secondAttempt()

index.js

import YqlAjax from './yql_ajax';

...

secondAttempt() {
	let yqlAjax = new YqlAjax();

	yqlAjax.ajax(this.goodReadsURL)
		.then((yqlResponse) => {
			// DefiantJS XPath query for user shelf for "read" section.
			let search = JSON.search(yqlResponse.data, "//*/user_shelf[name='read']");
			console.log(search);
		}).catch((error) => {
			alert(`error: ${error}`);
		});
}