Merge pull request #515 from quicksnap/master

Document error handling of transitionMiddleware

Author: erikras

src/redux/middleware/transitionMiddleware.js

@@ -15,11 +15,21 @@ export default ({getState, dispatch}) => next => action => {
       const doTransition = () => {
         next(action);
         Promise.all(getDataDependencies(components, getState, dispatch, location, params, true))
-          .then(resolve, resolve);
+          .then(resolve)
+          .catch(error => {
+            // TODO: You may want to handle errors for fetchDataDeferred here
+            console.warn('Warning: Error in fetchDataDeferred', error);
+            return resolve();
+          });
       };
 
       Promise.all(getDataDependencies(components, getState, dispatch, location, params))
-        .then(doTransition, doTransition);
+        .then(doTransition)
+        .catch(error => {
+          // TODO: You may want to handle errors for fetchData here
+          console.warn('Warning: Error in fetchData', error);
+          return doTransition();
+        });
     });
 
     if (__SERVER__) {