get methods returns null when instance is not found

Author: cviolbarbosa

package.json

@@ -1,6 +1,6 @@
 {
   "name": "helyosjs-sdk",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "description": "Comunication with helyos postgress database using graphql interface",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/cruds/mission_queue.ts

@@ -124,7 +124,6 @@ import { H_MissionQueue  } from '../helyos.models';
             const postMessage = { id: wprocess.id, missionQueuePatch: patch };
             return this._client.mutate({ mutation: UPDATE, variables: { postMessage } })
                 .then(response => {
-                    console.log('create request', response);
                     return response;
                 })
                 .catch(e => {
@@ -135,8 +134,6 @@ import { H_MissionQueue  } from '../helyos.models';
 
 
         get(missionQueueId: string ): Promise<any> {
-            console.log("id", missionQueueId)
-
             const QUERY_FUNTCION = 'missionQueueById';
             const QUERY_STR = gql`
             query ${QUERY_FUNTCION}($missionQueueId: BigInt! ){

src/helyos.helpers.ts

@@ -5,6 +5,10 @@ const isObject = (value) => (typeof value === 'object');
 const isString = (value) => (typeof value === 'string' ||  value instanceof String)
 
 export const gqlJsonResponseHandler = (res: any, queryName: string) => {
+    if (!res.data[queryName]) {
+        return null;
+    }
+
     if (res.data[queryName].edges) {
             return res.data[queryName].edges.map((gqlElement: any) =>  gqlElement.node);
     } else {