const path = require('path');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const env = process.env.NODE_ENV;

module.exports = {
  entry: './src/transport.js',
  output: {
    filename: 'transport.js',
    path: path.resolve(__dirname, 'dist'),
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
      },
      {
        test: /\.css$/,
        use: env === 'production'
          ? ExtractTextPlugin.extract({
            fallback: 'style-loader',
            use: ['css-loader'],
          })
          : ['style-loader', 'css-loader'],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.join(__dirname, 'index.html'),
    }),
    new ExtractTextPlugin({
      disable: env === 'development',
      filename: '[name].css',
    }),
  ],
  devtool: 'cheap-module-eval-source-map',
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    host: '0.0.0.0',
    port: 8888,
    disableHostCheck: true,
  },
};