MT | ETP | Ask users to enable JavaScript before checking out with ET+

Tribe__Snippet__Attendee_Meta_Noscript.php

<?php

/**
 * Adds a notice to your ticket purchase forms asking users without JavaScript enabled to enable it
 */
class Tribe__Snippet__Attendee_Meta_Noscript {
	protected $tickets_hook;

	public function __construct() {
		add_filter( 'tribe_tickets_commerce_tickets_form_hook', array( $this, 'get_hook' ), PHP_INT_MAX );
	}

	/**
	 * Dirty hack to get the return of a private method
	 *
	 * @see tribe_tickets_commerce_tickets_form_hook
	 */
	public function get_hook( $hook ) {
		if ( $this->tickets_hook !== $hook ) {
			$this->tickets_hook = $hook;
			add_action( $hook, array( $this, 'output_noscript' ), 0 );
		}

		return $hook;
	}

	function output_noscript() {
		$message = __( 'Please enable JavaScript to obtain tickets.' );

		printf(
			'<noscript><p class="tribe-link-tickets-message">%s</p></noscript>',
			$message
		);
	}
}
new Tribe__Snippet__Attendee_Meta_Noscript();