Make the function callback friendly.

2 files changed, 11 insertions, 4 deletions

diff --git a/ui/app/config.js b/ui/app/config.js
index 75c3bcf13..c14fa1d28 100644
--- a/ui/app/config.js
+++ b/ui/app/config.js
@@ -113,8 +113,12 @@ ConfigScreen.prototype.render = function () {
                 alignSelf: 'center',
               },
               onClick (event) {
-                window.logStateString((result) => {
-                  exportAsFile('MetaMask State Logs', result)
+                window.logStateString((err, result) => {
+                  if (err) {
+                    state.dispatch(actions.displayWarning('Error in retrieving state logs.'))
+                  } else {
+                    exportAsFile('MetaMask State Logs', result)
+                  }
                 })
               },
             }, 'Download State Logs'),
diff --git a/ui/app/reducers.js b/ui/app/reducers.js
index 0af7ee81c..3d0a58f81 100644
--- a/ui/app/reducers.js
+++ b/ui/app/reducers.js
@@ -45,12 +45,15 @@ window.logStateString = function (cb) {
   let state = window.METAMASK_CACHED_LOG_STATE
   const version = global.platform.getVersion()
   const browser = window.navigator.userAgent
-  return global.platform.getPlatformInfo((platform) => {
+  return global.platform.getPlatformInfo((err, platform) => {
+    if (err) {
+      return cb(err)
+    }
     state.version = version
     state.platform = platform
     state.browser = browser
     let stateString = JSON.stringify(state, removeSeedWords, 2)
-    return cb(stateString)
+    return cb(null, stateString)
   })
 }