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<?php declare (strict_types=1); namespace Rector\CodingStyle\Rector\Ternary; use PhpParser\Node; use PhpParser\Node\Expr\Assign; use PhpParser\Node\Expr\Ternary; use PhpParser\Node\Expr\Variable; use Rector\NodeTypeResolver\Node\AttributeKey; use Rector\Rector\AbstractRector; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\CodingStyle\Rector\Ternary\TernaryConditionVariableAssignmentRector\TernaryConditionVariableAssignmentRectorTest */ final class TernaryConditionVariableAssignmentRector extends AbstractRector { public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Assign outcome of ternary condition to variable, where applicable', [new CodeSample(<<<'CODE_SAMPLE' function ternary($value) { $value ? $a = 1 : $a = 0; } CODE_SAMPLE , <<<'CODE_SAMPLE' function ternary($value) { $a = $value ? 1 : 0; } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [Ternary::class]; } /** * @param Ternary $node */ public function refactor(Node $node) : ?Node { $nodeIf = $node->if; $nodeElse = $node->else; if (!$nodeIf instanceof Assign) { return null; } if (!$nodeElse instanceof Assign) { return null; } $nodeIfVar = $nodeIf->var; $nodeElseVar = $nodeElse->var; if (!$nodeIfVar instanceof Variable) { return null; } if (!$nodeElseVar instanceof Variable) { return null; } if ($nodeIfVar->name !== $nodeElseVar->name) { return null; } $assignedTo = $node->getAttribute(AttributeKey::IS_ASSIGNED_TO); if ($assignedTo === \true) { return null; } $node->if = $nodeIf->expr; $node->else = $nodeElse->expr; $variable = new Variable($nodeIfVar->name); return new Assign($variable, $node); } }
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