woocommerce/plugins/woocommerce-admin/client/marketplace/utils/functions.tsx

/**
 * Internal dependencies
 */
import { Product } from '../components/product-list/types';
import { MARKETPLACE_URL } from '../components/constants';
import { CategoryAPIItem } from '../components/category-selector/types';

interface ProductGroup {
	id: number;
	title: string;
	items: Product[];
	url: string;
}

// Fetch data for the discover page from the WooCommerce.com API
const fetchDiscoverPageData = async (): Promise< Array< ProductGroup > > => {
	const fetchUrl = MARKETPLACE_URL + '/wp-json/wccom-extensions/2.0/featured';

	return fetch( fetchUrl )
		.then( ( response ) => {
			if ( ! response.ok ) {
				throw new Error( response.statusText );
			}
			return response.json();
		} )
		.then( ( json ) => {
			return json;
		} )
		.catch( () => {
			return [];
		} );
};

function fetchCategories(): Promise< CategoryAPIItem[] > {
	return fetch( MARKETPLACE_URL + '/wp-json/wccom-extensions/1.0/categories' )
		.then( ( response ) => {
			if ( ! response.ok ) {
				throw new Error( response.statusText );
			}

			return response.json();
		} )
		.then( ( json ) => {
			return json;
		} )
		.catch( () => {
			return [];
		} );
}

export { fetchDiscoverPageData, fetchCategories, ProductGroup };