text: "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = SceneView;
  
  var React = _interopRequireWildcard(require("react"));
  
  var _EnsureSingleNavigator = _interopRequireDefault(require("./EnsureSingleNavigator"));
  
  var _NavigationStateContext = _interopRequireDefault(require("./NavigationStateContext"));
  
  var _StaticContainer = _interopRequireDefault(require("./StaticContainer"));
  
  var _useOptionsGetters = _interopRequireDefault(require("./useOptionsGetters"));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
  
  function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
  
  /**
   * Component which takes care of rendering the screen for a route.
   * It provides all required contexts and applies optimizations when applicable.
   */
  function SceneView(_ref) {
    let {
      screen,
      route,
      navigation,
      routeState,
      getState,
      setState,
      options,
      clearOptions
    } = _ref;
    const navigatorKeyRef = React.useRef();
    const getKey = React.useCallback(() => navigatorKeyRef.current, []);
    const {
      addOptionsGetter
    } = (0, _useOptionsGetters.default)({
      key: route.key,
      options,
      navigation
    });
    const setKey = React.useCallback(key => {
      navigatorKeyRef.current = key;
    }, []);
    const getCurrentState = React.useCallback(() => {
      const state = getState();
      const currentRoute = state.routes.find(r => r.key === route.key);
      return currentRoute ? currentRoute.state : undefined;
    }, [getState, route.key]);
    const setCurrentState = React.useCallback(child => {
      const state = getState();
      setState({ ...state,
        routes: state.routes.map(r => r.key === route.key ? { ...r,
          state: child
        } : r)
      });
    }, [getState, route.key, setState]);
    const isInitialRef = React.useRef(true);
    React.useEffect(() => {
      isInitialRef.current = false;
    }); // Clear options set by this screen when it is unmounted
  
    React.useEffect(() => {
      return clearOptions; // eslint-disable-next-line react-hooks/exhaustive-deps
    }, []);
    const getIsInitial = React.useCallback(() => isInitialRef.current, []);
    const context = React.useMemo(() => ({
      state: routeState,
      getState: getCurrentState,
      setState: setCurrentState,
      getKey,
      setKey,
      getIsInitial,
      addOptionsGetter
    }), [routeState, getCurrentState, setCurrentState, getKey, setKey, getIsInitial, addOptionsGetter]);
    const ScreenComponent = screen.getComponent ? screen.getComponent() : screen.component;
    return /*#__PURE__*/React.createElement(_NavigationStateContext.default.Provider, {
      value: context
    }, /*#__PURE__*/React.createElement(_EnsureSingleNavigator.default, null, /*#__PURE__*/React.createElement(_StaticContainer.default, {
      name: screen.name,
      render: ScreenComponent || screen.children,
      navigation: navigation,
      route: route
    }, ScreenComponent !== undefined ? /*#__PURE__*/React.createElement(ScreenComponent, {
      navigation: navigation,
      route: route
    }) : screen.children !== undefined ? screen.children({
      navigation,
      route
    }) : null)));
  }
  //# sourceMappingURL=SceneView.js.map