feather/webpack.config.babel.js

import path from 'path';

export default {
  entry: [
    'core-js/fn/array/from',
    'core-js/fn/object/assign',
    'core-js/fn/set',
    path.resolve(__dirname, 'src/index.js'),
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    libraryTarget: 'umd',
    library: 'feather',
  },
  devtool: 'source-map',
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      },
    ],
  },
};