switchManipulator = $switchManipulator;
}
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Change switch with only 1 check to if', [new CodeSample(<<<'CODE_SAMPLE'
class SomeObject
{
public function run($value)
{
$result = 1;
switch ($value) {
case 100:
$result = 1000;
}
return $result;
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeObject
{
public function run($value)
{
$result = 1;
if ($value === 100) {
$result = 1000;
}
return $result;
}
}
CODE_SAMPLE
)]);
}
/**
* @return array>
*/
public function getNodeTypes() : array
{
return [Switch_::class];
}
/**
* @param Switch_ $node
* @return Node\Stmt[]|If_|null
*/
public function refactor(Node $node)
{
if (\count($node->cases) !== 1) {
return null;
}
$onlyCase = $node->cases[0];
// only default → basically unwrap
if (!$onlyCase->cond instanceof Expr) {
// remove default clause because it cause syntax error
return \array_filter($onlyCase->stmts, static function (Stmt $stmt) : bool {
return !$stmt instanceof Break_;
});
}
$if = new If_(new Identical($node->cond, $onlyCase->cond));
$if->stmts = $this->switchManipulator->removeBreakNodes($onlyCase->stmts);
return $if;
}
}