woocommerce/plugins/woocommerce-admin/client/marketplace/index.tsx

/**
 * External dependencies
 */
import { useState } from '@wordpress/element';

/**
 * Internal dependencies
 */
import './marketplace.scss';
import { DEFAULT_TAB_KEY } from './components/constants';
import Tabs from './components/tabs/tabs';
import Content from './components/content/content';

export default function Marketplace() {
	const [ selectedTab, setSelectedTab ] = useState( DEFAULT_TAB_KEY );

	return (
		<div className="woocommerce-marketplace">
			<div className="woocommerce-marketplace__header">
				<Tabs
					selectedTab={ selectedTab }
					setSelectedTab={ setSelectedTab }
				/>
			</div>
			<Content selectedTab={ selectedTab } />
		</div>
	);
}