const path = require('path')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const devMode = (process.env.NODE_ENV !== 'production')
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
  entry: [
    './js/script.js',
    './scss/style.scss'
  ],
  plugins: [
    new MiniCssExtractPlugin(),
    new CopyPlugin({
      patterns: [
        { from: './html/', to: '' },
      ],
    }),
  ],
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /(node_modules)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          MiniCssExtractPlugin.loader,
          // Translates CSS into CommonJS
          'css-loader',
          'postcss-loader',
          // Compiles Sass to CSS
          'sass-loader'
        ]
      },
    ]
  },
  output: {
    path: path.resolve(__dirname, 'build')
  }
}