View file File name : babel.config.js Content :module.exports = api => { api.cache( true ); return { presets: [ [ '@automattic/jetpack-webpack-config/babel/preset', { autoWpPolyfill: false, presetEnv: { corejs: require( 'core-js/package.json' ).version, modules: false, useBuiltIns: 'usage', }, pluginReplaceTextdomain: { textdomain: 'jetpack-wordads' }, }, ], ], }; };