Merge pull request #31 from ArjunInventor/patch-1

Bug fix: header undefined before loging in

Author: Paul Korzhyk

lib/clientStub.js

@@ -333,6 +333,7 @@ var DgraphClientStub = (function () {
         this.maybeStartRefreshTimer(this.accessToken);
     };
     DgraphClientStub.prototype.setAlphaAuthToken = function (authToken) {
+        this.options.headers === undefined && (this.options.headers = {});
         this.options.headers[ALPHA_AUTH_TOKEN_HEADER] = authToken;
     };
     DgraphClientStub.prototype.setSlashApiKey = function (apiKey) {

src/clientStub.ts

@@ -372,6 +372,7 @@ export class DgraphClientStub {
     }
 
     public setAlphaAuthToken(authToken: string) {
+        this.options.headers === undefined && (this.options.headers = {});
         this.options.headers[ALPHA_AUTH_TOKEN_HEADER] = authToken;
     }