next.config.js

/* eslint-disable */
const withLess = require('@zeit/next-less');
const withBundleAnalyzer = require('@zeit/next-bundle-analyzer');
const withPlugins = require('next-compose-plugins');

// fix: prevents error when .less files are required by node
if (typeof require !== 'undefined') {
  require.extensions['.less'] = file => {};
}

module.exports = withPlugins([
  [
    withLess,
    {
      lessLoaderOptions: {
        javascriptEnabled: true
      }
    }
  ],
  [
    withBundleAnalyzer,
    {
      analyzeServer: ['server', 'both'].includes(process.env.BUNDLE_ANALYZE),
      analyzeBrowser: ['browser', 'both'].includes(process.env.BUNDLE_ANALYZE),
      bundleAnalyzerConfig: {
        server: {
          analyzerMode: 'static',
          reportFilename: '../../bundles/server.html'
        },
        browser: {
          analyzerMode: 'static',
          reportFilename: '../bundles/client.html'
        }
      }
    }
  ]
]);