golden hour

/var/www/html/wp-content/plugins/the-events-calendar/src/Tribe

File/Folder	Size	Actions
API.php	27.83 KB
Adjacent_Events.php	9.13 KB
Admin	-
Admin_List.php	14.59 KB
Aggregator	-
Aggregator.php	16.7 KB
Ajax	-
Amalgamator.php	8.86 KB
Assets.php	19.96 KB
Backcompat.php	2.79 KB
Bar.php	3.28 KB
Capabilities.php	5.56 KB
Collections	-
Constants.php	1.64 KB
Cost_Utils.php	4.81 KB
Customizer	-
Dates	-
Deactivation.php	1.31 KB
Default_Values.php	793 B
Editor	-
Editor.php	16.92 KB
Embedded_Maps.php	5.37 KB
Event_Cleaner.php	2.59 KB
Event_Cleaner_Scheduler.php	5.95 KB
Event_Tickets	-
Featured_Events	-
Featured_Events.php	1.75 KB
Front_Page_View.php	9.87 KB
Google	-
Gutenberg.php	2.71 KB
I18n.php	10.51 KB
Ignored_Events.php	31.25 KB
Importer	-
Integrations	-
JSON_LD	-
Linked_Posts	-
Linked_Posts.php	43.79 KB
List_Widget.php	7.64 KB
Main.php	195.46 KB
Meta	-
Models	-
Options_Exception.php	890 B
Organizer.php	22.22 KB
Plugin_Register.php	675 B
Post_Exception.php	859 B
Privacy.php	1.31 KB
Query.php	54.4 KB
REST	-
Recurring_Event_Cleanup.php	2.13 KB
Repositories	-
Revisions	-
Rewrite.php	30.31 KB
Service_Providers	-
Shortcode	-
Template	-
Template_Factory.php	17.79 KB
Templates.php	24.04 KB
Timezones.php	6.37 KB
Updater.php	8.13 KB
Utils	-
Validator	-
Venue.php	22.95 KB
Views	-
iCal.php	26.37 KB

Edit: Gutenberg.php

<?php
class Tribe__Events__Gutenberg {
	/**
	 * Extension hooks and initialization; exits if the extension is not authorized by Tribe Common to run.
	 *
	 * @since  4.6.13
	 */
	public function hook() {
		// Bail if we already have the extension
		if ( $this->is_extension_active() ) {
			return;
		}

// Bail if Gutenberg is not active
		if ( ! $this->is_gutenberg_active() || ! $this->is_blocks_editor_active() ) {
			return;
		}

tribe_notice(
			'gutenberg-extension',
			[ $this, 'notice' ],
			[
				'type'    => 'warning',
				'dismiss' => 1,
				'wrap'    => 'p',
			]
		);
	}

/**
	 * Checks if we have The Events Calendar Gutenberg Extension active
	 *
	 * @since  4.6.13
	 *
	 * @return boolean
	 */
	public function is_extension_active() {
		return class_exists( 'Tribe__Gutenberg__Plugin' );
	}

/**
	 * Checks if we have Gutenberg Project online, only useful while
	 * its a external plugin
	 *
	 * @todo   Revise when Gutenberg is merged into core
	 *
	 * @since  4.6.13
	 *
	 * @return boolean
	 */
	public function is_gutenberg_active() {
		return function_exists( 'the_gutenberg_project' );
	}

/**
	 * Checks if we have Editor Block active
	 *
	 * @since  4.6.13
	 *
	 * @return boolean
	 */
	public function is_blocks_editor_active() {
		return function_exists( 'register_block_type' ) && function_exists( 'unregister_block_type' );
	}

/**
	 * Checks if we should display Event Metabox fields
	 *
	 * Currently only used for fields that we want to hide because they
	 * already have a block to replace.
	 *
	 * @since  4.6.25
	 *
	 * @return boolean
	 */
	public function should_display() {
		// Hide when all of these three are active
		return ! ( $this->is_gutenberg_active() && $this->is_extension_active() && $this->is_blocks_editor_active() );
	}

/**
	 * Checks if we are on the classic editor page
	 *
	 * @since  4.6.26
	 *
	 * @return boolean
	 */
	public function is_classic_editor_page() {
		$on_classic_editor_page = tribe_get_request_var( 'classic-editor', false );

// Bail if in classic editor
		if ( '' === $on_classic_editor_page || $on_classic_editor_page ) {
			return true;
		}

return false;
	}

/**
	 * HTML for the notice from Gutenberg Extension download
	 *
	 * @since  4.6.13
	 *
	 * @return string
	 */
	public function notice() {
		if ( ! current_user_can( 'activate_plugins' ) ) {
			return false;
		}

$url = 'http://evnt.is/19zc';
		$link = sprintf(
			'<a href="%1$s" target="_blank">%2$s</a>',
			esc_url( $url ),
			esc_html__( 'Download our Events Gutenberg extension and start using the block editor on your events!', 'the-events-calendar' )
		);
		$text = __( 'Looks like you are using Gutenberg on this WordPress installation. %1$s', 'the-events-calendar' );

return sprintf( $text, $link );
	}
}