Enable Block Editor For Campaigns

/**

 * The following code will modify the way the Campaign post type

 * is set up to so that it uses the block editor instead of the

 * classic editor.

 */

add_filter( 'charitable_campaign_post_type', function( $post_type_args ) {

    $post_type_args['show_in_rest'] = true;

	$post_type_args['supports'][] = 'editor';

    return $post_type_args;

} );

/**

 * This function is also needed to remove the "Extended Description" meta box

 * which would otherwise override the content in the Block Editor.

 */

add_action( 'init', function() {

	charitable()->campaign_fields()->get_field( 'post_content' )->admin_form = false;

});