@salesforce/design-system-react/components/button-stateful/__examples__/icon.jsx

Salesforce Lightning Design System for React

import React from 'react';
import createReactClass from 'create-react-class';
import IconSettings from '~/components/icon-settings';
import ButtonStateful from '~/components/button-stateful'; // `~` is replaced with design-system-react at runtime

const Example = createReactClass({
	displayName: 'ButtonStatefulExample',

	getInitialState () {
		return {
			isActive: false,
		};
	},

	handleOnclick () {
		this.setState({
			isActive: !this.state.isActive,
		});
	},

	render () {
		return (
			<IconSettings iconPath="/assets/icons">
				<ButtonStateful
					assistiveText={this.state.isActive ? 'liked' : 'not liked'}
					iconName="like"
					iconSize="large"
					variant="icon"
				/>
			</IconSettings>
		);
	},
});

export default Example; // export is replaced with `ReactDOM.render(<Example />, mountNode);` at runtime