From 3b6fa09b9bce02f5bf830119af3bfc69af1f3eac Mon Sep 17 00:00:00 2001
From: stockulus <stockulus@icloud.com>
Date: Fri, 9 Sep 2016 15:49:47 +0200
Subject: [PATCH] update get attachment

---
 .../src/get_attachment.js                        | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/packages/pouchdb-adapter-asyncstorage/src/get_attachment.js b/packages/pouchdb-adapter-asyncstorage/src/get_attachment.js
index 170b226..be092a5 100644
--- a/packages/pouchdb-adapter-asyncstorage/src/get_attachment.js
+++ b/packages/pouchdb-adapter-asyncstorage/src/get_attachment.js
@@ -16,14 +16,26 @@ export default function (db, docId, attachId, attachment, opts, callback) {
     if (!data || !data.data) {
       return callback(null,
         opts.binary
-          ? global.Buffer.alloc(0, null, type)
+          ? getEmptyBuffer(type)
           : '')
     }
 
     callback(null,
       opts.binary
-        ? global.Buffer.from(data.data, 'base64')
+        ? getBuffer(data.data, type)
         : data.data
     )
   })
 }
+
+const getEmptyBuffer = type => {
+  const buffer = global.Buffer.alloc(0, null, type)
+  buffer.type = type
+  return buffer
+}
+
+const getBuffer = (base64Data, type) => {
+  const buffer = global.Buffer.from(base64Data, 'base64')
+  buffer.type = type
+  return buffer
+}