无法解决模块“事件” React-Native

Question

The development server returned response error code: 500

网址：http：//10.0.2.2：8081 / index.android.bundle？platform = android＆dev = true＆hot = false＆minify = false

正文：{“ message”：“无法从/ Users / mohitverma / Desktop / Projects / Android Apps / easyread / node_modules / node-metainspector / index.js解决模块事件：模块映射或这些目录中不存在模块：\ n / Users / mohitverma / Desktop / Projects / Android Apps / easyread / node_modules / node-metainspector / node_modules \ n，/ Users / mohitverma / Desktop / Projects / Android Apps / easyread / node_modules \ n \ n这可能与https://github.com/facebook/react-native/issues/4968 \ n要解决此问题，请尝试以下操作：\ n 1.清除值班员监视：watchman watch-del-all。\ n 2.删除node_modules文件夹：rm -rf node_modules && npm install。\ n 3.重置打包程序缓存：rm -fr $TMPDIR/react-*要么npm start -- --reset-cache。“，”名称“：” UnableToResolveError“，”类型“：” UnableToResolveError“，”错误“：[{}]} onResponse DevServerHelper.java:323执行RealCall.java:126 run NamedRunnable.java:32 runWorker ThreadPoolExecutor.java ：1112运行ThreadPoolExecutor.java:587运行Thread.java:818

import React, {Component} from 'react';
import {AppRegistry, StyleSheet, Text, View, Alert} from 'react-  native';
var Extractor = require('node-metainspector');
import axios from 'axios';

const msgTitle = 'Server error';
const msgDescription = 'Could not get data from website';

 export default class Web extends Component {

 constructor(props) {
    super(props);
    this.state = {
        siteDetail: {}
    };
}

componentDidMount() {
    axios(this.props.url).then((webResponse) => {
        //const siteDetail = Extractor(webResponse);
        //this.setState({siteDetail});
        Alert.alert(msgTitle, webResponse.toString());
    }).catch((err) => {
        Alert.alert(msgTitle, msgDescription);
    });
}

render() {
    const self = this;

    return (
        <View style={styles.container}>
            <Text style={styles.welcome}>
                {self.state.siteDetail.title}
            </Text>
        </View>
    );
 }
}

Answer 1

我遇到了同样的问题，发现了类似的github问题。

按照建议，我已经用：安装了依赖项，npm install events --save这解决了我的问题。