feat: Adjust client options to send credentials when needed (#790) Thanks to @colefichter !

* Adjust client options to send credentials when needed

* Remove defaults

* Try to fix lint issues.

* Make credentials optional.

Fixes #788

Author: colefichter

packages/cubejs-client-core/index.d.ts

@@ -21,6 +21,7 @@ declare module '@cubejs-client/core' {
      * custom headers
      */
     headers?: Record<string, string>;
+    credentials?: 'omit' | 'same-origin' | 'include';
   };
 
   export interface ITransport {
@@ -47,6 +48,7 @@ declare module '@cubejs-client/core' {
     transport?: ITransport;
     headers?: Record<string, string>;
     pollInterval?: number;
+    credentials?: 'omit' | 'same-origin' | 'include';
   };
 
   export type LoadMethodOptions = {
@@ -646,7 +648,7 @@ declare module '@cubejs-client/core' {
 
   /**
    * Main class for accessing Cube.js API
-   * 
+   *
    * @order 2
    */
   export class CubejsApi {

packages/cubejs-client-core/src/HttpTransport.js

@@ -2,10 +2,11 @@ import fetch from 'cross-fetch';
 import 'url-search-params-polyfill';
 
 class HttpTransport {
-  constructor({ authorization, apiUrl, headers = {} }) {
+  constructor({ authorization, apiUrl, headers = {}, credentials }) {
     this.authorization = authorization;
     this.apiUrl = apiUrl;
     this.headers = headers;
+    this.credentials = credentials;
   }
 
   request(method, { baseRequestId, ...params }) {
@@ -25,7 +26,8 @@ class HttpTransport {
           Authorization: this.authorization,
           'x-request-id': baseRequestId && `${baseRequestId}-span-${spanCounter++}`,
           ...this.headers
-        }
+        },
+        credentials: this.credentials
       }
     );
 

packages/cubejs-client-core/src/index.js

@@ -25,10 +25,12 @@ class CubejsApi {
     this.apiToken = apiToken;
     this.apiUrl = options.apiUrl || API_URL;
     this.headers = options.headers || {};
+    this.credentials = options.credentials;
     this.transport = options.transport || new HttpTransport({
       authorization: typeof apiToken === 'function' ? undefined : apiToken,
       apiUrl: this.apiUrl,
-      headers: this.headers
+      headers: this.headers,
+      credentials: this.credentials
     });
     this.pollInterval = options.pollInterval || 5;
     this.parseDateMeasures = options.parseDateMeasures;