File Core/Schema/RequestParams/EmptyRequestParams.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Core\Schema\RequestParams;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\RequestMetaObject;
18:	use Nexus\Mcp\Core\Schema\RequestParams;
19:
20:	/**
21:	* Default request params for methods that carry no typed fields beyond `_meta`.
22:	*
23:	* @see https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/schema/2025-11-25/schema.ts
24:	*/
25:	final readonly class EmptyRequestParams extends RequestParams
26:	{
27:	public function __construct(RequestMetaObject $meta = new RequestMetaObject())
28:	{
29:	parent::__construct($meta);
30:	}
31:
32:	#[\Override]
33:	public static function fromArray(array $data): static
34:	{
35:	$meta = new RequestMetaObject();
36:
37:	if (\array_key_exists('_meta', $data)) {
38:	Assert::that($data['_meta'])
39:	->isArray('"params._meta" must be an object, {type} given.')
40:	->isMap('"params._meta" must be a string-keyed object.')
41:	;
42:	$meta = RequestMetaObject::fromArray($data['_meta']);
43:	}
44:
45:	return new self($meta);
46:	}
47:	}
48: