webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const env = process.env.NODE_ENV || 'development';

const VueLoaderPlugin = require('vue-loader/lib/plugin')

const config = {
  entry: [
    path.resolve(__dirname, 'example', 'main.js')
  ],
  output: {
    path: path.resolve(__dirname, './docs'),
    publicPath: (process.env.NODE_ENV === 'development') ? '/' : './',
    filename: (env === 'development') ? '[name].[hash].js' : '[name].[contenthash].js'
  },
  optimization: {
    splitChunks: {
      cacheGroups: {
        shared: {
          test: /[\\/]node_modules[\\/]/,
          name: "vendor",
          enforce: true,
          chunks: "all"
        }
      }
    },
    minimizer: (env === 'development') ? [
    new OptimizeCSSAssetsPlugin(),
    new TerserPlugin()
    ] : undefined,
  },
  mode: env,
  devtool: (env === 'development') ? 'cheap-module-eval-source-map' : undefined,
  devServer: {
    historyApiFallback: true
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.m?js$/,
        exclude: /(node_modules)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.(scss|css)$/,
        use: [
          // For hot reload in dev https://github.com/webpack-contrib/mini-css-extract-plugin/issues/34
          (env === 'development') ? 'style-loader' : MiniCssExtractPlugin.loader,
          'css-loader',
          'sass-loader'
        ],
      },
      {
        test: /\.(png|jpg|gif|otf|svg|mp4|ogv|webm)$/,
        use: [{
          loader: 'file-loader',
          options: {}
        }]
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin({
      cleanOnceBeforeBuildPatterns: ['docs']
    }),
    new VueLoaderPlugin(),
    new HtmlWebpackPlugin({
      title: 'vue-video-section',
      template: path.resolve(__dirname, 'example', 'index.html'),
      inject: true,
      minify: (env === 'development') ? undefined : {
        removeComments: true,
        collapseWhitespace: true,
        removeAttributeQuotes: true,
      }
    }),
    new MiniCssExtractPlugin({
      filename: (env === 'development') ? '[name].css' : '[name].[hash].css',
      chunkFilename: (env === 'development') ? '[id].css' : '[id].[hash].css',
    }),
    new CopyWebpackPlugin([
      {
        from: path.resolve(__dirname, 'src', 'assets', 'images', 'favicon.png'),
        to: './favicon.png'
      }
    ])
  ],
  resolve: {
    extensions: ['.js', '.json'],
    alias: {
      '@': path.resolve(__dirname, 'example')
    }
  }
}

module.exports = config