A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, alignLeft } from '@wordpress/icons';
<Icon icon={alignLeft} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M13 5.5H4V4h9v1.5Zm7 7H4V11h16v1.5Zm-7 7H4V18h9v1.5Z"></path></svg>
alignLeft – WordPress Icon Library