chore: publish

- react-navigation-animated-switch@0.5.8
 - @react-navigation/core@3.7.3
 - react-navigation-drawer@2.4.9
 - react-navigation-material-bottom-tabs@2.2.8
 - @react-navigation/native@3.7.9
 - react-navigation@4.3.5
 - react-navigation-stack@2.3.9
 - react-navigation-tabs@2.8.9

package.json

@@ -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",

packages/animated-switch/CHANGELOG.md

@@ -3,6 +3,22 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/animated-switch/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-animated-switch",
-  "version": "0.5.6",
+  "version": "0.5.8",
   "description": "Animated switch for React Navigation",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -28,7 +28,7 @@
     "react": "~16.9.0",
     "react-native": "~0.61.5",
     "react-native-reanimated": "~1.7.0",
-    "react-navigation": "^4.3.3",
+    "react-navigation": "^4.3.5",
     "typescript": "~3.7.5"
   },
   "peerDependencies": {

packages/core/CHANGELOG.md

@@ -3,6 +3,32 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-navigation/core",
-  "version": "3.7.1",
+  "version": "3.7.3",
   "description": "Core utilities for the react-navigation framework",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",

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/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

@@ -1,7 +1,7 @@
-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 params = route.params;
@@ -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,
@@ -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/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/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/StackRouter.js

@@ -536,18 +536,21 @@ export default (routeConfigs, stackConfig = {}) => {
 
         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));
 
-          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;

packages/core/src/views/NavigationFocusEvents.js

@@ -0,0 +1,342 @@
+// @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
+    );
+  }
+
+  componentWillUnmount() {
+    this._actionSubscription?.remove();
+    this._willFocusSubscription?.remove();
+    this._willBlurSubscription?.remove();
+    this._didFocusSubscription?.remove();
+    this._didBlurSubscription?.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 {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,
+        });
+      }
+    }
+  };
+
+  /**
+   * @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/withNavigationFocus.js

@@ -8,25 +8,25 @@ export default function withNavigationFocus(Component) {
       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 +3,22 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/drawer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-drawer",
-  "version": "2.4.7",
+  "version": "2.4.9",
   "description": "Drawer navigator component for React Navigation",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -49,7 +49,7 @@
     "react-native-reanimated": "^1.2.0",
     "react-native-screens": "^2.3.0",
     "react-native-testing-library": "^1.12.0",
-    "react-navigation": "^4.3.3",
+    "react-navigation": "^4.3.5",
     "typescript": "~3.7.5"
   },
   "peerDependencies": {

packages/material-bottom-tabs/CHANGELOG.md

@@ -3,6 +3,22 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/material-bottom-tabs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-material-bottom-tabs",
-  "version": "2.2.6",
+  "version": "2.2.8",
   "description": "Material Bottom Tab Navigation component for React Navigation",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
@@ -48,7 +48,7 @@
     "react-native-gesture-handler": "^1.6.0",
     "react-native-paper": "^3.1.1",
     "react-native-reanimated": "^1.2.0",
-    "react-navigation": "^4.3.3",
+    "react-navigation": "^4.3.5",
     "typescript": "~3.7.5"
   },
   "peerDependencies": {

packages/native/CHANGELOG.md

@@ -3,6 +3,28 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/native/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-navigation/native",
-  "version": "3.7.7",
+  "version": "3.7.9",
   "description": "React Native support for React Navigation",
   "main": "lib/commonjs/index.js",
   "react-native": "lib/module/index.js",
@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@react-native-community/bob": "^0.10.0",
-    "@react-navigation/core": "^3.7.1",
+    "@react-navigation/core": "^3.7.3",
     "@types/react-test-renderer": "^16.9.2",
     "del-cli": "^3.0.0",
     "react": "~16.9.0",

packages/native/src/createNavigationAwareScrollable.js

@@ -4,7 +4,7 @@ import { withNavigation } from '@react-navigation/core';
 
 export default function createNavigationAwareScrollable(Component) {
   const ComponentWithNavigationScrolling = withNavigation(
-    class extends React.PureComponent<any> {
+    class extends React.PureComponent {
       static displayName = `withNavigationScrolling(${
         Component.displayName || Component.name
       })`;
@@ -60,7 +60,7 @@ export default function createNavigationAwareScrollable(Component) {
     }
   );
 
-  class NavigationAwareScrollable extends React.PureComponent<any> {
+  class NavigationAwareScrollable extends React.PureComponent {
     static displayName = `NavigationAwareScrollable(${
       Component.displayName || Component.name
     })`;

packages/react-navigation/CHANGELOG.md

@@ -3,6 +3,22 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/react-navigation/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation",
-  "version": "4.3.3",
+  "version": "4.3.5",
   "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": "^3.7.1",
-    "@react-navigation/native": "^3.7.7"
+    "@react-navigation/core": "^3.7.3",
+    "@react-navigation/native": "^3.7.9"
   },
   "devDependencies": {
     "@types/react": "^16.9.23",

packages/stack/CHANGELOG.md

@@ -3,6 +3,45 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/stack/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-stack",
-  "version": "2.3.5",
+  "version": "2.3.9",
   "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": "^5.2.4",
+    "@react-navigation/stack": "^5.2.8",
     "@types/color": "^3.0.1",
     "@types/react": "^16.9.23",
     "@types/react-native": "^0.61.22",
@@ -56,7 +56,7 @@
     "react-native-gesture-handler": "^1.6.0",
     "react-native-safe-area-context": "^0.7.3",
     "react-native-screens": "^2.3.0",
-    "react-navigation": "^4.3.3",
+    "react-navigation": "^4.3.5",
     "react-test-renderer": "~16.9.0",
     "typescript": "~3.7.5"
   },

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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/index.tsx	2020-03-23 00:04:37.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/index.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/index.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -3,11 +3,6 @@
  import * as TransitionSpecs from './TransitionConfigs/TransitionSpecs';
  import * as TransitionPresets from './TransitionConfigs/TransitionPresets';
@@ -28,7 +28,7 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/index.tsx src/vendor/i
    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	2020-03-23 00:04:17.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/navigators/createStackNavigator.tsx	2020-03-23 11:43:17.000000000 +0100
 +++ src/vendor/navigators/createStackNavigator.tsx	1970-01-01 01:00:00.000000000 +0100
 @@ -1,81 +0,0 @@
 -import * as React from 'react';
@@ -113,8 +113,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/types.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/types.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/types.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -8,14 +8,28 @@
  } from 'react-native';
  import { EdgeInsets } from 'react-native-safe-area-context';
@@ -240,8 +240,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Header/Header.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/Header.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Header/Header.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -1,12 +1,14 @@
  import * as React from 'react';
 -import { StackActions } from '@react-navigation/native';
@@ -321,8 +321,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Header/HeaderBackButton.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackButton.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Header/HeaderBackButton.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -8,9 +8,9 @@
    StyleSheet,
    LayoutChangeEvent,
@@ -335,8 +335,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Header/HeaderBackground.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderBackground.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Header/HeaderBackground.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -1,6 +1,6 @@
  import * as React from 'react';
  import { Animated, StyleSheet, Platform, ViewProps } from 'react-native';
@@ -346,8 +346,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Header/HeaderContainer.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderContainer.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Header/HeaderContainer.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -1,11 +1,6 @@
  import * as React from 'react';
  import { View, StyleSheet, StyleProp, ViewStyle } from 'react-native';
@@ -399,8 +399,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Header/HeaderSegment.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderSegment.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Header/HeaderSegment.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -8,7 +8,7 @@
    ViewStyle,
  } from 'react-native';
@@ -420,8 +420,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Header/HeaderTitle.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Header/HeaderTitle.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Header/HeaderTitle.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -1,6 +1,6 @@
  import * as React from 'react';
  import { Animated, StyleSheet, Platform } from 'react-native';
@@ -431,8 +431,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Stack/Card.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/Card.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Stack/Card.tsx	2020-03-23 11:43:59.000000000 +0100
 @@ -138,7 +138,7 @@
  
    private interactionHandle: number | undefined;
@@ -443,8 +443,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Stack/CardContainer.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/CardContainer.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Stack/CardContainer.tsx	2020-03-27 14:41:20.000000000 +0100
 @@ -1,10 +1,16 @@
  import * as React from 'react';
  import { Animated, View, StyleSheet, StyleProp, ViewStyle } from 'react-native';
@@ -464,33 +464,7 @@ 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
        }
@@ -500,8 +474,8 @@ 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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Stack/CardStack.tsx	2020-03-23 00:04:40.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/CardStack.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Stack/CardStack.tsx	2020-03-27 14:41:20.000000000 +0100
 @@ -9,9 +9,8 @@
    ViewProps,
  } from 'react-native';
@@ -521,33 +495,9 @@ 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
-@@ -383,6 +384,7 @@
-       renderHeader,
-       renderScene,
-       headerMode,
-+      onTransitionComplete,
-       onTransitionStart,
-       onTransitionEnd,
-       onPageChangeStart,
-@@ -560,6 +562,7 @@
-                   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	2020-03-23 00:04:17.000000000 +0100
-+++ src/vendor/views/Stack/StackView.tsx	2020-03-23 00:07:11.000000000 +0100
+--- ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.tsx	2020-03-23 11:43:17.000000000 +0100
++++ src/vendor/views/Stack/StackView.tsx	2020-03-27 14:41:20.000000000 +0100
 @@ -4,9 +4,9 @@
  import { GestureHandlerRootView } from 'react-native-gesture-handler';
  import {
@@ -676,11 +626,3 @@ diff -Naur ../../node_modules/@react-navigation/stack/src/views/Stack/StackView.
  
    render() {
      const {
-@@ -395,6 +427,7 @@
-                     closingRouteKeys={closingRouteKeys}
-                     onOpenRoute={this.handleOpenRoute}
-                     onCloseRoute={this.handleCloseRoute}
-+                    onTransitionComplete={this.handleTransitionComplete}
-                     onTransitionStart={this.handleTransitionStart}
-                     onTransitionEnd={this.handleTransitionEnd}
-                     renderHeader={this.renderHeader}

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

@@ -272,8 +272,7 @@ export default class Card extends React.Component<Props> {
         }
 
         const closing =
-          (translation + velocity) *
-            gestureVelocityImpact *
+          (translation + velocity * gestureVelocityImpact) *
             getInvertedMultiplier(gestureDirection) >
           distance / 2
             ? velocity !== 0 || translation !== 0
@@ -481,7 +480,7 @@ 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}

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

@@ -54,7 +54,6 @@ 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
@@ -384,7 +383,6 @@ export default class CardStack extends React.Component<Props, State> {
       renderHeader,
       renderScene,
       headerMode,
-      onTransitionComplete,
       onTransitionStart,
       onTransitionEnd,
       onPageChangeStart,
@@ -562,7 +560,6 @@ 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

@@ -308,21 +308,21 @@ 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.handleTransitionComplete();
     this.setState((state) => ({
       routes: state.replacingRouteKeys.length
         ? state.routes.filter((r) => !state.replacingRouteKeys.includes(r.key))
@@ -347,13 +347,7 @@ export default class StackView extends React.Component<Props, State> {
       // @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) => ({
@@ -427,7 +421,6 @@ 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 +3,22 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [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

packages/tabs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-tabs",
-  "version": "2.8.7",
+  "version": "2.8.9",
   "description": "Tab Navigation components for React Navigation",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
@@ -56,7 +56,7 @@
     "react-native-gesture-handler": "^1.6.0",
     "react-native-reanimated": "^1.2.0",
     "react-native-tab-view": "^2.13.0",
-    "react-navigation": "^4.3.3",
+    "react-navigation": "^4.3.5",
     "typescript": "~3.7.5"
   },
   "peerDependencies": {