wp-parsely / src / class-scripts.php

class-scripts.php in Parse.ly 3.21.2, at src/class-scripts.php

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1	<?php
2	/**
3	* Scripts class
4	*
5	* @package Parsely
6	* @since 3.0.0
7	*/
8
9	declare(strict_types=1);
10
11	namespace Parsely;
12
13	use Parsely\Utils\Utils;
14
15	/**
16	* Inserts the scripts and tracking code into the site's front-end.
17	*
18	* @since 1.0.0
19	* @since 3.0.0 Moved from class-parsely to separate file.
20	*/
21	class Scripts {
22	/**
23	* Instance of Parsely class.
24	*
25	* @var Parsely
26	*/
27	private $parsely;
28
29	/**
30	* Constructor.
31	*
32	* @param Parsely $parsely Instance of Parsely class.
33	*/
34	public function __construct( Parsely $parsely ) {
35	$this->parsely = $parsely;
36	}
37
38	/**
39	* Registers scripts.
40	*
41	* @since 3.0.0
42	*/
43	public function run(): void {
44	$parsely_options = $this->parsely->get_options();
45	if ( $this->parsely->site_id_is_set() && true !== $parsely_options['disable_javascript'] ) {
46	add_action( 'init', array( $this, 'register_scripts' ) );
47	add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_js_tracker' ) );
48	}
49	}
50
51	/**
52	* Registers scripts, if there's a Site ID value saved.
53	*
54	* @since 2.5.0
55	* @since 3.0.0 Rename from register_js.
56	*/
57	public function register_scripts(): void {
58	wp_register_script(
59	'wp-parsely-tracker',
60	$this->parsely->get_tracker_url(),
61	array(),
62	PARSELY_VERSION,
63	true
64	);
65
66	$loader_asset = Utils::get_asset_info( 'build/loader.asset.php' );
67
68	wp_register_script(
69	'wp-parsely-loader',
70	plugin_dir_url( PARSELY_FILE ) . 'build/loader.js',
71	$loader_asset['dependencies'],
72	$loader_asset['version'],
73	true
74	);
75	}
76
77	/**
78	* Enqueues the JavaScript code required to send off beacon requests.
79	*
80	* @since 2.5.0 Rename from insert_parsely_javascript.
81	* @since 3.0.0 Rename from load_js_tracker.
82	*/
83	public function enqueue_js_tracker(): void {
84	if ( is_preview() ) {
85	return;
86	}
87
88	$parsely_options = $this->parsely->get_options();
89
90	global $post;
91	$display = true;
92	if ( in_array( get_post_type(), $parsely_options['track_post_types'], true ) && ! Parsely::post_has_trackable_status( $post ) ) {
93	$display = false;
94	}
95	if ( ! $parsely_options['track_authenticated_users'] && $this->parsely->is_blog_member_logged_in() ) {
96	$display = false;
97	}
98	if ( ! in_array( get_post_type(), $parsely_options['track_post_types'], true ) && ! in_array( get_post_type(), $parsely_options['track_page_types'], true ) ) {
99	$display = false;
100	}
101
102	/**
103	* Filters whether to enqueue the Parsely JavaScript tracking script from the CDN.
104	*
105	* If true, the script is enqueued.
106	*
107	* @since 2.5.0
108	*
109	* @param bool $display True if the JavaScript file should be included. False if not.
110	*/
111	if ( ! apply_filters( 'wp_parsely_load_js_tracker', $display ) ) {
112	return;
113	}
114
115	if ( false === has_filter( 'script_loader_tag', array( $this, 'script_loader_tag' ) ) ) {
116	add_filter( 'script_loader_tag', array( $this, 'script_loader_tag' ), 10, 3 );
117	}
118
119	wp_enqueue_script( 'wp-parsely-loader' );
120	wp_enqueue_script( 'wp-parsely-tracker' );
121
122	// If we don't have an API secret, there's no need to set the Site ID.
123	// Setting the Site ID triggers the UUID Profile Call function.
124	if ( $this->parsely->api_secret_is_set() ) {
125	$js_site_id = "window.wpParselySiteId = '" . esc_js( $this->parsely->get_site_id() ) . "';";
126	wp_add_inline_script( 'wp-parsely-loader', $js_site_id, 'before' );
127	}
128
129	if ( true === $parsely_options['disable_autotrack'] ) {
130	$disable_autotrack = 'window.wpParselyDisableAutotrack = true;';
131	wp_add_inline_script( 'wp-parsely-loader', $disable_autotrack, 'before' );
132	}
133	}
134
135	/**
136	* Filters the script tag for certain scripts to add needed attributes.
137	*
138	* @since 2.5.0
139	*
140	* @param string $tag The `script` tag for the enqueued script.
141	* @param string $handle The script's registered handle.
142	* @param string $src Unused? The script's source URL.
143	* @return string Amended `script` tag.
144	*/
145	public function script_loader_tag( // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed
146	string $tag,
147	string $handle,
148	string $src
149	): string {
150	if ( \in_array(
151	$handle,
152	array(
153	'wp-parsely-loader',
154	'wp-parsely-tracker',
155	'wp-parsely-recommended-widget',
156	),
157	true
158	) ) {
159	/**
160	* Filter whether to include the CloudFlare Rocket Loader attribute (`data-cfasync=false`) in the script.
161	* Only needed if the site being served is behind Cloudflare. Should return false otherwise.
162	* https://support.cloudflare.com/hc/en-us/articles/200169436-How-can-I-have-Rocket-Loader-ignore-specific-JavaScripts
163	*
164	* @since 3.0.0
165	*
166	* @param bool $enabled True if enabled, false if not.
167	* @param string $handle The script's registered handle.
168	*/
169	if ( apply_filters( 'wp_parsely_enable_cfasync_attribute', false, $handle ) ) {
170	$tag = preg_replace( '/^<script /', '<script data-cfasync="false" ', $tag );
171	}
172	}
173
174	if ( null !== $tag && 'wp-parsely-tracker' === $handle ) {
175	$tag = preg_replace( '/ id=(["\'])wp-parsely-tracker-js\1/', ' id="parsely-cfg"', $tag );
176
177	if ( null !== $tag ) {
178	$tag = str_replace(
179	' src=',
180	' data-parsely-site="' . esc_attr( $this->parsely->get_site_id() ) . '" src=',
181	$tag
182	);
183	}
184	}
185
186	return $tag ?? '';
187	}
188	}
189