/**
 * Base webpack config used across other specific configs
 */

import path from 'path';
import webpack from 'webpack';
import { dependencies as externals } from './package.json';

export default {
	externals: Object.keys(externals || {}),

	module: {
		rules: [{
			test: /\.jsx?$/,
			exclude: /node_modules/,
			use: {
				loader: 'babel-loader',
				options: {
					cacheDirectory: true
				}
			}
		}]
	},

	output: {
		path: path.join(__dirname, 'app'),
		filename: 'bundle.js',
    // https://github.com/webpack/webpack/issues/1114
		libraryTarget: 'commonjs2'
	},

  /**
   * Determine the array of extensions that should be used to resolve modules.
   */
	resolve: {
		extensions: ['.js', '.jsx', '.json'],
		modules: [
			path.join(__dirname, 'app'),
			'node_modules',
		],
	},

	plugins: [
		new webpack.NamedModulesPlugin(),
	],
};