log-oscon/wpstatuscake

<?php
/**
 * The public-facing functionality of the plugin.
 *
 * @link       https://github.com/log-oscon/wpstatuscake/
 * @since      1.0.0
 *
 * @package    StatusCake
 * @subpackage StatusCake/lib
 */

namespace logoscon\StatusCake;

/**
 * The public-facing functionality of the plugin.
 *
 * @package    StatusCake
 * @subpackage StatusCake/lib
 * @author     log.OSCON, Lda. <engenharia@log.pt>
 */
class Frontend {

    /**
     * The plugin's instance.
     *
     * @since  1.0.0
     * @access private
     * @var    Plugin
     */
    private $plugin;

    /**
     * Initialize the class and set its properties.
     *
     * @since 1.0.0
     * @param Plugin $plugin This plugin's instance.
     */
    public function __construct( Plugin $plugin ) {
        $this->plugin = $plugin;
    }

    /**
     * Register the scripts for the public-facing side of the site.
     *
     * @since 1.0.0
     */
    public function enqueue_scripts() {

        if ( \is_admin() ) {
            return;
        }

        if ( \is_feed() ) {
            return;
        }

        if ( \is_robots() ) {
            return;
        }

        if ( \is_trackback() ) {
            return;
        }

        $rum_id = trim( \get_option( 'statuscake_rum_id' ) );

        if ( empty( $rum_id ) ) {
            return;
        }

        \wp_enqueue_script(
            $this->plugin->get_name(),
            'https://www.statuscake.com/App/RUM/embed.js',
            array(),
            false,
            true
        );

        \wp_localize_script(
            $this->plugin->get_name(),
            'SC_RumID',
            $rum_id
        );

    }

    /**
     * Add async attribute to the HTML script tag of the enqueued script.
     *
     * @since  1.0.0
     * @param  string $tag    The script's tag for the enqueued script.
     * @param  string $handle The script's registered handle.
     * @return string         Possibly-modified script's tag.
     */
    public function add_async_attribute( $tag, $handle ) {

        if ( $this->plugin->get_name() !== $handle ) {
            return $tag;
        }

        return str_replace( ' src', ' async src', $tag );
    }
}