system.php

<?php
/**
 * The System module is being replaced by new code organization in ../core.php.
 */
use tangible\date;
use tangible\framework;
use tangible\template_system;

if (!function_exists('tangible_template_system')) {
  function tangible_template_system( $arg = false ) {
    static $o;
    return $arg === false ? $o : ( $o = $arg );
  }
}

(include __DIR__.'/../module-loader.php')(new class extends \stdClass {

  public $name = 'tangible_template_system';
  public $version = '20260601';

  public $url;
  public $path;
  public $file_path;

  public $has_plugin = [];

  function load() {
    $this->path      = __DIR__;
    $this->file_path = __FILE__;

    tangible_template_system( $this );

    /**
     * During plugin activation, the newest version of Framework or other modules is not
     * guaranteed due to how WordPress runs the `plugins_loaded` action *before* loading
     * plugins and modules, short-circuiting the version comparison logic.
     * 
     * After activation, they are loaded normally. To ensure newest modules, use them
     * during or after `plugins_loaded` action.
     * 
     * @see https://developer.wordpress.org/reference/functions/register_activation_hook/#more-information
     * @see https://github.com/WordPress/wordpress-develop/blob/8a52d746e9bb85604f6a309a87d22296ce1c4280/src/wp-admin/includes/plugin.php#L2381C10-L2381C31
     */
    if (defined('WP_SANDBOX_SCRAPING')) return;

    // Keep trailing slash for backward compatibility
    $this->url       = trailingslashit( framework\module_url( __FILE__ ) );

    $system = $plugin = $this;

    require_once __DIR__.'/../core.php';

    // Backward compatibility
    $system->has_plugin = template_system\get_active_plugins();

    $ready_hook = "{$system->name}_ready";
    do_action( $ready_hook, $system );
    remove_all_actions( $ready_hook );

    add_action('plugins_loaded', function() use ( $system ) {
      // For any callbacks that registered later
      do_action( "{$system->name}_ready", $system );
    }, 12); // After plugins register
  }

  function ready( $callback ) {
    if ( did_action( "{$this->name}_ready" ) ) {
      return $callback( $this );
    }
    add_action( "{$this->name}_ready", $callback );
  }

  // Mock $plugin methods during transition from plugin to module
  function is_multisite() { return false; }
  function get_settings() { return []; }
  function update_settings() {}

  // Dynamic methods for backward compatibility
  function __call( $method = '', $args = [] ) {
    if ( isset( $this->$method ) ) {
      return call_user_func_array( $this->$method, $args );
    }
    $caller = current( debug_backtrace() );
    trigger_error( "Undefined method \"$method\" for {$this->name}, called from <b>{$caller['file']}</b> on line <b>{$caller['line']}</b><br>", E_USER_WARNING );
  }
});