From 38c947d7712d77070ca521b4718032fb31c0f108 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Thu, 17 Dec 2015 22:56:24 +0100
Subject: Towards payment.

---
 extension/lib/util.js | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'extension/lib/util.js')

diff --git a/extension/lib/util.js b/extension/lib/util.js
index 801d7d189..71bfce4d3 100644
--- a/extension/lib/util.js
+++ b/extension/lib/util.js
@@ -28,3 +28,7 @@ function format(s, ...args) {
     s = s.replace(/{([0-9]+)}/g, r);
     return s;
 }
+function promiseFinally(p, fn) {
+    return p.then((x) => { fn(); return x; })
+        .catch((e) => { fn(); throw e; });
+}
-- 
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