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7d36c3b0b9
a80cf5292d
revert to working scoper 0.14
76 lines
2.4 KiB
PHP
76 lines
2.4 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodingStyle\Rector\Ternary;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\Ternary;
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use PhpParser\Node\Expr\Variable;
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use Rector\Core\Rector\AbstractRector;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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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\Ternary\TernaryConditionVariableAssignmentRector\TernaryConditionVariableAssignmentRectorTest
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*/
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final class TernaryConditionVariableAssignmentRector extends \Rector\Core\Rector\AbstractRector
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{
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public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
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{
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return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Assign outcome of ternary condition to variable, where applicable', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
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function ternary($value)
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{
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$value ? $a = 1 : $a = 0;
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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function ternary($value)
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{
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$a = $value ? 1 : 0;
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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 [\PhpParser\Node\Expr\Ternary::class];
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}
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/**
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* @param Ternary $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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$nodeIf = $node->if;
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$nodeElse = $node->else;
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if (!$nodeIf instanceof \PhpParser\Node\Expr\Assign) {
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return null;
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}
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if (!$nodeElse instanceof \PhpParser\Node\Expr\Assign) {
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return null;
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}
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$nodeIfVar = $nodeIf->var;
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$nodeElseVar = $nodeElse->var;
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if (!$nodeIfVar instanceof \PhpParser\Node\Expr\Variable) {
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return null;
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}
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if (!$nodeElseVar instanceof \PhpParser\Node\Expr\Variable) {
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return null;
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}
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if ($nodeIfVar->name !== $nodeElseVar->name) {
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return null;
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}
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$previousNode = $node->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::PREVIOUS_NODE);
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if ($previousNode !== null) {
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return null;
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}
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$node->if = $nodeIf->expr;
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$node->else = $nodeElse->expr;
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$variable = new \PhpParser\Node\Expr\Variable($nodeIfVar->name);
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return new \PhpParser\Node\Expr\Assign($variable, $node);
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}
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}
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