Fix(nav): Protect against missing data

2016-08-04 15:01:37 -07:00
parent c3c640d00a
commit f0955aea5c
2 changed files with 16 additions and 7 deletions
--- a/common/app/redux/selectors.js
+++ b/common/app/redux/selectors.js
@@ -22,12 +22,17 @@ export const firstChallengeSelector = createSelector(
    ) {
      return {};
    }
-    return challengeMap[
-      blockMap[
-        superBlockMap[
-          superBlocks[0]
-        ].blocks[0]
-      ].challenges[0]
-    ];
+    try {
+      return challengeMap[
+        blockMap[
+          superBlockMap[
+            superBlocks[0]
+          ].blocks[0]
+        ].challenges[0]
+      ];
+    } catch (err) {
+      console.error(err);
+      return {};
+    }
  }
 );