fix #39050

src/vs/base/node/id.ts

@@ -3,8 +3,6 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import * as getmac from 'getmac';
-import * as crypto from 'crypto';
 import { TPromise } from 'vs/base/common/winjs.base';
 import * as errors from 'vs/base/common/errors';
 import * as uuid from 'vs/base/common/uuid';
@@ -86,17 +84,22 @@ export function getMachineId(): TPromise<string> {
 
 function getMacMachineId(): TPromise<string> {
 	return new TPromise<string>(resolve => {
-		try {
-			getmac.getMac((error, macAddress) => {
-				if (!error) {
-					resolve(crypto.createHash('sha256').update(macAddress, 'utf8').digest('hex'));
-				} else {
-					resolve(undefined);
-				}
-			});
-		} catch (err) {
+		TPromise.join([import('crypto'), import('getmac')]).then(([crypto, getmac]) => {
+			try {
+				getmac.getMac((error, macAddress) => {
+					if (!error) {
+						resolve(crypto.createHash('sha256').update(macAddress, 'utf8').digest('hex'));
+					} else {
+						resolve(undefined);
+					}
+				});
+			} catch (err) {
+				errors.onUnexpectedError(err);
+				resolve(undefined);
+			}
+		}, err => {
 			errors.onUnexpectedError(err);
 			resolve(undefined);
-		}
+		});
 	});
 }