From 4edc83ea4fe5c859ab6dfcc3c579a61f610132e4 Mon Sep 17 00:00:00 2001
From: Anthony Humphreys <anthony@ths.solutions>
Date: Tue, 5 Jun 2018 09:34:53 +0100
Subject: [PATCH 1/2] proposed fix for #18223

---
 Libraries/Network/XMLHttpRequest.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Libraries/Network/XMLHttpRequest.js b/Libraries/Network/XMLHttpRequest.js
index e8be40a0ac6540..c124bc6ef50c47 100644
--- a/Libraries/Network/XMLHttpRequest.js
+++ b/Libraries/Network/XMLHttpRequest.js
@@ -247,7 +247,11 @@ class XMLHttpRequest extends EventTarget(...XHR_EVENTS) {
         if (typeof this._response === 'object' && this._response) {
           this._cachedResponse = BlobManager.createFromOptions(this._response);
         } else {
-          throw new Error(`Invalid response for blob: ${this._response}`);
+          if (this._response === '') {
+            this._cachedResponse = null;
+          } else { 
+            throw new Error(`Invalid response for blob: ${this._response}`);
+          }
         }
         break;
 
@@ -595,4 +599,4 @@ class XMLHttpRequest extends EventTarget(...XHR_EVENTS) {
   }
 }
 
-module.exports = XMLHttpRequest;
+module.exports = XMLHttpRequest;
\ No newline at end of file

From 38ae46654634869d18d2b670af0fbe43ded71bb4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ramos?=
 <165856+hramos@users.noreply.github.com>
Date: Thu, 7 Jun 2018 10:03:10 -0400
Subject: [PATCH 2/2] Coding conventions

---
 Libraries/Network/XMLHttpRequest.js | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/Libraries/Network/XMLHttpRequest.js b/Libraries/Network/XMLHttpRequest.js
index c124bc6ef50c47..00f08c2fadc2c8 100644
--- a/Libraries/Network/XMLHttpRequest.js
+++ b/Libraries/Network/XMLHttpRequest.js
@@ -246,12 +246,10 @@ class XMLHttpRequest extends EventTarget(...XHR_EVENTS) {
       case 'blob':
         if (typeof this._response === 'object' && this._response) {
           this._cachedResponse = BlobManager.createFromOptions(this._response);
-        } else {
-          if (this._response === '') {
-            this._cachedResponse = null;
-          } else { 
-            throw new Error(`Invalid response for blob: ${this._response}`);
-          }
+        } else if (this._response === '') {
+          this._cachedResponse = null;
+        } else { 
+          throw new Error(`Invalid response for blob: ${this._response}`);
         }
         break;
 
@@ -599,4 +597,4 @@ class XMLHttpRequest extends EventTarget(...XHR_EVENTS) {
   }
 }
 
-module.exports = XMLHttpRequest;
\ No newline at end of file
+module.exports = XMLHttpRequest;