webpack.config.js

var path = require('path');

module.exports = {

  //  Defines the entrypoint of our application.
  entry: path.resolve(__dirname, 'src/angular-modal-service.js'),

  //  Bundle to ./dst.
  output: {
    path: path.resolve(__dirname, 'dst'),
    filename: 'angular-modal-service.js'
  },
  
  //  Make sure we include sourcemaps. This is for the bundled
  //  code, not the uglfied code (we uglify with npm run build,
  //  see package.json for details).
  devtool: 'inline-source-map',

  //  Define externals (things we don't pack).
  externals: {
    angular: 'angular',
  },

  //  All JavaScript code goes through the babel loader.
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      }
    ]
  }
};