const { merge } = require('webpack-merge');
const common = require('./webpack.common.js');
const TerserPlugin = require('terser-webpack-plugin');

module.exports = merge(common, {
  mode: 'production',
  optimization: {
    minimize: true,
    minimizer: [new TerserPlugin({
      extractComments: false,
      terserOptions: {
        ie8: true,
        safari10: true,
      },
    })],
  },
});