soderlind/debug-bar-list-dependencies

<?php
/**
 * Debug Bar List Script & Style Dependencies - Debug Bar Panel.
 *
 * @package     WordPress\Plugins\Debug Bar List Dependencies
 * @author      Per Soderlind
 * @link        https://github.com/soderlind/debug-bar-list-dependencies
 * @version     1.1.1
 */

if ( class_exists( 'Debug_Bar_Panel' ) && ! class_exists( 'PS_Listdeps_Debug_Bar_Panel' ) ) {

    /**
     * Debug Bar List Dependencies Panel.
     */
    class PS_Listdeps_Debug_Bar_Panel extends Debug_Bar_Panel {

        const DBLD_NAME = 'debug-bar-list-deps';

        const DBLD_STYLES_VERSION = '1.1.1';

        /**
         * Constructor.
         */
        public function init() {
            $this->title( __( 'Script & Style Dependencies', 'debug-bar-list-dependencies' ) );

            $this->load_textdomain( 'debug-bar-list-dependencies' );

            add_action( 'wp_enqueue_scripts', array( $this, 'enqueue' ) );
            add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ) );
        }

        /**
         * Load the plugin text strings.
         *
         * Compatible with use of the plugin in the must-use plugins directory.
         *
         * {@internal No longer needed since WP 4.6, though the language loading in
         * WP 4.6 only looks at the `wp-content/languages/` directory and disregards
         * any translations which may be included with the plugin.
         * This is acceptable for plugins hosted on org, especially if the plugin
         * is new and never shipped with it's own translations, but not when the plugin
         * is hosted elsewhere.
         * Can be removed if/when the minimum required version for this plugin is ever
         * upped to 4.6. The `languages` directory can be removed in that case too.
         * See: {@link https://core.trac.wordpress.org/ticket/34213} and
         * {@link https://core.trac.wordpress.org/ticket/34114} }}
         *
         * @param string $domain Text domain to load.
         */
        protected function load_textdomain( $domain ) {
            if ( function_exists( '_load_textdomain_just_in_time' ) ) {
                return;
            }

            if ( is_textdomain_loaded( $domain ) ) {
                return;
            }

            $lang_path = dirname( plugin_basename( __FILE__ ) ) . '/languages';
            if ( false === strpos( __FILE__, basename( WPMU_PLUGIN_DIR ) ) ) {
                load_plugin_textdomain( $domain, false, $lang_path );
            } else {
                load_muplugin_textdomain( $domain, $lang_path );
            }
        }

        /**
         * Enqueue the css file.
         */
        public function enqueue() {
            $suffix = ( ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min' );
            wp_enqueue_style( self::DBLD_NAME, plugins_url( 'css/debug-bar-list-deps' . $suffix . '.css', __FILE__ ), array( 'debug-bar' ), self::DBLD_STYLES_VERSION );
        }

        /**
         * Render the output.
         */
        public function render() {
            global $wp_scripts, $wp_styles;

            $loaded_scripts = array_merge( $wp_scripts->done, $wp_scripts->in_footer );
            $loaded_scripts = array_unique( $loaded_scripts );
            $styles         = $wp_styles->done;

            echo '
        <div class="debug-bar-list-dependencies">
            <h2><span>',
            esc_html__( 'Total Enqueued Scripts:', 'debug-bar-list-dependencies' ),
            '</span>', count( $loaded_scripts ), '</h2>
            <h2><span>',
            esc_html__( 'Total Enqueued Styles:', 'debug-bar-list-dependencies' ),
            '</span>', count( $styles ), '</h2>';

            $i = 1;
            $this->render_table_header( __( 'Enqueued Scripts', 'debug-bar-list-dependencies' ) );
            foreach ( $loaded_scripts as $loaded_script ) {
                $this->render_table_row(
                    $i,
                    $loaded_script,
                    $wp_scripts->registered[ $loaded_script ]->deps,
                    $wp_scripts->registered[ $loaded_script ]->src
                );
                $i++;
            }
            $this->render_table_close();

            $i = 1;
            $this->render_table_header( __( 'Enqueued Styles', 'debug-bar-list-dependencies' ) );
            foreach ( $styles as $loaded_styles ) {
                $this->render_table_row(
                    $i,
                    $loaded_styles,
                    $wp_styles->registered[ $loaded_styles ]->deps,
                    $wp_styles->registered[ $loaded_styles ]->src
                );
                $i++;
            }
            $this->render_table_close();

            echo '
        </div>';
        }

        /**
         * Render the table header.
         *
         * @param string $title Panel title.
         */
        private function render_table_header( $title ) {
            echo '
                  <h3>', esc_html( $title ), '</h3>
            <table class="debug-bar-table deps-table">
                <thead>
                    <tr><th>',
                    esc_html__( 'Order', 'debug-bar-list-dependencies' ),
                    '</th><th>',
                    esc_html__( 'Loaded', 'debug-bar-list-dependencies' ),
                    '</th><th>',
                    esc_html__( 'Dependencies', 'debug-bar-list-dependencies' ),
                    '</th></tr>
                </thead>
                <tbody>';
        }

        /**
         * Render a table row.
         *
         * @param int    $row_nr       The row number.
         * @param string $item         The current item to render.
         * @param array  $dependencies The dependencies for the current item.
         * @param string $src          The source url for the current item.
         */
        private function render_table_row( $row_nr, $item, $dependencies, $src ) {
            echo '<tr><td>', (int) $row_nr, '</td><td>',
                esc_html( $item ),
                '</td><td>';

            if ( ! empty( $dependencies ) && is_array( $dependencies ) ) {
                $dependency_string = '';

                // Remove the last item from $dependencies & remember it.
                $last = array_pop( $dependencies );

                if ( ! empty( $dependencies ) ) {
                    $dependency_string = esc_html( implode( ', ', $dependencies ) ) .
                        ' <span class="glue">' . esc_html__( 'and', 'debug-bar-list-dependencies' ) . '</span> ';
                }

                echo $dependency_string, esc_html( $last ); // WPCS: XSS ok.
            } else {
                echo '&nbsp;';
            }

            echo '</td></tr>',
                '<tr class="src"><td>&nbsp;</td><td colspan="2">',
                esc_html( $src ),
                '</td></tr>', "\n";
        }

        /**
         * Render the table closing.
         */
        private function render_table_close() {
            echo '
                </tbody>
                  </table>';
        }
    }
}