214 lines
9.2 KiB
JavaScript
214 lines
9.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.BottomTabView = BottomTabView;
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var _elements = require("@react-navigation/elements");
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var React = _interopRequireWildcard(require("react"));
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var _reactNative = require("react-native");
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var _reactNativeSafeAreaContext = require("react-native-safe-area-context");
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var _BottomTabBarHeightCallbackContext = require("../utils/BottomTabBarHeightCallbackContext");
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var _BottomTabBarHeightContext = require("../utils/BottomTabBarHeightContext");
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var _useAnimatedHashMap = require("../utils/useAnimatedHashMap");
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var _BottomTabBar = require("./BottomTabBar");
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var _ScreenFallback = require("./ScreenFallback");
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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); }
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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; }
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function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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var CompositeAnimation = _reactNative.Animated.CompositeAnimation;
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const EPSILON = 1e-5;
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const STATE_INACTIVE = 0;
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const STATE_TRANSITIONING_OR_BELOW_TOP = 1;
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const STATE_ON_TOP = 2;
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const hasAnimation = options => {
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const {
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animationEnabled,
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transitionSpec
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} = options;
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if (animationEnabled === false || !transitionSpec) {
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return false;
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}
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return true;
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};
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function BottomTabView(props) {
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const {
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tabBar = props => /*#__PURE__*/React.createElement(_BottomTabBar.BottomTabBar, props),
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state,
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navigation,
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descriptors,
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safeAreaInsets,
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detachInactiveScreens = _reactNative.Platform.OS === 'web' || _reactNative.Platform.OS === 'android' || _reactNative.Platform.OS === 'ios',
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sceneContainerStyle
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} = props;
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const focusedRouteKey = state.routes[state.index].key;
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/**
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* List of loaded tabs, tabs will be loaded when navigated to.
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*/
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const [loaded, setLoaded] = React.useState([focusedRouteKey]);
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if (!loaded.includes(focusedRouteKey)) {
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// Set the current tab to be loaded if it was not loaded before
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setLoaded([...loaded, focusedRouteKey]);
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}
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const tabAnims = (0, _useAnimatedHashMap.useAnimatedHashMap)(state);
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React.useEffect(() => {
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const animateToIndex = () => {
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_reactNative.Animated.parallel(state.routes.map((route, index) => {
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const {
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options
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} = descriptors[route.key];
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const {
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transitionSpec
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} = options;
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const animationEnabled = hasAnimation(options);
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const toValue = index === state.index ? 0 : index >= state.index ? 1 : -1;
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if (!animationEnabled || !transitionSpec) {
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return _reactNative.Animated.timing(tabAnims[route.key], {
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toValue,
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duration: 0,
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useNativeDriver: true
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});
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}
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return _reactNative.Animated[transitionSpec.animation](tabAnims[route.key], {
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...transitionSpec.config,
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toValue,
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useNativeDriver: true
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});
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}).filter(Boolean)).start();
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};
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animateToIndex();
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}, [descriptors, state.index, state.routes, tabAnims]);
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const dimensions = _elements.SafeAreaProviderCompat.initialMetrics.frame;
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const [tabBarHeight, setTabBarHeight] = React.useState(() => (0, _BottomTabBar.getTabBarHeight)({
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state,
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descriptors,
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dimensions,
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layout: {
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width: dimensions.width,
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height: 0
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},
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insets: {
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..._elements.SafeAreaProviderCompat.initialMetrics.insets,
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...props.safeAreaInsets
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},
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style: descriptors[state.routes[state.index].key].options.tabBarStyle
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}));
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const renderTabBar = () => {
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return /*#__PURE__*/React.createElement(_reactNativeSafeAreaContext.SafeAreaInsetsContext.Consumer, null, insets => tabBar({
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state: state,
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descriptors: descriptors,
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navigation: navigation,
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insets: {
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top: (safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.top) ?? (insets === null || insets === void 0 ? void 0 : insets.top) ?? 0,
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right: (safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.right) ?? (insets === null || insets === void 0 ? void 0 : insets.right) ?? 0,
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bottom: (safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.bottom) ?? (insets === null || insets === void 0 ? void 0 : insets.bottom) ?? 0,
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left: (safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.left) ?? (insets === null || insets === void 0 ? void 0 : insets.left) ?? 0
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}
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}));
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};
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const {
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routes
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} = state;
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// If there is no animation, we only have 2 states: visible and invisible
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const hasTwoStates = !routes.some(route => hasAnimation(descriptors[route.key].options));
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const {
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tabBarPosition = 'bottom'
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} = descriptors[focusedRouteKey].options;
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return /*#__PURE__*/React.createElement(_elements.SafeAreaProviderCompat, {
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style: tabBarPosition === 'left' ? styles.left : tabBarPosition === 'right' ? styles.right : null
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}, /*#__PURE__*/React.createElement(_ScreenFallback.MaybeScreenContainer, {
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enabled: detachInactiveScreens,
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hasTwoStates: hasTwoStates,
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style: styles.screens
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}, routes.map((route, index) => {
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const descriptor = descriptors[route.key];
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const {
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lazy = true,
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unmountOnBlur,
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sceneStyleInterpolator
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} = descriptor.options;
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const isFocused = state.index === index;
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if (unmountOnBlur && !isFocused) {
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return null;
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}
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if (lazy && !loaded.includes(route.key) && !isFocused) {
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// Don't render a lazy screen if we've never navigated to it
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return null;
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}
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const {
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freezeOnBlur,
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header = _ref => {
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let {
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layout,
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options
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} = _ref;
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return /*#__PURE__*/React.createElement(_elements.Header, _extends({}, options, {
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layout: layout,
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title: (0, _elements.getHeaderTitle)(options, route.name)
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}));
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},
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headerShown,
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headerStatusBarHeight,
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headerTransparent
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} = descriptor.options;
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const {
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sceneStyle
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} = (sceneStyleInterpolator === null || sceneStyleInterpolator === void 0 ? void 0 : sceneStyleInterpolator({
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current: tabAnims[route.key]
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})) ?? {};
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const animationEnabled = hasAnimation(descriptor.options);
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const activityState = isFocused ? STATE_ON_TOP // the screen is on top after the transition
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: animationEnabled // is animation is not enabled, immediately move to inactive state
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? tabAnims[route.key].interpolate({
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inputRange: [0, 1 - EPSILON, 1],
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outputRange: [STATE_TRANSITIONING_OR_BELOW_TOP,
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// screen visible during transition
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STATE_TRANSITIONING_OR_BELOW_TOP, STATE_INACTIVE // the screen is detached after transition
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],
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extrapolate: 'extend'
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}) : STATE_INACTIVE;
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return /*#__PURE__*/React.createElement(_ScreenFallback.MaybeScreen, {
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key: route.key,
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style: [_reactNative.StyleSheet.absoluteFill, {
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zIndex: isFocused ? 0 : -1
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}],
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active: activityState,
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enabled: detachInactiveScreens,
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freezeOnBlur: freezeOnBlur
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}, /*#__PURE__*/React.createElement(_BottomTabBarHeightContext.BottomTabBarHeightContext.Provider, {
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value: tabBarPosition === 'bottom' ? tabBarHeight : 0
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}, /*#__PURE__*/React.createElement(_elements.Screen, {
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focused: isFocused,
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route: descriptor.route,
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navigation: descriptor.navigation,
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headerShown: headerShown,
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headerStatusBarHeight: headerStatusBarHeight,
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headerTransparent: headerTransparent,
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header: header({
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layout: dimensions,
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route: descriptor.route,
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navigation: descriptor.navigation,
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options: descriptor.options
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}),
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style: [sceneContainerStyle, animationEnabled && sceneStyle]
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}, descriptor.render())));
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})), /*#__PURE__*/React.createElement(_BottomTabBarHeightCallbackContext.BottomTabBarHeightCallbackContext.Provider, {
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value: setTabBarHeight
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}, renderTabBar()));
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}
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const styles = _reactNative.StyleSheet.create({
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left: {
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flexDirection: 'row-reverse'
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},
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right: {
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flexDirection: 'row'
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},
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screens: {
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flex: 1,
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overflow: 'hidden'
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}
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});
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//# sourceMappingURL=BottomTabView.js.map
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