Add error handling

In the near future these will be handled by a toast.

client/index.js

@@ -53,6 +53,12 @@ app$({ history, location: appLocation })
       .doOnNext(title => document.title = title)
       .subscribe(() => {});
 
+    appStore$
+      .pluck('err')
+      .filter(err => !!err)
+      .distinctUntilChanged()
+      .subscribe(err => console.error(err));
+
     synchroniseHistory(
       history,
       updateLocation,

common/app/routes/Hikes/flux/Actions.js

@@ -80,9 +80,9 @@ export default Actions({
           }
         };
       })
-      .catch(err => {
-        console.error(err);
-      });
+      .catch(err => Observable.just({
+        transform(state) { return { ...state, err }; }
+      }));
   },
 
   toggleQuestions() {
@@ -243,13 +243,8 @@ export default Actions({
       })
       .delay(300)
       .startWith(correctAnswer)
-      .catch(err => {
-        console.error(err);
-        return Observable.just({
-          set: {
-            error: err
-          }
-        });
-      });
+      .catch(err => Observable.just({
+        transform(state) { return { ...state, err }; }
+      }));
   }
 });

common/app/routes/Jobs/flux/Actions.js

@@ -1,5 +1,7 @@
 import { Actions } from 'thundercats';
 import store from 'store';
+import { Observable } from 'rx';
+
 import { nameSpacedTransformer } from '../../../../utils';
 
 const assign = Object.assign;
@@ -50,7 +52,7 @@ export default Actions({
           };
         }
       }))
-      .catch(err => ({
+      .catch(err => Observable.just({
         transform(state) {
           return { ...state, err };
         }
@@ -63,7 +65,7 @@ export default Actions({
           return { ...state, currentJob: job };
         })
       }))
-      .catch(err => ({
+      .catch(err => Observable.just({
         transform(state) {
           return { ...state, err };
         }
@@ -76,9 +78,9 @@ export default Actions({
           return { ...state, jobs };
         })
       }))
-      .catch(err => ({
+      .catch(err => Observable.just({
         transform(state) {
-          return { state, err };
+          return { ...state, err };
         }
       }));
   },
@@ -161,7 +163,7 @@ export default Actions({
           }))
         };
       })
-      .catch(err => ({
+      .catch(err => Observable.just({
         transform(state) {
           return { ...state, err };
         }