module.exports = function (api) { api.cache(true) const presets = [ [ '@babel/preset-env', { useBuiltIns: 'usage', corejs: '3' } ] ] const plugins = [ '@babel/plugin-syntax-dynamic-import', '@babel/plugin-proposal-class-properties', '@babel/plugin-proposal-object-rest-spread', '@babel/plugin-transform-runtime', '@babel/plugin-proposal-export-default-from' ] return { presets, plugins } }