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1<?php
2/**
3 * Jetpack Compatibility File
4 * See: https://jetpack.com/
5 *
6 * @package automattic/jetpack
7 */
8
9if ( ! defined( 'ABSPATH' ) ) {
10    exit( 0 );
11}
12
13/**
14 * Add Jetpack extra functionality to Twenty Twenty One.
15 */
16function twentytwentyone_jetpack_setup() {
17
18    /**
19     * Add theme support for Infinite Scroll.
20     */
21    add_theme_support(
22        'infinite-scroll',
23        array(
24            'type'      => 'click',
25            'container' => 'main',
26            'render'    => 'twentytwentyone_infinite_scroll_render',
27            'footer'    => 'main',
28        )
29    );
30}
31add_action( 'after_setup_theme', 'twentytwentyone_jetpack_setup' );
32
33/**
34 * Custom render function for Infinite Scroll.
35 */
36function twentytwentyone_infinite_scroll_render() {
37    while ( have_posts() ) {
38        the_post();
39        get_template_part( 'template-parts/content/content', get_theme_mod( 'display_excerpt_or_full_post', 'excerpt' ) );
40    }
41}
42
43/**
44 * Add our compat CSS file for custom styles.
45 * Set the version equal to filemtime for development builds, and the JETPACK__VERSION for production
46 * or skip it entirely for wpcom.
47 */
48function twentytwentyone_enqueue_jetpack_style() {
49    $version = Jetpack::is_development_version()
50    ? filemtime( JETPACK__PLUGIN_DIR . 'modules/theme-tools/compat/twentytwentyone.css' )
51    : JETPACK__VERSION;
52
53    wp_enqueue_style( 'twentytwentyone-jetpack', plugins_url( 'twentytwentyone.css', __FILE__ ), array(), $version );
54    wp_style_add_data( 'twentytwentyone-jetpack', 'rtl', 'replace' );
55}
56add_action( 'wp_enqueue_scripts', 'twentytwentyone_enqueue_jetpack_style' );