Add action APOLLO_MUTATION_ERROR

Author: Slava

src/QueryManager.ts

@@ -268,7 +268,16 @@ export class QueryManager {
         });
 
         return result;
+      })
+      .catch((err) => {
+        this.store.dispatch({
+          type: 'APOLLO_MUTATION_ERROR',
+          error: err,
+          mutationId,
+          resultBehaviors,
+        });
 
+        return Promise.reject(err);
       });
   }
 
@@ -685,7 +694,8 @@ export class QueryManager {
             });
 
             this.removeFetchQueryPromise(requestId);
-            reject(new ApolloError({
+
+            return Promise.reject(new ApolloError({
               networkError: error,
             }));
           });

src/actions.ts

@@ -96,6 +96,17 @@ export function isMutationResultAction(action: ApolloAction): action is Mutation
   return action.type === 'APOLLO_MUTATION_RESULT';
 }
 
+export interface MutationErrorAction {
+  type: 'APOLLO_MUTATION_ERROR';
+  error: Error;
+  mutationId: string;
+  resultBehaviors?: MutationBehavior[];
+};
+
+export function isMutationErrorAction(action: ApolloAction): action is MutationErrorAction {
+  return action.type === 'APOLLO_MUTATION_ERROR';
+}
+
 export interface StoreResetAction {
   type: 'APOLLO_STORE_RESET';
   observableQueryIds: string[];
@@ -113,4 +124,5 @@ export type ApolloAction =
   QueryStopAction |
   MutationInitAction |
   MutationResultAction |
+  MutationErrorAction |
   StoreResetAction;