const relativeResolve = require('../root-module-relative-path').default(require) const envPlugins = { 'development': [ require.resolve('babel-plugin-transform-react-jsx-source') ], 'production': [ require.resolve('babel-plugin-transform-react-remove-prop-types') ] } const plugins = envPlugins[process.env.NODE_ENV] || envPlugins['development'] module.exports = { presets: [ [require.resolve('babel-preset-env'), { modules: false }], require.resolve('babel-preset-react') ], plugins: [ require.resolve('babel-plugin-react-require'), require.resolve('babel-plugin-transform-object-rest-spread'), require.resolve('babel-plugin-transform-class-properties'), require.resolve('babel-plugin-transform-runtime'), require.resolve('styled-jsx/babel'), ...plugins, [ require.resolve('babel-plugin-module-resolver'), { alias: { 'babel-runtime': relativeResolve('babel-runtime/package'), 'next/link': relativeResolve('../../../lib/link'), 'next/prefetch': relativeResolve('../../../lib/prefetch'), 'next/css': relativeResolve('../../../lib/css'), 'next/head': relativeResolve('../../../lib/head'), 'next/document': relativeResolve('../../../server/document'), 'next/router': relativeResolve('../../../lib/router'), 'next/error': relativeResolve('../../../lib/error') } } ] ] }