webpack.common.js

require('dotenv').config()
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')

module.exports = {
  entry: './src/index.js',
  output: {
    path: path.resolve('build'),
    filename: 'bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        exclude: /\.module\.css$/,
        use: [{loader: 'style-loader'}, {loader: 'css-loader'}],
      },
      {
        test: /\.module\.css$/,
        use: [
          {loader: 'style-loader'},
          {loader: 'css-loader', options: {modules: true, camelCase: true}},
        ],
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: 'babel-loader',
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2)$/,
        use: 'file-loader',
      },
    ],
  },
  plugins:[
    new CleanWebpackPlugin('build'),
    new HtmlWebpackPlugin({template: 'index.html'}),
  ],
}