Display grpc error message on desktop. Closes #1161

Author: tanx

src/action/grpc.js

@@ -152,9 +152,13 @@ class GrpcAction {
   // Helper functions
   //
 
-  _sendIpc(event, listen, method, body) {
-    listen = method ? `${listen}_${method}` : listen;
-    return this._ipc.send(event, listen, { method, body });
+  async _sendIpc(event, listen, method, body) {
+    try {
+      listen = method ? `${listen}_${method}` : listen;
+      return await this._ipc.send(event, listen, { method, body });
+    } catch (err) {
+      throw new Error(err.details);
+    }
   }
 }
 

test/unit/action/grpc.spec.js

@@ -170,7 +170,7 @@ describe('Action GRPC Unit Tests', () => {
     it('should proxy error via ipc', async () => {
       ipcRendererStub.once
         .withArgs('some-listener_some-method')
-        .yields(null, { err: new Error('Boom!') });
+        .yields(null, { err: { details: 'Boom!' } });
       await expect(
         grpc._sendIpc(event, listen, method, body),
         'to be rejected with error satisfying',