From c4e3619145de04f96eed745de1c6c3114b339985 Mon Sep 17 00:00:00 2001
From: Nick Reiley <bloomber111@gmail.com>
Date: Thu, 2 Apr 2020 15:48:49 +0500
Subject: [PATCH] remove null to 0 transformation

---
 packages/react-dom/src/events/SyntheticKeyboardEvent.js    | 7 +------
 .../src/events/__tests__/SyntheticKeyboardEvent-test.js    | 6 +++---
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/packages/react-dom/src/events/SyntheticKeyboardEvent.js b/packages/react-dom/src/events/SyntheticKeyboardEvent.js
index 2db2dd179303b..f083d1b861c4c 100644
--- a/packages/react-dom/src/events/SyntheticKeyboardEvent.js
+++ b/packages/react-dom/src/events/SyntheticKeyboardEvent.js
@@ -16,12 +16,7 @@ import getEventModifierState from './getEventModifierState';
  */
 const SyntheticKeyboardEvent = SyntheticUIEvent.extend({
   key: getEventKey,
-  code: function(event) {
-    if (event.type === 'keydown' || event.type === 'keyup') {
-      return event.code;
-    }
-    return 0;
-  },
+  code: null,
   location: null,
   ctrlKey: null,
   shiftKey: null,
diff --git a/packages/react-dom/src/events/__tests__/SyntheticKeyboardEvent-test.js b/packages/react-dom/src/events/__tests__/SyntheticKeyboardEvent-test.js
index 9426e58baeb9d..2b56d6b3f3c81 100644
--- a/packages/react-dom/src/events/__tests__/SyntheticKeyboardEvent-test.js
+++ b/packages/react-dom/src/events/__tests__/SyntheticKeyboardEvent-test.js
@@ -453,7 +453,7 @@ describe('SyntheticKeyboardEvent', () => {
     });
 
     describe('code', () => {
-      it('returns code on `keydown`, `keyup` and 0 on `keypress`', () => {
+      it('returns code on `keydown`, `keyup` and null on `keypress`', () => {
         let codeDown = null;
         let codeUp = null;
         let codePress = null;
@@ -487,14 +487,14 @@ describe('SyntheticKeyboardEvent', () => {
         );
         node.dispatchEvent(
           new KeyboardEvent('keypress', {
-            charCode: 81,
+            code: 'KeyQ',
             bubbles: true,
             cancelable: true,
           }),
         );
         expect(codeDown).toBe('KeyQ');
         expect(codeUp).toBe('KeyQ');
-        expect(codePress).toBe(0);
+        expect(codePress).toBe(null);
       });
     });
   });