webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

const config = {
  entry: {
    app: ["./src/main.js"]
  },
  devtool: 'inline-source-map',
  devServer: {
    contentBase: './dist',
    historyApiFallback: true
  },
  plugins: [
    new CleanWebpackPlugin(['dist']),
    new CopyWebpackPlugin([{
      from: './node_modules/uikit/dist/**/*'
    }]),
    new HtmlWebpackPlugin({
      title: 'A simple TMDb UI',
      template: './src/index.html'
    })
  ],
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader'
        ]
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      }
    ]
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: "bundle.js",
  }
};

module.exports = (env, argv) => {
  if (argv.mode === 'development') {
    config.output.publicPath = '/';
  }

  return config;
};