wp_admin_bar_command_palette_menu( WP_Admin_Bar $wp_admin_bar )

947function wp_admin_bar_command_palette_menu( WP_Admin_Bar $wp_admin_bar ): void {948	if ( ! is_admin() || ! wp_script_is( 'wp-core-commands', 'enqueued' ) ) {949		return;950	}951 952	$shortcut_labels = array(953		'appleOS' => _x( '⌘K', 'keyboard shortcut to open the command palette' ),954		'default' => _x( 'Ctrl+K', 'keyboard shortcut to open the command palette' ),955	);956	$apple_pattern   = 'Macintosh|Mac OS X|Mac_PowerPC';957	$is_apple_os     = (bool) preg_match( "/{$apple_pattern}/i", $_SERVER['HTTP_USER_AGENT'] ?? '' );958	$shortcut_label  = $is_apple_os ? $shortcut_labels['appleOS'] : $shortcut_labels['default'];959	$title           = sprintf(960		'<span class="ab-icon" aria-hidden="true"></span><span class="ab-label"><kbd>%s</kbd><span class="screen-reader-text"> %s</span></span>',961		$shortcut_label,962		/* translators: Hidden accessibility text. */963		__( 'Open command palette' ),964	);965	/*966	 * Detect Apple OS via JavaScript for sites behind a CDN blocking the UA header.967	 *968	 * Running the script as the admin bar is rendered avoids a flash of incorrect content969	 * for users with Apple OS when the UA header is blocked. It also prevents the need for970	 * wp-i18n to be loaded as a dependency.971	 */972	$function = <<<'JS'973		( applePattern, appleOSLabel ) => {974			if ( ! ( new RegExp( applePattern, 'i' ) ).test( navigator.userAgent ) ) {975				return;976			}977			const kbd = document.querySelector( '#wp-admin-bar-command-palette .ab-label kbd' );978			if ( kbd ) {979				kbd.textContent = appleOSLabel;980			}981		}982	JS;983	$script   = sprintf(984		'( %s )( %s, %s );',985		$function,986		wp_json_encode( $apple_pattern, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ),987		wp_json_encode( $shortcut_labels['appleOS'], JSON_HEX_TAG | JSON_UNESCAPED_SLASHES )988	);989	$script  .= "\n//# sourceURL=" . rawurlencode( __FUNCTION__ );990	$wp_admin_bar->add_node(991		array(992			'id'    => 'command-palette',993			'title' => $title,994			'href'  => '#',995			'meta'  => array(996				'class'   => 'hide-if-no-js',997				'onclick' => 'wp.data.dispatch( "core/commands" ).open(); return false;',998				'html'    => wp_get_inline_script_tag( $script ),999			),1000		)1001	);1002}