webpack.dev.js

import webpack from 'webpack'
import path from 'path'
import HtmlWebpackPlugin from 'html-webpack-plugin'
import { fileURLToPath } from 'url'
import { dirname } from 'path'

const __filename = fileURLToPath(import.meta.url)
const __dirname = dirname(__filename)

const config = {
  mode: 'development',
  devtool: 'source-map',
  optimization: {
    minimize: false,
  },
  entry: {
    ruuvi: {
      import: [path.resolve(__dirname, 'src/ruuvi.js')],
    },
  },
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'bundle.js',
    clean: true,
  },
  module: {
    rules: [
      {
        test: /\.(js|mjs)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              ["@babel/preset-env", {
                // prevent Babel from converting access to private class members:
                "targets": "> 1.0%, not dead" // Adjust according to your debug target environments
              }]
            ],
          }
        },
      },
      {
        test: /\.(woff|woff2)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          "style-loader",
          'css-loader', // Translates CSS into CommonJS
          'sass-loader', // Compiles Sass to CSS
        ],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              outputPath: 'images',
              name: '[name].[ext]',
            },
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src/index.html'),
      filename: 'index.html',
      scriptLoading: 'blocking',
      inject: 'head',
      favicon: path.resolve(__dirname, 'src/favicon.ico'),
    }),
  ]
}

export default config