模块解析失败：当构建与webpack反应时，意外的令牌（6:16）

Question

新的网页与反应。生成网页包时出现此错误。

./dist/index.js 6:16模块解析中出错失败：意外标记（6:16）您可能需要适当的加载程序来处理此文件类型。||

ReactDOM.render（

dist/index.js

import React, { Component } from "react";
import ReactDOM from "react-dom";
import Fetch from "../src/index"


ReactDOM.render(<Fetch />, document.getElementById("root"))

webpack.config.js

var path = require('path');
module.exports = {
  entry: './dist/index.js',
  output: {
    path: path.resolve(__dirname, './'),
    filename: 'index.js',
    libraryTarget: 'commonjs2'
  },

  resolve: {
    extensions: [  '.js', '.jsx']
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        include: path.resolve(__dirname, './src'),
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: { 
            presets: ['@babel/preset-env', '@babel/react'],
            plugins:['@babel/plugin-proposal-class-properties']
          }
        }
      }
    ]
  },
  devServer: {
    contentBase: path.join(__dirname, "dist"),
    compress: true,
    port: 9000,
    watchContentBase: true,
    progress: true
  },
  externals: {
    'react': 'commonjs react',
    'reactDOM': 'react-dom'
  },
};

src/index.js

import Fetch from './Fetch';

export default Fetch;




Answer 1

通过删除以下行，我可以使用您的Webpack.config.js构建Webpack：

include: path.resolve(__dirname, './src')

位于babel loader的规则中。我还将输出路径更改为：

path: __dirname