ui/node_modules/non-layered-tidy-tree-layout/webpack.config.js

const path = require('path')

module.exports = {
  mode: 'production',

  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'non-layered-tidy-tree-layout.js',
    library: 'nonLayeredTidyTreeLayout',
    libraryTarget: 'umd'
  },

  module: {
    rules: [
      {
        enforce: 'pre',
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'eslint-loader'
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      }
    ]
  }
}