mirror of https://github.com/rectorphp/rector.git
89 lines
2.7 KiB
PHP
89 lines
2.7 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php74\Rector\Closure;
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use PhpParser\Node;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\ArrowFunction;
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use PhpParser\Node\Expr\Closure;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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use Rector\Php74\NodeAnalyzer\ClosureArrowFunctionAnalyzer;
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use Rector\Rector\AbstractRector;
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use Rector\ValueObject\PhpVersionFeature;
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use Rector\VersionBonding\Contract\MinPhpVersionInterface;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @changelog https://wiki.php.net/rfc/arrow_functions_v2
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*
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* @see \Rector\Tests\Php74\Rector\Closure\ClosureToArrowFunctionRector\ClosureToArrowFunctionRectorTest
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*/
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final class ClosureToArrowFunctionRector extends AbstractRector implements MinPhpVersionInterface
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{
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/**
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* @readonly
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* @var \Rector\Php74\NodeAnalyzer\ClosureArrowFunctionAnalyzer
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*/
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private $closureArrowFunctionAnalyzer;
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public function __construct(ClosureArrowFunctionAnalyzer $closureArrowFunctionAnalyzer)
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{
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$this->closureArrowFunctionAnalyzer = $closureArrowFunctionAnalyzer;
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}
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Change closure to arrow function', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($meetups)
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{
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return array_filter($meetups, function (Meetup $meetup) {
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return is_object($meetup);
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});
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($meetups)
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{
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return array_filter($meetups, fn(Meetup $meetup) => is_object($meetup));
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [Closure::class];
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}
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/**
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* @param Closure $node
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*/
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public function refactor(Node $node) : ?Node
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{
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$returnExpr = $this->closureArrowFunctionAnalyzer->matchArrowFunctionExpr($node);
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if (!$returnExpr instanceof Expr) {
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return null;
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}
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$arrowFunction = new ArrowFunction(['params' => $node->params, 'returnType' => $node->returnType, 'byRef' => $node->byRef, 'expr' => $returnExpr]);
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if ($node->static) {
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$arrowFunction->static = \true;
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}
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$comments = $node->stmts[0]->getAttribute(AttributeKey::COMMENTS) ?? [];
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if ($comments !== []) {
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$this->mirrorComments($arrowFunction->expr, $node->stmts[0]);
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$arrowFunction->setAttribute(AttributeKey::COMMENT_CLOSURE_RETURN_MIRRORED, \true);
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}
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return $arrowFunction;
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}
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::ARROW_FUNCTION;
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}
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}
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