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<?php /** * Delay Js module. * * @package Hummingbird\Core\Modules * @since 3.5.0 / namespace Hummingbird\Core\Modules; use Hummingbird\Core\Module; use Hummingbird\Core\Traits\Module as ModuleContract; use Hummingbird\Core\Settings; use Hummingbird\Core\Utils; if ( ! defined( 'ABSPATH' ) ) { exit; } /* * Class Delay Js / class Delayjs extends Module { use ModuleContract; /* * Must exclude from delay js script. * * @var array / private $must_excluded = array( 'wphb-add-delay' ); /* * Holds excluded script IDs. * * @var array / public $excluded_script_ids = array(); /* * Initialize module. / public function init() { add_action( 'cornerstone_before_boot_app', array( $this, 'wphb_cs_disable_delay_for_app' ) ); add_action( 'cornerstone_before_custom_endpoint', array( $this, 'wphb_cs_disable_delay_for_app' ) ); add_action( 'cs_preview_frame_load', array( $this, 'wphb_cs_disable_delay_for_app' ) ); add_filter( 'wphb_buffer', array( $this, 'delay_js' ) ); if ( ! wp_next_scheduled( 'wphb_get_delay_js_exclusion' ) ) { wp_schedule_event( time(), 'daily', 'wphb_get_delay_js_exclusion' ); } add_action( 'wphb_get_delay_js_exclusion', array( $this, 'get_delay_js_exclusion' ) ); // Add delay js to scripts. add_action( 'wp_print_footer_scripts', array( $this, 'wphb_add_delay_js' ), 5 ); // Add delay scripts hub client page. add_action( 'wpmudev_hub_template_footer', array( $this, 'wphb_add_delay_js' ) ); // Fetch exclusion list on plugin activation. add_action( 'admin_init', array( $this, 'wphb_prelaod_exclusion_lists' ) ); add_action( 'wphb_load_exclusion_list_schedule_single_event', array( $this, 'wphb_load_exclusion_list_first_time_from_api' ) ); add_filter( 'wphb_minify_resource', array( $this, 'filter_resource_minify' ), 10, 4 ); } /* * Schedule the single event cron for exclusion lists. / public function wphb_prelaod_exclusion_lists() { $minify = Utils::get_module( 'minify' ); $options = $minify->get_options(); if ( isset( $options['delay_js_exclusion_list'] ) && false !== $options['delay_js_exclusion_list'] ) { return; } // Run the cron once. wp_schedule_single_event( time(), 'wphb_load_exclusion_list_schedule_single_event' ); } /* * Fetching the exclusion list from API first time only, this will only call once. / public function wphb_load_exclusion_list_first_time_from_api() { $this->call_api_and_update_exclusion_lists(); } /* * Call the API and fetched the latest exclusion list from server. / public function call_api_and_update_exclusion_lists() { $minify = Utils::get_module( 'minify' ); $api = Utils::get_api(); $response = $api->performance->get_delayjs_exclusion(); $options = $minify->get_options(); if ( ! is_wp_error( $response ) && ! empty( $response ) ) { $options['delay_js_exclusion_list'] = (array) $response; $minify->update_options( $options ); } elseif ( empty( $options['delay_js_exclusion_list'] ) ) { $options['delay_js_exclusion_list'] = $this->must_excluded; $minify->update_options( $options ); } } /* * Store the JS exclusion list in DB after getting it from API. / public function get_delay_js_exclusion() { // Return early, if minify and delay are not enabled. if ( ! $this->is_delay_enable() ) { return; } $this->call_api_and_update_exclusion_lists(); } /* * Disabled delay for Cornerstone Builder. / public function wphb_cs_disable_delay_for_app() { if ( ! defined( 'WPHBDONOTDELAYJS' ) ) { define( 'WPHBDONOTDELAYJS', true ); } } /* * Should we delay the script or not? * * @return bool / public function should_delay_script() { $avoid_delayjs = filter_input( INPUT_GET, 'avoid-delayjs', FILTER_VALIDATE_BOOLEAN ); if ( ! apply_filters( 'wphb_should_delay_js', true ) ) { return false; } if ( $avoid_delayjs \|\| ( defined( 'WPHBDONOTDELAYJS' ) && WPHBDONOTDELAYJS ) \|\| Utils::is_amp() \|\| Utils::wphb_is_page_builder() \|\| is_preview() \|\| is_customize_preview() ) { return false; } if ( Utils::get_module( 'exclusions' )->is_current_post_type_excluded() ) { return false; } if ( Utils::get_module( 'exclusions' )->is_current_page_excluded() ) { return false; } return true; } /* * Toggle CDN helper function. * * @param bool $value CDN status to set. / public function toggle_delay_js( $value ) { $minify_options = Utils::get_module( 'minify' ); $options = $minify_options->get_options(); $options['delay_js'] = $value; $minify_options->update_options( $options ); } /* * Print delay js script. * * @since 3.5.0 / public function wphb_add_delay_js() { if ( ! $this->should_delay_script() ) { return; } // Return early, if minify and delay are not enabled. if ( ! $this->is_delay_enable() ) { return; } // Prevent duplicate injection. static $script_already_printed = false; if ( $script_already_printed ) { return; } $options = Utils::get_module( 'minify' )->get_options(); $delay_js_file = WPHB_DIR_PATH . 'admin/assets/js/wphb-add-delay.min.js'; $delay_js_content = file_get_contents( $delay_js_file ); if ( ! empty( $delay_js_content ) ) { $script_already_printed = true; $delay_js_timeout = $options['delay_js_timeout']; $delay_js_content_timer = ''; if ( $delay_js_timeout > 0 ) { $delay_js_timeout_s = $delay_js_timeout 1000; $delay_js_content_timer = 'var delay_js_timeout_timer = ' . $delay_js_timeout_s . ';'; } echo '<script type="text/javascript" id="wphb-add-delay">' . $delay_js_content_timer . $delay_js_content . '</script>'; } } /** * Check delay and minify are active. * * @since 3.5.0 * * @return boolean / public function is_delay_enable() { if ( ! Utils::is_member() ) { return false; } $options = Utils::get_module( 'minify' )->get_options(); if ( ! Utils::get_module( 'minify' )->is_active() ) { return false; } $options = Utils::get_module( 'minify' )->get_options(); $delay_js = $options['delay_js']; if ( ! $delay_js ) { return false; } return true; } /* * Adds delay JS attribute to the page html. * * @since 3.5.0 * * @param string $html Html for the page. * * @return string / public function delay_js( $html ) { if ( ! $this->should_delay_script() ) { return $html; } // Return early, if minify and delay are not enabled. if ( ! $this->is_delay_enable() ) { return $html; } return $this->add_delay_to_scripts( $html ); } /* * Adds delay JS attribute to the page html. * * @since 3.11.0 * * @param string $html Html for the page. * * @return string / public function add_delay_to_scripts( $html ) { $replaced_html = preg_replace_callback( '/<\sscript\s(?<attr>[^>]?)?>(?<content>.?)?<\s\/\sscript\s>/ims', array( $this, 'wphb_replace_scripts', ), $html ); if ( empty( $replaced_html ) ) { return $html; } return $replaced_html; } /** * Returns an array of delay js exclusion. * * @since 3.5.0 * * @return array / public function get_pre_defined_exclusion_list() { $minify = Utils::get_module( 'minify' ); $options = $minify->get_options(); if ( isset( $options['delay_js_exclusion_list'] ) && ! empty( $options['delay_js_exclusion_list'] ) ) { return $options['delay_js_exclusion_list']; } return $this->must_excluded; } /* * Finds Delay js exclude. * * @since 3.5.0 * * @return array / public function wphb_find_delay_js_exclude() { return Utils::get_module( 'exclusions' )->get_combined_asset_path_exclusion_list_for_delay_js(); } /* * Filter minified resources. * * @param bool $value Current value. * @param string $handle Resource handle. * @param string $type Script or style. * @param string $url Script URL. * * @return bool / public function filter_resource_minify( $value, $handle, $type, $url ) { if ( $this->is_delay_enable() && 'scripts' === $type ) { $patterns = Utils::get_module( 'exclusions' )->get_combined_asset_path_exclusion_list_for_delay_js(); if ( empty( $patterns ) ) { return $value; } $combined_pattern = '#(' . implode( '\|', array_map( 'preg_quote', $patterns ) ) . ')#i'; if ( ! empty( $url ) && preg_match( $combined_pattern, $url ) ) { $this->excluded_script_ids[] = $handle; } } return $value; } /* * Adds wphb-delay-type to the JS scripts. * * @since 3.5.0 * * @param array $matches Matches array for scripts regex. * * @return string / public function wphb_replace_scripts( $matches ) { $excluded_patterns = $this->wphb_find_delay_js_exclude(); $excluded_ids = $this->excluded_script_ids; // Merge patterns and IDs into a single list. $exclusions = array_merge( $excluded_patterns, $excluded_ids ); foreach ( $exclusions as $item ) { if ( preg_match( "#{$item}#i", $matches[0] ) ) { return $matches[0]; } } if ( $this->should_exclude_inline_script_from_delay() && isset( $matches['attr'] ) && ! preg_match( '/src=["\']?([^"\'>]+)/', $matches['attr'] ) ) { return $matches[0]; } $matches['attr'] = trim( $matches['attr'] ); $delay_js = $matches[0]; if ( ! empty( $matches['attr'] ) ) { if ( strpos( $matches['attr'], 'type=' ) !== false && ! preg_match( '/type\s=\s["\'](?:text\|application)\/(?:(?:x\-)?javascript\|ecmascript\|jscript)["\']\|type\s=\s["\'](?:module)[ "\']/i', $matches['attr'] ) ) { return $matches[0]; } $delay_attr = preg_replace( '/type=(["\'])(.?)\1/i', 'data-wphb-$0', $matches['attr'], 1 ); if ( null !== $delay_attr ) { $delay_js = preg_replace( '#' . preg_quote( $matches['attr'], '#' ) . '#i', $delay_attr, $matches[0], 1 ); } } return str_ireplace( '<script', '<script type="wphb-delay-type"', $delay_js ); } /** * Check if inline script should not be delayed. * * @return bool */ public function should_exclude_inline_script_from_delay() { static $delay_js_exclude_inline_js = null; if ( null === $delay_js_exclude_inline_js ) { $delay_js_exclude_inline_js = Settings::get_setting( 'delay_js_exclude_inline_js', 'minify' ); } return $delay_js_exclude_inline_js \|\| apply_filters( 'wphb_do_not_delay_inline_scripts', false ); } }

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