From 49461d1074f6e5ab0f8661931b6894ccb8419b3d Mon Sep 17 00:00:00 2001
From: Ben Gotow <ben@foundry376.com>
Date: Wed, 6 Dec 2017 16:01:58 -0800
Subject: [PATCH] Fix migration path for old signatures

---
 app/src/flux/stores/signature-store.es6 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/flux/stores/signature-store.es6 b/app/src/flux/stores/signature-store.es6
index 36b104bb8c..020fbb0956 100644
--- a/app/src/flux/stores/signature-store.es6
+++ b/app/src/flux/stores/signature-store.es6
@@ -31,6 +31,9 @@ class SignatureStore extends MailspringStore {
       });
     }
 
+    // migrate signatures that didn't have a `data` property
+    Object.values(this.signatures).forEach(sig => (sig.data = sig.data || {}));
+
     this._autoselectSignatureId();
 
     if (!this.unsubscribers) {