module.exports = function ( api ) { api.cache( true ); return { presets: [ '@wordpress/babel-preset-default' ], plugins: [ /** * This allows arrow functions as class methods so that binding * methods to `this` in the constructor isn't required. */ '@babel/plugin-proposal-class-properties', ], env: { production: { plugins: [ [ '@wordpress/babel-plugin-makepot', { output: 'languages/woocommerce-admin.po', }, ], ], }, }, }; };