webpack.config.js

const path = require('path');
const webpack = require('webpack');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  context: path.resolve(__dirname, './src'),
  entry: {
    index: ['@babel/polyfill', './index.js'],
  },
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, './dist')
  },
  devServer: {
    contentBase: path.resolve(__dirname, './src'),
    disableHostCheck: true
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              ['@babel/preset-env', {
                targets: {
                  browsers: ['defaults']
                }
              }],
            ]
          }
        }
      },
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
          },
          'css-loader',
          'sass-loader',
        ],
      },
      {
         test: /\.(png|jpg|gif)$/,
         use: [
           {
             loader: 'url-loader',
             options: {
               limit: 8192
             }
           },
         ],
     },
     {
        test: /\.ne$/,
        use: [
          '@leetcode/nearley-loader'
        ],
     }
    ]
  },
  plugins: [
    new MiniCssExtractPlugin({ filename: 'styles.css' }),
    new CopyWebpackPlugin({
      patterns: [
        {from: './index.html', to: './index.html'},
      ],
    }),
  ]
};