mirror of https://github.com/rectorphp/rector.git
71 lines
2.2 KiB
PHP
71 lines
2.2 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodingStyle\Rector\Stmt;
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use RectorPrefix202403\Nette\Utils\Strings;
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use PhpParser\Node;
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use PhpParser\Node\Identifier;
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use PhpParser\Node\Stmt\Namespace_;
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use PhpParser\Node\Stmt\Use_;
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use Rector\PhpParser\Node\CustomNode\FileWithoutNamespace;
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use Rector\Rector\AbstractRector;
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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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* @see \Rector\Tests\CodingStyle\Rector\Stmt\RemoveUselessAliasInUseStatementRector\RemoveUselessAliasInUseStatementRectorTest
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*/
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final class RemoveUselessAliasInUseStatementRector extends AbstractRector
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Remove useless alias in use statement as same name with last use statement name', [new CodeSample(<<<'CODE_SAMPLE'
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use App\Bar as Bar;
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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use App\Bar;
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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 [FileWithoutNamespace::class, Namespace_::class];
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}
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/**
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* @param FileWithoutNamespace|Namespace_ $node
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* @return null|\Rector\PhpParser\Node\CustomNode\FileWithoutNamespace|\PhpParser\Node\Stmt\Namespace_
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*/
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public function refactor(Node $node)
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{
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$hasChanged = \false;
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foreach ($node->stmts as $stmt) {
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if (!$stmt instanceof Use_) {
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continue;
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}
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if (\count($stmt->uses) !== 1) {
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continue;
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}
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if (!isset($stmt->uses[0])) {
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continue;
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}
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$aliasName = $stmt->uses[0]->alias instanceof Identifier ? $stmt->uses[0]->alias->toString() : null;
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if ($aliasName === null) {
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continue;
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}
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$useName = $stmt->uses[0]->name->toString();
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$lastName = Strings::after($useName, '\\', -1) ?? $useName;
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if ($lastName === $aliasName) {
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$stmt->uses[0]->alias = null;
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$hasChanged = \true;
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}
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}
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if ($hasChanged) {
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return $node;
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}
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return null;
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}
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}
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