From 7d1854198d9806ed2aea11bc555e4d17f54b54bd Mon Sep 17 00:00:00 2001
From: "Denis Kuzmin [ github.com/3F ]" <entry.reg@gmail.com>
Date: Tue, 8 Jan 2019 17:43:45 +0300
Subject: [PATCH 1/3] Adds CORS support (XDomainRequest) for IE7+ still through
 XMLHttpRequest Details in https://github.com/developit/unfetch/issues/106

---
 src/index.mjs | 6 ++++--
 test/index.js | 7 ++++---
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/index.mjs b/src/index.mjs
index d4beeec..2dbb32d 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -11,8 +11,10 @@ export default function(url, options) {
 
 		request.withCredentials = options.credentials=='include';
 
-		request.onload = () => {
-			resolve(response());
+		request.onreadystatechange = function() {
+			if(this.readyState === 4 && this.status === 200) {
+				resolve(response());
+			}
 		};
 
 		request.onerror = reject;
diff --git a/test/index.js b/test/index.js
index 3a9e598..92f85b3 100644
--- a/test/index.js
+++ b/test/index.js
@@ -20,6 +20,7 @@ describe('unfetch', () => {
 				getAllResponseHeaders: jest.fn().mockReturnValue('X-Foo: bar\nX-Foo:baz'),
 				open: jest.fn(),
 				send: jest.fn(),
+				readyState: 4,
 				status: 200,
 				statusText: 'OK',
 				responseText: '{"a":"b"}',
@@ -60,10 +61,10 @@ describe('unfetch', () => {
 					expect(xhr.send).toHaveBeenCalledWith(null);
 				});
 
-			expect(xhr.onload).toEqual(expect.any(Function));
+			expect(xhr.onreadystatechange).toEqual(expect.any(Function));
 			expect(xhr.onerror).toEqual(expect.any(Function));
 
-			xhr.onload();
+			xhr.onreadystatechange();
 
 			return p;
 		});
@@ -76,7 +77,7 @@ describe('unfetch', () => {
 					expect(r.headers.get('X-foo')).toEqual('baz');
 				});
 
-			xhr.onload();
+			xhr.onreadystatechange();
 
 			return p;
 		});

From 772b9cb184ed59700f388a4eda3c3bdc03def38a Mon Sep 17 00:00:00 2001
From: Denis Kuzmin <entry.reg@gmail.com>
Date: Thu, 10 Jan 2019 02:47:21 +0300
Subject: [PATCH 2/3] fix a typo with `status`

---
 src/index.mjs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.mjs b/src/index.mjs
index 2dbb32d..4b9bee8 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -12,7 +12,7 @@ export default function(url, options) {
 		request.withCredentials = options.credentials=='include';
 
 		request.onreadystatechange = function() {
-			if(this.readyState === 4 && this.status === 200) {
+			if(this.readyState === 4) {
 				resolve(response());
 			}
 		};

From 5d3929464070d8946512bf736ca951ff70eb6edc Mon Sep 17 00:00:00 2001
From: "Denis Kuzmin [ github.com/3F ]" <entry.reg@gmail.com>
Date: Sun, 13 Jan 2019 19:10:23 +0300
Subject: [PATCH 3/3] status shouldn't be equal to zero. My full explanation of
 XHR impl for `load` event, here:
 https://github.com/developit/unfetch/pull/107

---
 src/index.mjs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.mjs b/src/index.mjs
index 4b9bee8..e6f953d 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -12,7 +12,7 @@ export default function(url, options) {
 		request.withCredentials = options.credentials=='include';
 
 		request.onreadystatechange = function() {
-			if(this.readyState === 4) {
+			if(this.readyState === 4 && this.status !== 0) {
 				resolve(response());
 			}
 		};