Merge branch 'master' into rh-ff-update-lane-2

# Conflicts:
#	packages/react-dom/src/events/DeprecatedDOMEventResponderSystem.js
#	packages/react-dom/src/events/ReactDOMEventListener.js

.mailmap

@@ -127,6 +127,8 @@ Rainer Oviir <roviir@gmail.com> <raineroviir@rainers-MacBook-Pro.local>
 Ray <ray@tomo.im>
 Richard Feldman <richard.t.feldman@gmail.com> <richard@noredink.com>
 Richard Livesey <Livesey7@hotmail.co.uk>
+Rick Hanlon <rickhanlonii@gmail.com>
+Rick Hanlon <rickhanlonii@gmail.com> <rickhanlonii@fb.com>
 Rob Arnold <robarnold@cs.cmu.edu>
 Robert Binna <rbinna@gmail.com> <speedskater@users.noreply.github.com>
 Robin Frischmann <robin@rofrischmann.de>

fixtures/art/package.json

@@ -1,10 +1,10 @@
 {
   "devDependencies": {
-    "babel-core": "^6.24.0",
-    "babel-loader": "^6.4.1",
-    "babel-plugin-transform-class-properties": "^6.24.1",
-    "babel-preset-es2015": "^6.6.0",
-    "babel-preset-react": "^6.5.0",
+    "@babel/core": "^7.10.5",
+    "@babel/plugin-proposal-class-properties": "^7.10.4",
+    "@babel/preset-env": "^7.10.4",
+    "@babel/preset-react": "^7.10.4",
+    "babel-loader": "^8.1.0",
     "react": "link:../../build/node_modules/react",
     "react-art": "link:../../build/node_modules/react-art/",
     "react-dom": "link:../../build/node_modules/react-dom",

fixtures/art/webpack.config.js

@@ -1,5 +1,4 @@
 var webpack = require('webpack');
-var path = require('path');
 
 module.exports = {
   context: __dirname,
@@ -12,10 +11,10 @@ module.exports = {
         exclude: /node_modules/,
         query: {
           presets: [
-            require.resolve('babel-preset-es2015'),
-            require.resolve('babel-preset-react'),
+            require.resolve('@babel/preset-env'),
+            require.resolve('@babel/preset-react'),
           ],
-          plugins: [require.resolve('babel-plugin-transform-class-properties')],
+          plugins: [require.resolve('@babel/plugin-proposal-class-properties')],
         },
       },
     ],

fixtures/attribute-behavior/AttributeTableSnapshot.md

@@ -3223,6 +3223,31 @@
 | `end=(null)`| (initial)| `<null>` |
 | `end=(undefined)`| (initial)| `<null>` |
 
+## `enterKeyHint` (on `<input>` inside `<div>`)
+| Test Case | Flags | Result |
+| --- | --- | --- |
+| `enterKeyHint=(string)`| (initial)| `<empty string>` |
+| `enterKeyHint=(empty string)`| (initial)| `<empty string>` |
+| `enterKeyHint=(array with string)`| (initial)| `<empty string>` |
+| `enterKeyHint=(empty array)`| (initial)| `<empty string>` |
+| `enterKeyHint=(object)`| (initial)| `<empty string>` |
+| `enterKeyHint=(numeric string)`| (initial)| `<empty string>` |
+| `enterKeyHint=(-1)`| (initial)| `<empty string>` |
+| `enterKeyHint=(0)`| (initial)| `<empty string>` |
+| `enterKeyHint=(integer)`| (initial)| `<empty string>` |
+| `enterKeyHint=(NaN)`| (initial, warning)| `<empty string>` |
+| `enterKeyHint=(float)`| (initial)| `<empty string>` |
+| `enterKeyHint=(true)`| (initial, warning)| `<empty string>` |
+| `enterKeyHint=(false)`| (initial, warning)| `<empty string>` |
+| `enterKeyHint=(string 'true')`| (initial)| `<empty string>` |
+| `enterKeyHint=(string 'false')`| (initial)| `<empty string>` |
+| `enterKeyHint=(string 'on')`| (initial)| `<empty string>` |
+| `enterKeyHint=(string 'off')`| (initial)| `<empty string>` |
+| `enterKeyHint=(symbol)`| (initial, warning)| `<empty string>` |
+| `enterKeyHint=(function)`| (initial, warning)| `<empty string>` |
+| `enterKeyHint=(null)`| (initial)| `<empty string>` |
+| `enterKeyHint=(undefined)`| (initial)| `<empty string>` |
+
 ## `exponent` (on `<feFuncA>` inside `<svg>`)
 | Test Case | Flags | Result |
 | --- | --- | --- |

fixtures/attribute-behavior/src/attributes.js

@@ -556,6 +556,11 @@ const attributes = [
     tagName: 'animate',
     read: getSVGAttribute('end'),
   },
+  {
+    name: 'enterKeyHint',
+    tagName: 'input',
+    read: getProperty('enterKeyHint'),
+  },
   {
     name: 'exponent',
     read: getSVGProperty('exponent'),

packages/react-art/src/ReactARTHostConfig.js

@@ -10,10 +10,6 @@ import Mode from 'art/modes/current';
 import invariant from 'shared/invariant';
 
 import {TYPES, EVENT_TYPES, childrenAsString} from './ReactARTInternals';
-import type {
-  ReactEventResponder,
-  ReactEventResponderInstance,
-} from 'shared/ReactTypes';
 
 const pooledTransform = new Transform();
 
@@ -429,22 +425,6 @@ export function clearContainer(container) {
   // TODO Implement this
 }
 
-export function DEPRECATED_mountResponderInstance(
-  responder: ReactEventResponder<any, any>,
-  responderInstance: ReactEventResponderInstance<any, any>,
-  props: Object,
-  state: Object,
-  instance: Object,
-) {
-  throw new Error('Not yet implemented.');
-}
-
-export function DEPRECATED_unmountResponderInstance(
-  responderInstance: ReactEventResponderInstance<any, any>,
-): void {
-  throw new Error('Not yet implemented.');
-}
-
 export function getFundamentalComponentInstance(fundamentalInstance) {
   throw new Error('Not yet implemented.');
 }

packages/react-debug-tools/src/ReactDebugHooks.js

@@ -13,8 +13,6 @@ import type {
   MutableSourceSubscribeFn,
   ReactContext,
   ReactProviderType,
-  ReactEventResponder,
-  ReactEventResponderListener,
 } from 'shared/ReactTypes';
 import type {
   Fiber,
@@ -86,16 +84,6 @@ function getPrimitiveStackCache(): Map<string, Array<any>> {
       Dispatcher.useDebugValue(null);
       Dispatcher.useCallback(() => {});
       Dispatcher.useMemo(() => null);
-      Dispatcher.useMutableSource(
-        {
-          _source: {},
-          _getVersion: () => 1,
-          _workInProgressVersionPrimary: null,
-          _workInProgressVersionSecondary: null,
-        },
-        () => null,
-        () => () => {},
-      );
     } finally {
       readHookLog = hookLog;
       hookLog = [];
@@ -270,22 +258,6 @@ function useMutableSource<Source, Snapshot>(
   return value;
 }
 
-function useResponder(
-  responder: ReactEventResponder<any, any>,
-  listenerProps: Object,
-): ReactEventResponderListener<any, any> {
-  // Don't put the actual event responder object in, just its displayName
-  const value = {
-    responder: responder.displayName || 'EventResponder',
-    props: listenerProps,
-  };
-  hookLog.push({primitive: 'Responder', stackError: new Error(), value});
-  return {
-    responder,
-    props: listenerProps,
-  };
-}
-
 function useTransition(
   config: SuspenseConfig | null | void,
 ): [(() => void) => void, boolean] {
@@ -345,7 +317,6 @@ const Dispatcher: DispatcherType = {
   useReducer,
   useRef,
   useState,
-  useResponder,
   useTransition,
   useMutableSource,
   useDeferredValue,

packages/react-debug-tools/src/__tests__/ReactHooksInspectionIntegration-test.js

@@ -848,9 +848,9 @@ describe('ReactHooksInspectionIntegration', () => {
 
   if (__EXPERIMENTAL__) {
     it('should support composite useMutableSource hook', () => {
-      const mutableSource = React.createMutableSource({}, () => 1);
+      const mutableSource = React.unstable_createMutableSource({}, () => 1);
       function Foo(props) {
-        React.useMutableSource(
+        React.unstable_useMutableSource(
           mutableSource,
           () => 'snapshot',
           () => {},

packages/react-devtools-shared/src/backend/ReactSymbols.js

@@ -58,9 +58,6 @@ export const PROFILER_SYMBOL_STRING = 'Symbol(react.profiler)';
 export const PROVIDER_NUMBER = 0xeacd;
 export const PROVIDER_SYMBOL_STRING = 'Symbol(react.provider)';
 
-export const RESPONDER_NUMBER = 0xead6;
-export const RESPONDER_SYMBOL_STRING = 'Symbol(react.responder)';
-
 export const SCOPE_NUMBER = 0xead7;
 export const SCOPE_SYMBOL_STRING = 'Symbol(react.scope)';