Yelp.js

const Yelp = {
	getAccessToken() {
		if (accessToken) {
			return new Promise(function(resolve) {
				resolve(accessToken)
			})
		}

		return fetch('https://cors-anywhere.herokuapp.com/' + 'https://api.yelp.com/oauth2/token?grant_type=client_credentials&client_id=' + clientId + '&client_secret=' + secret, { method: 'POST'}).then(response => response.json()).then(jsonResponse => accessToken = jsonResponse.access_token)
	},
	search(term, location, sortBy) {
		// doesnt seem to work all the time for w/e reason
		return Yelp.getAccessToken().then(() => fetch('https://cors-anywhere.herokuapp.com/' + 'https://api.yelp.com/v3/businesses/search?term=' + term + '&location=' + location + '&sort_by=' + sortBy, {headers: { Authorization: `Bearer ${accessToken}` }})).then(response => response.json()).then(jsonResponse => jsonResponse.businesses.map(function(business) { return { name: business.name } } ))
	}
}