react-native - React-navigation-redux-helpers 错误:此导航器同时具有导航和容器道具,因此不清楚它是否应该拥有自己的状态
问题描述
我正在尝试在 react-native 与 expo 中使用 react-navigation-redux-helpers 将 redux 与 react-navigation 集成。但是,尽管我遵循了文档,但我收到了以下错误。
这个导航器有导航和容器属性,所以不清楚它是否应该拥有自己的状态。如果导航器应该从导航道具中获取其状态,则删除道具:“nav”。如果导航器应该保持自己的状态,请不要传递导航道具。
以下是我与 redux 和 react-navigation 实现相关的代码。
应用导航器.js
import React from 'react';
import {createSwitchNavigator, createStackNavigator} from 'react-navigation';
import {connect} from 'react-redux';
import {reduxifyNavigator,createReactNavigationReduxMiddleware} from "react-navigation-redux-helpers";
import MainTabNavigator from './MainTabNavigator';
export const AuthStack = createStackNavigator(
{
Main: MainTabNavigator,
},
{
headerMode: 'none'
}
);
export const AppNavigator = createSwitchNavigator(
{
Auth: AuthStack,
},
{
headerMode: 'none',
initialRouteName: 'Auth',
}
);
export const NavMiddleware = createReactNavigationReduxMiddleware(
"root",
state => state.nav,
);
const addListener = reduxifyNavigator(AppNavigator, 'root');
const mapStateToProps = state => ({
nav: state.nav,
});
export const AppWithNavigationState = connect(mapStateToProps)(addListener);
应用程序.js
import React from 'react';
import {Platform, StatusBar, StyleSheet, View} from 'react-native';
import {AppLoading, Asset, Font, Icon} from 'expo';
import {AppWithNavigationState} from './navigation/AppNavigator';
import {applyMiddleware, createStore} from "redux";
import AppReducer from './reducers/AppReducer'
import {Provider} from "react-redux";
import {NavMiddleware} from './navigation/AppNavigator'
const store = createStore(AppReducer,applyMiddleware(NavMiddleware));
export default class App extends React.Component {
state = {
isLoadingComplete: false,
};
render() {
if (!this.state.isLoadingComplete && !this.props.skipLoadingScreen) {
return (
<AppLoading
startAsync={this._loadResourcesAsync}
onError={this._handleLoadingError}
onFinish={this._handleFinishLoading}
/>
);
} else {
return (
<View style={styles.container}>
{Platform.OS === 'ios' && <StatusBar barStyle="default" />}
<Provider store={store}>
<AppWithNavigationState/>
</Provider>
</View>
);
}
}
_loadResourcesAsync = async () => {
return Promise.all([
Asset.loadAsync([
require('./assets/images/robot-dev.png'),
require('./assets/images/robot-prod.png'),
]),
Font.loadAsync({
// This is the font that we are using for our tab bar
...Icon.Ionicons.font,
// We include SpaceMono because we use it in HomeScreen.js. Feel free
// to remove this if you are not using it in your app
'space-mono': require('./assets/fonts/SpaceMono-Regular.ttf'),
}),
]);
};
_handleLoadingError = error => {
// In this case, you might want to report the error to your error
// reporting service, for example Sentry
console.warn(error);
};
_handleFinishLoading = () => {
this.setState({ isLoadingComplete: true });
};
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#fff',
},
});
navReducer.js
import {AppNavigator} from '../navigation/AppNavigator';
const router = AppNavigator.router;
const mainNavAction = router.getActionForPathAndParams('Auth');
const initialNavState = router.getStateForAction(mainNavAction);
const NavigationReducer = (state = initialNavState, action) => {
console.log('routes', router);
return router.getStateForAction(action, state) || state;
};
export default NavigationReducer;
AppReducer.js
"use strict";
import {VendorReducer} from './vendorReducer';
import {combineReducers} from "redux";
import NavigationReducer from "./navReducer";
const AppReducer = combineReducers({
nav:NavigationReducer,
vendor: VendorReducer,
});
export default AppReducer;
以下是我的 package.json。
{
"name": "my-new-project",
"main": "node_modules/expo/AppEntry.js",
"private": true,
"scripts": {
"start": "expo start",
"android": "expo start --android",
"ios": "expo start --ios",
"eject": "expo eject",
"test": "node ./node_modules/jest/bin/jest.js --watchAll"
},
"jest": {
"preset": "jest-expo"
},
"dependencies": {
"@expo/samples": "2.1.1",
"expo": "^30.0.1",
"react": "16.3.1",
"react-native": "https://github.com/expo/react-native/archive/sdk-30.0.0.tar.gz",
"react-navigation": "2.16.0",
"react-navigation-redux-helpers": "2.0.6",
"react-redux": "5.0.7",
"redux": "4.0.0",
"redux-logger": "3.0.6",
"redux-thunk": "2.3.0"
},
"devDependencies": {
"jest-expo": "30.0.0",
"redux-devtools": "3.4.1"
}
}
我希望有人能帮助我度过这个难关。提前致谢。
解决方案
这也是我的错!通过以下方式解决了它:
const mapStateToProps = state => ({
state: state.nav,
});
注意状态:state.nav。
如果您需要,我可以将我的整个 redux 集成与适合我的导航发布。
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