import { select, boolean } from '@storybook/addon-knobs'; import classNames from 'classnames'; export default () => { const isRounded = boolean('is-rounded', false); const avatarSize = select('Avatar Classes', { default: '', 'is-small': 'is-small', 'is-medium': 'is-medium', 'is-large': 'is-large', }, ''); const avatarClasses = classNames( 'nes-avatar', avatarSize, { 'is-rounded': isRounded, }, ); return ` Gravatar Image Example `; };