), date.toUTCString());
@@ -81,6 +85,7 @@ describe("GraphErrorHandler.ts", () => {
 },
 };
 const gError = await GraphErrorHandler.getError(errorResponse);
+assert.isTrue(gError instanceof GraphError);
 assert.equal(gError.requestId, "some random id");
 assert.equal(gError.code, "500");
 assert.equal(gError.message, "Internal Server Error");
@@ -90,13 +95,15 @@ describe("GraphErrorHandler.ts", () => {
 const error = new Error("Some Error");
 error.name = "InvalidError";
 const gError = await GraphErrorHandler.getError(error);
+assert.isTrue(gError instanceof GraphError);
 assert.equal(gError.requestId, null);
 assert.equal(gError.message, "Some Error");
 assert.equal(gError.code, "InvalidError");
 });
 
 it("Should construct some default error", async () => {
 const gError = await GraphErrorHandler.getError();
+assert.isTrue(gError instanceof GraphError);
 assert.equal(gError.message, "");
 assert.equal(gError.statusCode, -1);
 assert.equal(gError.code, null);

src/GraphError.ts

@@ -57,6 +57,8 @@ export class GraphError extends Error {
  */
 public constructor(statusCode: number = -1, message?: string, baseError?: Error) {
 super(message || (baseError && baseError.message));
+// https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#extending-built-ins-like-error-array-and-map-may-no-longer-work
+Object.setPrototypeOf(this, GraphError.prototype);
 this.statusCode = statusCode;
 this.code = null;
 this.requestId = null;

src/Version.ts

@@ -12,4 +12,4 @@
  * @module Version
  */
 
-export const PACKAGE_VERSION = "2.1.0-Preview.2";
+export const PACKAGE_VERSION = "2.2.0-Preview.1";