我需要您的帮助!我正在尝试在带有babel的本地反应中使用自定义别名构建应用程序。我已经尝试了所有方法,但是没有任何效果。加载 @ babel / preset-react 后出现此错误:
Unexpected use of reserved word 'import' (http://10.0.2.2:8081/index.delta?platform=android&dev=true&minify=false:1365)
Unexpected use of reserved word 'import' (http://10.0.2.2:8081/index.delta?platform=android&dev=true&minify=false:1365)
package.json
{
"name": "ResolveModule",
"version": "0.0.1",
"private": true,
"scripts": {
"start": "node node_modules/react-native/local-cli/cli.js start",
"test": "jest"
},
"dependencies": {
"react": "16.0.0-alpha.6",
"react-native": "0.57.4"
},
"devDependencies": {
"@babel/preset-env": "^7.1.5",
"@babel/preset-react": "^7.0.0",
"babel-jest": "20.0.3",
"babel-plugin-module-resolver": "^3.0.0-beta.0",
"babel-preset-react-native": "1.9.2",
"jest": "20.0.3",
"metro-react-native-babel-preset": "0.49.0",
"react-test-renderer": "16.0.0-alpha.6"
},
"jest": {
"preset": "react-native"
}
}
.balberc
{
"presets": [
"@babel/preset-env",
"@babel/preset-react"
],
"plugins": [
[
"module-resolver",
{
"cwd": "babelrc",
"root": "./app",
"alias": {
"components": "./app/components/main"
}
}
]
]
}
App.js
/**
* Sample React Native App
* https://github.com/facebook/react-native
*
* @format
* @flow
*/
import React, { Component } from 'react';
import { Platform, StyleSheet, Text, View } from 'react-native';
import Main from 'components/Main';
const instructions = Platform.select({
ios: 'Press Cmd+R to reload,\n' + 'Cmd+D or shake for dev menu',
android:
'Double tap R on your keyboard to reload,\n' +
'Shake or press menu button for dev menu',
});
export default class App extends Component {
render() {
return (
<View style={styles.container}>
<Text style={styles.welcome}>Welcome to React Native!</Text>
<Text style={styles.instructions}>To get stsdfsdfsdfarted, edit App.js</Text>
<Text style={styles.instructions}>{instructions}</Text>
<Main />
</View>
);
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#F5FCFF',
},
welcome: {
fontSize: 20,
textAlign: 'center',
margin: 10,
},
instructions: {
textAlign: 'center',
color: '#333333',
marginBottom: 5,
},
});
Main.js
import React, { Component } from 'react';
import { Text, View } from 'react-native';
export default class Main extends Component {
render() {
return (
<View>
<Text>Tosdfsdfsdfsdfs</Text>
</View>
);
}
}
Windows 10,VS Code,Android Studio-> AVD管理器
您将如何解决此问题?