const path = require('path');
const webpack = require('webpack');
const common = require('./webpack.common.js');
const nodeExternals = require('webpack-node-externals');

module.exports = {
  mode: 'production',
  target: 'node',
  externals: [nodeExternals({
    whitelist: [ /\.svg$/ ]
  })],
  entry: {
    prerender: './script/prerender.js'
  },
  output: {
    filename: '[name].js',
    chunkFilename: '[name].chunk.js',
    path: path.resolve(__dirname, 'script/__build__')
  },
  resolve: {
    modules: ['src', 'node_modules']
  },
  plugins: [
    // Only want the EnvironmentPlugin
    common.plugins.find(plugin => plugin instanceof webpack.EnvironmentPlugin)
  ],
  module: {
    rules: [
      // Replace the rule for CSS files
      {
        test: /\.css$/,
        loader: 'css-loader/locals',
        options: {
          modules: true
        }
      },
      ...common.module.rules.filter(rule => !rule.test.test('file.css'))
    ]
  }
};