Handle Promise rejections when importing accounts (#4142)

* Silently catch import failures since errors exist in Redux state
* Add comment about no-op catch statement

2 files changed, 4 insertions, 0 deletions

diff --git a/ui/app/components/pages/create-account/import-account/json.js b/ui/app/components/pages/create-account/import-account/json.js
index 946907a47..0a3314b2a 100644
--- a/ui/app/components/pages/create-account/import-account/json.js
+++ b/ui/app/components/pages/create-account/import-account/json.js
@@ -105,6 +105,8 @@ class JsonImportSubview extends Component {
     }
 
     this.props.importNewJsonAccount([ fileContents, password ])
+      // JS runtime requires caught rejections but failures are handled by Redux 
+      .catch()
   }
 }
 
diff --git a/ui/app/components/pages/create-account/import-account/private-key.js b/ui/app/components/pages/create-account/import-account/private-key.js
index c77612ea4..df7ac910a 100644
--- a/ui/app/components/pages/create-account/import-account/private-key.js
+++ b/ui/app/components/pages/create-account/import-account/private-key.js
@@ -91,5 +91,7 @@ PrivateKeyImportView.prototype.createNewKeychain = function () {
   const { importNewAccount, history } = this.props
 
   importNewAccount('Private Key', [ privateKey ])
+    // JS runtime requires caught rejections but failures are handled by Redux 
+    .catch()
     .then(() => history.push(DEFAULT_ROUTE))
 }