react-native iterator typeof符号错误
发布时间:2020-12-15 09:31:44 所属栏目:百科 来源:网络整理
导读:TypeError:undefined不是函数(评估’iteratortypeof Symbol ===’函数“?Symbol.iterator:”@@ iterator“’) 我还没写太多代码.我刚刚导入了router-flux和redux(以及有关redux的东西).应用程序正在iOS上工作,没有问题.也在Android上工作,但只有调试模式.
TypeError:undefined不是函数(评估’iteratortypeof Symbol ===’函数“?Symbol.iterator:”@@ iterator“’)
我还没写太多代码.我刚刚导入了router-flux和redux(以及有关redux的东西).应用程序正在iOS上工作,没有问题.也在Android上工作,但只有调试模式.我无法解决它. 这是我的package.json文件; { "name": "newProject","version": "0.0.1","private": true,"scripts": { "start": "node node_modules/react-native/local-cli/cli.js start","test": "jest" },"dependencies": { "firebase": "^5.3.0","lodash": "^4.17.10","react": "16.4.1","react-native": "0.56.0","react-native-router-flux": "^4.0.0-beta.31","react-redux": "^5.0.7","redux": "^4.0.0","redux-thunk": "^2.3.0" },"devDependencies": { "babel-jest": "23.4.0","babel-preset-react-native": "^5","jest": "23.4.1","react-test-renderer": "16.4.1" },"jest": { "preset": "react-native" } } 这是App呈现的第一个页面; import React,{ Component } from 'react'; import { Provider } from 'react-redux'; import { createStore,applyMiddleware } from 'redux'; import ReduxThunk from 'redux-thunk'; import reducers from './reducers'; import Router from './Router'; class Main extends Component { componentWillMount() { const firebase = require('firebase'); firebase.initializeApp({ apiKey: "AIzaSyDFO_Rfas36L8R8p6qxTvCr843ajeamoMs",authDomain: "helloworld-e510b.firebaseapp.com",databaseURL: "https://helloworld-e510b.firebaseio.com",projectId: "helloworld-e510b",storageBucket: "helloworld-e510b.appspot.com",messagingSenderId: "316625723749" }); } render() { const store = createStore(reducers,{},applyMiddleware(ReduxThunk)); return ( <Provider store={store}> <Router /> </Provider> ); } } export default Main; 最后这是路由器页面; import React from 'react'; import { Scene,Router,Actions } from 'react-native-router-flux'; import MainPage from './components/MainPage'; const RouterComponent = () => { return ( <Router> <Scene key="main"> <Scene key="mainPage" title="Giri?" component={MainPage} /> </Scene> </Router> ); }; export default RouterComponent; 我在github和这里搜索过但我找不到足够好的解决方案.我希望有人能帮帮忙. 解决方法
我遇到了这个问题,以下解决方案有效.
将以下行粘贴到您的app.js文件中的本机项目中. // symbol polyfills global.Symbol = require('core-js/es6/symbol'); require('core-js/fn/symbol/iterator'); // collection fn polyfills require('core-js/fn/map'); require('core-js/fn/set'); require('core-js/fn/array/find'); 有关更多信息,请参阅以下问题 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |