class BeforeCommand in Drupal 10

An AJAX command for calling the jQuery before() method.

The 'insert/before' command instructs the client to use jQuery's before() method to insert the given HTML content before each of elements matched by the given selector.

This command is implemented by Drupal.AjaxCommands.prototype.insert() defined in misc/ajax.js.

Hierarchy

• class \Drupal\Core\Ajax\InsertCommand implements CommandInterface, CommandWithAttachedAssetsInterface uses CommandWithAttachedAssetsTrait
  • class \Drupal\Core\Ajax\BeforeCommand

See also

http://docs.jquery.com/Manipulation/before#content

Related topics

Ajax API

Overview for Drupal's Ajax API.

2 files declare their use of BeforeCommand

AjaxCommandsTest.php in core/tests/Drupal/Tests/Core/Ajax/AjaxCommandsTest.php

ajax_forms_test.module in core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module

Mock module for Ajax forms testing.

File

core/lib/Drupal/Core/Ajax/BeforeCommand.php, line 19

Namespace

Drupal\Core\Ajax

class BeforeCommand extends InsertCommand {

  /**
   * Implements Drupal\Core\Ajax\CommandInterface:render().
   */
  public function render() {
    return [
      'command' => 'insert',
      'method' => 'before',
      'selector' => $this->selector,
      'data' => $this
        ->getRenderedContent(),
      'settings' => $this->settings,
    ];
  }

}