From a359f344d891e0166ed18f49c61a84d0ea4f99cd Mon Sep 17 00:00:00 2001
From: Steffen <steffen@baumgart.biz>
Date: Sun, 13 Nov 2016 08:07:51 +0100
Subject: [PATCH] UnhandledPromiseRejectionWarning caused by resolveBuffer on
 empty resource body (#886)

* Fix for UnhandledPromiseRejectionWarning in resolveBuffer

* code simplification

* reject with TypeError if body is not a Buffer
---
 src/client/ClientDataResolver.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/client/ClientDataResolver.js b/src/client/ClientDataResolver.js
index 76fa85a8d..11f7ef23e 100644
--- a/src/client/ClientDataResolver.js
+++ b/src/client/ClientDataResolver.js
@@ -244,7 +244,11 @@ class ClientDataResolver {
         if (/^https?:\/\//.test(resource)) {
           request.get(resource)
             .set('Content-Type', 'blob')
-            .end((err, res) => err ? reject(err) : resolve(res.body));
+            .end((err, res) => {
+              if (err) return reject(err);
+              if (!(res.body instanceof Buffer)) return reject(new TypeError('Body is not a Buffer'));
+              return resolve(res.body);
+            });
         } else {
           const file = path.resolve(resource);
           fs.stat(file, (err, stats) => {