chore: publish

- react-navigation-animated-switch@0.5.11
 - react-navigation-drawer@2.4.12
 - react-navigation-material-bottom-tabs@2.2.11
 - @react-navigation/native@3.7.12
 - react-navigation@4.3.8
 - react-navigation-stack@2.3.13
 - react-navigation-tabs@2.8.12

example/App.tsx

@@ -41,7 +41,7 @@ import StackWithTranslucentHeader from './src/StackWithTranslucentHeader';
 import SwitchWithStacks from './src/SwitchWithStacks';
 import TabsInDrawer from './src/TabsInDrawer';
 import DragLimitedToModal from './src/DragLimitedToModal';
-import EventsStack from './src/EventsStack';
+import FocusEvents from './src/FocusEvents';
 import FullScreen from './src/FullScreen';
 import GestureInteraction from './src/GestureInteraction';
 import {
@@ -144,7 +144,7 @@ const ExampleInfo = {
     name: 'Drag limited to modal',
     screen: DragLimitedToModal,
   },
-  EventsStack: { name: 'Events Stack', screen: EventsStack },
+  EventsStack: { name: 'Focus Events', screen: FocusEvents },
   FullScreen: { name: 'Fullscreen Stack', screen: FullScreen },
   GestureInteraction: {
     name: 'Gesture interaction',
@@ -335,7 +335,7 @@ class MainScreen extends React.Component<any, State> {
                 }}
               >
                 {(Object.keys(ExampleInfo) as (keyof typeof ExampleInfo)[]).map(
-                  routeName => (
+                  (routeName) => (
                     <RectButton
                       key={routeName}
                       underlayColor="#ccc"

example/babel.config.js

@@ -1,4 +1,4 @@
-module.exports = function(api) {
+module.exports = function (api) {
   api.cache(true);
   return {
     presets: ['babel-preset-expo'],

example/metro.config.js

@@ -11,8 +11,8 @@ const modules = ['@expo/vector-icons']
       // List all packages under `packages/`
       .readdirSync(packages)
       // Ignore hidden files such as .DS_Store
-      .filter(p => !p.startsWith('.'))
-      .map(p => {
+      .filter((p) => !p.startsWith('.'))
+      .map((p) => {
         const pak = JSON.parse(
           fs.readFileSync(path.join(packages, p, 'package.json'), 'utf8')
         );
@@ -50,7 +50,7 @@ module.exports = {
   },
 
   server: {
-    enhanceMiddleware: middleware => {
+    enhanceMiddleware: (middleware) => {
       return (req, res, next) => {
         // When an asset is imported outside the project root, it has wrong path on Android
         // This happens for the back button in stack, so we fix the path to correct one

example/src/CustomTabs.tsx

@@ -62,7 +62,7 @@ const CustomTabBar = ({
   const { routes } = navigation.state;
   return (
     <SafeAreaView style={styles.tabContainer}>
-      {routes.map(route => (
+      {routes.map((route) => (
         <BorderlessButton
           onPress={() => navigation.navigate(route.routeName)}
           style={styles.tab}

example/src/FocusEvents.tsx

@@ -1,5 +1,6 @@
 import React from 'react';
 import { Button, ScrollView, View, Text } from 'react-native';
+import { createBottomTabNavigator } from 'react-navigation-tabs';
 import {
   createStackNavigator,
   NavigationStackProp,
@@ -22,24 +23,36 @@ class FocusTag extends React.Component<NavigationStackScreenProps> {
   state = { mode: 'didBlur' };
 
   componentDidMount() {
-    this.props.navigation.addListener('willFocus', () => {
-      this.setMode('willFocus');
+    this._willFocusSub = this.props.navigation.addListener('willFocus', () => {
+      this._handleEvent('willFocus');
     });
 
-    this.props.navigation.addListener('willBlur', () => {
-      this.setMode('willBlur');
+    this._willBlurSub = this.props.navigation.addListener('willBlur', () => {
+      this._handleEvent('willBlur');
     });
 
-    this.props.navigation.addListener('didFocus', () => {
-      this.setMode('didFocus');
+    this._didFocusSub = this.props.navigation.addListener('didFocus', () => {
+      this._handleEvent('didFocus');
     });
 
-    this.props.navigation.addListener('didBlur', () => {
-      this.setMode('didBlur');
+    this._didBlurSub = this.props.navigation.addListener('didBlur', () => {
+      this._handleEvent('didBlur');
     });
   }
 
-  setMode = (mode: string) => {
+  componentWillUnmount() {
+    this._willFocusSub?.remove();
+    this._willBlurSub?.remove();
+    this._didFocusSub?.remove();
+    this._didBlurSub?.remove();
+  }
+
+  _willFocusSub: { remove: () => void } | undefined;
+  _willBlurSub: { remove: () => void } | undefined;
+  _didFocusSub: { remove: () => void } | undefined;
+  _didBlurSub: { remove: () => void } | undefined;
+
+  _handleEvent = (mode: string) => {
     this.setState({ mode });
   };
 
@@ -119,18 +132,19 @@ class SampleScreen extends React.Component<NavigationStackScreenProps> {
   }
 }
 
-const SimpleStack = createStackNavigator(
+const Stack = createStackNavigator(
   {
-    PageOne: {
-      screen: SampleScreen,
-    },
-    PageTwo: {
-      screen: SampleScreen,
-    },
+    PageOne: SampleScreen,
+    PageTwo: SampleScreen,
   },
   {
     initialRouteName: 'PageOne',
   }
 );
 
-export default SimpleStack;
+const Tabs = createBottomTabNavigator({
+  A: Stack,
+  B: Stack,
+});
+
+export default Tabs;

example/src/GestureInteraction.tsx

@@ -44,7 +44,7 @@ const ContainerWithButtons = withNavigation(
 const MapScreen = () => (
   <ContainerWithButtons>
     <DrawerGestureContext.Consumer>
-      {ref => (
+      {(ref) => (
         <NativeViewGestureHandler waitFor={ref}>
           <MapView style={{ flex: 1 }} />
         </NativeViewGestureHandler>
@@ -60,7 +60,7 @@ MapScreen.navigationOptions = {
 const WebViewScreen = () => (
   <ContainerWithButtons>
     <DrawerGestureContext.Consumer>
-      {ref => (
+      {(ref) => (
         <NativeViewGestureHandler waitFor={ref}>
           <WebView
             style={{ flex: 1 }}

example/src/LifecycleInteraction.tsx

@@ -33,7 +33,7 @@ const BarCodeScreenBase = (
       <BarCodeScanner
         onBarCodeScanned={
           props.isFocused
-            ? data => {
+            ? (data) => {
                 console.log('scanned...');
                 props.navigation.navigate('Info', { data });
               }
@@ -51,7 +51,7 @@ BarCodeScreenBase.navigationOptions = {
 
 const BarCodeScreen = withNavigationFocus(BarCodeScreenBase);
 
-const InfoScreen: NavigationStackScreenComponent = props => {
+const InfoScreen: NavigationStackScreenComponent = (props) => {
   return (
     <View style={{ flex: 1 }}>
       <Text>{JSON.stringify(props.navigation.getParam('data'))}</Text>

example/src/ModalStack.tsx

@@ -82,7 +82,7 @@ class ListScreen extends React.Component<
   state = { isInverted: false };
 
   onSwitch = () =>
-    this.setState(prevState => ({ isInverted: !prevState.isInverted }));
+    this.setState((prevState) => ({ isInverted: !prevState.isInverted }));
 
   render() {
     return (

example/src/ParallaxDrawer.tsx

@@ -158,7 +158,7 @@ const DrawerContents = ({
     <Animated.View style={{ transform: [{ translateX }] }}>
       <ScrollView>
         <SafeAreaView forceInset={{ top: 'always' }}>
-          {navigation.state.routes.map(route => (
+          {navigation.state.routes.map((route) => (
             <DrawerItem
               key={route.key}
               navigation={descriptors[route.key].navigation}

example/src/RTLDrawer.tsx

@@ -32,7 +32,7 @@ class RightDrawer extends Component<DrawerContentComponentProps> {
         <ScrollView
           style={{ height: '100%', width: '100%', backgroundColor: '#333333' }}
         >
-          {this.state.categories.map(key => {
+          {this.state.categories.map((key) => {
             return (
               <TouchableOpacity
                 key={key.n}

example/src/Shared/PhotoGrid.tsx

@@ -59,7 +59,7 @@ export default function PhotoGrid({ id }: { id: string }) {
 
   return (
     <NavigationAwareScrollView contentContainerStyle={styles.content}>
-      {PHOTOS.map(uri => (
+      {PHOTOS.map((uri) => (
         <View key={uri} style={styles.item}>
           <Image source={{ uri }} style={styles.photo} />
         </View>

example/src/StackAnimationConsumerStack.tsx

@@ -25,7 +25,7 @@ const ListScreen = (props: NavigationStackScreenProps) => (
 
 const AnotherScreen = () => (
   <CardAnimationContext.Consumer>
-    {value => {
+    {(value) => {
       const scale = value
         ? value.current.progress.interpolate({
             inputRange: [0, 1],
@@ -67,7 +67,7 @@ const YetAnotherScreen = () => (
     }}
   >
     <CardAnimationContext.Consumer>
-      {value => (
+      {(value) => (
         <Animated.Text
           style={{
             fontSize: 24,
@@ -84,7 +84,7 @@ const YetAnotherScreen = () => (
       )}
     </CardAnimationContext.Consumer>
     <CardAnimationContext.Consumer>
-      {value => (
+      {(value) => (
         <Animated.Text
           style={{
             fontSize: 24,

example/src/StackWithDrawer.tsx

@@ -59,7 +59,7 @@ const Drawer = createDrawerNavigator(
     },
   },
   {
-    contentComponent: props => <Menu {...props} />,
+    contentComponent: (props) => <Menu {...props} />,
     navigationOptions: { title: 'Example' },
   }
 );

example/src/TransparentStack.tsx

@@ -5,7 +5,7 @@ import {
   NavigationStackScreenComponent,
 } from 'react-navigation-stack';
 
-const ListScreen: NavigationStackScreenComponent = function(props) {
+const ListScreen: NavigationStackScreenComponent = function (props) {
   return (
     <View
       style={{
@@ -29,7 +29,7 @@ const ListScreen: NavigationStackScreenComponent = function(props) {
   );
 };
 
-const ModalDialogScreen: NavigationStackScreenComponent = function(props) {
+const ModalDialogScreen: NavigationStackScreenComponent = function (props) {
   return (
     <View
       style={{

package.json

@@ -18,7 +18,7 @@
   "author": "Adam Miskiewicz <adam@sk3vy.com>, Eric Vicenti <ericvicenti@gmail.com>, Brent Vatne <brent@expo.io>, Satyajit Sahoo <satyajit.happy@gmail.com>",
   "scripts": {
     "lint": "eslint --ext '.js,.ts,.tsx' .",
-    "typescript": "tsc --noEmit",
+    "typescript": "tsc --noEmit --composite false",
     "test": "jest",
     "prerelease": "yarn lerna run clean",
     "release": "yarn lerna publish",
@@ -33,6 +33,7 @@
     "@babel/runtime": "^7.8.7",
     "@commitlint/config-conventional": "^8.3.4",
     "@types/jest": "^25.1.4",
+    "babel-jest": "^25.2.3",
     "commitlint": "^8.3.5",
     "core-js": "^3.6.4",
     "eslint": "^6.8.0",
@@ -40,8 +41,8 @@
     "husky": "^4.2.1",
     "jest": "^25.1.0",
     "lerna": "^3.20.2",
-    "prettier": "^1.19.1",
-    "typescript": "~3.7.5"
+    "prettier": "^2.0.1",
+    "typescript": "~3.8.3"
   },
   "resolutions": {
     "react": "~16.9.0",

packages/animated-switch/CHANGELOG.md

@@ -3,6 +3,70 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.5.11](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.10...react-navigation-animated-switch@0.5.11) (2020-04-22)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.10](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.9...react-navigation-animated-switch@0.5.10) (2020-04-02)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.9](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.8...react-navigation-animated-switch@0.5.9) (2020-03-31)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.8](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.6...react-navigation-animated-switch@0.5.8) (2020-03-28)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.7](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.6...react-navigation-animated-switch@0.5.7) (2020-03-27)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.6](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.5...react-navigation-animated-switch@0.5.6) (2020-03-22)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.5](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.4...react-navigation-animated-switch@0.5.5) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
+## [0.5.4](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.3...react-navigation-animated-switch@0.5.4) (2020-03-16)
+
+**Note:** Version bump only for package react-navigation-animated-switch
+
+
+
+
+
 ## [0.5.3](https://github.com/react-navigation/react-navigation/compare/react-navigation-animated-switch@0.5.2...react-navigation-animated-switch@0.5.3) (2020-03-16)
 
 **Note:** Version bump only for package react-navigation-animated-switch

packages/animated-switch/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-animated-switch",
-  "version": "0.5.3",
+  "version": "0.5.11",
   "description": "Animated switch for React Navigation",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -28,8 +28,8 @@
     "react": "~16.9.0",
     "react-native": "~0.61.5",
     "react-native-reanimated": "~1.7.0",
-    "react-navigation": "^4.3.0",
-    "typescript": "~3.7.5"
+    "react-navigation": "^4.3.8",
+    "typescript": "~3.8.3"
   },
   "peerDependencies": {
     "react": "*",

packages/core/CHANGELOG.md

@@ -3,6 +3,62 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [3.7.5](https://github.com/react-navigation/react-navigation-core/compare/@react-navigation/core@3.7.4...@react-navigation/core@3.7.5) (2020-04-02)
+
+
+### Bug Fixes
+
+* emit refocus for child navigators ([66a4dbc](https://github.com/react-navigation/react-navigation-core/commit/66a4dbccd8e7b3cda51a1d9c7e9397dfc58d6b9e))
+
+
+
+
+
+## [3.7.4](https://github.com/react-navigation/react-navigation-core/compare/@react-navigation/core@3.7.3...@react-navigation/core@3.7.4) (2020-03-31)
+
+
+### Bug Fixes
+
+* remove isTransitioning from SwitchRouter state ([3bec1c9](https://github.com/react-navigation/react-navigation-core/commit/3bec1c964a49136c0ead8e8ba8a8c66c556bbcba))
+
+
+
+
+
+## [3.7.3](https://github.com/react-navigation/react-navigation-core/compare/@react-navigation/core@3.7.1...@react-navigation/core@3.7.3) (2020-03-28)
+
+
+### Bug Fixes
+
+* always emit didFocus/didBlur for root navigator ([ac98c0a](https://github.com/react-navigation/react-navigation-core/commit/ac98c0a668fe21200d0c6f62ae3043f92cc5aa7e))
+* don't handle prune if there's only one route ([d2433f0](https://github.com/react-navigation/react-navigation-core/commit/d2433f0ab8f9791df8169de4ddfdeed9bc699e3e))
+* emit didFocus and didBlur events based on parent's transition ([14a6538](https://github.com/react-navigation/react-navigation-core/commit/14a6538cc8e12c50d5d10722d75c9395a0a281ec))
+* rework focus and blur events to make them more reliable ([cd08338](https://github.com/react-navigation/react-navigation-core/commit/cd083381866506a192f1ec842ac169f2b4277ca5)), closes [#4867](https://github.com/react-navigation/react-navigation-core/issues/4867) [#6187](https://github.com/react-navigation/react-navigation-core/issues/6187) [#6451](https://github.com/react-navigation/react-navigation-core/issues/6451) [#7628](https://github.com/react-navigation/react-navigation-core/issues/7628) [#7749](https://github.com/react-navigation/react-navigation-core/issues/7749)
+
+
+
+
+
+## [3.7.2](https://github.com/react-navigation/react-navigation-core/compare/@react-navigation/core@3.7.1...@react-navigation/core@3.7.2) (2020-03-27)
+
+
+### Bug Fixes
+
+* don't handle prune if there's only one route ([d2433f0](https://github.com/react-navigation/react-navigation-core/commit/d2433f0ab8f9791df8169de4ddfdeed9bc699e3e))
+* rework focus and blur events to make them more reliable ([cd08338](https://github.com/react-navigation/react-navigation-core/commit/cd083381866506a192f1ec842ac169f2b4277ca5)), closes [#4867](https://github.com/react-navigation/react-navigation-core/issues/4867) [#6187](https://github.com/react-navigation/react-navigation-core/issues/6187) [#6451](https://github.com/react-navigation/react-navigation-core/issues/6451) [#7628](https://github.com/react-navigation/react-navigation-core/issues/7628) [#7749](https://github.com/react-navigation/react-navigation-core/issues/7749)
+
+
+
+
+
+## [3.7.1](https://github.com/react-navigation/react-navigation-core/compare/@react-navigation/core@3.7.0...@react-navigation/core@3.7.1) (2020-03-22)
+
+**Note:** Version bump only for package @react-navigation/core
+
+
+
+
+
 # [3.7.0](https://github.com/react-navigation/react-navigation-core/compare/@react-navigation/core@3.6.1...@react-navigation/core@3.7.0) (2020-03-16)
 
 

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-navigation/core",
-  "version": "3.7.0",
+  "version": "3.7.5",
   "description": "Core utilities for the react-navigation framework",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -15,7 +15,8 @@
   },
   "sideEffects": false,
   "publishConfig": {
-    "access": "public"
+    "access": "public",
+    "tag": "4.x"
   },
   "keywords": [
     "react-navigation",

packages/core/src/StateUtils.js

@@ -13,7 +13,7 @@ const StateUtils = {
    * Gets a route by key. If the route isn't found, returns `null`.
    */
   get(state, key) {
-    return state.routes.find(route => route.key === key) || null;
+    return state.routes.find((route) => route.key === key) || null;
   },
 
   /**
@@ -21,7 +21,7 @@ const StateUtils = {
    * routes of the navigation state, or -1 if it is not present.
    */
   indexOf(state, key) {
-    return state.routes.findIndex(route => route.key === key);
+    return state.routes.findIndex((route) => route.key === key);
   },
 
   /**
@@ -29,7 +29,7 @@ const StateUtils = {
    * routes of the navigation state.
    */
   has(state, key) {
-    return !!state.routes.some(route => route.key === key);
+    return !!state.routes.some((route) => route.key === key);
   },
 
   /**

packages/core/src/__fixtures__/createNavigationContainer.js

@@ -0,0 +1,148 @@
+/* eslint-disable react/sort-comp */
+
+import React from 'react';
+import { NavigationActions, getNavigation, NavigationProvider } from '../index';
+
+export default function createNavigationContainer(Component) {
+  class NavigationContainer extends React.Component {
+    static router = Component.router;
+    static navigationOptions = null;
+
+    constructor(props) {
+      super(props);
+
+      this._initialAction = NavigationActions.init();
+
+      this.state = {
+        nav: !props.loadNavigationState
+          ? Component.router.getStateForAction(this._initialAction)
+          : null,
+      };
+    }
+
+    _actionEventSubscribers = new Set();
+
+    _onNavigationStateChange(prevNav, nav, action) {
+      if (typeof this.props.onNavigationStateChange === 'function') {
+        this.props.onNavigationStateChange(prevNav, nav, action);
+      }
+    }
+
+    componentDidUpdate() {
+      // Clear cached _navState every tick
+      if (this._navState === this.state.nav) {
+        this._navState = null;
+      }
+    }
+
+    async componentDidMount() {
+      // Initialize state. This must be done *after* any async code
+      // so we don't end up with a different value for this.state.nav
+      // due to changes while async function was resolving
+      let action = this._initialAction;
+      // eslint-disable-next-line react/no-access-state-in-setstate
+      let startupState = this.state.nav;
+      if (!startupState) {
+        startupState = Component.router.getStateForAction(action);
+      }
+
+      const dispatchActions = () =>
+        this._actionEventSubscribers.forEach((subscriber) =>
+          subscriber({
+            type: 'action',
+            action,
+            state: this.state.nav,
+            lastState: null,
+          })
+        );
+
+      if (startupState === this.state.nav) {
+        dispatchActions();
+        return;
+      }
+
+      // eslint-disable-next-line react/no-did-mount-set-state
+      this.setState({ nav: startupState }, () => {
+        dispatchActions();
+      });
+    }
+
+    dispatch = (action) => {
+      if (this.props.navigation) {
+        return this.props.navigation.dispatch(action);
+      }
+
+      // navState will have the most up-to-date value, because setState sometimes behaves asyncronously
+      this._navState = this._navState || this.state.nav;
+      const lastNavState = this._navState;
+
+      const reducedState = Component.router.getStateForAction(
+        action,
+        lastNavState
+      );
+      const navState = reducedState === null ? lastNavState : reducedState;
+
+      const dispatchActionEvents = () => {
+        this._actionEventSubscribers.forEach((subscriber) =>
+          subscriber({
+            type: 'action',
+            action,
+            state: navState,
+            lastState: lastNavState,
+          })
+        );
+      };
+
+      if (reducedState === null) {
+        // The router will return null when action has been handled and the state hasn't changed.
+        // dispatch returns true when something has been handled.
+        dispatchActionEvents();
+        return true;
+      }
+
+      if (navState !== lastNavState) {
+        // Cache updates to state.nav during the tick to ensure that subsequent calls will not discard this change
+        this._navState = navState;
+        this.setState({ nav: navState }, () => {
+          this._onNavigationStateChange(lastNavState, navState, action);
+          dispatchActionEvents();
+        });
+        return true;
+      }
+
+      dispatchActionEvents();
+      return false;
+    };
+
+    render() {
+      let navigation = this.props.navigation;
+
+      const navState = this.state.nav;
+
+      if (!navState) {
+        return null;
+      }
+
+      if (!this._navigation || this._navigation.state !== navState) {
+        this._navigation = getNavigation(
+          Component.router,
+          navState,
+          this.dispatch,
+          this._actionEventSubscribers,
+          this._getScreenProps,
+          () => this._navigation
+        );
+      }
+
+      navigation = this._navigation;
+
+      return (
+        <NavigationProvider value={navigation}>
+          <Component {...this.props} navigation={navigation} />
+        </NavigationProvider>
+      );
+    }
+  }
+
+  return NavigationContainer;
+}

packages/core/src/__tests__/NavigationFocusEvents.test.js

@@ -0,0 +1,241 @@
+import * as React from 'react';
+import { render, act } from 'react-native-testing-library';
+import { navigate } from '../NavigationActions';
+import TabRouter from '../routers/TabRouter';
+import createNavigator from '../navigators/createNavigator';
+import createNavigationContainer from '../__fixtures__/createNavigationContainer';
+
+it('fires focus and blur events in root navigator', async () => {
+  function createTestNavigator(routeConfigMap, config = {}) {
+    const router = TabRouter(routeConfigMap, config);
+
+    return createNavigator(
+      ({ descriptors, navigation }) =>
+        navigation.state.routes.map((route) => {
+          const Comp = descriptors[route.key].getComponent();
+          return (
+            <Comp
+              key={route.key}
+              navigation={descriptors[route.key].navigation}
+            />
+          );
+        }),
+      router,
+      config
+    );
+  }
+
+  const firstFocusCallback = jest.fn();
+  const firstBlurCallback = jest.fn();
+
+  const secondFocusCallback = jest.fn();
+  const secondBlurCallback = jest.fn();
+
+  const thirdFocusCallback = jest.fn();
+  const thirdBlurCallback = jest.fn();
+
+  const fourthFocusCallback = jest.fn();
+  const fourthBlurCallback = jest.fn();
+
+  const createComponent = (focusCallback, blurCallback) =>
+    class TestComponent extends React.Component {
+      componentDidMount() {
+        const { navigation } = this.props;
+
+        this.focusSub = navigation.addListener('willFocus', focusCallback);
+        this.blurSub = navigation.addListener('willBlur', blurCallback);
+      }
+
+      componentWillUnmount() {
+        this.focusSub?.remove();
+        this.blurSub?.remove();
+      }
+
+      render() {
+        return null;
+      }
+    };
+
+  const navigation = React.createRef();
+
+  const Navigator = createNavigationContainer(
+    createTestNavigator({
+      first: createComponent(firstFocusCallback, firstBlurCallback),
+      second: createComponent(secondFocusCallback, secondBlurCallback),
+      third: createComponent(thirdFocusCallback, thirdBlurCallback),
+      fourth: createComponent(fourthFocusCallback, fourthBlurCallback),
+    })
+  );
+
+  const element = <Navigator ref={navigation} />;
+
+  render(element);
+
+  expect(firstFocusCallback).toBeCalledTimes(1);
+  expect(firstBlurCallback).toBeCalledTimes(0);
+  expect(secondFocusCallback).toBeCalledTimes(0);
+  expect(secondBlurCallback).toBeCalledTimes(0);
+  expect(thirdFocusCallback).toBeCalledTimes(0);
+  expect(thirdBlurCallback).toBeCalledTimes(0);
+  expect(fourthFocusCallback).toBeCalledTimes(0);
+  expect(fourthBlurCallback).toBeCalledTimes(0);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'second' }));
+  });
+
+  expect(firstBlurCallback).toBeCalledTimes(1);
+  expect(secondFocusCallback).toBeCalledTimes(1);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'fourth' }));
+  });
+
+  expect(firstFocusCallback).toBeCalledTimes(1);
+  expect(firstBlurCallback).toBeCalledTimes(1);
+  expect(secondFocusCallback).toBeCalledTimes(1);
+  expect(secondBlurCallback).toBeCalledTimes(1);
+  expect(thirdFocusCallback).toBeCalledTimes(0);
+  expect(thirdBlurCallback).toBeCalledTimes(0);
+  expect(fourthFocusCallback).toBeCalledTimes(1);
+  expect(fourthBlurCallback).toBeCalledTimes(0);
+});
+
+it('fires focus and blur events in nested navigator', () => {
+  function createTestNavigator(routeConfigMap, config = {}) {
+    const router = TabRouter(routeConfigMap, config);
+
+    return createNavigator(
+      ({ descriptors, navigation }) =>
+        navigation.state.routes.map((route) => {
+          const Comp = descriptors[route.key].getComponent();
+          return (
+            <Comp
+              key={route.key}
+              navigation={descriptors[route.key].navigation}
+            />
+          );
+        }),
+      router,
+      config
+    );
+  }
+
+  const firstFocusCallback = jest.fn();
+  const firstBlurCallback = jest.fn();
+
+  const secondFocusCallback = jest.fn();
+  const secondBlurCallback = jest.fn();
+
+  const thirdFocusCallback = jest.fn();
+  const thirdBlurCallback = jest.fn();
+
+  const fourthFocusCallback = jest.fn();
+  const fourthBlurCallback = jest.fn();
+
+  const createComponent = (focusCallback, blurCallback) =>
+    class TestComponent extends React.Component {
+      componentDidMount() {
+        const { navigation } = this.props;
+
+        this.focusSub = navigation.addListener('willFocus', focusCallback);
+        this.blurSub = navigation.addListener('willBlur', blurCallback);
+      }
+
+      componentWillUnmount() {
+        this.focusSub?.remove();
+        this.blurSub?.remove();
+      }
+
+      render() {
+        return null;
+      }
+    };
+
+  const Navigator = createNavigationContainer(
+    createTestNavigator({
+      first: createComponent(firstFocusCallback, firstBlurCallback),
+      second: createComponent(secondFocusCallback, secondBlurCallback),
+      nested: createTestNavigator({
+        third: createComponent(thirdFocusCallback, thirdBlurCallback),
+        fourth: createComponent(fourthFocusCallback, fourthBlurCallback),
+      }),
+    })
+  );
+
+  const navigation = React.createRef();
+
+  const element = <Navigator ref={navigation} />;
+
+  render(element);
+
+  expect(thirdFocusCallback).toBeCalledTimes(0);
+  expect(firstFocusCallback).toBeCalledTimes(1);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'nested' }));
+  });
+
+  expect(firstFocusCallback).toBeCalledTimes(1);
+  expect(fourthFocusCallback).toBeCalledTimes(0);
+  expect(thirdFocusCallback).toBeCalledTimes(1);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'second' }));
+  });
+
+  expect(thirdFocusCallback).toBeCalledTimes(1);
+  expect(secondFocusCallback).toBeCalledTimes(1);
+  expect(fourthBlurCallback).toBeCalledTimes(0);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'nested' }));
+  });
+
+  expect(firstBlurCallback).toBeCalledTimes(1);
+  expect(secondBlurCallback).toBeCalledTimes(1);
+  expect(thirdFocusCallback).toBeCalledTimes(2);
+  expect(fourthFocusCallback).toBeCalledTimes(0);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'third' }));
+  });
+
+  expect(fourthBlurCallback).toBeCalledTimes(0);
+  expect(thirdFocusCallback).toBeCalledTimes(2);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'first' }));
+  });
+
+  expect(firstFocusCallback).toBeCalledTimes(2);
+  expect(thirdBlurCallback).toBeCalledTimes(2);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'fourth' }));
+  });
+
+  expect(fourthFocusCallback).toBeCalledTimes(1);
+  expect(thirdBlurCallback).toBeCalledTimes(2);
+  expect(firstBlurCallback).toBeCalledTimes(2);
+
+  act(() => {
+    navigation.current.dispatch(navigate({ routeName: 'third' }));
+  });
+
+  expect(thirdFocusCallback).toBeCalledTimes(3);
+  expect(fourthBlurCallback).toBeCalledTimes(1);
+
+  // Make sure nothing else has changed
+  expect(firstFocusCallback).toBeCalledTimes(2);
+  expect(firstBlurCallback).toBeCalledTimes(2);
+
+  expect(secondFocusCallback).toBeCalledTimes(1);
+  expect(secondBlurCallback).toBeCalledTimes(1);
+
+  expect(thirdFocusCallback).toBeCalledTimes(3);
+  expect(thirdBlurCallback).toBeCalledTimes(2);
+
+  expect(fourthFocusCallback).toBeCalledTimes(1);
+  expect(fourthBlurCallback).toBeCalledTimes(1);
+});

packages/core/src/__tests__/getChildEventSubscriber.test.js

@@ -1,543 +0,0 @@
-import getChildEventSubscriber from '../getChildEventSubscriber';
-
-it('child action events only flow when focused', () => {
-  const parentSubscriber = jest.fn();
-  const emitParentAction = payload => {
-    parentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  parentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const childEventSubscriber = getChildEventSubscriber(parentSubscriber, 'key1')
-    .addListener;
-  const testState = {
-    key: 'foo',
-    routeName: 'FooRoute',
-    routes: [{ key: 'key0' }, { key: 'key1' }],
-    index: 0,
-    isTransitioning: false,
-  };
-  const focusedTestState = {
-    ...testState,
-    index: 1,
-  };
-  const childActionHandler = jest.fn();
-  const childWillFocusHandler = jest.fn();
-  const childDidFocusHandler = jest.fn();
-  childEventSubscriber('action', childActionHandler);
-  childEventSubscriber('willFocus', childWillFocusHandler);
-  childEventSubscriber('didFocus', childDidFocusHandler);
-  emitParentAction({
-    type: 'action',
-    state: focusedTestState,
-    lastState: testState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-  emitParentAction({
-    type: 'action',
-    state: focusedTestState,
-    lastState: focusedTestState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(1);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-});
-
-it('grandchildren subscription', () => {
-  const grandParentSubscriber = jest.fn();
-  const emitGrandParentAction = payload => {
-    grandParentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  grandParentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const parentSubscriber = getChildEventSubscriber(
-    grandParentSubscriber,
-    'parent'
-  ).addListener;
-  const childEventSubscriber = getChildEventSubscriber(parentSubscriber, 'key1')
-    .addListener;
-  const parentBlurState = {
-    key: 'foo',
-    routeName: 'FooRoute',
-    routes: [
-      { key: 'aunt' },
-      {
-        key: 'parent',
-        routes: [{ key: 'key0' }, { key: 'key1' }],
-        index: 1,
-        isTransitioning: false,
-      },
-    ],
-    index: 0,
-    isTransitioning: false,
-  };
-  const parentTransitionState = {
-    ...parentBlurState,
-    index: 1,
-    isTransitioning: true,
-  };
-  const parentFocusState = {
-    ...parentTransitionState,
-    isTransitioning: false,
-  };
-  const childActionHandler = jest.fn();
-  const childWillFocusHandler = jest.fn();
-  const childDidFocusHandler = jest.fn();
-  childEventSubscriber('action', childActionHandler);
-  childEventSubscriber('willFocus', childWillFocusHandler);
-  childEventSubscriber('didFocus', childDidFocusHandler);
-  emitGrandParentAction({
-    type: 'action',
-    state: parentTransitionState,
-    lastState: parentBlurState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(0);
-  emitGrandParentAction({
-    type: 'action',
-    state: parentFocusState,
-    lastState: parentTransitionState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-});
-
-it('grandchildren transitions', () => {
-  const grandParentSubscriber = jest.fn();
-  const emitGrandParentAction = payload => {
-    grandParentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  grandParentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const parentSubscriber = getChildEventSubscriber(
-    grandParentSubscriber,
-    'parent'
-  ).addListener;
-  const childEventSubscriber = getChildEventSubscriber(parentSubscriber, 'key1')
-    .addListener;
-  const makeFakeState = (childIndex, childIsTransitioning) => ({
-    index: 1,
-    isTransitioning: false,
-    routes: [
-      { key: 'nothing' },
-      {
-        key: 'parent',
-        index: childIndex,
-        isTransitioning: childIsTransitioning,
-        routes: [{ key: 'key0' }, { key: 'key1' }, { key: 'key2' }],
-      },
-    ],
-  });
-  const blurredState = makeFakeState(0, false);
-  const transitionState = makeFakeState(1, true);
-  const focusState = makeFakeState(1, false);
-  const transition2State = makeFakeState(2, true);
-  const blurred2State = makeFakeState(2, false);
-
-  const childActionHandler = jest.fn();
-  const childWillFocusHandler = jest.fn();
-  const childDidFocusHandler = jest.fn();
-  const childWillBlurHandler = jest.fn();
-  const childDidBlurHandler = jest.fn();
-  childEventSubscriber('action', childActionHandler);
-  childEventSubscriber('willFocus', childWillFocusHandler);
-  childEventSubscriber('didFocus', childDidFocusHandler);
-  childEventSubscriber('willBlur', childWillBlurHandler);
-  childEventSubscriber('didBlur', childDidBlurHandler);
-  emitGrandParentAction({
-    type: 'action',
-    state: transitionState,
-    lastState: blurredState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(0);
-  emitGrandParentAction({
-    type: 'action',
-    state: focusState,
-    lastState: transitionState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-  emitGrandParentAction({
-    type: 'action',
-    state: focusState,
-    lastState: focusState,
-    action: { type: 'TestAction' },
-  });
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-  expect(childActionHandler.mock.calls.length).toBe(1);
-  emitGrandParentAction({
-    type: 'action',
-    state: transition2State,
-    lastState: focusState,
-    action: { type: 'CauseWillBlurAction' },
-  });
-  expect(childWillBlurHandler.mock.calls.length).toBe(1);
-  expect(childDidBlurHandler.mock.calls.length).toBe(0);
-  expect(childActionHandler.mock.calls.length).toBe(1);
-  emitGrandParentAction({
-    type: 'action',
-    state: blurred2State,
-    lastState: transition2State,
-    action: { type: 'CauseDidBlurAction' },
-  });
-  expect(childWillBlurHandler.mock.calls.length).toBe(1);
-  expect(childDidBlurHandler.mock.calls.length).toBe(1);
-  expect(childActionHandler.mock.calls.length).toBe(1);
-});
-
-it('grandchildren pass through transitions', () => {
-  const grandParentSubscriber = jest.fn();
-  const emitGrandParentAction = payload => {
-    grandParentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  grandParentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const parentSubscriber = getChildEventSubscriber(
-    grandParentSubscriber,
-    'parent'
-  ).addListener;
-  const childEventSubscriber = getChildEventSubscriber(parentSubscriber, 'key1')
-    .addListener;
-  const makeFakeState = (childIndex, childIsTransitioning) => ({
-    index: childIndex,
-    isTransitioning: childIsTransitioning,
-    routes: [
-      { key: 'nothing' },
-      {
-        key: 'parent',
-        index: 1,
-        isTransitioning: false,
-        routes: [{ key: 'key0' }, { key: 'key1' }, { key: 'key2' }],
-      },
-    ].slice(0, childIndex + 1),
-  });
-  const blurredState = makeFakeState(0, false);
-  const transitionState = makeFakeState(1, true);
-  const focusState = makeFakeState(1, false);
-  const transition2State = makeFakeState(0, true);
-  const blurred2State = makeFakeState(0, false);
-
-  const childActionHandler = jest.fn();
-  const childWillFocusHandler = jest.fn();
-  const childDidFocusHandler = jest.fn();
-  const childWillBlurHandler = jest.fn();
-  const childDidBlurHandler = jest.fn();
-  childEventSubscriber('action', childActionHandler);
-  childEventSubscriber('willFocus', childWillFocusHandler);
-  childEventSubscriber('didFocus', childDidFocusHandler);
-  childEventSubscriber('willBlur', childWillBlurHandler);
-  childEventSubscriber('didBlur', childDidBlurHandler);
-  emitGrandParentAction({
-    type: 'action',
-    state: transitionState,
-    lastState: blurredState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(0);
-  emitGrandParentAction({
-    type: 'action',
-    state: focusState,
-    lastState: transitionState,
-    action: { type: 'FooAction' },
-  });
-  expect(childActionHandler.mock.calls.length).toBe(0);
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-  emitGrandParentAction({
-    type: 'action',
-    state: focusState,
-    lastState: focusState,
-    action: { type: 'TestAction' },
-  });
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-  expect(childActionHandler.mock.calls.length).toBe(1);
-  emitGrandParentAction({
-    type: 'action',
-    state: transition2State,
-    lastState: focusState,
-    action: { type: 'CauseWillBlurAction' },
-  });
-  expect(childWillBlurHandler.mock.calls.length).toBe(1);
-  expect(childDidBlurHandler.mock.calls.length).toBe(0);
-  expect(childActionHandler.mock.calls.length).toBe(1);
-  emitGrandParentAction({
-    type: 'action',
-    state: blurred2State,
-    lastState: transition2State,
-    action: { type: 'CauseDidBlurAction' },
-  });
-  expect(childWillBlurHandler.mock.calls.length).toBe(1);
-  expect(childDidBlurHandler.mock.calls.length).toBe(1);
-  expect(childActionHandler.mock.calls.length).toBe(1);
-});
-
-it('child focus with transition', () => {
-  const parentSubscriber = jest.fn();
-  const emitParentAction = payload => {
-    parentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  parentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const childEventSubscriber = getChildEventSubscriber(parentSubscriber, 'key1')
-    .addListener;
-  const randomAction = { type: 'FooAction' };
-  const testState = {
-    key: 'foo',
-    routeName: 'FooRoute',
-    routes: [{ key: 'key0' }, { key: 'key1' }],
-    index: 0,
-    isTransitioning: false,
-  };
-  const childWillFocusHandler = jest.fn();
-  const childDidFocusHandler = jest.fn();
-  const childWillBlurHandler = jest.fn();
-  const childDidBlurHandler = jest.fn();
-  childEventSubscriber('willFocus', childWillFocusHandler);
-  childEventSubscriber('didFocus', childDidFocusHandler);
-  childEventSubscriber('willBlur', childWillBlurHandler);
-  childEventSubscriber('didBlur', childDidBlurHandler);
-  emitParentAction({
-    type: 'didFocus',
-    action: randomAction,
-    lastState: testState,
-    state: testState,
-  });
-  emitParentAction({
-    type: 'action',
-    action: randomAction,
-    lastState: testState,
-    state: {
-      ...testState,
-      index: 1,
-      isTransitioning: true,
-    },
-  });
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  emitParentAction({
-    type: 'action',
-    action: randomAction,
-    lastState: {
-      ...testState,
-      index: 1,
-      isTransitioning: true,
-    },
-    state: {
-      ...testState,
-      index: 1,
-      isTransitioning: false,
-    },
-  });
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-  emitParentAction({
-    type: 'action',
-    action: randomAction,
-    lastState: {
-      ...testState,
-      index: 1,
-      isTransitioning: false,
-    },
-    state: {
-      ...testState,
-      index: 0,
-      isTransitioning: true,
-    },
-  });
-  expect(childWillBlurHandler.mock.calls.length).toBe(1);
-  emitParentAction({
-    type: 'action',
-    action: randomAction,
-    lastState: {
-      ...testState,
-      index: 0,
-      isTransitioning: true,
-    },
-    state: {
-      ...testState,
-      index: 0,
-      isTransitioning: false,
-    },
-  });
-  expect(childDidBlurHandler.mock.calls.length).toBe(1);
-});
-
-it('child focus with immediate transition', () => {
-  const parentSubscriber = jest.fn();
-  const emitParentAction = payload => {
-    parentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  parentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const childEventSubscriber = getChildEventSubscriber(parentSubscriber, 'key1')
-    .addListener;
-  const randomAction = { type: 'FooAction' };
-  const testState = {
-    key: 'foo',
-    routeName: 'FooRoute',
-    routes: [{ key: 'key0' }, { key: 'key1' }],
-    index: 0,
-    isTransitioning: false,
-  };
-  const childWillFocusHandler = jest.fn();
-  const childDidFocusHandler = jest.fn();
-  const childWillBlurHandler = jest.fn();
-  const childDidBlurHandler = jest.fn();
-  childEventSubscriber('willFocus', childWillFocusHandler);
-  childEventSubscriber('didFocus', childDidFocusHandler);
-  childEventSubscriber('willBlur', childWillBlurHandler);
-  childEventSubscriber('didBlur', childDidBlurHandler);
-  emitParentAction({
-    type: 'didFocus',
-    action: randomAction,
-    lastState: testState,
-    state: testState,
-  });
-  emitParentAction({
-    type: 'action',
-    action: randomAction,
-    lastState: testState,
-    state: {
-      ...testState,
-      index: 1,
-    },
-  });
-  expect(childWillFocusHandler.mock.calls.length).toBe(1);
-  expect(childDidFocusHandler.mock.calls.length).toBe(1);
-
-  emitParentAction({
-    type: 'action',
-    action: randomAction,
-    lastState: {
-      ...testState,
-      index: 1,
-    },
-    state: {
-      ...testState,
-      index: 0,
-    },
-  });
-  expect(childWillBlurHandler.mock.calls.length).toBe(1);
-  expect(childDidBlurHandler.mock.calls.length).toBe(1);
-});
-
-const setupEventTest = (subscriptionKey, initialLastFocusEvent) => {
-  const parentSubscriber = jest.fn();
-  const emitEvent = payload => {
-    parentSubscriber.mock.calls.forEach(subs => {
-      if (subs[0] === payload.type) {
-        subs[1](payload);
-      }
-    });
-  };
-  const subscriptionRemove = () => {};
-  parentSubscriber.mockReturnValueOnce({ remove: subscriptionRemove });
-  const evtProvider = getChildEventSubscriber(
-    parentSubscriber,
-    subscriptionKey,
-    initialLastFocusEvent
-  );
-  const handlers = {};
-  evtProvider.addListener('action', (handlers.action = jest.fn()));
-  evtProvider.addListener('willFocus', (handlers.willFocus = jest.fn()));
-  evtProvider.addListener('didFocus', (handlers.didFocus = jest.fn()));
-  evtProvider.addListener('willBlur', (handlers.willBlur = jest.fn()));
-  evtProvider.addListener('didBlur', (handlers.didBlur = jest.fn()));
-  return { emitEvent, handlers, evtProvider };
-};
-
-it('immediate back with uncompleted transition will focus first screen again', () => {
-  const { handlers, emitEvent } = setupEventTest('key0', 'didFocus');
-  emitEvent({
-    type: 'action',
-    state: {
-      index: 1,
-      routes: [{ key: 'key0' }, { key: 'key1' }],
-      isTransitioning: true,
-    },
-    lastState: {
-      index: 0,
-      routes: [{ key: 'key0' }],
-      isTransitioning: false,
-    },
-    action: { type: 'Any action, does not matter here' },
-  });
-  expect(handlers.willFocus.mock.calls.length).toBe(0);
-  expect(handlers.didFocus.mock.calls.length).toBe(0);
-  expect(handlers.willBlur.mock.calls.length).toBe(1);
-  expect(handlers.didBlur.mock.calls.length).toBe(0);
-  emitEvent({
-    type: 'action',
-    state: {
-      index: 0,
-      routes: [{ key: 'key0' }],
-      isTransitioning: true,
-    },
-    lastState: {
-      index: 1,
-      routes: [{ key: 'key0' }, { key: 'key1' }],
-      isTransitioning: true,
-    },
-    action: { type: 'Any action, does not matter here' },
-  });
-  expect(handlers.willFocus.mock.calls.length).toBe(1);
-  expect(handlers.didFocus.mock.calls.length).toBe(0);
-  expect(handlers.willBlur.mock.calls.length).toBe(1);
-  expect(handlers.didBlur.mock.calls.length).toBe(0);
-  emitEvent({
-    type: 'action',
-    state: {
-      index: 0,
-      routes: [{ key: 'key0' }],
-      isTransitioning: false,
-    },
-    lastState: {
-      index: 0,
-      routes: [{ key: 'key0' }],
-      isTransitioning: true,
-    },
-    action: { type: 'Any action, does not matter here' },
-  });
-  expect(handlers.willFocus.mock.calls.length).toBe(1);
-  expect(handlers.didFocus.mock.calls.length).toBe(1);
-  expect(handlers.willBlur.mock.calls.length).toBe(1);
-  expect(handlers.didBlur.mock.calls.length).toBe(0);
-});

packages/core/src/__tests__/getNavigation.test.js

@@ -30,7 +30,7 @@ it('getNavigation provides default action helpers', () => {
 it.skip('getNavigation provides router action helpers', () => {
   const router = {
     getActionCreators: () => ({
-      foo: bar => ({ type: 'FooBarAction', bar }),
+      foo: (bar) => ({ type: 'FooBarAction', bar }),
     }),
     getStateForAction(action, lastState = {}) {
       return lastState;

packages/core/src/getChildEventSubscriber.js

@@ -1,196 +0,0 @@
-/*
- * This is used to extract one children's worth of events from a stream of navigation action events
- *
- * Based on the 'action' events that get fired for this navigation state, this utility will fire
- * focus and blur events for this child
- */
-export default function getChildEventSubscriber(
-  addListener,
-  key,
-  initialLastFocusEvent = 'didBlur'
-) {
-  const actionSubscribers = new Set();
-  const willFocusSubscribers = new Set();
-  const didFocusSubscribers = new Set();
-  const willBlurSubscribers = new Set();
-  const didBlurSubscribers = new Set();
-  const refocusSubscribers = new Set();
-
-  const removeAll = () => {
-    [
-      actionSubscribers,
-      willFocusSubscribers,
-      didFocusSubscribers,
-      willBlurSubscribers,
-      didBlurSubscribers,
-      refocusSubscribers,
-    ].forEach(set => set.clear());
-
-    upstreamSubscribers.forEach(subs => subs && subs.remove());
-  };
-
-  const getChildSubscribers = evtName => {
-    switch (evtName) {
-      case 'action':
-        return actionSubscribers;
-      case 'willFocus':
-        return willFocusSubscribers;
-      case 'didFocus':
-        return didFocusSubscribers;
-      case 'willBlur':
-        return willBlurSubscribers;
-      case 'didBlur':
-        return didBlurSubscribers;
-      case 'refocus':
-        return refocusSubscribers;
-      default:
-        return null;
-    }
-  };
-
-  const emit = (type, payload) => {
-    const payloadWithType = { ...payload, type };
-    const subscribers = getChildSubscribers(type);
-    subscribers &&
-      subscribers.forEach(subs => {
-        subs(payloadWithType);
-      });
-  };
-
-  // lastFocusEvent keeps track of focus state for one route. First we assume
-  // we are blurred. If we are focused on initialization, the first 'action'
-  // event will cause onFocus+willFocus events because we had previously been
-  // considered blurred
-  let lastFocusEvent = initialLastFocusEvent;
-
-  const upstreamEvents = [
-    'willFocus',
-    'didFocus',
-    'willBlur',
-    'didBlur',
-    'refocus',
-    'action',
-  ];
-
-  const upstreamSubscribers = upstreamEvents.map(eventName =>
-    addListener(eventName, payload => {
-      if (eventName === 'refocus') {
-        emit(eventName, payload);
-        return;
-      }
-
-      const { state, lastState, action } = payload;
-      const lastRoutes = lastState && lastState.routes;
-      const routes = state && state.routes;
-
-      // const lastFocusKey =
-      //   lastState && lastState.routes && lastState.routes[lastState.index].key;
-      const focusKey = routes && routes[state.index].key;
-
-      const isChildFocused = focusKey === key;
-      const lastRoute =
-        lastRoutes && lastRoutes.find(route => route.key === key);
-      const newRoute = routes && routes.find(route => route.key === key);
-      const childPayload = {
-        context: `${key}:${action.type}_${payload.context || 'Root'}`,
-        state: newRoute,
-        lastState: lastRoute,
-        action,
-        type: eventName,
-      };
-      const isTransitioning = !!state && state.isTransitioning;
-
-      const previouslylastFocusEvent = lastFocusEvent;
-
-      if (lastFocusEvent === 'didBlur') {
-        // The child is currently blurred. Look for willFocus conditions
-        if (eventName === 'willFocus' && isChildFocused) {
-          emit((lastFocusEvent = 'willFocus'), childPayload);
-        } else if (eventName === 'action' && isChildFocused) {
-          emit((lastFocusEvent = 'willFocus'), childPayload);
-        }
-      }
-      if (lastFocusEvent === 'willFocus') {
-        // We are currently mid-focus. Look for didFocus conditions.
-        // If state.isTransitioning is false, this child event happens immediately after willFocus
-        if (eventName === 'didFocus' && isChildFocused && !isTransitioning) {
-          emit((lastFocusEvent = 'didFocus'), childPayload);
-        } else if (
-          eventName === 'action' &&
-          isChildFocused &&
-          !isTransitioning
-        ) {
-          emit((lastFocusEvent = 'didFocus'), childPayload);
-        }
-      }
-
-      if (lastFocusEvent === 'didFocus') {
-        // The child is currently focused. Look for blurring events
-        if (!isChildFocused) {
-          // The child is no longer focused within this navigation state
-          emit((lastFocusEvent = 'willBlur'), childPayload);
-        } else if (eventName === 'willBlur') {
-          // The parent is getting a willBlur event
-          emit((lastFocusEvent = 'willBlur'), childPayload);
-        } else if (
-          eventName === 'action' &&
-          previouslylastFocusEvent === 'didFocus'
-        ) {
-          // While focused, pass action events to children for grandchildren focus
-          emit('action', childPayload);
-        }
-      }
-
-      if (lastFocusEvent === 'willBlur') {
-        // The child is mid-blur. Wait for transition to end
-        if (eventName === 'action' && !isChildFocused && !isTransitioning) {
-          // The child is done blurring because transitioning is over, or isTransitioning
-          // never began and didBlur fires immediately after willBlur
-          emit((lastFocusEvent = 'didBlur'), childPayload);
-        } else if (eventName === 'didBlur') {
-          // Pass through the parent didBlur event if it happens
-          emit((lastFocusEvent = 'didBlur'), childPayload);
-        } else if (
-          eventName === 'action' &&
-          isChildFocused &&
-          !isTransitioning
-        ) {
-          emit((lastFocusEvent = 'didFocus'), childPayload);
-        } else if (
-          eventName === 'action' &&
-          isChildFocused &&
-          isTransitioning
-        ) {
-          emit((lastFocusEvent = 'willFocus'), childPayload);
-        }
-      }
-
-      if (lastFocusEvent === 'didBlur' && !newRoute) {
-        removeAll();
-      }
-    })
-  );
-
-  return {
-    addListener(eventName, eventHandler) {
-      const subscribers = getChildSubscribers(eventName);
-      if (!subscribers) {
-        throw new Error(`Invalid event name "${eventName}"`);
-      }
-      subscribers.add(eventHandler);
-      const remove = () => {
-        subscribers.delete(eventHandler);
-      };
-      return { remove };
-    },
-    emit(eventName, payload) {
-      if (eventName !== 'refocus') {
-        console.error(
-          `navigation.emit only supports the 'refocus' event currently.`
-        );
-        return;
-      }
-      emit(eventName, payload);
-    },
-  };
-}

packages/core/src/getChildNavigation.js

@@ -1,9 +1,9 @@
-import getChildEventSubscriber from './getChildEventSubscriber';
 import getChildRouter from './getChildRouter';
 import getNavigationActionCreators from './routers/getNavigationActionCreators';
 import getChildrenNavigationCache from './getChildrenNavigationCache';
+import getEventManager from './getEventManager';
 
-const createParamGetter = route => (paramName, defaultValue) => {
+const createParamGetter = (route) => (paramName, defaultValue) => {
   const params = route.params;
 
   if (params && paramName in params) {
@@ -15,7 +15,7 @@ const createParamGetter = route => (paramName, defaultValue) => {
 
 function getChildNavigation(navigation, childKey, getCurrentParentNavigation) {
   const children = getChildrenNavigationCache(navigation);
-  const childRoute = navigation.state.routes.find(r => r.key === childKey);
+  const childRoute = navigation.state.routes.find((r) => r.key === childKey);
 
   if (!childRoute) {
     return null;
@@ -47,7 +47,7 @@ function getChildNavigation(navigation, childKey, getCurrentParentNavigation) {
   };
 
   const actionHelpers = {};
-  Object.keys(actionCreators).forEach(actionName => {
+  Object.keys(actionCreators).forEach((actionName) => {
     actionHelpers[actionName] = (...args) => {
       const actionCreator = actionCreators[actionName];
       const action = actionCreator(...args);
@@ -78,10 +78,7 @@ function getChildNavigation(navigation, childKey, getCurrentParentNavigation) {
     };
     return children[childKey];
   } else {
-    const childSubscriber = getChildEventSubscriber(
-      navigation.addListener,
-      childKey
-    );
+    const { addListener, emit } = getEventManager(childKey);
 
     children[childKey] = {
       ...actionHelpers,
@@ -91,7 +88,7 @@ function getChildNavigation(navigation, childKey, getCurrentParentNavigation) {
       actions: actionCreators,
       getParam: createParamGetter(childRoute),
 
-      getChildNavigation: grandChildKey =>
+      getChildNavigation: (grandChildKey) =>
         getChildNavigation(children[childKey], grandChildKey, () => {
           const nav = getCurrentParentNavigation();
           return nav && nav.getChildNavigation(childKey);
@@ -115,9 +112,10 @@ function getChildNavigation(navigation, childKey, getCurrentParentNavigation) {
       dispatch: navigation.dispatch,
       getScreenProps: navigation.getScreenProps,
       dangerouslyGetParent: getCurrentParentNavigation,
-      addListener: childSubscriber.addListener,
-      emit: childSubscriber.emit,
+      addListener,
+      emit,
     };
+
     return children[childKey];
   }
 }

packages/core/src/getChildrenNavigationCache.js

@@ -5,8 +5,8 @@ export default function getChildrenNavigationCache(navigation) {
 
   let childrenNavigationCache =
     navigation._childrenNavigation || (navigation._childrenNavigation = {});
-  let childKeys = navigation.state.routes.map(route => route.key);
-  Object.keys(childrenNavigationCache).forEach(cacheKey => {
+  let childKeys = navigation.state.routes.map((route) => route.key);
+  Object.keys(childrenNavigationCache).forEach((cacheKey) => {
     if (!childKeys.includes(cacheKey) && !navigation.state.isTransitioning) {
       delete childrenNavigationCache[cacheKey];
     }

packages/core/src/getEventManager.js

@@ -0,0 +1,61 @@
+// @ts-check
+
+/**
+ * @param {string} target
+ */
+export default function getEventManager(target) {
+  /**
+   * @type {Record<string, Record<string, ((e: any) => void)[]>>}
+   */
+  const listeners = {};
+
+  /**
+   * @param {string} type
+   * @param {() => void} callback
+   */
+  const removeListener = (type, callback) => {
+    const callbacks = listeners[type] ? listeners[type][target] : undefined;
+
+    if (!callbacks) {
+      return;
+    }
+
+    const index = callbacks.indexOf(callback);
+
+    callbacks.splice(index, 1);
+  };
+
+  /**
+   * @param {string} type
+   * @param {() => void} callback
+   */
+  const addListener = (type, callback) => {
+    listeners[type] = listeners[type] || {};
+    listeners[type][target] = listeners[type][target] || [];
+    listeners[type][target].push(callback);
+
+    return {
+      remove: () => removeListener(type, callback),
+    };
+  };
+
+  return {
+    addListener,
+
+    /**
+     * @param {string} type
+     * @param {any} [data]
+     */
+    emit: (type, data) => {
+      const items = listeners[type] || {};
+
+      /**
+       * Copy the current list of callbacks in case they are mutated during execution
+       * @type {((data: any) => void)[] | undefined}
+       */
+      const callbacks = items[target] && items[target].slice();
+
+      callbacks?.forEach((cb) => cb(data));
+    },
+  };
+}

packages/core/src/getNavigation.js

@@ -18,9 +18,9 @@ export default function getNavigation(
     state,
     dispatch,
     getScreenProps,
-    getChildNavigation: childKey =>
+    getChildNavigation: (childKey) =>
       getChildNavigation(navigation, childKey, getCurrentNavigation),
-    isFocused: childKey => {
+    isFocused: (childKey) => {
       const { routes, index } = getCurrentNavigation().state;
       if (childKey == null || routes[index].key === childKey) {
         return true;
@@ -48,7 +48,7 @@ export default function getNavigation(
     ...actions,
   };
 
-  Object.keys(actionCreators).forEach(actionName => {
+  Object.keys(actionCreators).forEach((actionName) => {
     navigation[actionName] = (...args) =>
       navigation.dispatch(actionCreators[actionName](...args));
   });

packages/core/src/navigators/__tests__/createSwitchNavigator.test.js

@@ -4,8 +4,8 @@ import { render, fireEvent } from 'react-native-testing-library';
 import { createAppContainer } from '@react-navigation/native';
 import createSwitchNavigator from '../createSwitchNavigator';
 
-const getActiveRouteName = state => state.routes[state.index].routeName;
-const createScreen = (routeName, nextRouteName) => props => (
+const getActiveRouteName = (state) => state.routes[state.index].routeName;
+const createScreen = (routeName, nextRouteName) => (props) => (
   <View>
     <Text testID="title">{routeName}</Text>
     <Text testID={routeName + '-isFirstRoute'}>

packages/core/src/navigators/createNavigator.js

@@ -1,6 +1,7 @@
-import React from 'react';
+import * as React from 'react';
 import invariant from '../utils/invariant';
 import ThemeContext from '../views/ThemeContext';
+import NavigationFocusEvents from '../views/NavigationFocusEvents';
 
 function createNavigator(NavigatorView, router, navigationConfig) {
   class Navigator extends React.Component {
@@ -78,13 +79,21 @@ function createNavigator(NavigatorView, router, navigationConfig) {
 
     render() {
       return (
-        <NavigatorView
-          {...this.props}
-          screenProps={this.state.screenProps}
-          navigation={this.props.navigation}
-          navigationConfig={navigationConfig}
-          descriptors={this.state.descriptors}
-        />
+        <React.Fragment>
+          <NavigationFocusEvents
+            navigation={this.props.navigation}
+            onEvent={(target, type, data) => {
+              this.state.descriptors[target]?.navigation.emit(type, data);
+            }}
+          />
+          <NavigatorView
+            {...this.props}
+            screenProps={this.state.screenProps}
+            navigation={this.props.navigation}
+            navigationConfig={navigationConfig}
+            descriptors={this.state.descriptors}
+          />
+        </React.Fragment>
       );
     }
   }

packages/core/src/routers/StackActions.js

@@ -5,33 +5,33 @@ export const RESET = 'Navigation/RESET';
 export const REPLACE = 'Navigation/REPLACE';
 export const COMPLETE_TRANSITION = 'Navigation/COMPLETE_TRANSITION';
 
-export const pop = payload => ({
+export const pop = (payload) => ({
   type: POP,
   ...payload,
 });
 
-export const popToTop = payload => ({
+export const popToTop = (payload) => ({
   type: POP_TO_TOP,
   ...payload,
 });
 
-export const push = payload => ({
+export const push = (payload) => ({
   type: PUSH,
   ...payload,
 });
 
-export const reset = payload => ({
+export const reset = (payload) => ({
   type: RESET,
   key: null,
   ...payload,
 });
 
-export const replace = payload => ({
+export const replace = (payload) => ({
   type: REPLACE,
   ...payload,
 });
 
-export const completeTransition = payload => ({
+export const completeTransition = (payload) => ({
   type: COMPLETE_TRANSITION,
   preserveFocus: true,
   ...payload,

packages/core/src/routers/StackRouter.js

@@ -29,7 +29,7 @@ export default (routeConfigs, stackConfig = {}) => {
   const routeNames = Object.keys(routeConfigs);
 
   // Loop through routes and find child routers
-  routeNames.forEach(routeName => {
+  routeNames.forEach((routeName) => {
     // We're not using `getScreenForRouteName` here to preserve the lazy loading
     // behaviour of routes. This means that routes with child routers must be
     // defined using a component directly or with an object with a screen prop.
@@ -152,7 +152,7 @@ export default (routeConfigs, stackConfig = {}) => {
             n,
             ...params,
           }),
-        popToTop: params => StackActions.popToTop(params),
+        popToTop: (params) => StackActions.popToTop(params),
         push: (routeName, params, action) =>
           StackActions.push({
             routeName,
@@ -280,7 +280,7 @@ export default (routeConfigs, stackConfig = {}) => {
 
         // Before pushing a new route we first try to find one in the existing route stack
         // More information on this: https://github.com/react-navigation/rfcs/blob/master/text/0004-less-pushy-navigate.md
-        const lastRouteIndex = state.routes.findIndex(r => {
+        const lastRouteIndex = state.routes.findIndex((r) => {
           if (action.key) {
             return r.key === action.key;
           } else {
@@ -425,7 +425,7 @@ export default (routeConfigs, stackConfig = {}) => {
         if (action.key === undefined && state.routes.length) {
           routeIndex = state.routes.length - 1;
         } else {
-          routeIndex = state.routes.findIndex(r => r.key === action.key);
+          routeIndex = state.routes.findIndex((r) => r.key === action.key);
         }
 
         // Only replace if the key matches one of our routes
@@ -467,7 +467,7 @@ export default (routeConfigs, stackConfig = {}) => {
 
       if (action.type === NavigationActions.SET_PARAMS) {
         const key = action.key;
-        const lastRoute = state.routes.find(route => route.key === key);
+        const lastRoute = state.routes.find((route) => route.key === key);
         if (lastRoute) {
           const params = {
             ...lastRoute.params,
@@ -496,7 +496,7 @@ export default (routeConfigs, stackConfig = {}) => {
 
         return {
           ...state,
-          routes: newStackActions.map(newStackAction => {
+          routes: newStackActions.map((newStackAction) => {
             const router = childRouters[newStackAction.routeName];
 
             let childState = {};
@@ -535,19 +535,22 @@ export default (routeConfigs, stackConfig = {}) => {
         const { key, n, immediate, prune } = action;
 
         if (action.type === StackActions.POP && prune === false && key) {
-          const index = state.routes.findIndex(r => r.key === key);
-          const count = Math.max(index - (n == null ? 1 : n) + 1, 1);
-          const routes = state.routes
-            .slice(0, count)
-            .concat(state.routes.slice(index + 1));
+          const index = state.routes.findIndex((r) => r.key === key);
 
-          if (routes.length) {
-            return {
-              ...state,
-              routes,
-              index: routes.length - 1,
-              isTransitioning: immediate !== true,
-            };
+          if (index > 0) {
+            const count = Math.max(index - (n ?? 1) + 1, 1);
+            const routes = state.routes
+              .slice(0, count)
+              .concat(state.routes.slice(index + 1));
+
+            if (routes.length) {
+              return {
+                ...state,
+                routes,
+                index: routes.length - 1,
+                isTransitioning: immediate !== true,
+              };
+            }
           }
         } else {
           let backRouteIndex = state.index;
@@ -557,7 +560,7 @@ export default (routeConfigs, stackConfig = {}) => {
             // back from state.index, as if it were a normal "BACK" action
             backRouteIndex = Math.max(1, state.index - n + 1);
           } else if (key) {
-            const backRoute = state.routes.find(route => route.key === key);
+            const backRoute = state.routes.find((route) => route.key === key);
             backRouteIndex = state.routes.indexOf(backRoute);
           }
 

packages/core/src/routers/SwitchRouter.js

@@ -30,12 +30,12 @@ export default (routeConfigs, config = {}) => {
   if (initialRouteIndex === -1) {
     throw new Error(
       `Invalid initialRouteName '${initialRouteName}'.` +
-        `Should be one of ${order.map(n => `"${n}"`).join(', ')}`
+        `Should be one of ${order.map((n) => `"${n}"`).join(', ')}`
     );
   }
 
   const childRouters = {};
-  order.forEach(routeName => {
+  order.forEach((routeName) => {
     childRouters[routeName] = null;
     const screen = getScreenForRouteName(routeConfigs, routeName);
     if (screen.router) {
@@ -93,7 +93,7 @@ export default (routeConfigs, config = {}) => {
       if (action.type === NavigationActions.NAVIGATE) {
         nextRouteKeyHistory = [...nextRouteKeyHistory]; // copy
         const keyToAdd = nextState.routes[nextState.index].key;
-        nextRouteKeyHistory = nextRouteKeyHistory.filter(k => k !== keyToAdd); // dedup
+        nextRouteKeyHistory = nextRouteKeyHistory.filter((k) => k !== keyToAdd); // dedup
         nextRouteKeyHistory.push(keyToAdd);
       } else if (action.type === NavigationActions.BACK) {
         nextRouteKeyHistory = [...nextRouteKeyHistory]; // copy
@@ -128,8 +128,8 @@ export default (routeConfigs, config = {}) => {
     const initialState = {
       routes,
       index: initialRouteIndex,
-      isTransitioning: false,
     };
+
     if (backBehavior === 'history') {
       const initialKey = routes[initialRouteIndex].key;
       initialState['routeKeyHistory'] = [initialKey];
@@ -156,7 +156,7 @@ export default (routeConfigs, config = {}) => {
         // Merge any params from the action into all the child routes
         const { params } = action;
         if (params) {
-          state.routes = state.routes.map(route => ({
+          state.routes = state.routes.map((route) => ({
             ...route,
             params: {
               ...route.params,
@@ -175,14 +175,14 @@ export default (routeConfigs, config = {}) => {
       ) {
         const { params } = action;
         const index = state.routes.findIndex(
-          route => route.routeName === action.routeName
+          (route) => route.routeName === action.routeName
         );
 
         if (index === -1) {
           throw new Error(
             `There is no route named '${action.routeName}' in the navigator with the key '${action.key}'.\n` +
               `Must be one of: ${state.routes
-                .map(route => `'${route.routeName}'`)
+                .map((route) => `'${route.routeName}'`)
                 .join(',')}`
           );
         }
@@ -305,7 +305,7 @@ export default (routeConfigs, config = {}) => {
 
       if (action.type === NavigationActions.SET_PARAMS) {
         const key = action.key;
-        const lastRoute = state.routes.find(route => route.key === key);
+        const lastRoute = state.routes.find((route) => route.key === key);
         if (lastRoute) {
           const params = {
             ...lastRoute.params,

packages/core/src/routers/__tests__/PathHandling.test.js

@@ -12,7 +12,7 @@ beforeEach(() => {
   _TESTING_ONLY_normalize_keys();
 });
 
-const performRouterTest = createTestRouter => {
+const performRouterTest = (createTestRouter) => {
   const ListScreen = () => <div />;
 
   const ProfileNavigator = () => <div />;
@@ -584,7 +584,7 @@ it('Handles nested switch routers', () => {
   expect(action.action.routeName).toEqual('B');
 });
 
-const performRouteNameAsPathDisabledTest = createTestRouter => {
+const performRouteNameAsPathDisabledTest = (createTestRouter) => {
   const BScreen = () => <div />;
   const NestedNavigator = () => <div />;
   NestedNavigator.router = createTestRouter({

packages/core/src/routers/__tests__/Routers.test.js

@@ -24,7 +24,7 @@ const dummyEventSubscriber = () => ({
   remove: () => {},
 });
 
-Object.keys(ROUTERS).forEach(routerName => {
+Object.keys(ROUTERS).forEach((routerName) => {
   const Router = ROUTERS[routerName];
 
   describe(`General router features - ${routerName}`, () => {
@@ -441,7 +441,7 @@ it('Inner actions are only unpacked if the current tab matches', () => {
     routes: [screenApreState],
   };
 
-  const comparable = state => {
+  const comparable = (state) => {
     let result = {};
     if (typeof state.routeName === 'string') {
       result = { ...result, routeName: state.routeName };

packages/core/src/routers/__tests__/TabRouter.test.js

@@ -26,7 +26,6 @@ describe('TabRouter', () => {
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar' },
       ],
-      isTransitioning: false,
     };
     expect(state).toEqual(expectedState);
     const state2 = router.getStateForAction(
@@ -39,7 +38,6 @@ describe('TabRouter', () => {
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar' },
       ],
-      isTransitioning: false,
     };
     expect(state2).toEqual(expectedState2);
     expect(router.getComponentForState(expectedState)).toEqual(ScreenA);
@@ -65,7 +63,6 @@ describe('TabRouter', () => {
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar' },
       ],
-      isTransitioning: false,
     };
     expect(state).toEqual(expectedState);
     const state2 = router.getStateForAction(
@@ -78,7 +75,6 @@ describe('TabRouter', () => {
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar' },
       ],
-      isTransitioning: false,
     };
     expect(state2).toEqual(expectedState2);
     expect(router.getComponentForState(expectedState)).toEqual(ScreenA);
@@ -102,7 +98,6 @@ describe('TabRouter', () => {
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar' },
       ],
-      isTransitioning: false,
     });
   });
 
@@ -118,7 +113,6 @@ describe('TabRouter', () => {
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar', params: { name: 'Qux' } },
       ],
-      isTransitioning: false,
     });
   });
 
@@ -230,7 +224,7 @@ describe('TabRouter', () => {
     const state = router.getStateForAction(navAction);
     expect(state).toEqual({
       index: 1,
-      isTransitioning: false,
+
       routes: [
         {
           key: 'Foo',
@@ -238,7 +232,7 @@ describe('TabRouter', () => {
         },
         {
           index: 1,
-          isTransitioning: false,
+
           key: 'Baz',
           routeName: 'Baz',
           params: { foo: '42' },
@@ -281,14 +275,14 @@ describe('TabRouter', () => {
     let state = router.getStateForAction(navAction);
     expect(state).toEqual({
       index: 1,
-      isTransitioning: false,
+
       routes: [
         { key: 'Foo', routeName: 'Foo' },
         {
           index: 0,
           key: 'Baz',
           routeName: 'Baz',
-          isTransitioning: false,
+
           routes: [
             { key: 'Boo', routeName: 'Boo' },
             { key: 'Bar', routeName: 'Bar' },
@@ -308,7 +302,7 @@ describe('TabRouter', () => {
     );
     expect(state && state.routes[1]).toEqual({
       index: 0,
-      isTransitioning: false,
+
       key: 'Baz',
       routeName: 'Baz',
       routes: [
@@ -335,14 +329,14 @@ describe('TabRouter', () => {
     });
     expect(state).toEqual({
       index: 1,
-      isTransitioning: false,
+
       routes: [
         { key: 'Foo', routeName: 'Foo' },
         {
           index: 1,
           key: 'Baz',
           routeName: 'Baz',
-          isTransitioning: false,
+
           routes: [
             { key: 'Foo', routeName: 'Foo' },
             { key: 'Bar', routeName: 'Bar' },
@@ -357,14 +351,14 @@ describe('TabRouter', () => {
     );
     expect(state2).toEqual({
       index: 1,
-      isTransitioning: false,
+
       routes: [
         { key: 'Foo', routeName: 'Foo' },
         {
           index: 0,
           key: 'Baz',
           routeName: 'Baz',
-          isTransitioning: false,
+
           routes: [
             { key: 'Foo', routeName: 'Foo' },
             { key: 'Bar', routeName: 'Bar' },
@@ -403,19 +397,19 @@ describe('TabRouter', () => {
     const state = router.getStateForAction(INIT_ACTION);
     expect(state).toEqual({
       index: 0,
-      isTransitioning: false,
+
       routes: [
         {
           index: 0,
           key: 'Foo',
           routeName: 'Foo',
-          isTransitioning: false,
+
           routes: [
             {
               index: 0,
               key: 'Fee',
               routeName: 'Fee',
-              isTransitioning: false,
+
               routes: [
                 { key: 'Boo', routeName: 'Boo' },
                 { key: 'Baz', routeName: 'Baz' },
@@ -425,7 +419,7 @@ describe('TabRouter', () => {
               index: 0,
               key: 'Bar',
               routeName: 'Bar',
-              isTransitioning: false,
+
               routes: [
                 { key: 'Zoo', routeName: 'Zoo' },
                 { key: 'Zap', routeName: 'Zap' },
@@ -442,19 +436,19 @@ describe('TabRouter', () => {
     );
     expect(state2).toEqual({
       index: 0,
-      isTransitioning: false,
+
       routes: [
         {
           index: 1,
           key: 'Foo',
           routeName: 'Foo',
-          isTransitioning: false,
+
           routes: [
             {
               index: 0,
               key: 'Fee',
               routeName: 'Fee',
-              isTransitioning: false,
+
               routes: [
                 { key: 'Boo', routeName: 'Boo' },
                 { key: 'Baz', routeName: 'Baz' },
@@ -464,7 +458,7 @@ describe('TabRouter', () => {
               index: 1,
               key: 'Bar',
               routeName: 'Bar',
-              isTransitioning: false,
+
               routes: [
                 { key: 'Zoo', routeName: 'Zoo' },
                 { key: 'Zap', routeName: 'Zap' },
@@ -494,19 +488,19 @@ describe('TabRouter', () => {
     });
     expect(state4).toEqual({
       index: 0,
-      isTransitioning: false,
+
       routes: [
         {
           index: 1,
           key: 'Foo',
           routeName: 'Foo',
-          isTransitioning: false,
+
           routes: [
             {
               index: 0,
               key: 'Fee',
               routeName: 'Fee',
-              isTransitioning: false,
+
               routes: [
                 { key: 'Boo', routeName: 'Boo' },
                 { key: 'Baz', routeName: 'Baz' },
@@ -516,7 +510,7 @@ describe('TabRouter', () => {
               index: 1,
               key: 'Bar',
               routeName: 'Bar',
-              isTransitioning: false,
+
               routes: [
                 { key: 'Zoo', routeName: 'Zoo' },
                 { key: 'Zap', routeName: 'Zap' },
@@ -557,7 +551,7 @@ describe('TabRouter', () => {
     const state = router.getStateForAction({ type: NavigationActions.INIT });
     const expectedState = {
       index: 0,
-      isTransitioning: false,
+
       routes: [
         { key: 'Foo', routeName: 'Foo' },
         { key: 'Bar', routeName: 'Bar' },
@@ -567,7 +561,7 @@ describe('TabRouter', () => {
     const state2 = router.getStateForAction(expectedAction, state);
     const expectedState2 = {
       index: 1,
-      isTransitioning: false,
+
       routes: [
         { key: 'Foo', routeName: 'Foo', params: undefined },
         {
@@ -628,13 +622,13 @@ describe('TabRouter', () => {
 
     const state = {
       index: 0,
-      isTransitioning: false,
+
       routes: [
         {
           index: 1,
           key: 'Foo',
           routeName: 'Foo',
-          isTransitioning: false,
+
           routes: [
             { key: 'Boo', routeName: 'Boo' },
             { key: 'Baz', routeName: 'Baz' },
@@ -660,7 +654,7 @@ describe('TabRouter', () => {
 
     expect(state0).toEqual({
       index: 0,
-      isTransitioning: false,
+
       routes: [
         { key: 'a', routeName: 'a' },
         { key: 'b', routeName: 'b' },
@@ -676,7 +670,7 @@ describe('TabRouter', () => {
 
     expect(state1).toEqual({
       index: 1,
-      isTransitioning: false,
+
       routes: [
         { key: 'a', routeName: 'a' },
         { key: 'b', routeName: 'b', params },
@@ -765,17 +759,17 @@ describe('TabRouter', () => {
     const screenApreState = {
       index: 0,
       key: 'Foo',
-      isTransitioning: false,
+
       routeName: 'Foo',
       routes: [{ key: 'Bar', routeName: 'Bar' }],
     };
     const preState = {
       index: 0,
-      isTransitioning: false,
+
       routes: [screenApreState],
     };
 
-    const comparable = state => {
+    const comparable = (state) => {
       let result = {};
       if (typeof state.routeName === 'string') {
         result = { ...result, routeName: state.routeName };

packages/core/src/routers/__tests__/routerTestHelper.js

@@ -17,7 +17,7 @@ export const getRouterTestHelper = (router, options = defaultOptions) => {
       ? undefined
       : router.getStateForAction({ type: NavigationActions.INIT });
 
-  const applyAction = action => {
+  const applyAction = (action) => {
     state = router.getStateForAction(action, state);
   };
 
@@ -35,7 +35,7 @@ export const getRouterTestHelper = (router, options = defaultOptions) => {
       ...otherActionAttributes,
     });
 
-  const back = key =>
+  const back = (key) =>
     applyAction({
       type: NavigationActions.BACK,
       key,

packages/core/src/routers/getScreenForRouteName.js

@@ -13,7 +13,7 @@ export default function getScreenForRouteName(routeConfigs, routeName) {
     throw new Error(
       `There is no route defined for key ${routeName}.\n` +
         `Must be one of: ${Object.keys(routeConfigs)
-          .map(a => `'${a}'`)
+          .map((a) => `'${a}'`)
           .join(',')}`
     );
   }

packages/core/src/routers/pathUtils.js

@@ -36,7 +36,7 @@ export const getParamsFromPath = (inputParams, pathMatch, pathMatchKeys) => {
   return params;
 };
 const getRestOfPath = (pathMatch, pathMatchKeys) => {
-  const rest = pathMatch[pathMatchKeys.findIndex(k => k.asterisk) + 1];
+  const rest = pathMatch[pathMatchKeys.findIndex((k) => k.asterisk) + 1];
   return rest;
 };
 
@@ -81,7 +81,7 @@ export const createPathParser = (
   let paths = [];
 
   // Build pathsByRouteNames, which includes a regex to match paths for each route. Keep in mind, the regex will pass for the route and all child routes. The code that uses pathsByRouteNames will need to also verify that the child router produces an action, in the case of isPathMatchable false (a null path).
-  Object.keys(childRouters).forEach(routeName => {
+  Object.keys(childRouters).forEach((routeName) => {
     let pathPattern;
 
     // First check for paths on the router, then check the route config
@@ -189,7 +189,7 @@ export const createPathParser = (
 
     return null;
   };
-  const getPathAndParamsForRoute = route => {
+  const getPathAndParamsForRoute = (route) => {
     const { routeName, params } = route;
     const childRouter = childRouters[routeName];
     const { toPath, exactReKeys } = pathsByRouteNames[routeName];
@@ -197,8 +197,8 @@ export const createPathParser = (
     const nonPathParams = {};
     if (params) {
       Object.keys(params)
-        .filter(paramName => !exactReKeys.find(k => k.name === paramName))
-        .forEach(paramName => {
+        .filter((paramName) => !exactReKeys.find((k) => k.name === paramName))
+        .forEach((paramName) => {
           nonPathParams[paramName] = params[paramName];
         });
     }

packages/core/src/routers/validateRouteConfigMap.js

@@ -13,7 +13,7 @@ function validateRouteConfigMap(routeConfigs) {
     'Please specify at least one route when configuring a navigator.'
   );
 
-  routeNames.forEach(routeName => {
+  routeNames.forEach((routeName) => {
     const routeConfig = routeConfigs[routeName];
     const screenComponent = getScreenComponent(routeConfig);
 

packages/core/src/routers/validateScreenOptions.js

@@ -7,7 +7,7 @@ const deprecatedKeys = ['tabBar'];
 export default (screenOptions, route) => {
   const keys = Object.keys(screenOptions);
 
-  const deprecatedKey = keys.find(key => deprecatedKeys.includes(key));
+  const deprecatedKey = keys.find((key) => deprecatedKeys.includes(key));
 
   if (typeof screenOptions.title === 'function') {
     throw new Error(
@@ -54,7 +54,7 @@ export default (screenOptions, route) => {
         '{',
         `    ${deprecatedKey}: {`,
         ...Object.keys(screenOptions[deprecatedKey]).map(
-          key => `        ${key}: ...,`
+          (key) => `        ${key}: ...,`
         ),
         '    },',
         '}',
@@ -62,7 +62,7 @@ export default (screenOptions, route) => {
         'with:',
         '{',
         ...Object.keys(screenOptions[deprecatedKey]).map(
-          key =>
+          (key) =>
             `    ${deprecatedKey + key[0].toUpperCase() + key.slice(1)}: ...,`
         ),
         '}',

packages/core/src/utils/getSceneIndicesForInterpolationInputRange.js

@@ -5,8 +5,10 @@ function getSceneIndicesForInterpolationInputRange(props) {
   const isBack = !scenes[lastSceneIndexInScenes].isActive;
 
   if (isBack) {
-    const currentSceneIndexInScenes = scenes.findIndex(item => item === scene);
-    const targetSceneIndexInScenes = scenes.findIndex(item => item.isActive);
+    const currentSceneIndexInScenes = scenes.findIndex(
+      (item) => item === scene
+    );
+    const targetSceneIndexInScenes = scenes.findIndex((item) => item.isActive);
     const targetSceneIndex = scenes[targetSceneIndexInScenes].index;
     const lastSceneIndex = scenes[lastSceneIndexInScenes].index;
 

packages/core/src/utils/invariant.ts

@@ -9,10 +9,10 @@
  * will remain to ensure logic does not differ in production.
  */
 
-let validateFormat: (format?: string) => void = function() {};
+let validateFormat: (format?: string) => void = function () {};
 
 if (process.env.NODE_ENV !== 'production') {
-  validateFormat = function(format?: string) {
+  validateFormat = function (format?: string) {
     if (format === undefined) {
       throw new Error('invariant requires an error message argument');
     }

packages/core/src/views/NavigationEvents.js

@@ -17,7 +17,7 @@ class NavigationEvents extends React.Component {
     // We register all navigation listeners on mount to ensure listener stability across re-render
     // A former implementation was replacing (removing/adding) listeners on all update (if prop provided)
     // but there were issues (see https://github.com/react-navigation/react-navigation/issues/5058)
-    EventNames.forEach(eventName => {
+    EventNames.forEach((eventName) => {
       this.subscriptions[eventName] = this.props.navigation.addListener(
         eventName,
         (...args) => {
@@ -29,12 +29,12 @@ class NavigationEvents extends React.Component {
   }
 
   componentWillUnmount() {
-    EventNames.forEach(eventName => {
+    EventNames.forEach((eventName) => {
       this.subscriptions[eventName].remove();
     });
   }
 
-  getPropListener = eventName => this.props[EventNameToPropName[eventName]];
+  getPropListener = (eventName) => this.props[EventNameToPropName[eventName]];
 
   render() {
     return null;

packages/core/src/views/NavigationFocusEvents.js

@@ -0,0 +1,360 @@
+// @ts-check
+
+import * as React from 'react';
+
+/**
+ * @typedef {object} State
+ * @prop {number} index
+ * @prop {({ key: string } & (State | {}))[]} routes
+ * @prop {boolean} [isTransitioning]
+ *
+ * @typedef {object} ParentPayload
+ * @prop {string} type
+ * @prop {object} action
+ * @prop {State} state
+ * @prop {State | {key: string, routes?: undefined, index?: undefined, isTransitioning?: undefined} | undefined | null} lastState
+ * @prop {string} [context]
+ *
+ * @typedef {object} Payload
+ * @prop {string} type
+ * @prop {object} action
+ * @prop {State | {key: string}} state
+ * @prop {State | {key: string} | undefined | null} lastState
+ * @prop {string} [context]
+ *
+ * @typedef {object} Props
+ * @prop {object} navigation
+ * @prop {Function} navigation.addListener
+ * @prop {Function} navigation.removeListener
+ * @prop {() => boolean} navigation.isFocused
+ * @prop {() => object | undefined} navigation.dangerouslyGetParent
+ * @prop {State} navigation.state
+ * @prop {(target: string, type: string, data: any) => void} onEvent
+ *
+ * @extends {React.Component<Props>}
+ */
+export default class NavigationEventManager extends React.Component {
+  componentDidMount() {
+    const { navigation } = this.props;
+
+    this._actionSubscription = navigation.addListener(
+      'action',
+      this._handleAction
+    );
+
+    this._willFocusSubscription = navigation.addListener(
+      'willFocus',
+      this._handleWillFocus
+    );
+
+    this._willBlurSubscription = navigation.addListener(
+      'willBlur',
+      this._handleWillBlur
+    );
+
+    this._didFocusSubscription = navigation.addListener(
+      'didFocus',
+      this._handleDidFocus
+    );
+
+    this._didBlurSubscription = navigation.addListener(
+      'didBlur',
+      this._handleDidBlur
+    );
+
+    this._refocusSubscription = navigation.addListener(
+      'refocus',
+      this._handleRefocus
+    );
+  }
+
+  componentWillUnmount() {
+    this._actionSubscription?.remove();
+    this._willFocusSubscription?.remove();
+    this._willBlurSubscription?.remove();
+    this._didFocusSubscription?.remove();
+    this._didBlurSubscription?.remove();
+    this._refocusSubscription?.remove();
+  }
+
+  /**
+   * @type {{ remove(): void } | undefined}
+   */
+  _actionSubscription;
+
+  /**
+   * @type {{ remove(): void } | undefined}
+   */
+  _willFocusSubscription;
+
+  /**
+   * @type {{ remove(): void } | undefined}
+   */
+  _willBlurSubscription;
+
+  /**
+   * @type {{ remove(): void } | undefined}
+   */
+  _didFocusSubscription;
+
+  /**
+   * @type {{ remove(): void } | undefined}
+   */
+  _didBlurSubscription;
+
+  /**
+   * @type {{ remove(): void } | undefined}
+   */
+  _refocusSubscription;
+
+  /**
+   * @type {string | undefined}
+   */
+  _lastWillBlurKey;
+
+  /**
+   * @type {string | undefined}
+   */
+  _lastWillFocusKey;
+
+  /**
+   * @type {string | undefined}
+   */
+  _lastDidBlurKey;
+
+  /**
+   * @type {string | undefined}
+   */
+  _lastDidFocusKey;
+
+  /**
+   * The 'action' event will fire when navigation state changes.
+   * Detect if the focused route changed here and emit appropriate events.
+   *
+   * @param {ParentPayload} payload
+   */
+  _handleAction = ({ state, lastState, action, type, context }) => {
+    const { navigation, onEvent } = this.props;
+
+    // We should only emit events when the navigator is focused
+    // When navigator is not focused, screens inside shouldn't receive focused status either
+    if (!navigation.isFocused()) {
+      return;
+    }
+
+    const previous = lastState
+      ? lastState.routes?.[lastState.index]
+      : undefined;
+    const current = state.routes[state.index];
+
+    const payload = {
+      context: `${current.key}:${action.type}_${context || 'Root'}`,
+      state: current,
+      lastState: previous,
+      action,
+      type,
+    };
+
+    if (previous?.key !== current.key) {
+      this._emitWillFocus(current.key, payload);
+
+      if (previous?.key) {
+        this._emitWillBlur(previous.key, payload);
+      }
+    }
+
+    if (
+      lastState?.isTransitioning !== state.isTransitioning &&
+      state.isTransitioning === false
+    ) {
+      if (this._lastWillBlurKey) {
+        this._emitDidBlur(this._lastWillBlurKey, payload);
+      }
+
+      if (this._lastWillFocusKey) {
+        this._emitDidFocus(this._lastWillFocusKey, payload);
+      }
+    }
+
+    onEvent(current.key, 'action', payload);
+  };
+
+  /**
+   * @param {ParentPayload} payload
+   */
+  _handleWillFocus = ({ lastState, action, context, type }) => {
+    const { navigation } = this.props;
+    const route = navigation.state.routes[navigation.state.index];
+
+    this._emitWillFocus(route.key, {
+      context: `${route.key}:${action.type}_${context || 'Root'}`,
+      state: route,
+      lastState: lastState?.routes?.find((r) => r.key === route.key),
+      action,
+      type,
+    });
+  };
+
+  /**
+   * @param {ParentPayload} payload
+   */
+  _handleWillBlur = ({ lastState, action, context, type }) => {
+    const { navigation } = this.props;
+    const route = navigation.state.routes[navigation.state.index];
+
+    this._emitWillBlur(route.key, {
+      context: `${route.key}:${action.type}_${context || 'Root'}`,
+      state: route,
+      lastState: lastState?.routes?.find((r) => r.key === route.key),
+      action,
+      type,
+    });
+  };
+
+  /**
+   * @param {ParentPayload} payload
+   */
+  _handleDidFocus = ({ lastState, action, context, type }) => {
+    const { navigation } = this.props;
+
+    if (this._lastWillFocusKey) {
+      const route = navigation.state.routes.find(
+        (r) => r.key === this._lastWillFocusKey
+      );
+
+      if (route) {
+        this._emitDidFocus(route.key, {
+          context: `${route.key}:${action.type}_${context || 'Root'}`,
+          state: route,
+          lastState: lastState?.routes?.find((r) => r.key === route.key),
+          action,
+          type,
+        });
+      }
+    }
+  };
+
+  /**
+   * @param {ParentPayload} payload
+   */
+  _handleDidBlur = ({ lastState, action, context, type }) => {
+    const { navigation } = this.props;
+
+    if (this._lastWillBlurKey) {
+      const route = navigation.state.routes.find(
+        (r) => r.key === this._lastWillBlurKey
+      );
+
+      if (route) {
+        this._emitDidBlur(route.key, {
+          context: `${route.key}:${action.type}_${context || 'Root'}`,
+          state: route,
+          lastState: lastState?.routes?.find((r) => r.key === route.key),
+          action,
+          type,
+        });
+      }
+    }
+  };
+
+  _handleRefocus = () => {
+    const { onEvent, navigation } = this.props;
+    const route = navigation.state.routes[navigation.state.index];
+
+    onEvent(route.key, 'refocus');
+  };
+
+  /**
+   * @param {string} target
+   * @param {Payload} payload
+   */
+  _emitWillFocus = (target, payload) => {
+    if (this._lastWillBlurKey === target) {
+      this._lastWillBlurKey = undefined;
+    }
+
+    if (this._lastWillFocusKey === target) {
+      return;
+    }
+
+    this._lastDidFocusKey = undefined;
+    this._lastWillFocusKey = target;
+
+    const { navigation, onEvent } = this.props;
+
+    onEvent(target, 'willFocus', payload);
+
+    if (
+      typeof navigation.state.isTransitioning !== 'boolean' ||
+      (navigation.state.isTransitioning !== true &&
+        !navigation.dangerouslyGetParent())
+    ) {
+      this._emitDidFocus(target, payload);
+    }
+  };
+
+  /**
+   * @param {string} target
+   * @param {Payload} payload
+   */
+  _emitWillBlur = (target, payload) => {
+    if (this._lastWillFocusKey === target) {
+      this._lastWillFocusKey = undefined;
+    }
+
+    if (this._lastWillBlurKey === target) {
+      return;
+    }
+
+    this._lastDidBlurKey = undefined;
+    this._lastWillBlurKey = target;
+
+    const { navigation, onEvent } = this.props;
+
+    onEvent(target, 'willBlur', payload);
+
+    if (
+      typeof navigation.state.isTransitioning !== 'boolean' ||
+      (navigation.state.isTransitioning !== true &&
+        !navigation.dangerouslyGetParent())
+    ) {
+      this._emitDidBlur(target, payload);
+    }
+  };
+
+  /**
+   * @param {string} target
+   * @param {Payload} payload
+   */
+  _emitDidFocus = (target, payload) => {
+    if (this._lastWillFocusKey !== target || this._lastDidFocusKey === target) {
+      return;
+    }
+
+    this._lastDidFocusKey = target;
+
+    const { onEvent } = this.props;
+
+    onEvent(target, 'didFocus', payload);
+  };
+
+  /**
+   * @param {string} target
+   * @param {Payload} payload
+   */
+  _emitDidBlur = (target, payload) => {
+    if (this._lastWillBlurKey !== target || this._lastDidBlurKey === target) {
+      return;
+    }
+
+    this._lastDidBlurKey = target;
+
+    const { onEvent } = this.props;
+
+    onEvent(target, 'didBlur', payload);
+  };
+
+  render() {
+    return null;
+  }
+}

packages/core/src/views/__tests__/NavigationEvents.test.js

@@ -26,13 +26,15 @@ const createTestNavigationAndHelpers = () => {
         listeners[eventName].push(handler);
       },
       remove: (eventName, handler) => {
-        listeners[eventName] = listeners[eventName].filter(h => h !== handler);
+        listeners[eventName] = listeners[eventName].filter(
+          (h) => h !== handler
+        );
       },
-      get: eventName => {
+      get: (eventName) => {
         return listeners[eventName];
       },
-      call: eventName => {
-        listeners[eventName].forEach(listener => listener());
+      call: (eventName) => {
+        listeners[eventName].forEach((listener) => listener());
       },
     };
   })();

packages/core/src/views/withNavigation.js

@@ -8,14 +8,15 @@ export default function withNavigation(
   config = { forwardRef: true }
 ) {
   class ComponentWithNavigation extends React.Component {
-    static displayName = `withNavigation(${Component.displayName ||
-      Component.name})`;
+    static displayName = `withNavigation(${
+      Component.displayName || Component.name
+    })`;
 
     render() {
       const navigationProp = this.props.navigation;
       return (
         <NavigationContext.Consumer>
-          {navigationContext => {
+          {(navigationContext) => {
             const navigation = navigationProp || navigationContext;
             invariant(
               !!navigation,

packages/core/src/views/withNavigationFocus.js

@@ -4,28 +4,29 @@ import withNavigation from './withNavigation';
 
 export default function withNavigationFocus(Component) {
   class ComponentWithNavigationFocus extends React.Component {
-    static displayName = `withNavigationFocus(${Component.displayName ||
-      Component.name})`;
+    static displayName = `withNavigationFocus(${
+      Component.displayName || Component.name
+    })`;
 
-    constructor(props) {
-      super(props);
+    state = {
+      isFocused: this.props.navigation.isFocused(),
+    };
+
+    componentDidMount() {
+      const { navigation } = this.props;
 
       this.subscriptions = [
-        props.navigation.addListener('didFocus', () =>
+        navigation.addListener('willFocus', () =>
           this.setState({ isFocused: true })
         ),
-        props.navigation.addListener('willBlur', () =>
+        navigation.addListener('willBlur', () =>
           this.setState({ isFocused: false })
         ),
       ];
-
-      this.state = {
-        isFocused: props.navigation ? props.navigation.isFocused() : false,
-      };
     }
 
     componentWillUnmount() {
-      this.subscriptions.forEach(sub => sub.remove());
+      this.subscriptions?.forEach((sub) => sub.remove());
     }
 
     render() {

packages/core/tsconfig.json

@@ -0,0 +1,6 @@
+{
+  "extends": "../../tsconfig",
+  "compilerOptions": {
+    "allowJs": true
+  }
+}

packages/drawer/CHANGELOG.md

@@ -3,6 +3,84 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [2.4.12](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.11...react-navigation-drawer@2.4.12) (2020-04-22)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
+## [2.4.11](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.10...react-navigation-drawer@2.4.11) (2020-04-02)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
+## [2.4.10](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.9...react-navigation-drawer@2.4.10) (2020-03-31)
+
+
+### Bug Fixes
+
+* remove isTransitioning from SwitchRouter state ([3bec1c9](https://github.com/react-navigation/drawer/commit/3bec1c964a49136c0ead8e8ba8a8c66c556bbcba))
+
+
+
+
+
+## [2.4.9](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.7...react-navigation-drawer@2.4.9) (2020-03-28)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
+## [2.4.8](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.7...react-navigation-drawer@2.4.8) (2020-03-27)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
+## [2.4.7](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.6...react-navigation-drawer@2.4.7) (2020-03-22)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
+## [2.4.6](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.5...react-navigation-drawer@2.4.6) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
+## [2.4.5](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.4...react-navigation-drawer@2.4.5) (2020-03-19)
+
+
+### Bug Fixes
+
+* don't use react-native-screens on web ([44c3900](https://github.com/react-navigation/drawer/commit/44c390075f7b76664e09fd9a1a7926645133ebec)), closes [#7485](https://github.com/react-navigation/drawer/issues/7485)
+
+
+
+
+
+## [2.4.4](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.3...react-navigation-drawer@2.4.4) (2020-03-16)
+
+**Note:** Version bump only for package react-navigation-drawer
+
+
+
+
+
 ## [2.4.3](https://github.com/react-navigation/drawer/compare/react-navigation-drawer@2.4.2...react-navigation-drawer@2.4.3) (2020-03-16)
 
 **Note:** Version bump only for package react-navigation-drawer

packages/drawer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-drawer",
-  "version": "2.4.3",
+  "version": "2.4.12",
   "description": "Drawer navigator component for React Navigation",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -49,8 +49,8 @@
     "react-native-reanimated": "^1.2.0",
     "react-native-screens": "^2.3.0",
     "react-native-testing-library": "^1.12.0",
-    "react-navigation": "^4.3.0",
-    "typescript": "~3.7.5"
+    "react-navigation": "^4.3.8",
+    "typescript": "~3.8.3"
   },
   "peerDependencies": {
     "react": "*",

packages/drawer/src/routers/__tests__/DrawerRouter.test.tsx

@@ -18,7 +18,7 @@ it('handles basic drawer logic and fires close on switch', () => {
   const state = router.getStateForAction(INIT_ACTION);
   const expectedState = {
     index: 0,
-    isTransitioning: false,
+
     routes: [
       { key: 'Foo', routeName: 'Foo', params: undefined },
       { key: 'Bar', routeName: 'Bar', params: undefined },
@@ -32,7 +32,7 @@ it('handles basic drawer logic and fires close on switch', () => {
   );
   const expectedState2 = {
     index: 1,
-    isTransitioning: false,
+
     routes: [
       { key: 'Foo', routeName: 'Foo', params: undefined },
       { key: 'Bar', routeName: 'Bar', params: undefined },
@@ -65,7 +65,7 @@ it('handles initial route navigation', () => {
   expect(state).toEqual({
     index: 0,
     isDrawerOpen: false,
-    isTransitioning: false,
+
     routes: [
       {
         key: 'Foo',

packages/drawer/src/views/ResourceSavingScene.tsx

@@ -1,5 +1,3 @@
-/* @flow */
-
 import * as React from 'react';
 import { Platform, StyleSheet, View } from 'react-native';
 import { Screen, screensEnabled } from 'react-native-screens';
@@ -10,21 +8,29 @@ type Props = {
   style?: any;
 };
 
-const FAR_FAR_AWAY = 3000; // this should be big enough to move the whole view out of its container
+const FAR_FAR_AWAY = 30000; // this should be big enough to move the whole view out of its container
 
 export default class ResourceSavingScene extends React.Component<Props> {
   render() {
-    if (screensEnabled?.()) {
+    // react-native-screens is buggy on web
+    if (screensEnabled?.() && Platform.OS !== 'web') {
       const { isVisible, ...rest } = this.props;
 
       // @ts-ignore
       return <Screen active={isVisible ? 1 : 0} {...rest} />;
     }
+
     const { isVisible, children, style, ...rest } = this.props;
 
     return (
       <View
-        style={[styles.container, style]}
+        style={[
+          styles.container,
+          Platform.OS === 'web'
+            ? { display: isVisible ? 'flex' : 'none' }
+            : null,
+          style,
+        ]}
         collapsable={false}
         removeClippedSubviews={
           // On iOS, set removeClippedSubviews to true only when not focused

packages/material-bottom-tabs/CHANGELOG.md

@@ -3,6 +3,70 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [2.2.11](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.10...react-navigation-material-bottom-tabs@2.2.11) (2020-04-22)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.10](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.9...react-navigation-material-bottom-tabs@2.2.10) (2020-04-02)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.9](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.8...react-navigation-material-bottom-tabs@2.2.9) (2020-03-31)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.8](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.6...react-navigation-material-bottom-tabs@2.2.8) (2020-03-28)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.7](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.6...react-navigation-material-bottom-tabs@2.2.7) (2020-03-27)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.6](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.5...react-navigation-material-bottom-tabs@2.2.6) (2020-03-22)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.5](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.4...react-navigation-material-bottom-tabs@2.2.5) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
+## [2.2.4](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.3...react-navigation-material-bottom-tabs@2.2.4) (2020-03-16)
+
+**Note:** Version bump only for package react-navigation-material-bottom-tabs
+
+
+
+
+
 ## [2.2.3](https://github.com/react-navigation/react-navigation-material-bottom-tabs/compare/react-navigation-material-bottom-tabs@2.2.2...react-navigation-material-bottom-tabs@2.2.3) (2020-03-16)
 
 **Note:** Version bump only for package react-navigation-material-bottom-tabs

packages/material-bottom-tabs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-material-bottom-tabs",
-  "version": "2.2.3",
+  "version": "2.2.11",
   "description": "Material Bottom Tab Navigation component for React Navigation",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
@@ -48,8 +48,8 @@
     "react-native-gesture-handler": "^1.6.0",
     "react-native-paper": "^3.1.1",
     "react-native-reanimated": "^1.2.0",
-    "react-navigation": "^4.3.0",
-    "typescript": "~3.7.5"
+    "react-navigation": "^4.3.8",
+    "typescript": "~3.8.3"
   },
   "peerDependencies": {
     "react": "*",

packages/native/CHANGELOG.md

@@ -3,6 +3,82 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [3.7.12](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.11...@react-navigation/native@3.7.12) (2020-04-22)
+
+**Note:** Version bump only for package @react-navigation/native
+
+
+
+
+
+## [3.7.11](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.10...@react-navigation/native@3.7.11) (2020-04-02)
+
+**Note:** Version bump only for package @react-navigation/native
+
+
+
+
+
+## [3.7.10](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.9...@react-navigation/native@3.7.10) (2020-03-31)
+
+**Note:** Version bump only for package @react-navigation/native
+
+
+
+
+
+## [3.7.9](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.7...@react-navigation/native@3.7.9) (2020-03-28)
+
+
+### Bug Fixes
+
+* rework focus and blur events to make them more reliable ([cd08338](https://github.com/react-navigation/react-navigation-native/commit/cd083381866506a192f1ec842ac169f2b4277ca5)), closes [#4867](https://github.com/react-navigation/react-navigation-native/issues/4867) [#6187](https://github.com/react-navigation/react-navigation-native/issues/6187) [#6451](https://github.com/react-navigation/react-navigation-native/issues/6451) [#7628](https://github.com/react-navigation/react-navigation-native/issues/7628) [#7749](https://github.com/react-navigation/react-navigation-native/issues/7749)
+
+
+
+
+
+## [3.7.8](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.7...@react-navigation/native@3.7.8) (2020-03-27)
+
+
+### Bug Fixes
+
+* rework focus and blur events to make them more reliable ([cd08338](https://github.com/react-navigation/react-navigation-native/commit/cd083381866506a192f1ec842ac169f2b4277ca5)), closes [#4867](https://github.com/react-navigation/react-navigation-native/issues/4867) [#6187](https://github.com/react-navigation/react-navigation-native/issues/6187) [#6451](https://github.com/react-navigation/react-navigation-native/issues/6451) [#7628](https://github.com/react-navigation/react-navigation-native/issues/7628) [#7749](https://github.com/react-navigation/react-navigation-native/issues/7749)
+
+
+
+
+
+## [3.7.7](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.6...@react-navigation/native@3.7.7) (2020-03-22)
+
+**Note:** Version bump only for package @react-navigation/native
+
+
+
+
+
+## [3.7.6](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.5...@react-navigation/native@3.7.6) (2020-03-20)
+
+
+### Bug Fixes
+
+* don't mix import and module.exports. closes [#7660](https://github.com/react-navigation/react-navigation-native/issues/7660) ([80c8c9d](https://github.com/react-navigation/react-navigation-native/commit/80c8c9d1dead57eab3b977a1eebf1e9f5f35cd1a))
+
+
+
+
+
+## [3.7.5](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.4...@react-navigation/native@3.7.5) (2020-03-16)
+
+
+### Bug Fixes
+
+* downgrade react-native-safe-area-view ([cfc1bac](https://github.com/react-navigation/react-navigation-native/commit/cfc1bac4e153db4a4ba3f2a9033f77b53367fcbc)), closes [#7813](https://github.com/react-navigation/react-navigation-native/issues/7813)
+
+
+
+
+
 ## [3.7.4](https://github.com/react-navigation/react-navigation-native/compare/@react-navigation/native@3.7.3...@react-navigation/native@3.7.4) (2020-03-16)
 
 **Note:** Version bump only for package @react-navigation/native

packages/native/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-navigation/native",
-  "version": "3.7.4",
+  "version": "3.7.12",
   "description": "React Native support for React Navigation",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -15,7 +15,8 @@
   },
   "sideEffects": false,
   "publishConfig": {
-    "access": "public"
+    "access": "public",
+    "tag": "4.x"
   },
   "keywords": [
     "react-native",
@@ -35,11 +36,11 @@
   "homepage": "https://github.com/react-navigation/react-navigation-native#readme",
   "dependencies": {
     "hoist-non-react-statics": "^3.3.2",
-    "react-native-safe-area-view": "^1.0.0"
+    "react-native-safe-area-view": "^0.14.9"
   },
   "devDependencies": {
     "@react-native-community/bob": "^0.10.0",
-    "@react-navigation/core": "^3.7.0",
+    "@react-navigation/core": "^3.7.5",
     "@types/react-test-renderer": "^16.9.2",
     "del-cli": "^3.0.0",
     "react": "~16.9.0",

packages/native/src/Scrollables.js

@@ -52,7 +52,7 @@ const WrappedFlatList = React.forwardRef((props, ref) => (
   <FlatList
     ref={ref}
     {...props}
-    renderScrollComponent={props => (
+    renderScrollComponent={(props) => (
       <WrappedScrollView {...propsMaybeWithRefreshControl(props)} />
     )}
   />
@@ -62,15 +62,14 @@ const WrappedSectionList = React.forwardRef((props, ref) => (
   <SectionList
     ref={ref}
     {...props}
-    renderScrollComponent={props => (
+    renderScrollComponent={(props) => (
       <WrappedScrollView {...propsMaybeWithRefreshControl(props)} />
     )}
   />
 ));
 
-// eslint-disable-next-line import/no-commonjs
-module.exports = {
-  ScrollView: WrappedScrollView,
-  FlatList: WrappedFlatList,
-  SectionList: WrappedSectionList,
+export {
+  WrappedScrollView as ScrollView,
+  WrappedFlatList as FlatList,
+  WrappedSectionList as SectionList,
 };

packages/native/src/__tests__/createAppContainer.test.js

@@ -274,7 +274,7 @@ describe('NavigationContainer', () => {
   });
 
   // https://github.com/facebook/jest/issues/2157#issuecomment-279171856
-  const flushPromises = () => new Promise(resolve => setImmediate(resolve));
+  const flushPromises = () => new Promise((resolve) => setImmediate(resolve));
 
   describe('state persistence', () => {
     async function createPersistenceEnabledContainer(

packages/native/src/createAppContainer.js

@@ -266,7 +266,7 @@ export default function createNavigationContainer(Component) {
       }
 
       const dispatchActions = () =>
-        this._actionEventSubscribers.forEach(subscriber =>
+        this._actionEventSubscribers.forEach((subscriber) =>
           subscriber({
             type: 'action',
             action,
@@ -316,7 +316,7 @@ export default function createNavigationContainer(Component) {
       }
     }
 
-    _persistNavigationState = async nav => {
+    _persistNavigationState = async (nav) => {
       const { persistNavigationState } = this.props;
       if (persistNavigationState) {
         try {
@@ -341,7 +341,7 @@ export default function createNavigationContainer(Component) {
 
     // Per-tick temporary storage for state.nav
 
-    dispatch = action => {
+    dispatch = (action) => {
       if (this.props.navigation) {
         return this.props.navigation.dispatch(action);
       }
@@ -357,7 +357,7 @@ export default function createNavigationContainer(Component) {
       const navState = reducedState === null ? lastNavState : reducedState;
 
       const dispatchActionEvents = () => {
-        this._actionEventSubscribers.forEach(subscriber =>
+        this._actionEventSubscribers.forEach((subscriber) =>
           subscriber({
             type: 'action',
             action,

packages/native/src/createNavigationAwareScrollable.js

@@ -4,9 +4,10 @@ import { withNavigation } from '@react-navigation/core';
 
 export default function createNavigationAwareScrollable(Component) {
   const ComponentWithNavigationScrolling = withNavigation(
-    class extends React.PureComponent<any> {
-      static displayName = `withNavigationScrolling(${Component.displayName ||
-        Component.name})`;
+    class extends React.PureComponent {
+      static displayName = `withNavigationScrolling(${
+        Component.displayName || Component.name
+      })`;
 
       componentDidMount() {
         this._subscription = this.props.navigation.addListener(
@@ -49,7 +50,7 @@ export default function createNavigationAwareScrollable(Component) {
       render() {
         return (
           <Component
-            ref={view => {
+            ref={(view) => {
               this._scrollRef = view;
             }}
             {...this.props}
@@ -59,11 +60,12 @@ export default function createNavigationAwareScrollable(Component) {
     }
   );
 
-  class NavigationAwareScrollable extends React.PureComponent<any> {
-    static displayName = `NavigationAwareScrollable(${Component.displayName ||
-      Component.name})`;
+  class NavigationAwareScrollable extends React.PureComponent {
+    static displayName = `NavigationAwareScrollable(${
+      Component.displayName || Component.name
+    })`;
 
-    _captureRef = view => {
+    _captureRef = (view) => {
       this._innerRef = view;
       this.props.onRef && this.props.onRef(view);
     };

packages/native/src/throwIfWrongVersion.js

@@ -1,4 +1,4 @@
-export default function() {
+export default function () {
   throw new Error(
     "This version of '@react-navigation/native' is not compatible with React Navigation 5. Make sure you install 5.x version of '@react-navigation/native'."
   );

packages/native/src/utils/invariant.js

@@ -9,17 +9,17 @@
  * will remain to ensure logic does not differ in production.
  */
 
-var validateFormat = function() {};
+var validateFormat = function () {};
 
 if (process.env.NODE_ENV !== 'production') {
-  validateFormat = function(format) {
+  validateFormat = function (format) {
     if (format === undefined) {
       throw new Error('invariant requires an error message argument');
     }
   };
 }
 
-function invariant(condition, format, a, b, c, d, e, f) {
+export default function invariant(condition, format, a, b, c, d, e, f) {
   validateFormat(format);
 
   if (!condition) {
@@ -32,7 +32,7 @@ function invariant(condition, format, a, b, c, d, e, f) {
       var args = [a, b, c, d, e, f];
       var argIndex = 0;
       error = new Error(
-        format.replace(/%s/g, function() {
+        format.replace(/%s/g, function () {
           return args[argIndex++];
         })
       );
@@ -43,6 +43,3 @@ function invariant(condition, format, a, b, c, d, e, f) {
     throw error;
   }
 }
-
-// eslint-disable-next-line import/no-commonjs
-module.exports = invariant;

packages/native/src/withOrientation.js

@@ -4,7 +4,7 @@ import hoistNonReactStatic from 'hoist-non-react-statics';
 
 export const isOrientationLandscape = ({ width, height }) => width > height;
 
-export default function(WrappedComponent) {
+export default function (WrappedComponent) {
   class withOrientation extends React.Component {
     constructor() {
       super();

packages/react-navigation/CHANGELOG.md

@@ -3,6 +3,70 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [4.3.8](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.7...react-navigation@4.3.8) (2020-04-22)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.7](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.6...react-navigation@4.3.7) (2020-04-02)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.6](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.5...react-navigation@4.3.6) (2020-03-31)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.5](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.3...react-navigation@4.3.5) (2020-03-28)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.4](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.3...react-navigation@4.3.4) (2020-03-27)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.3](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.2...react-navigation@4.3.3) (2020-03-22)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.2](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.1...react-navigation@4.3.2) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
+## [4.3.1](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.3.0...react-navigation@4.3.1) (2020-03-16)
+
+**Note:** Version bump only for package react-navigation
+
+
+
+
+
 # [4.3.0](https://github.com/react-navigation/react-navigation/compare/react-navigation@4.2.2...react-navigation@4.3.0) (2020-03-16)
 
 

packages/react-navigation/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation",
-  "version": "4.3.0",
+  "version": "4.3.8",
   "description": "Routing and navigation for your React Native apps",
   "main": "src/index.js",
   "types": "typescript/react-navigation.d.ts",
@@ -24,8 +24,8 @@
     "react-native": "*"
   },
   "dependencies": {
-    "@react-navigation/core": "^3.7.0",
-    "@react-navigation/native": "^3.7.4"
+    "@react-navigation/core": "^3.7.5",
+    "@react-navigation/native": "^3.7.12"
   },
   "devDependencies": {
     "@types/react": "^16.9.23",
@@ -34,6 +34,6 @@
     "react": "~16.9.0",
     "react-native": "~0.61.5",
     "react-test-renderer": "^16.9.2",
-    "typescript": "~3.7.5"
+    "typescript": "~3.8.3"
   }
 }

packages/stack/CHANGELOG.md

@@ -3,6 +3,120 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [2.3.13](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.12...react-navigation-stack@2.3.13) (2020-04-22)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.12](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.11...react-navigation-stack@2.3.12) (2020-04-17)
+
+
+### Bug Fixes
+
+* stack peer warnings ([4c4e66f](https://github.com/react-navigation/react-navigation-stack/commit/4c4e66f05cd4d694f512f4cc38827f3fbf0f70de))
+
+
+
+
+
+## [2.3.11](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.10...react-navigation-stack@2.3.11) (2020-04-02)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.10](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.9...react-navigation-stack@2.3.10) (2020-03-31)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.9](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.7...react-navigation-stack@2.3.9) (2020-03-28)
+
+
+### Bug Fixes
+
+* emit didFocus and didBlur events based on parent's transition ([14a6538](https://github.com/react-navigation/react-navigation-stack/commit/14a6538cc8e12c50d5d10722d75c9395a0a281ec))
+* rework focus and blur events to make them more reliable ([cd08338](https://github.com/react-navigation/react-navigation-stack/commit/cd083381866506a192f1ec842ac169f2b4277ca5)), closes [#4867](https://github.com/react-navigation/react-navigation-stack/issues/4867) [#6187](https://github.com/react-navigation/react-navigation-stack/issues/6187) [#6451](https://github.com/react-navigation/react-navigation-stack/issues/6451) [#7628](https://github.com/react-navigation/react-navigation-stack/issues/7628) [#7749](https://github.com/react-navigation/react-navigation-stack/issues/7749)
+
+
+
+
+
+## [2.3.8](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.7...react-navigation-stack@2.3.8) (2020-03-27)
+
+
+### Bug Fixes
+
+* rework focus and blur events to make them more reliable ([cd08338](https://github.com/react-navigation/react-navigation-stack/commit/cd083381866506a192f1ec842ac169f2b4277ca5)), closes [#4867](https://github.com/react-navigation/react-navigation-stack/issues/4867) [#6187](https://github.com/react-navigation/react-navigation-stack/issues/6187) [#6451](https://github.com/react-navigation/react-navigation-stack/issues/6451) [#7628](https://github.com/react-navigation/react-navigation-stack/issues/7628) [#7749](https://github.com/react-navigation/react-navigation-stack/issues/7749)
+
+
+
+
+
+## [2.3.7](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.6...react-navigation-stack@2.3.7) (2020-03-27)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.6](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.5...react-navigation-stack@2.3.6) (2020-03-23)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.5](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.4...react-navigation-stack@2.3.5) (2020-03-22)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.4](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.3...react-navigation-stack@2.3.4) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.3](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.2...react-navigation-stack@2.3.3) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.2](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.1...react-navigation-stack@2.3.2) (2020-03-19)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
+## [2.3.1](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.3.0...react-navigation-stack@2.3.1) (2020-03-16)
+
+**Note:** Version bump only for package react-navigation-stack
+
+
+
+
+
 # [2.3.0](https://github.com/react-navigation/react-navigation-stack/compare/react-navigation-stack@2.2.3...react-navigation-stack@2.3.0) (2020-03-16)
 
 

packages/stack/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-stack",
-  "version": "2.3.0",
+  "version": "2.3.13",
   "description": "Stack navigator component for React Navigation",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
@@ -45,7 +45,7 @@
   "devDependencies": {
     "@react-native-community/bob": "^0.10.0",
     "@react-native-community/masked-view": "^0.1.7",
-    "@react-navigation/stack": "^5.2.0",
+    "@react-navigation/stack": "^5.2.12",
     "@types/color": "^3.0.1",
     "@types/react": "^16.9.23",
     "@types/react-native": "^0.61.22",
@@ -56,16 +56,16 @@
     "react-native-gesture-handler": "^1.6.0",
     "react-native-safe-area-context": "^0.7.3",
     "react-native-screens": "^2.3.0",
-    "react-navigation": "^4.3.0",
+    "react-navigation": "^4.3.8",
     "react-test-renderer": "~16.9.0",
-    "typescript": "~3.7.5"
+    "typescript": "~3.8.3"
   },
   "peerDependencies": {
-    "@react-native-community/masked-view": "^0.1.1",
+    "@react-native-community/masked-view": ">=0.1.0",
     "react": "*",
     "react-native": "*",
-    "react-native-gesture-handler": "^1.5.0",
-    "react-native-safe-area-context": "^0.6.0",
+    "react-native-gesture-handler": ">= 1.5.0",
+    "react-native-safe-area-context": ">= 0.6.0",
     "react-native-screens": ">=1.0.0 || >= 2.0.0-alpha.0 || >= 2.0.0-beta.0 || >= 2.0.0",
     "react-navigation": "^4.1.1"
   },

packages/stack/scripts/stack.patch

@@ -1,6 +1,6 @@
 diff -Naur ../../node_modules/@react-navigation/stack/src/index.tsx src/vendor/index.tsx
---- ../../node_modules/@react-navigation/stack/src/index.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/index.tsx	2020-03-16 14:41:12.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/index.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/index.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -3,11 +3,6 @@
  import * as TransitionSpecs from './TransitionConfigs/TransitionSpecs';
  import * as TransitionPresets from './TransitionConfigs/TransitionPresets';
@@ -13,25 +13,25 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/index.tsx src/vendor/i
  export const Assets = [
    // eslint-disable-next-line import/no-commonjs
    require('./views/assets/back-icon.png'),
-@@ -49,9 +44,10 @@
+@@ -49,8 +44,10 @@
   * Types
   */
- export {
+ export type {
 -  StackNavigationOptions,
 -  StackNavigationProp,
--  StackHeaderProps,
 +  NavigationStackState,
 +  StackNavigationProp as NavigationStackProp,
 +  StackNavigationOptions as NavigationStackOptions,
 +  StackNavigationConfig as NavigationStackConfig,
+   StackHeaderProps,
    StackHeaderLeftButtonProps,
    StackHeaderTitleProps,
-   StackCardInterpolatedStyle,
 diff -Naur ../../node_modules/@react-navigation/stack/src/navigators/createStackNavigator.tsx src/vendor/navigators/createStackNavigator.tsx
---- ../../node_modules/@react-navigation/stack/src/navigators/createStackNavigator.tsx	2020-03-16 14:39:49.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/navigators/createStackNavigator.tsx	2020-04-22 16:34:01.000000000 +0200
 +++ src/vendor/navigators/createStackNavigator.tsx	1970-01-01 01:00:00.000000000 +0100
-@@ -1,81 +0,0 @@
+@@ -1,96 +0,0 @@
 -import * as React from 'react';
+-import { Platform } from 'react-native';
 -import {
 -  useNavigationBuilder,
 -  createNavigatorFactory,
@@ -59,6 +59,11 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/navigators/createStack
 -  screenOptions,
 -  ...rest
 -}: Props) {
+-  const defaultOptions = {
+-    gestureEnabled: Platform.OS === 'ios',
+-    animationEnabled: Platform.OS !== 'web',
+-  };
+-
 -  const { state, descriptors, navigation } = useNavigationBuilder<
 -    StackNavigationState,
 -    StackRouterOptions,
@@ -67,13 +72,22 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/navigators/createStack
 -  >(StackRouter, {
 -    initialRouteName,
 -    children,
--    screenOptions,
+-    screenOptions:
+-      typeof screenOptions === 'function'
+-        ? (...args) => ({
+-            ...defaultOptions,
+-            ...screenOptions(...args),
+-          })
+-        : {
+-            ...defaultOptions,
+-            ...screenOptions,
+-          },
 -  });
 -
 -  React.useEffect(
 -    () =>
 -      navigation.addListener &&
--      navigation.addListener('tabPress', e => {
+-      navigation.addListener('tabPress', (e) => {
 -        const isFocused = navigation.isFocused();
 -
 -        // Run the operation in the next frame so we're sure all listeners have been run
@@ -113,8 +127,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/navigators/createStack
 -  typeof StackNavigator
 ->(StackNavigator);
 diff -Naur ../../node_modules/@react-navigation/stack/src/types.tsx src/vendor/types.tsx
---- ../../node_modules/@react-navigation/stack/src/types.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/types.tsx	2020-03-16 14:47:01.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/types.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/types.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -8,14 +8,28 @@
  } from 'react-native';
  import { EdgeInsets } from 'react-native-safe-area-context';
@@ -240,8 +254,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/types.tsx src/vendor/t
  
  export type StackNavigationConfig = {
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/Header.tsx src/vendor/views/Header/Header.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Header/Header.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Header/Header.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/Header.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Header/Header.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -1,12 +1,14 @@
  import * as React from 'react';
 -import { StackActions } from '@react-navigation/native';
@@ -321,8 +335,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/Header.ts
 +
 +export default Header;
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackButton.tsx src/vendor/views/Header/HeaderBackButton.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackButton.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Header/HeaderBackButton.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackButton.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Header/HeaderBackButton.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -8,9 +8,9 @@
    StyleSheet,
    LayoutChangeEvent,
@@ -335,8 +349,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBac
  
  type Props = StackHeaderLeftButtonProps;
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackground.tsx src/vendor/views/Header/HeaderBackground.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackground.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Header/HeaderBackground.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackground.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Header/HeaderBackground.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -1,6 +1,6 @@
  import * as React from 'react';
  import { Animated, StyleSheet, Platform, ViewProps } from 'react-native';
@@ -346,8 +360,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBac
  type Props = ViewProps & {
    children?: React.ReactNode;
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderContainer.tsx src/vendor/views/Header/HeaderContainer.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderContainer.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Header/HeaderContainer.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderContainer.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Header/HeaderContainer.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -1,11 +1,6 @@
  import * as React from 'react';
  import { View, StyleSheet, StyleProp, ViewStyle } from 'react-native';
@@ -399,8 +413,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderCon
          );
        })}
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderSegment.tsx src/vendor/views/Header/HeaderSegment.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderSegment.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Header/HeaderSegment.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderSegment.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Header/HeaderSegment.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -8,7 +8,7 @@
    ViewStyle,
  } from 'react-native';
@@ -420,8 +434,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderSeg
  };
  
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderTitle.tsx src/vendor/views/Header/HeaderTitle.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderTitle.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Header/HeaderTitle.tsx	2020-03-16 14:43:23.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderTitle.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Header/HeaderTitle.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -1,6 +1,6 @@
  import * as React from 'react';
  import { Animated, StyleSheet, Platform } from 'react-native';
@@ -431,8 +445,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Header/HeaderTit
  type Props = React.ComponentProps<typeof Animated.Text> & {
    tintColor?: string;
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/Card.tsx src/vendor/views/Stack/Card.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Stack/Card.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Stack/Card.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/Card.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Stack/Card.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -138,7 +138,7 @@
  
    private interactionHandle: number | undefined;
@@ -443,8 +457,8 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/Card.tsx s
    private animate = ({
      closing,
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/CardContainer.tsx src/vendor/views/Stack/CardContainer.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Stack/CardContainer.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Stack/CardContainer.tsx	2020-03-16 14:41:16.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/CardContainer.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Stack/CardContainer.tsx	2020-04-22 16:34:39.000000000 +0200
 @@ -1,10 +1,16 @@
  import * as React from 'react';
  import { Animated, View, StyleSheet, StyleProp, ViewStyle } from 'react-native';
@@ -464,33 +478,7 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/CardContai
  
  type Props = TransitionPreset & {
    index: number;
-@@ -36,6 +42,7 @@
-     closing: boolean
-   ) => void;
-   onTransitionEnd?: (props: { route: Route<string> }, closing: boolean) => void;
-+  onTransitionComplete: (props: { route: Route<string> }) => void;
-   onPageChangeStart?: () => void;
-   onPageChangeConfirm?: () => void;
-   onPageChangeCancel?: () => void;
-@@ -83,6 +90,7 @@
-   layout,
-   onCloseRoute,
-   onOpenRoute,
-+  onTransitionComplete,
-   onPageChangeCancel,
-   onPageChangeConfirm,
-   onPageChangeStart,
-@@ -152,6 +160,9 @@
-     };
-   }, [pointerEvents, scene.progress.next]);
- 
-+  // eslint-disable-next-line react-hooks/exhaustive-deps
-+  React.useEffect(() => onTransitionComplete({ route: scene.route }), []);
-+
-   return (
-     <Card
-       index={index}
-@@ -183,7 +194,7 @@
+@@ -183,7 +189,7 @@
            ? { marginTop: headerHeight }
            : null
        }
@@ -500,20 +488,18 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/CardContai
      >
        <View style={styles.container}>
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/CardStack.tsx src/vendor/views/Stack/CardStack.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Stack/CardStack.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Stack/CardStack.tsx	2020-03-16 14:41:16.000000000 +0100
-@@ -9,9 +9,8 @@
-   ViewProps,
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/CardStack.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Stack/CardStack.tsx	2020-04-22 16:35:12.000000000 +0200
+@@ -7,7 +7,7 @@
+   Platform,
  } from 'react-native';
  import { EdgeInsets } from 'react-native-safe-area-context';
--// eslint-disable-next-line import/no-unresolved
- import { ScreenContainer, Screen, screensEnabled } from 'react-native-screens'; // Import with * as to prevent getters being called
 -import { Route, StackNavigationState } from '@react-navigation/native';
 +import { NavigationState as StackNavigationState } from 'react-navigation';
  
+ import { MaybeScreenContainer, MaybeScreen } from '../Screens';
  import { getDefaultHeaderHeight } from '../Header/HeaderSegment';
- import { Props as HeaderContainerProps } from '../Header/HeaderContainer';
-@@ -24,6 +23,7 @@
+@@ -21,6 +21,7 @@
  import { forNoAnimation as forNoAnimationCard } from '../../TransitionConfigs/CardStyleInterpolators';
  import getDistanceForDirection from '../../utils/getDistanceForDirection';
  import {
@@ -521,34 +507,10 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/CardStack.
    Layout,
    StackHeaderMode,
    StackCardMode,
-@@ -54,6 +54,7 @@
-   renderHeader: (props: HeaderContainerProps) => React.ReactNode;
-   renderScene: (props: { route: Route<string> }) => React.ReactNode;
-   headerMode: StackHeaderMode;
-+  onTransitionComplete: (props: { route: Route<string> }) => void;
-   onTransitionStart: (
-     props: { route: Route<string> },
-     closing: boolean
-@@ -371,6 +372,7 @@
-       renderHeader,
-       renderScene,
-       headerMode,
-+      onTransitionComplete,
-       onTransitionStart,
-       onTransitionEnd,
-       onPageChangeStart,
-@@ -548,6 +550,7 @@
-                   renderScene={renderScene}
-                   onOpenRoute={onOpenRoute}
-                   onCloseRoute={onCloseRoute}
-+                  onTransitionComplete={onTransitionComplete}
-                   onTransitionStart={onTransitionStart}
-                   onTransitionEnd={onTransitionEnd}
-                   gestureEnabled={index !== 0 && getGesturesEnabled({ route })}
 diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.tsx src/vendor/views/Stack/StackView.tsx
---- ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.tsx	2020-03-16 14:39:49.000000000 +0100
-+++ src/vendor/views/Stack/StackView.tsx	2020-03-16 15:41:41.000000000 +0100
-@@ -4,9 +4,9 @@
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.tsx	2020-04-22 16:34:01.000000000 +0200
++++ src/vendor/views/Stack/StackView.tsx	2020-04-22 16:38:12.000000000 +0200
+@@ -4,9 +4,10 @@
  import { GestureHandlerRootView } from 'react-native-gesture-handler';
  import {
    StackActions,
@@ -556,12 +518,13 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
 -  Route,
 -} from '@react-navigation/native';
 +  NavigationState as StackNavigationState,
++  NavigationActions,
 +  SceneView,
 +} from 'react-navigation';
  
  import CardStack from './CardStack';
  import KeyboardManager from '../KeyboardManager';
-@@ -15,6 +15,7 @@
+@@ -15,6 +16,7 @@
  } from '../Header/HeaderContainer';
  import SafeAreaProviderCompat from '../SafeAreaProviderCompat';
  import {
@@ -569,7 +532,7 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
    StackNavigationHelpers,
    StackNavigationConfig,
    StackDescriptorMap,
-@@ -24,6 +25,7 @@
+@@ -24,6 +26,7 @@
    state: StackNavigationState;
    navigation: StackNavigationHelpers;
    descriptors: StackDescriptorMap;
@@ -577,7 +540,18 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
  };
  
  type State = {
-@@ -290,14 +292,37 @@
+@@ -292,7 +295,9 @@
+         return false;
+       }
+ 
+-      return gestureEnabled !== false;
++      return gestureEnabled !== undefined
++        ? gestureEnabled
++        : Platform.OS !== 'android';
+     }
+ 
+     return false;
+@@ -320,23 +325,44 @@
        return null;
      }
  
@@ -598,25 +572,37 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
      return <HeaderContainer {...props} />;
    };
  
-+  private handleTransitionComplete = ({ route }: { route: Route<string> }) => {
++  private handleTransitionComplete = () => {
 +    const { state, navigation } = this.props;
 +
 +    if (state.isTransitioning) {
 +      navigation.dispatch(
 +        StackActions.completeTransition({
 +          key: navigation.state.key,
-+          toChildKey: route.key,
++          toChildKey: state.routes[state.index].key,
 +        })
 +      );
 +    }
 +  };
 +
    private handleOpenRoute = ({ route }: { route: Route<string> }) => {
-+    this.handleTransitionComplete({ route });
-     this.setState(state => ({
-       routes: state.replacingRouteKeys.length
-         ? state.routes.filter(r => !state.replacingRouteKeys.includes(r.key))
-@@ -315,12 +340,17 @@
+     const { state, navigation } = this.props;
+ 
+-    if (
+-      state.routeNames.includes(route.name) &&
+-      !state.routes.some((r) => r.key === route.key)
+-    ) {
++    this.handleTransitionComplete();
++
++    if (!state.routes.some((r) => r.key === route.key)) {
+       // If route isn't present in current state, assume that a close animation was cancelled
+       // So we need to add this route back to the state
+-      navigation.navigate(route);
++      navigation.dispatch(NavigationActions.navigate(route));
+     } else {
+       this.setState((state) => ({
+         routes: state.replacingRouteKeys.length
+@@ -362,12 +388,11 @@
        // If a route exists in state, trigger a pop
        // This will happen in when the route was closed from the card component
        // e.g. When the close animation triggered from a gesture ends
@@ -628,18 +614,12 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
 +      // @ts-ignore
 +      navigation.dispatch(StackActions.pop({ key: route.key, prune: false }));
      } else {
-+      // While closing route we need to point to the previous one assuming that
-+      // this previous one in routes array
-+      const index = this.state.routes.findIndex(r => r.key === route.key);
-+
-+      this.handleTransitionComplete({
-+        route: this.state.routes[Math.max(index - 1, 0)],
-+      });
++      this.handleTransitionComplete();
 +
        // We need to clean up any state tracking the route and pop it immediately
-       this.setState(state => ({
-         routes: state.routes.filter(r => r.key !== route.key),
-@@ -337,22 +367,24 @@
+       this.setState((state) => ({
+         routes: state.routes.filter((r) => r.key !== route.key),
+@@ -384,22 +409,24 @@
    private handleTransitionStart = (
      { route }: { route: Route<string> },
      closing: boolean
@@ -676,11 +656,3 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
  
    render() {
      const {
-@@ -391,6 +423,7 @@
-                     closingRouteKeys={closingRouteKeys}
-                     onOpenRoute={this.handleOpenRoute}
-                     onCloseRoute={this.handleCloseRoute}
-+                    onTransitionComplete={this.handleTransitionComplete}
-                     onTransitionStart={this.handleTransitionStart}
-                     onTransitionEnd={this.handleTransitionEnd}
-                     renderHeader={this.renderHeader}

packages/stack/src/index.tsx

@@ -8,7 +8,7 @@ export { default as createStackNavigator } from './navigators/createStackNavigat
 /**
  * Types
  */
-export {
+export type {
   NavigationStackScreenComponent,
   NavigationStackScreenProps,
 } from './types';

packages/stack/src/navigators/__tests__/__snapshots__/NestedNavigator.test.tsx.snap

@@ -115,7 +115,7 @@ exports[`Nested navigators renders succesfully as direct child 1`] = `
                 pointerEvents="none"
                 style={
                   Object {
-                    "backgroundColor": "#fff",
+                    "backgroundColor": "rgb(242, 242, 242)",
                     "bottom": 0,
                     "left": 0,
                     "position": "absolute",
@@ -276,7 +276,7 @@ exports[`Nested navigators renders succesfully as direct child 1`] = `
                                     pointerEvents="none"
                                     style={
                                       Object {
-                                        "backgroundColor": "#fff",
+                                        "backgroundColor": "rgb(242, 242, 242)",
                                         "bottom": 0,
                                         "left": 0,
                                         "position": "absolute",

packages/stack/src/navigators/__tests__/__snapshots__/StackNavigator.test.tsx.snap

@@ -115,7 +115,7 @@ exports[`StackNavigator applies correct values when headerRight is present 1`] =
                 pointerEvents="none"
                 style={
                   Object {
-                    "backgroundColor": "#fff",
+                    "backgroundColor": "rgb(242, 242, 242)",
                     "bottom": 0,
                     "left": 0,
                     "position": "absolute",
@@ -412,7 +412,7 @@ exports[`StackNavigator renders successfully 1`] = `
                 pointerEvents="none"
                 style={
                   Object {
-                    "backgroundColor": "#fff",
+                    "backgroundColor": "rgb(242, 242, 242)",
                     "bottom": 0,
                     "left": 0,
                     "position": "absolute",

packages/stack/src/navigators/createStackNavigator.tsx

@@ -30,7 +30,7 @@ function createStackNavigator(
   return createNavigator(
     // TODO: don't have time to fix it right now
     // @ts-ignore
-    navigatorProps => <StackView {...navigatorProps} />,
+    (navigatorProps) => <StackView {...navigatorProps} />,
     router,
     stackConfig
   );

packages/stack/src/utils/validateDeprecatedConfig.tsx

@@ -58,7 +58,7 @@ export default function validateDeprecatedConfig(
 ) {
   let result = options;
 
-  Object.keys(validations).forEach(name => {
+  Object.keys(validations).forEach((name) => {
     if (name in config) {
       const { compat, message } = validations[name];
 

packages/stack/src/utils/validateDeprecatedOptions.tsx

@@ -12,10 +12,10 @@ const shownWarnings: string[] = [];
 
 const validations: Validation[] = [
   {
-    check: o => typeof o.headerForceInset === 'object',
+    check: (o) => typeof o.headerForceInset === 'object',
     deprecated: 'headerForceInset',
     updated: 'safeAreaInsets',
-    compat: o => {
+    compat: (o) => {
       const { headerForceInset, ...rest } = o;
 
       let safeAreaInsets: Partial<EdgeInsets> | undefined = {
@@ -55,20 +55,20 @@ const validations: Validation[] = [
     },
   },
   {
-    check: o => o.gesturesEnabled !== undefined,
+    check: (o) => o.gesturesEnabled !== undefined,
     deprecated: 'gesturesEnabled',
     updated: 'gestureEnabled',
-    compat: o => {
+    compat: (o) => {
       const { gesturesEnabled, ...rest } = o;
 
       return { ...rest, gestureEnabled: gesturesEnabled };
     },
   },
   {
-    check: o => o.header === null,
+    check: (o) => o.header === null,
     deprecated: 'header: null',
     updated: 'headerShown: false',
-    compat: o => {
+    compat: (o) => {
       // eslint-disable-next-line @typescript-eslint/no-unused-vars
       const { header, ...rest } = o;
 
@@ -76,26 +76,26 @@ const validations: Validation[] = [
     },
   },
   {
-    check: o => o.header != null && typeof o.header !== 'function',
+    check: (o) => o.header != null && typeof o.header !== 'function',
     deprecated: 'header: <SomeElement />',
     updated: 'header: () => <SomeElement />',
-    compat: o => ({ ...o, header: () => o.header }),
+    compat: (o) => ({ ...o, header: () => o.header }),
   },
   {
-    check: o =>
+    check: (o) =>
       o.headerTitle !== undefined &&
       typeof o.headerTitle !== 'string' &&
       typeof o.headerTitle !== 'function',
     deprecated: 'headerTitle: <SomeElement />',
     updated: 'headerTitle: () => <SomeElement />',
-    compat: o => ({ ...o, headerTitle: () => o.headerTitle }),
+    compat: (o) => ({ ...o, headerTitle: () => o.headerTitle }),
   },
   ...['headerLeft', 'headerRight', 'headerBackground', 'headerBackImage'].map(
     (p): Validation => ({
       check: (o: any) => o[p] !== undefined && typeof o[p] !== 'function',
       deprecated: `${p}: <SomeElement />`,
       updated: `${p}: () => <SomeElement />`,
-      compat: o => ({ ...o, [p]: () => o[p] }),
+      compat: (o) => ({ ...o, [p]: () => o[p] }),
     })
   ),
 ];
@@ -108,7 +108,7 @@ export default function validateDeprecatedOptions(
   const warnings: Validation[] = [];
 
   // Validate options to show warnings for deprecations
-  validations.forEach(v => {
+  validations.forEach((v) => {
     if (v.check(options)) {
       result = v.compat(result);
 
@@ -127,7 +127,7 @@ export default function validateDeprecatedOptions(
     console.warn(
       `Deprecation in 'navigationOptions':\n${warnings
         .map(
-          v =>
+          (v) =>
             `- '${v.deprecated}' will be removed in a future version. Use '${v.updated}' instead`
         )
         .join('\n')}`

packages/stack/src/vendor/TransitionConfigs/CardStyleInterpolators.tsx

@@ -164,6 +164,7 @@ export function forModalPresentationIOS({
       borderTopLeftRadius: borderRadius,
       borderTopRightRadius: borderRadius,
       marginTop: index === 0 ? 0 : statusBarHeight,
+      marginBottom: index === 0 ? 0 : topOffset,
       transform: [{ translateY }, { scale }],
     },
     overlayStyle: { opacity: overlayOpacity },

packages/stack/src/vendor/index.tsx

@@ -43,11 +43,12 @@ export { default as useGestureHandlerRef } from './utils/useGestureHandlerRef';
 /**
  * Types
  */
-export {
+export type {
   NavigationStackState,
   StackNavigationProp as NavigationStackProp,
   StackNavigationOptions as NavigationStackOptions,
   StackNavigationConfig as NavigationStackConfig,
+  StackHeaderProps,
   StackHeaderLeftButtonProps,
   StackHeaderTitleProps,
   StackCardInterpolatedStyle,

packages/stack/src/vendor/utils/debounce.tsx

@@ -4,7 +4,7 @@ export default function debounce<T extends (...args: any[]) => void>(
 ): T {
   let timeout: NodeJS.Timeout | number | undefined;
 
-  return function(this: any, ...args) {
+  return function (this: any, ...args) {
     if (!timeout) {
       // eslint-disable-next-line babel/no-invalid-this
       func.apply(this, args);

packages/stack/src/vendor/views/Header/HeaderContainer.tsx

@@ -118,7 +118,7 @@ export default function HeaderContainer({
               <View
                 onLayout={
                   onContentHeightChange
-                    ? e =>
+                    ? (e) =>
                         onContentHeightChange({
                           route: scene.route,
                           height: e.nativeEvent.layout.height,

packages/stack/src/vendor/views/Header/HeaderSegment.tsx

@@ -38,7 +38,7 @@ type State = {
 };
 
 const warnIfHeaderStylesDefined = (styles: Record<string, any>) => {
-  Object.keys(styles).forEach(styleProp => {
+  Object.keys(styles).forEach((styleProp) => {
     const value = styles[styleProp];
 
     if (styleProp === 'position' && value === 'absolute') {

packages/stack/src/vendor/views/KeyboardManager.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { TextInput, Keyboard } from 'react-native';
+import { TextInput, Platform, Keyboard } from 'react-native';
 
 type Props = {
   enabled: boolean;
@@ -54,7 +54,13 @@ export default class KeyboardManager extends React.Component<Props> {
 
     this.clearKeyboardTimeout();
 
-    Keyboard.dismiss();
+    const input = this.previouslyFocusedTextInput;
+
+    if (Platform.OS === 'android') {
+      Keyboard.dismiss();
+    } else if (input) {
+      TextInput.State.blurTextInput(input);
+    }
 
     // Cleanup the ID on successful page change
     this.previouslyFocusedTextInput = null;

packages/stack/src/vendor/views/MaskedView.native.tsx

@@ -1,17 +1,26 @@
 import * as React from 'react';
 import { UIManager } from 'react-native';
-import RNCMaskedView from '@react-native-community/masked-view';
 
-type Props = React.ComponentProps<typeof RNCMaskedView> & {
+type MaskedViewType = typeof import('@react-native-community/masked-view').default;
+
+type Props = React.ComponentProps<MaskedViewType> & {
   children: React.ReactElement;
 };
 
+let RNCMaskedView: MaskedViewType | undefined;
+
+try {
+  RNCMaskedView = require('@react-native-community/masked-view').default;
+} catch (e) {
+  // Ignore
+}
+
 const isMaskedViewAvailable =
   // @ts-ignore
   UIManager.getViewManagerConfig('RNCMaskedView') != null;
 
 export default function MaskedView({ children, ...rest }: Props) {
-  if (isMaskedViewAvailable) {
+  if (isMaskedViewAvailable && RNCMaskedView) {
     return <RNCMaskedView {...rest}>{children}</RNCMaskedView>;
   }
 

packages/stack/src/vendor/views/SafeAreaProviderCompat.tsx

@@ -30,7 +30,7 @@ type Props = {
 export default function SafeAreaProviderCompat({ children }: Props) {
   return (
     <SafeAreaConsumer>
-      {insets => {
+      {(insets) => {
         if (insets) {
           // If we already have insets, don't wrap the stack in another safe area provider
           // This avoids an issue with updates at the cost of potentially incorrect values

packages/stack/src/vendor/views/Screens.tsx

@@ -0,0 +1,71 @@
+import * as React from 'react';
+import { Animated, View, Platform, ViewProps } from 'react-native';
+
+let Screens: typeof import('react-native-screens') | undefined;
+
+try {
+  Screens = require('react-native-screens');
+} catch (e) {
+  // Ignore
+}
+
+// The web implementation in react-native-screens seems buggy.
+// The view doesn't become visible after coming back in some cases.
+// So we use our custom implementation.
+class WebScreen extends React.Component<
+  ViewProps & {
+    active: number;
+    children: React.ReactNode;
+  }
+> {
+  render() {
+    const { active, style, ...rest } = this.props;
+
+    return (
+      <View
+        // @ts-ignore
+        hidden={!active}
+        style={[style, { display: active ? 'flex' : 'none' }]}
+        {...rest}
+      />
+    );
+  }
+}
+
+const AnimatedWebScreen = Animated.createAnimatedComponent(WebScreen);
+
+export const MaybeScreenContainer = ({
+  enabled,
+  ...rest
+}: ViewProps & {
+  enabled: boolean;
+  children: React.ReactNode;
+}) => {
+  if (enabled && Platform.OS !== 'web' && Screens && Screens.screensEnabled()) {
+    return <Screens.ScreenContainer {...rest} />;
+  }
+
+  return <View {...rest} />;
+};
+
+export const MaybeScreen = ({
+  enabled,
+  active,
+  ...rest
+}: ViewProps & {
+  enabled: boolean;
+  active: number | Animated.AnimatedInterpolation;
+  children: React.ReactNode;
+}) => {
+  if (enabled && Platform.OS === 'web') {
+    // @ts-ignore
+    return <AnimatedWebScreen active={active} {...rest} />;
+  }
+
+  if (enabled && Screens && Screens.screensEnabled()) {
+    // @ts-ignore
+    return <Screens.Screen active={active} {...rest} />;
+  }
+
+  return <View {...rest} />;
+};

packages/stack/src/vendor/views/Stack/Card.tsx

@@ -246,11 +246,21 @@ export default class Card extends React.Component<Props> {
         this.handleStartInteraction();
         onGestureBegin?.();
         break;
-      case GestureState.CANCELLED:
+      case GestureState.CANCELLED: {
         this.isSwiping.setValue(FALSE);
         this.handleEndInteraction();
+
+        const velocity =
+          gestureDirection === 'vertical' ||
+          gestureDirection === 'vertical-inverted'
+            ? nativeEvent.velocityY
+            : nativeEvent.velocityX;
+
+        this.animate({ closing: this.props.closing, velocity });
+
         onGestureCanceled?.();
         break;
+      }
       case GestureState.END: {
         this.isSwiping.setValue(FALSE);
 
@@ -272,9 +282,11 @@ export default class Card extends React.Component<Props> {
         }
 
         const closing =
-          translation + velocity * gestureVelocityImpact > distance / 2
+          (translation + velocity * gestureVelocityImpact) *
+            getInvertedMultiplier(gestureDirection) >
+          distance / 2
             ? velocity !== 0 || translation !== 0
-            : false;
+            : this.props.closing;
 
         this.animate({ closing, velocity });
 
@@ -478,7 +490,7 @@ export default class Card extends React.Component<Props> {
       <CardAnimationContext.Provider value={animationContext}>
         <View pointerEvents="box-none" {...rest}>
           {overlayEnabled ? (
-            <View style={StyleSheet.absoluteFill}>
+            <View pointerEvents="box-none" style={StyleSheet.absoluteFill}>
               {overlay({ style: overlayStyle })}
             </View>
           ) : null}
@@ -505,6 +517,7 @@ export default class Card extends React.Component<Props> {
                         : gestureDirection === 'vertical'
                         ? [styles.shadowVertical, styles.shadowTop]
                         : [styles.shadowVertical, styles.shadowBottom],
+                      { backgroundColor },
                       shadowStyle,
                     ]}
                     pointerEvents="none"
@@ -541,7 +554,6 @@ const styles = StyleSheet.create({
   },
   shadow: {
     position: 'absolute',
-    backgroundColor: '#fff',
     shadowRadius: 5,
     shadowColor: '#000',
     shadowOpacity: 0.3,

packages/stack/src/vendor/views/Stack/CardContainer.tsx

@@ -42,7 +42,6 @@ type Props = TransitionPreset & {
     closing: boolean
   ) => void;
   onTransitionEnd?: (props: { route: Route<string> }, closing: boolean) => void;
-  onTransitionComplete: (props: { route: Route<string> }) => void;
   onPageChangeStart?: () => void;
   onPageChangeConfirm?: () => void;
   onPageChangeCancel?: () => void;
@@ -90,7 +89,6 @@ function CardContainer({
   layout,
   onCloseRoute,
   onOpenRoute,
-  onTransitionComplete,
   onPageChangeCancel,
   onPageChangeConfirm,
   onPageChangeStart,
@@ -160,9 +158,6 @@ function CardContainer({
     };
   }, [pointerEvents, scene.progress.next]);
 
-  // eslint-disable-next-line react-hooks/exhaustive-deps
-  React.useEffect(() => onTransitionComplete({ route: scene.route }), []);
-
   return (
     <Card
       index={index}

packages/stack/src/vendor/views/Stack/CardStack.tsx

@@ -1,17 +1,15 @@
 import * as React from 'react';
 import {
   Animated,
-  View,
   StyleSheet,
   LayoutChangeEvent,
   Dimensions,
   Platform,
-  ViewProps,
 } from 'react-native';
 import { EdgeInsets } from 'react-native-safe-area-context';
-import { ScreenContainer, Screen, screensEnabled } from 'react-native-screens'; // Import with * as to prevent getters being called
 import { NavigationState as StackNavigationState } from 'react-navigation';
 
+import { MaybeScreenContainer, MaybeScreen } from '../Screens';
 import { getDefaultHeaderHeight } from '../Header/HeaderSegment';
 import { Props as HeaderContainerProps } from '../Header/HeaderContainer';
 import CardContainer from './CardContainer';
@@ -54,7 +52,6 @@ type Props = {
   renderHeader: (props: HeaderContainerProps) => React.ReactNode;
   renderScene: (props: { route: Route<string> }) => React.ReactNode;
   headerMode: StackHeaderMode;
-  onTransitionComplete: (props: { route: Route<string> }) => void;
   onTransitionStart: (
     props: { route: Route<string> },
     closing: boolean
@@ -76,40 +73,6 @@ type State = {
 
 const EPSILON = 0.01;
 
-const dimensions = Dimensions.get('window');
-const layout = { width: dimensions.width, height: dimensions.height };
-
-const MaybeScreenContainer = ({
-  enabled,
-  ...rest
-}: ViewProps & {
-  enabled: boolean;
-  children: React.ReactNode;
-}) => {
-  if (enabled && screensEnabled()) {
-    return <ScreenContainer {...rest} />;
-  }
-
-  return <View {...rest} />;
-};
-
-const MaybeScreen = ({
-  enabled,
-  active,
-  ...rest
-}: ViewProps & {
-  enabled: boolean;
-  active: number | Animated.AnimatedInterpolation;
-  children: React.ReactNode;
-}) => {
-  if (enabled && screensEnabled()) {
-    // @ts-ignore
-    return <Screen active={active} {...rest} />;
-  }
-
-  return <View {...rest} />;
-};
-
 const FALLBACK_DESCRIPTOR = Object.freeze({ options: {} });
 
 const getHeaderHeights = (
@@ -161,7 +124,16 @@ const getProgressFromGesture = (
   layout: Layout,
   descriptor?: StackDescriptor
 ) => {
-  const distance = getDistanceFromOptions(mode, layout, descriptor);
+  const distance = getDistanceFromOptions(
+    mode,
+    {
+      // Make sure that we have a non-zero distance, otherwise there will be incorrect progress
+      // This causes blank screen on web if it was previously inside container with display: none
+      width: Math.max(1, layout.width),
+      height: Math.max(1, layout.height),
+    },
+    descriptor
+  );
 
   if (distance > 0) {
     return gesture.interpolate({
@@ -291,19 +263,25 @@ export default class CardStack extends React.Component<Props, State> {
     };
   }
 
-  state: State = {
-    routes: [],
-    scenes: [],
-    gestures: {},
-    layout,
-    descriptors: this.props.descriptors,
-    // Used when card's header is null and mode is float to make transition
-    // between screens with headers and those without headers smooth.
-    // This is not a great heuristic here. We don't know synchronously
-    // on mount what the header height is so we have just used the most
-    // common cases here.
-    headerHeights: {},
-  };
+  constructor(props: Props) {
+    super(props);
+
+    const { height = 0, width = 0 } = Dimensions.get('window');
+
+    this.state = {
+      routes: [],
+      scenes: [],
+      gestures: {},
+      layout: { height, width },
+      descriptors: this.props.descriptors,
+      // Used when card's header is null and mode is float to make transition
+      // between screens with headers and those without headers smooth.
+      // This is not a great heuristic here. We don't know synchronously
+      // on mount what the header height is so we have just used the most
+      // common cases here.
+      headerHeights: {},
+    };
+  }
 
   private handleLayout = (e: LayoutChangeEvent) => {
     const { height, width } = e.nativeEvent.layout;
@@ -372,7 +350,6 @@ export default class CardStack extends React.Component<Props, State> {
       renderHeader,
       renderScene,
       headerMode,
-      onTransitionComplete,
       onTransitionStart,
       onTransitionEnd,
       onPageChangeStart,
@@ -403,7 +380,7 @@ export default class CardStack extends React.Component<Props, State> {
       left = insets.left,
     } = focusedOptions.safeAreaInsets || {};
 
-    // Screens is buggy on iOS, so we don't enable it there
+    // Screens is buggy on iOS and web, so we only enable it on Android
     // For modals, usually we want the screen underneath to be visible, so also disable it there
     const isScreensEnabled = Platform.OS !== 'ios' && mode !== 'modal';
 
@@ -550,7 +527,6 @@ export default class CardStack extends React.Component<Props, State> {
                   renderScene={renderScene}
                   onOpenRoute={onOpenRoute}
                   onCloseRoute={onCloseRoute}
-                  onTransitionComplete={onTransitionComplete}
                   onTransitionStart={onTransitionStart}
                   onTransitionEnd={onTransitionEnd}
                   gestureEnabled={index !== 0 && getGesturesEnabled({ route })}

packages/stack/src/vendor/views/Stack/StackView.tsx

@@ -5,6 +5,7 @@ import { GestureHandlerRootView } from 'react-native-gesture-handler';
 import {
   StackActions,
   NavigationState as StackNavigationState,
+  NavigationActions,
   SceneView,
 } from 'react-navigation';
 
@@ -48,31 +49,63 @@ type State = {
 
 const GestureHandlerWrapper = GestureHandlerRootView ?? View;
 
+/**
+ * Compare two arrays with primitive values as the content.
+ * We need to make sure that both values and order match.
+ */
+const isArrayEqual = (a: any[], b: any[]) =>
+  a.length === b.length && a.every((it, index) => it === b[index]);
+
 export default class StackView extends React.Component<Props, State> {
   static getDerivedStateFromProps(
     props: Readonly<Props>,
     state: Readonly<State>
   ) {
     // If there was no change in routes, we don't need to compute anything
-    if (props.state.routes === state.previousRoutes && state.routes.length) {
-      if (props.descriptors !== state.previousDescriptors) {
-        const descriptors = state.routes.reduce<StackDescriptorMap>(
-          (acc, route) => {
-            acc[route.key] =
-              props.descriptors[route.key] || state.descriptors[route.key];
+    if (
+      (props.state.routes === state.previousRoutes ||
+        isArrayEqual(
+          props.state.routes.map((r) => r.key),
+          state.previousRoutes.map((r) => r.key)
+        )) &&
+      state.routes.length
+    ) {
+      let routes = state.routes;
+      let previousRoutes = state.previousRoutes;
+      let descriptors = props.descriptors;
+      let previousDescriptors = state.previousDescriptors;
 
+      if (props.descriptors !== state.previousDescriptors) {
+        descriptors = state.routes.reduce<StackDescriptorMap>((acc, route) => {
+          acc[route.key] =
+            props.descriptors[route.key] || state.descriptors[route.key];
+
+          return acc;
+        }, {});
+
+        previousDescriptors = props.descriptors;
+      }
+
+      if (props.state.routes !== state.previousRoutes) {
+        // if any route objects have changed, we should update them
+        const map = props.state.routes.reduce<Record<string, Route<string>>>(
+          (acc, route) => {
+            acc[route.key] = route;
             return acc;
           },
           {}
         );
 
-        return {
-          previousDescriptors: props.descriptors,
-          descriptors,
-        };
+        routes = state.routes.map((route) => map[route.key] || route);
+        previousRoutes = props.state.routes;
       }
 
-      return null;
+      return {
+        routes,
+        previousRoutes,
+        descriptors,
+        previousDescriptors,
+      };
     }
 
     // Here we determine which routes were added or removed to animate them
@@ -117,7 +150,7 @@ export default class StackView extends React.Component<Props, State> {
       // We only need to animate routes if the focused route changed
       // Animating previous routes won't be visible coz the focused route is on top of everything
 
-      if (!previousRoutes.find(r => r.key === nextFocusedRoute.key)) {
+      if (!previousRoutes.some((r) => r.key === nextFocusedRoute.key)) {
         // A new route has come to the focus, we treat this as a push
         // A replace can also trigger this, the animation should look like push
 
@@ -130,17 +163,17 @@ export default class StackView extends React.Component<Props, State> {
           openingRouteKeys = [...openingRouteKeys, nextFocusedRoute.key];
 
           closingRouteKeys = closingRouteKeys.filter(
-            key => key !== nextFocusedRoute.key
+            (key) => key !== nextFocusedRoute.key
           );
           replacingRouteKeys = replacingRouteKeys.filter(
-            key => key !== nextFocusedRoute.key
+            (key) => key !== nextFocusedRoute.key
           );
 
-          if (!routes.find(r => r.key === previousFocusedRoute.key)) {
+          if (!routes.some((r) => r.key === previousFocusedRoute.key)) {
             // The previous focused route isn't present in state, we treat this as a replace
 
             openingRouteKeys = openingRouteKeys.filter(
-              key => key !== previousFocusedRoute.key
+              (key) => key !== previousFocusedRoute.key
             );
 
             if (getAnimationTypeForReplace(nextFocusedRoute.key) === 'pop') {
@@ -153,7 +186,7 @@ export default class StackView extends React.Component<Props, State> {
               // But since user configured it to animate the old screen like a pop, we need to add this without animation
               // So remove it from `openingRouteKeys` which will remove the animation
               openingRouteKeys = openingRouteKeys.filter(
-                key => key !== nextFocusedRoute.key
+                (key) => key !== nextFocusedRoute.key
               );
 
               // Keep the route being removed at the end to animate it out
@@ -165,7 +198,7 @@ export default class StackView extends React.Component<Props, State> {
               ];
 
               closingRouteKeys = closingRouteKeys.filter(
-                key => key !== previousFocusedRoute.key
+                (key) => key !== previousFocusedRoute.key
               );
 
               // Keep the old route in the state because it's visible under the new route, and removing it will feel abrupt
@@ -176,7 +209,7 @@ export default class StackView extends React.Component<Props, State> {
             }
           }
         }
-      } else if (!routes.find(r => r.key === previousFocusedRoute.key)) {
+      } else if (!routes.some((r) => r.key === previousFocusedRoute.key)) {
         // The previously focused route was removed, we treat this as a pop
 
         if (
@@ -188,10 +221,10 @@ export default class StackView extends React.Component<Props, State> {
           // Sometimes a route can be closed before the opening animation finishes
           // So we also need to remove it from the opening list
           openingRouteKeys = openingRouteKeys.filter(
-            key => key !== previousFocusedRoute.key
+            (key) => key !== previousFocusedRoute.key
           );
           replacingRouteKeys = replacingRouteKeys.filter(
-            key => key !== previousFocusedRoute.key
+            (key) => key !== previousFocusedRoute.key
           );
 
           // Keep a copy of route being removed in the state to be able to animate it
@@ -273,13 +306,13 @@ export default class StackView extends React.Component<Props, State> {
   private getPreviousRoute = ({ route }: { route: Route<string> }) => {
     const { closingRouteKeys, replacingRouteKeys } = this.state;
     const routes = this.state.routes.filter(
-      r =>
+      (r) =>
         r.key === route.key ||
         (!closingRouteKeys.includes(r.key) &&
           !replacingRouteKeys.includes(r.key))
     );
 
-    const index = routes.findIndex(r => r.key === route.key);
+    const index = routes.findIndex((r) => r.key === route.key);
 
     return routes[index - 1];
   };
@@ -308,57 +341,66 @@ export default class StackView extends React.Component<Props, State> {
     return <HeaderContainer {...props} />;
   };
 
-  private handleTransitionComplete = ({ route }: { route: Route<string> }) => {
+  private handleTransitionComplete = () => {
     const { state, navigation } = this.props;
 
     if (state.isTransitioning) {
       navigation.dispatch(
         StackActions.completeTransition({
           key: navigation.state.key,
-          toChildKey: route.key,
+          toChildKey: state.routes[state.index].key,
         })
       );
     }
   };
 
   private handleOpenRoute = ({ route }: { route: Route<string> }) => {
-    this.handleTransitionComplete({ route });
-    this.setState(state => ({
-      routes: state.replacingRouteKeys.length
-        ? state.routes.filter(r => !state.replacingRouteKeys.includes(r.key))
-        : state.routes,
-      openingRouteKeys: state.openingRouteKeys.filter(key => key !== route.key),
-      closingRouteKeys: state.closingRouteKeys.filter(key => key !== route.key),
-      replacingRouteKeys: [],
-    }));
+    const { state, navigation } = this.props;
+
+    this.handleTransitionComplete();
+
+    if (!state.routes.some((r) => r.key === route.key)) {
+      // If route isn't present in current state, assume that a close animation was cancelled
+      // So we need to add this route back to the state
+      navigation.dispatch(NavigationActions.navigate(route));
+    } else {
+      this.setState((state) => ({
+        routes: state.replacingRouteKeys.length
+          ? state.routes.filter(
+              (r) => !state.replacingRouteKeys.includes(r.key)
+            )
+          : state.routes,
+        openingRouteKeys: state.openingRouteKeys.filter(
+          (key) => key !== route.key
+        ),
+        closingRouteKeys: state.closingRouteKeys.filter(
+          (key) => key !== route.key
+        ),
+        replacingRouteKeys: [],
+      }));
+    }
   };
 
   private handleCloseRoute = ({ route }: { route: Route<string> }) => {
     const { state, navigation } = this.props;
 
-    if (state.routes.find(r => r.key === route.key)) {
+    if (state.routes.some((r) => r.key === route.key)) {
       // If a route exists in state, trigger a pop
       // This will happen in when the route was closed from the card component
       // e.g. When the close animation triggered from a gesture ends
       // @ts-ignore
       navigation.dispatch(StackActions.pop({ key: route.key, prune: false }));
     } else {
-      // While closing route we need to point to the previous one assuming that
-      // this previous one in routes array
-      const index = this.state.routes.findIndex(r => r.key === route.key);
-
-      this.handleTransitionComplete({
-        route: this.state.routes[Math.max(index - 1, 0)],
-      });
+      this.handleTransitionComplete();
 
       // We need to clean up any state tracking the route and pop it immediately
-      this.setState(state => ({
-        routes: state.routes.filter(r => r.key !== route.key),
+      this.setState((state) => ({
+        routes: state.routes.filter((r) => r.key !== route.key),
         openingRouteKeys: state.openingRouteKeys.filter(
-          key => key !== route.key
+          (key) => key !== route.key
         ),
         closingRouteKeys: state.closingRouteKeys.filter(
-          key => key !== route.key
+          (key) => key !== route.key
         ),
       }));
     }
@@ -410,9 +452,9 @@ export default class StackView extends React.Component<Props, State> {
       <GestureHandlerWrapper style={styles.container}>
         <SafeAreaProviderCompat>
           <SafeAreaConsumer>
-            {insets => (
+            {(insets) => (
               <KeyboardManager enabled={keyboardHandlingEnabled !== false}>
-                {props => (
+                {(props) => (
                   <CardStack
                     mode={mode}
                     insets={insets as EdgeInsets}
@@ -423,7 +465,6 @@ export default class StackView extends React.Component<Props, State> {
                     closingRouteKeys={closingRouteKeys}
                     onOpenRoute={this.handleOpenRoute}
                     onCloseRoute={this.handleCloseRoute}
-                    onTransitionComplete={this.handleTransitionComplete}
                     onTransitionStart={this.handleTransitionStart}
                     onTransitionEnd={this.handleTransitionEnd}
                     renderHeader={this.renderHeader}

packages/tabs/CHANGELOG.md

@@ -3,6 +3,84 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [2.8.12](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.11...react-navigation-tabs@2.8.12) (2020-04-22)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.11](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.10...react-navigation-tabs@2.8.11) (2020-04-02)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.10](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.9...react-navigation-tabs@2.8.10) (2020-03-31)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.9](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.7...react-navigation-tabs@2.8.9) (2020-03-28)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.8](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.7...react-navigation-tabs@2.8.8) (2020-03-27)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.7](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.6...react-navigation-tabs@2.8.7) (2020-03-22)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.6](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.5...react-navigation-tabs@2.8.6) (2020-03-20)
+
+**Note:** Version bump only for package react-navigation-tabs
+
+
+
+
+
+## [2.8.5](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.4...react-navigation-tabs@2.8.5) (2020-03-19)
+
+
+### Bug Fixes
+
+* don't use react-native-screens on web ([44c3900](https://github.com/react-navigation/tabs/commit/44c390075f7b76664e09fd9a1a7926645133ebec)), closes [#7485](https://github.com/react-navigation/tabs/issues/7485)
+
+
+
+
+
+## [2.8.4](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.3...react-navigation-tabs@2.8.4) (2020-03-16)
+
+
+### Bug Fixes
+
+* downgrade react-native-safe-area-view ([cfc1bac](https://github.com/react-navigation/tabs/commit/cfc1bac4e153db4a4ba3f2a9033f77b53367fcbc)), closes [#7813](https://github.com/react-navigation/tabs/issues/7813)
+
+
+
+
+
 ## [2.8.3](https://github.com/react-navigation/tabs/compare/react-navigation-tabs@2.8.2...react-navigation-tabs@2.8.3) (2020-03-16)
 
 **Note:** Version bump only for package react-navigation-tabs

packages/tabs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-tabs",
-  "version": "2.8.3",
+  "version": "2.8.12",
   "description": "Tab Navigation components for React Navigation",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
@@ -42,7 +42,7 @@
   "dependencies": {
     "hoist-non-react-statics": "^3.3.2",
     "react-lifecycles-compat": "^3.0.4",
-    "react-native-safe-area-view": "^1.0.0",
+    "react-native-safe-area-view": "^0.14.9",
     "react-native-tab-view": "^2.11.0"
   },
   "devDependencies": {
@@ -56,8 +56,8 @@
     "react-native-gesture-handler": "^1.6.0",
     "react-native-reanimated": "^1.2.0",
     "react-native-tab-view": "^2.13.0",
-    "react-navigation": "^4.3.0",
-    "typescript": "~3.7.5"
+    "react-navigation": "^4.3.8",
+    "typescript": "~3.8.3"
   },
   "peerDependencies": {
     "react": "*",

packages/tabs/src/navigators/createBottomTabNavigator.tsx

@@ -131,7 +131,9 @@ class TabNavigationView extends React.PureComponent<Props, State> {
   _jumpTo = (key: string) => {
     const { navigation, onIndexChange } = this.props;
 
-    const index = navigation.state.routes.findIndex(route => route.key === key);
+    const index = navigation.state.routes.findIndex(
+      (route) => route.key === key
+    );
 
     onIndexChange(index);
   };

packages/tabs/src/navigators/createMaterialTopTabNavigator.tsx

@@ -134,12 +134,12 @@ class MaterialTabView extends React.PureComponent<Props> {
         renderTabBar={this.renderTabBar}
         renderLazyPlaceholder={
           lazyPlaceholderComponent !== undefined
-            ? props => React.createElement(lazyPlaceholderComponent, props)
+            ? (props) => React.createElement(lazyPlaceholderComponent, props)
             : undefined
         }
         renderPager={
           pagerComponent !== undefined
-            ? props => React.createElement(pagerComponent, props)
+            ? (props) => React.createElement(pagerComponent, props)
             : undefined
         }
       />

packages/tabs/src/views/ResourceSavingScene.tsx

@@ -1,6 +1,5 @@
 import * as React from 'react';
 import { Platform, StyleSheet, View } from 'react-native';
-
 import { Screen, screensEnabled } from 'react-native-screens';
 
 type Props = {
@@ -9,12 +8,14 @@ type Props = {
   style?: any;
 };
 
-const FAR_FAR_AWAY = 3000; // this should be big enough to move the whole view out of its container
+const FAR_FAR_AWAY = 30000; // this should be big enough to move the whole view out of its container
 
 export default class ResourceSavingScene extends React.Component<Props> {
   render() {
-    if (screensEnabled?.()) {
+    // react-native-screens is buggy on web
+    if (screensEnabled?.() && Platform.OS !== 'web') {
       const { isVisible, ...rest } = this.props;
+
       // @ts-ignore
       return <Screen active={isVisible ? 1 : 0} {...rest} />;
     }
@@ -23,7 +24,13 @@ export default class ResourceSavingScene extends React.Component<Props> {
 
     return (
       <View
-        style={[styles.container, style, { opacity: isVisible ? 1 : 0 }]}
+        style={[
+          styles.container,
+          Platform.OS === 'web'
+            ? { display: isVisible ? 'flex' : 'none' }
+            : null,
+          style,
+        ]}
         collapsable={false}
         removeClippedSubviews={
           // On iOS, set removeClippedSubviews to true only when not focused

scripts/check-types-path.js

@@ -9,7 +9,7 @@ const packages = path.join(__dirname, '..', 'packages');
 
 const invalid = [];
 
-fs.readdirSync(packages).forEach(name => {
+fs.readdirSync(packages).forEach((name) => {
   const dir = path.join(packages, name);
 
   if (fs.statSync(path.join(packages, name)).isDirectory()) {
@@ -26,6 +26,6 @@ fs.readdirSync(packages).forEach(name => {
 if (invalid.length) {
   console.log(
     'Found invalid path to type definitions in the following packages:\n',
-    invalid.map(p => `- ${p.name} (${p.types})`).join('\n')
+    invalid.map((p) => `- ${p.name} (${p.types})`).join('\n')
   );
 }