- File: AssetLoader.php
- Full Path: /home/matthif/www/wp-content/plugins/optinmonster/OMAPI/AssetLoader.php
- Date Modified: 01/24/2025 1:58 PM
- File size: 5.59 KB
- MIME-type: text/x-php
- Charset: utf-8
<?php
/**
* Asset Loader class.
*
* @since 2.0.0
*
* @package OMAPI
* @author Justin Sternberg
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* A special asset loader built specifically to enqueue
* JS and CSS built by create-react-app
*
* @author Justin Sternberg <jsternberg@awesomemotive.com>
*/
class OMAPI_AssetLoader {
/**
* The directory in which the assets can be found
*
* @since 2.0.0
*
* @var string
*/
protected $directory;
/**
* The asset file to load.
*
* @since 2.0.0
*
* @var string
*/
protected $manifestFile = 'manifest.json';
/**
* The array of script handles.
*
* @since 2.0.0
*
* @var array
*/
public $handles = array(
'js' => array(),
'css' => array(),
);
/**
* The class constructor.
*
* @since 2.0.0
*
* @param string $directory The base directory to use.
* @param string $manifestFile The manifest file to use.
*/
public function __construct( $directory, $manifestFile = 'manifest.json' ) {
$this->directory = $directory;
$this->manifestFile = $manifestFile;
}
/**
* Uses the built-in WP asset enqueuing to add the manifest assets.
*
* @since 2.0.0
*
* @param array $options Enqueue options.
* @return void
* @throws Exception If webpack assets not found.
*/
public function enqueue( array $options = array() ) {
$defaults = array(
'base_path' => $this->directory,
'base_url' => $this->directory,
'version' => time(),
);
$options = wp_parse_args( $options, $defaults );
$assets = $this->getAssetsList( $options['base_path'] );
if ( empty( $assets ) ) {
throw new \Exception( 'No webpack assets found.' );
}
foreach ( $assets as $assetPath ) {
$isJs = preg_match( '/\.js$/', $assetPath );
$isCss = ! $isJs && preg_match( '/\.css$/', $assetPath );
// Ignore source maps and images.
if ( ! $isCss && ! $isJs ) {
continue;
}
$handle = basename( $assetPath );
$handle = 0 !== strpos( $handle, 'wp-om-' ) ? 'wp-om-' . $handle : $handle;
$uri = $this->getAssetUri( trim( $assetPath, '/' ), $options['base_url'] );
if ( $isJs || $isCss ) {
$should_enqueue = apply_filters( 'optin_monster_should_enqueue_asset', true, $handle, $uri, $isJs, $this );
if ( ! $should_enqueue ) {
continue;
}
if ( $isJs ) {
$this->handles['js'][] = $handle;
wp_enqueue_script( $handle, $uri, array(), $options['version'], true );
} else {
$this->handles['css'][] = $handle;
wp_enqueue_style( $handle, $uri, array(), $options['version'] );
}
}
}
}
/**
* Localize data for the enqueued script(s).
*
* @since 2.0.0
*
* @param array $args Array of data to send to JS.
*
* @return OMAPI_AssetLoader
*/
public function localize( $args ) {
foreach ( $this->handles['js'] as $handle ) {
OMAPI_Utils::add_inline_script( $handle, 'omWpApi', $args );
if ( isset( $args['omStaticDataKey'] ) ) {
OMAPI_Utils::add_inline_script( $handle, 'omStaticDataKey', $args['omStaticDataKey'] );
}
// We only need to output once.
break;
}
return $this;
}
/**
* Attempts to load the asset manifest.
*
* @since 2.0.0
*
* @param string $assetPath The asset path.
* @return null|Array
*/
protected function loadAssetFile( $assetPath ) {
static $resources = array();
if ( isset( $resources[ $assetPath ] ) ) {
return $resources[ $assetPath ];
}
$url = filter_var( $assetPath, FILTER_VALIDATE_URL );
$contents = '';
if ( $url ) {
$results = wp_remote_get(
$assetPath,
array(
'sslverify' => false,
)
);
$contents = wp_remote_retrieve_body( $results );
} elseif ( file_exists( $assetPath ) ) {
ob_start();
include_once $assetPath;
$contents = ob_get_clean();
}
if ( empty( $contents ) ) {
return null;
}
$resources[ $assetPath ] = json_decode( $contents, true );
return $resources[ $assetPath ];
}
/**
* Finds the asset manifest in the given directory.
*
* @since 2.0.0
*
* @param string $directory The directory to append to the manifest file.
* @return array The assets themselves or an array of parsed assets.
*/
public function getAssetsList( $directory ) {
$directory = trailingslashit( $directory );
$assets = $this->loadAssetFile( $directory . $this->manifestFile );
return ! empty( $assets ) ? array_values( $assets ) : array();
}
/**
* Infer a base web URL for a file system path.
*
* @since 2.0.0
*
* @param string $path Filesystem path for which to return a URL.
* @return string|null
*/
protected function inferBaseUrl( $path ) {
if ( strpos( $path, get_stylesheet_directory() ) === 0 ) {
return get_theme_file_uri( substr( $path, strlen( get_stylesheet_directory() ) ) );
}
if ( strpos( $path, get_template_directory() ) === 0 ) {
return get_theme_file_uri( substr( $path, strlen( get_template_directory() ) ) );
}
// Any path not known to exist within a theme is treated as a plugin path.
$pluginPath = plugin_dir_path( __FILE__ );
if ( strpos( $path, $pluginPath ) === 0 ) {
return plugin_dir_url( __FILE__ ) . substr( $path, strlen( $pluginPath ) );
}
return '';
}
/**
* Return web URIs or convert relative filesystem paths to absolute paths.
*
* @since 2.0.0
*
* @param string $assetPath A relative filesystem path or full resource URI.
* @param string $baseUrl A base URL to prepend to relative bundle URIs.
* @return string
*/
public function getAssetUri( $assetPath, $baseUrl ) {
if ( strpos( $assetPath, '://' ) !== false ) {
return $assetPath;
}
return trailingslashit( $baseUrl ) . $assetPath;
}
}