webpack.config.base.js

const path = require('path')
const webpack = require('webpack')

module.exports = options => ({
  entry: options.entry,
  output: Object.assign(
    {
      path: path.resolve(process.cwd(), 'build'),
      publicPath: ''
    },
    options.output
  ),
  module: {
    rules: [
      {
        test: /\.js?$/,
        exclude: /node_modules/,
        loader: 'babel-loader'
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2)$/,
        loader: 'file-loader'
      }
    ].concat(options.module.rules)
  },
  plugins: options.plugins.concat([
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify(process.env.NODE_ENV)
      }
    }),
    new webpack.NamedModulesPlugin()
  ]),
  devtool: options.devtool,
  target: 'web',
  performance: options.performance || {}
})