From cba49d479edee356091458b00e43b786c271ae9d Mon Sep 17 00:00:00 2001
From: DigitalBrainJS <robotshara@gmail.com>
Date: Tue, 26 Apr 2022 19:05:38 +0300
Subject: [PATCH 1/3] Fixed posting FormData in browser environment by
 reverting #3785;

---
 lib/adapters/xhr.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/adapters/xhr.js b/lib/adapters/xhr.js
index 5da074dde9..67c28bd2c9 100644
--- a/lib/adapters/xhr.js
+++ b/lib/adapters/xhr.js
@@ -27,6 +27,10 @@ module.exports = function xhrAdapter(config) {
       }
     }
 
+    if (utils.isFormData(requestData)) {
+      delete requestHeaders['Content-Type']; // Let the browser set it
+    }
+
     var request = new XMLHttpRequest();
 
     // HTTP basic authentication

From db9bfbdf7e1b42ef61f1bdef15b8e9b32274188c Mon Sep 17 00:00:00 2001
From: DigitalBrainJS <robotshara@gmail.com>
Date: Tue, 26 Apr 2022 19:18:49 +0300
Subject: [PATCH 2/3] Added ability to keep `Content-Type` header in
 non-standard browser environments;

---
 lib/adapters/xhr.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/adapters/xhr.js b/lib/adapters/xhr.js
index 67c28bd2c9..d1a7b804b5 100644
--- a/lib/adapters/xhr.js
+++ b/lib/adapters/xhr.js
@@ -27,7 +27,7 @@ module.exports = function xhrAdapter(config) {
       }
     }
 
-    if (utils.isFormData(requestData)) {
+    if (utils.isFormData(requestData) && utils.isStandardBrowserEnv()) {
       delete requestHeaders['Content-Type']; // Let the browser set it
     }
 

From 6ee101b4b5074cf5f0d7f4d007ec181827635f01 Mon Sep 17 00:00:00 2001
From: DigitalBrainJS <robotshara@gmail.com>
Date: Tue, 26 Apr 2022 21:41:39 +0300
Subject: [PATCH 3/3] Added browser test of FormData posting using external
 HTTP service (https://httpbin.org/post);

---
 test/specs/formdata.spec.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 test/specs/formdata.spec.js

diff --git a/test/specs/formdata.spec.js b/test/specs/formdata.spec.js
new file mode 100644
index 0000000000..5c8cca79d0
--- /dev/null
+++ b/test/specs/formdata.spec.js
@@ -0,0 +1,14 @@
+
+describe('FormData', function() {
+  it('should allow FormData posting', function () {
+    return axios.postForm('http://httpbin.org/post', {
+      a: 'foo',
+      b: 'bar'
+    }).then(({data}) => {
+      expect(data.form).toEqual({
+        a: 'foo',
+        b: 'bar'
+      });
+    });
+  });
+})