webpack.config.js

const path = require('path')

const { VueLoaderPlugin } = require('vue-loader')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const { CleanWebpackPlugin } = require('clean-webpack-plugin')
const { InjectManifest } = require('workbox-webpack-plugin')

module.exports = (env, argv) => ({
  mode: argv && argv.mode || 'development',
  devtool: (argv && argv.mode || 'development') === 'production' ? 'source-map' : 'eval',

  entry: './src/app.js',

  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].js',
    publicPath: "/pesterchum/"
  },

  node: false,

  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.js$/,
        loader: 'babel-loader'
      },
      {
        test: /\.s?css$/,
        use: [
          'vue-style-loader',
          {
            loader: 'css-loader',
            options: {
                esModule: false
            }
          },
          'sass-loader'
        ],
        exclude: /\.module\.scss$/
      },
    ]
  },

  resolve: {
    extensions: [
      '.js',
      '.vue',
      '.json'
    ],
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      '@': path.resolve(__dirname, 'src')
    },
    fallback: {
      "stream": false,
      "util": false
    }
  },

  plugins: [
    new CleanWebpackPlugin(),
    new VueLoaderPlugin(),
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'static', 'index.html'),
      inject: true
    }),
    new CopyWebpackPlugin({
        patterns: [{
            from: path.resolve(__dirname, 'static'),
            to: path.resolve(__dirname, 'dist'),
            toType: 'dir'
        }]
    }),
    new InjectManifest({
      swSrc: './src/sw.js',
      swDest: './sw.js'
    })
  ],

  optimization: {
    splitChunks: {
      chunks: 'all',
      minSize: 30000,
      maxSize: 0,
      cacheGroups: {
        vendors: {
          test: /[\\/]node_modules[\\/]/,
          priority: -10
        },
        default: {
          minChunks: 2,
          priority: -20,
          reuseExistingChunk: true
        }
      }
    },
    runtimeChunk: {
      name: entrypoint => `runtime~${entrypoint.name}`
    },
    mangleWasmImports: true,
    removeAvailableModules: true,
    removeEmptyChunks: true,
    mergeDuplicateChunks: true
  },

  devServer: {
    compress: true,
    host: 'localhost',
    https: true,
    open: true,
    overlay: false,
    port: 4130,
    disableHostCheck: true,
    cert: 'ssl/localhost.crt',
    key: 'ssl/localhost.key'
  }
});