JezK

Edit File: class-astra-jetpack.php

<?php
/**
 * Jetpack Compatibility File.
 *
 * @link https://jetpack.me/
 *
 * @package Astra
 */

// If plugin - 'Jetpack' not exist then return.
if ( ! class_exists( 'Jetpack' ) ) {
	return;
}

/**
 * Astra Jetpack Compatibility
 */
if ( ! class_exists( 'Astra_Jetpack' ) ) {

/**
	 * Astra Jetpack Compatibility
	 *
	 * @since 1.0.0
	 */
	class Astra_Jetpack {
		/**
		 * Member Variable
		 *
		 * @var object instance
		 */
		private static $instance;

/**
		 * Initiator
		 */
		public static function get_instance() {
			if ( ! isset( self::$instance ) ) {
				self::$instance = new self();
			}
			return self::$instance;
		}

/**
		 * Constructor
		 */
		public function __construct() {
			add_action( 'after_setup_theme', array( $this, 'jetpack_setup' ) );
		}

/**
		 * Add theme support for Infinite Scroll.
		 * See: https://jetpack.me/support/infinite-scroll/
		 */
		public function jetpack_setup() {
			add_theme_support(
				'infinite-scroll',
				array(
					'container' => 'main',
					'render'    => array( $this, 'infinite_scroll_render' ),
					'footer'    => 'page',
				)
			);
		} // end function jetpack_setup

/**
		 * Custom render function for Infinite Scroll.
		 */
		public function infinite_scroll_render() {
			while ( have_posts() ) {
				the_post();
				get_template_part( 'template-parts/content', astra_get_post_format() );
			}
		} // end function infinite_scroll_render

}

/**
 * Kicking this off by calling 'get_instance()' method
 */
Astra_Jetpack::get_instance();