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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| { | ||
| "name": "@navigation-ex/bottom-tabs", | ||
| "version": "0.0.1", | ||
| "main": "src/index", | ||
| "license": "MIT", | ||
| "dependencies": { | ||
| "@navigation-ex/core": "^0.0.1", | ||
| "@navigation-ex/routers": "^0.0.1", | ||
| "react-native-safe-area-view": "^0.14.6" | ||
| }, | ||
| "devDependencies": { | ||
| "@types/react": "^16.8.24", | ||
| "@types/react-native": "^0.60.2", | ||
| "react": "16.8.3", | ||
| "react-native": "^0.59.8" | ||
| }, | ||
| "peerDependencies": { | ||
| "react": "*", | ||
| "react-native": "*" | ||
| } | ||
| } |
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220 changes: 46 additions & 174 deletions
220
packages/bottom-tabs/src/navigators/createBottomTabNavigator.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,181 +1,53 @@ | ||
| import * as React from 'react'; | ||
| import { | ||
| View, | ||
| StyleSheet, | ||
| AccessibilityRole, | ||
| AccessibilityState, | ||
| } from 'react-native'; | ||
|
|
||
| // eslint-disable-next-line import/no-unresolved | ||
| import { ScreenContainer } from 'react-native-screens'; | ||
|
|
||
| import createTabNavigator, { | ||
| NavigationViewProps, | ||
| } from '../utils/createTabNavigator'; | ||
| import BottomTabBar from '../views/BottomTabBar'; | ||
| import ResourceSavingScene from '../views/ResourceSavingScene'; | ||
| useNavigationBuilder, | ||
| createNavigator, | ||
| DefaultNavigatorOptions, | ||
| } from '@navigation-ex/core'; | ||
| import { | ||
| TabRouter, | ||
| TabRouterOptions, | ||
| TabNavigationState, | ||
| } from '@navigation-ex/routers'; | ||
| import BottomTabView from '../views/BottomTabView'; | ||
| import { | ||
| NavigationProp, | ||
| Route, | ||
| SceneDescriptor, | ||
| NavigationBottomTabOptions, | ||
| BottomTabBarOptions, | ||
| BottomTabNavigationConfig, | ||
| BottomTabNavigationOptions, | ||
| } from '../types'; | ||
|
|
||
| type Props = NavigationViewProps & { | ||
| getAccessibilityRole: (props: { | ||
| route: Route; | ||
| }) => AccessibilityRole | undefined; | ||
| getAccessibilityStates: (props: { | ||
| route: Route; | ||
| focused: boolean; | ||
| }) => AccessibilityState[]; | ||
| lazy?: boolean; | ||
| tabBarComponent?: React.ComponentType<any>; | ||
| tabBarOptions?: BottomTabBarOptions; | ||
| navigation: NavigationProp; | ||
| descriptors: { [key: string]: SceneDescriptor<NavigationBottomTabOptions> }; | ||
| screenProps?: unknown; | ||
| }; | ||
|
|
||
| type State = { | ||
| loaded: number[]; | ||
| }; | ||
|
|
||
| class TabNavigationView extends React.PureComponent<Props, State> { | ||
| static defaultProps = { | ||
| lazy: true, | ||
| getAccessibilityRole: (): AccessibilityRole => 'button', | ||
| getAccessibilityStates: ({ | ||
| focused, | ||
| }: { | ||
| focused: boolean; | ||
| }): AccessibilityState[] => (focused ? ['selected'] : []), | ||
| }; | ||
|
|
||
| static getDerivedStateFromProps(nextProps: Props, prevState: State) { | ||
| const { index } = nextProps.navigation.state; | ||
|
|
||
| return { | ||
| // Set the current tab to be loaded if it was not loaded before | ||
| loaded: prevState.loaded.includes(index) | ||
| ? prevState.loaded | ||
| : [...prevState.loaded, index], | ||
| }; | ||
| } | ||
|
|
||
| state = { | ||
| loaded: [this.props.navigation.state.index], | ||
| }; | ||
|
|
||
| _getButtonComponent = ({ route }: { route: Route }) => { | ||
| const { descriptors } = this.props; | ||
| const descriptor = descriptors[route.key]; | ||
| const options = descriptor.options; | ||
|
|
||
| if (options.tabBarButtonComponent) { | ||
| return options.tabBarButtonComponent; | ||
| } | ||
|
|
||
| return undefined; | ||
| }; | ||
|
|
||
| _renderTabBar = () => { | ||
| const { | ||
| tabBarComponent: TabBarComponent = BottomTabBar, | ||
| tabBarOptions, | ||
| navigation, | ||
| screenProps, | ||
| getLabelText, | ||
| getAccessibilityLabel, | ||
| getAccessibilityRole, | ||
| getAccessibilityStates, | ||
| getTestID, | ||
| renderIcon, | ||
| onTabPress, | ||
| onTabLongPress, | ||
| } = this.props; | ||
|
|
||
| const { descriptors } = this.props; | ||
| const { state } = this.props.navigation; | ||
| const route = state.routes[state.index]; | ||
| const descriptor = descriptors[route.key]; | ||
| const options = descriptor.options; | ||
|
|
||
| if (options.tabBarVisible === false) { | ||
| return null; | ||
| } | ||
|
|
||
| return ( | ||
| <TabBarComponent | ||
| {...tabBarOptions} | ||
| jumpTo={this._jumpTo} | ||
| navigation={navigation} | ||
| screenProps={screenProps} | ||
| onTabPress={onTabPress} | ||
| onTabLongPress={onTabLongPress} | ||
| getLabelText={getLabelText} | ||
| getButtonComponent={this._getButtonComponent} | ||
| getAccessibilityLabel={getAccessibilityLabel} | ||
| getAccessibilityRole={getAccessibilityRole} | ||
| getAccessibilityStates={getAccessibilityStates} | ||
| getTestID={getTestID} | ||
| renderIcon={renderIcon} | ||
| /> | ||
| ); | ||
| }; | ||
|
|
||
| _jumpTo = (key: string) => { | ||
| const { navigation, onIndexChange } = this.props; | ||
|
|
||
| const index = navigation.state.routes.findIndex(route => route.key === key); | ||
|
|
||
| onIndexChange(index); | ||
| }; | ||
|
|
||
| render() { | ||
| const { navigation, renderScene, lazy } = this.props; | ||
| const { routes } = navigation.state; | ||
| const { loaded } = this.state; | ||
|
|
||
| return ( | ||
| <View style={styles.container}> | ||
| <ScreenContainer style={styles.pages}> | ||
| {routes.map((route, index) => { | ||
| if (lazy && !loaded.includes(index)) { | ||
| // Don't render a screen if we've never navigated to it | ||
| return null; | ||
| } | ||
|
|
||
| const isFocused = navigation.state.index === index; | ||
|
|
||
| return ( | ||
| <ResourceSavingScene | ||
| key={route.key} | ||
| style={StyleSheet.absoluteFill} | ||
| isVisible={isFocused} | ||
| > | ||
| {renderScene({ route })} | ||
| </ResourceSavingScene> | ||
| ); | ||
| })} | ||
| </ScreenContainer> | ||
| {this._renderTabBar()} | ||
| </View> | ||
| ); | ||
| } | ||
| type Props = DefaultNavigatorOptions<BottomTabNavigationOptions> & | ||
| TabRouterOptions & | ||
| BottomTabNavigationConfig; | ||
|
|
||
| function BottomTabNavigator({ | ||
| initialRouteName, | ||
| backBehavior, | ||
| children, | ||
| screenOptions, | ||
| ...rest | ||
| }: Props) { | ||
| const { state, descriptors, navigation } = useNavigationBuilder< | ||
| TabNavigationState, | ||
| BottomTabNavigationOptions, | ||
| TabRouterOptions | ||
| >(TabRouter, { | ||
| initialRouteName, | ||
| backBehavior, | ||
| children, | ||
| screenOptions, | ||
| }); | ||
|
|
||
| return ( | ||
| <BottomTabView | ||
| {...rest} | ||
| state={state} | ||
| navigation={navigation} | ||
| descriptors={descriptors} | ||
| /> | ||
| ); | ||
| } | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| container: { | ||
| flex: 1, | ||
| overflow: 'hidden', | ||
| }, | ||
| pages: { | ||
| flex: 1, | ||
| }, | ||
| }); | ||
|
|
||
| export default createTabNavigator<NavigationBottomTabOptions, Props>( | ||
| TabNavigationView | ||
| ); | ||
| export default createNavigator< | ||
| BottomTabNavigationOptions, | ||
| typeof BottomTabNavigator | ||
| >(BottomTabNavigator); |
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