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inc/core/Jetpack.php

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+<?php // phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase
+/**
+ * Jetpack compatibility.
+ *
+ * @link https://jetpack.com/
+ *
+ * @package PressBook
+ */
+
+namespace PressBook;
+
+/**
+ * Setup Jetpack for the theme.
+ */
+class Jetpack implements Serviceable {
+	/**
+	 * Register service features.
+	 */
+	public function register() {
+		if ( class_exists( '\Jetpack' ) ) {
+			add_action( 'after_setup_theme', array( $this, 'jetpack_setup' ) );
+		}
+	}
+
+	/**
+	 * Jetpack setup function.
+	 *
+	 * See: https://jetpack.com/support/infinite-scroll/
+	 * See: https://jetpack.com/support/responsive-videos/
+	 * See: https://jetpack.com/support/content-options/
+	 */
+	public function jetpack_setup() {
+		// Add theme support for Infinite Scroll.
+		add_theme_support(
+			'infinite-scroll',
+			array(
+				'container' => 'primary',
+				'render'    => array( $this, 'infinite_scroll_render' ),
+				'footer'    => 'page',
+			)
+		);
+
+		// Add theme support for Responsive Videos.
+		add_theme_support( 'jetpack-responsive-videos' );
+
+		// Add theme support for Content Options.
+		add_theme_support(
+			'jetpack-content-options',
+			array(
+				'post-details'    => array(
+					'stylesheet' => 'pressbook-style',
+					'date'       => '.posted-on',
+					'categories' => '.cat-links',
+					'tags'       => '.tag-links',
+					'author'     => '.byline',
+					'comment'    => '.comments-link',
+				),
+				'featured-images' => array(
+					'archive' => true,
+					'post'    => true,
+					'page'    => true,
+				),
+			)
+		);
+	}
+
+	/**
+	 * Custom render function for Infinite Scroll.
+	 */
+	public function infinite_scroll_render() {
+		while ( have_posts() ) {
+			the_post();
+			if ( is_search() ) {
+				get_template_part( 'template-parts/content', 'search' );
+			} else {
+				get_template_part( 'template-parts/content' );
+			}
+		}
+	}
+}