Merge pull request #99 from Microsoft/error_log

Adding logging to UNKNOWN_ERROR sync status

Author: lostintangent

CodePush.js

@@ -219,6 +219,12 @@ function sync(options = {}, syncStatusChangeCallback, downloadProgressCallback)
       };
 
   return new Promise((resolve, reject) => {
+    var rejectPromise = (error) => {
+      syncStatusChangeCallback(CodePush.SyncStatus.UNKNOWN_ERROR);
+      log(error.message); 
+      reject(error);
+    };
+    
     CodePush.notifyApplicationReady()
       .then(() => {
         syncStatusChangeCallback(CodePush.SyncStatus.CHECKING_FOR_UPDATE);
@@ -235,7 +241,7 @@ function sync(options = {}, syncStatusChangeCallback, downloadProgressCallback)
                 resolve(CodePush.SyncStatus.UPDATE_INSTALLED);
               });
             })
-            .catch(reject)
+            .catch(rejectPromise)
             .done();
         }
 
@@ -292,10 +298,7 @@ function sync(options = {}, syncStatusChangeCallback, downloadProgressCallback)
           doDownloadAndInstall();
         }
       })
-      .catch((error) => {
-        syncStatusChangeCallback(CodePush.SyncStatus.UNKNOWN_ERROR);
-        reject(error);
-      })
+      .catch(rejectPromise)
       .done();
   });     
 };