wp-calypso/client/reader/post-excerpt-link/index.jsx

import clsx from 'clsx';
import { localize } from 'i18n-calypso';
import PropTypes from 'prop-types';
import { Component } from 'react';
import { recordPermalinkClick } from 'calypso/reader/stats';
import './style.scss';

class PostExcerptLink extends Component {
	static propTypes = {
		siteName: PropTypes.string,
		postUrl: PropTypes.string,
	};

	state = {
		isShowingNotice: false,
	};

	toggleNotice = ( event ) => {
		event.preventDefault();
		this.setState( {
			isShowingNotice: ! this.state.isShowingNotice,
		} );
	};

	recordClick = () => {
		recordPermalinkClick( 'summary_card_site_name' );
	};

	render() {
		if ( ! this.props.siteName || ! this.props.postUrl ) {
			return null;
		}

		/*eslint-disable wpcalypso/jsx-classname-namespace*/

		const siteName = (
			<a
				onClick={ this.recordClick }
				href={ this.props.postUrl }
				target="_blank"
				rel="external noopener noreferrer"
			>
				<span className="post-excerpt-only-site-name">{ this.props.siteName || '(untitled)' }</span>
			</a>
		);
		const classes = clsx( {
			'post-excerpt-link': true,
			'is-showing-notice': this.state.isShowingNotice,
		} );

		return (
			<div className={ classes }>
				{ this.props.translate( 'Visit {{siteName/}} for the full post.', {
					components: { siteName },
				} ) }
				<svg
					onClick={ this.toggleNotice }
					className="gridicon gridicon__help ignore-click"
					xmlns="http://www.w3.org/2000/svg"
					viewBox="0 0 24 24"
					enableBackground="new 0 0 24 24"
				>
					<path d="M12 2C6.477 2 2 6.477 2 12s4.477 10 10 10 10-4.477 10-10S17.523 2 12 2zm1 15h-2v-2h2v2zm2.003-6.41c-.23.36-.6.704-1.108 1.028-.43.28-.7.482-.808.61-.108.13-.163.283-.163.46V13H11.04v-.528c0-.4.08-.74.245-1.017.163-.276.454-.546.872-.808.332-.21.57-.397.716-.565.145-.168.217-.36.217-.577 0-.172-.077-.308-.233-.41-.156-.1-.358-.15-.608-.15-.62 0-1.342.22-2.17.658l-.854-1.67c1.02-.58 2.084-.872 3.194-.872.913 0 1.63.202 2.15.603.52.4.78.948.78 1.64 0 .495-.116.924-.347 1.286z" />
				</svg>
				<p className="post-excerpt-link__helper">
					{ this.props.translate(
						'The owner of this site only allows us to show a brief summary of their content.' +
							' ' +
							"To view the full post, you'll have to visit their site."
					) }
				</p>
			</div>
		);
	}
}

export default localize( PostExcerptLink );