@salesforce/design-system-react/lib/components/tooltip/__examples__/button.jsx

Salesforce Lightning Design System for React

import React from 'react';

import IconSettings from '~/components/icon-settings';
import Tooltip from '~/components/tooltip'; // `~` is replaced with design-system-react at runtime
import Button from '~/components/button';

class Example extends React.Component {
	static displayName = 'TooltipExample';

	render() {
		return (
			<IconSettings iconPath="/assets/icons">
				<Tooltip
					id="tooltip"
					align="right"
					content="Tooltip with right alignment"
				>
					<Button id="button" label="Hover or focus to Open" />
				</Tooltip>
			</IconSettings>
		);
	}
}

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