小编Exc*_*tet的帖子

我使用后：

npm run build

i got this error:

My webpack.config.js:

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  module: {
    rules: [
      { test: /\.js$/, exclude: /node_modules/, loader: "babel-loader" },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      
    ]
  },
  entry: './app/game/index.js',
  output: {
    filename: 'main.js',
    path: __dirname + "/src/main/resources/static"
  },
  plugins: [
    new HtmlWebpackPlugin(),
    new CopyPlugin([
      { from: './app/assets', to: './assets' },
    ])
  ]
};

My IdeaProjects\Flood\flood-project\app\game\index.js :

import MainMenu from './main-menu';
import …