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<?php |
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namespace ArjanSchouten\HtmlMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\AttributeQuoteMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\BooleanAttributeMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\CommentMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\EmptyAttributeMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\JavascriptEventsMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\OptionalElementMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\RedundantAttributeMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\Html\WhitespaceMinifier; |
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use ArjanSchouten\HtmlMinifier\Minifiers\MinifierInterface; |
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use ArjanSchouten\HtmlMinifier\Placeholders\CommentPlaceholder; |
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use ArjanSchouten\HtmlMinifier\Placeholders\Php\PhpPlaceholder; |
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use ArjanSchouten\HtmlMinifier\Placeholders\PlaceholderInterface; |
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use ArjanSchouten\HtmlMinifier\Placeholders\WhitespacePlaceholder; |
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use InvalidArgumentException; |
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class Minify |
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{ |
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/** |
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* @var \ArjanSchouten\HtmlMinifier\Placeholders\PlaceholderInterface[] |
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*/ |
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protected $placeholders = [ |
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PhpPlaceholder::class, |
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CommentPlaceholder::class, |
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WhitespacePlaceholder::class, |
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]; |
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/** |
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* @var \ArjanSchouten\HtmlMinifier\Minifiers\MinifierInterface[] |
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*/ |
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protected $minifiers = [ |
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CommentMinifier::class, |
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WhitespaceMinifier::class, |
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AttributeQuoteMinifier::class, |
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EmptyAttributeMinifier::class, |
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OptionalElementMinifier::class, |
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BooleanAttributeMinifier::class, |
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JavascriptEventsMinifier::class, |
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RedundantAttributeMinifier::class, |
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]; |
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/** |
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* @param \ArjanSchouten\HtmlMinifier\MinifyContext $context |
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* @param array $options |
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* |
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* @return \ArjanSchouten\HtmlMinifier\MinifyContext |
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*/ |
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public function run(MinifyContext $context, $options = []) |
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{ |
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$context->addMinificationStep($context->getContents(), 'Initial step'); |
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$context = $this->placeholders($context); |
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$context = $this->minifiers($context, $options); |
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return $this->restore($context); |
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} |
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/** |
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* @param \ArjanSchouten\HtmlMinifier\MinifyContext $context |
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* |
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* @return \ArjanSchouten\HtmlMinifier\MinifyContext |
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*/ |
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protected function placeholders(MinifyContext $context) |
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{ |
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foreach ($this->placeholders as $placeholder) { |
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$placeholder = new $placeholder(); |
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$context = $placeholder->process($context); |
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} |
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return $context; |
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} |
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/** |
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* @param \ArjanSchouten\HtmlMinifier\MinifyContext $context |
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* @param array $options |
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* |
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* @return \ArjanSchouten\HtmlMinifier\MinifyContext |
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*/ |
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protected function minifiers(MinifyContext $context, $options = []) |
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{ |
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foreach ($this->minifiers as $minifier) { |
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$minifier = new $minifier(); |
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$provides = $minifier->provides(); |
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if ($this->runAll($options) || $this->isOptionSet($provides, $options)) { |
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$context = $minifier->process($context); |
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$context->addMinificationStep($context->getContents(), $this->getClassName($minifier).'|'.$minifier->provides()); |
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} |
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} |
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return $context; |
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} |
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/** |
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* Checks if all minifiers should be runned. |
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* |
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* @param array $options |
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* |
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* @return bool |
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*/ |
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protected function runAll($options = []) |
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{ |
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return isset($options[Options::ALL]) && $options[Options::ALL]; |
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} |
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/** |
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* Check whether an option is set in the options aray. |
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* |
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* @param string $provides |
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* @param array $options |
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* @return bool |
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*/ |
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protected function isOptionSet($provides, $options = []) |
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{ |
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if (isset($options[$provides]) && $options[$provides] === true) { |
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return true; |
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} elseif (!isset($options[$provides]) && Options::options()[$provides]->isDefault()) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Restore placeholders with their original content. |
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* |
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* @param \ArjanSchouten\HtmlMinifier\MinifyContext $context |
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* |
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* @return \ArjanSchouten\HtmlMinifier\MinifyContext |
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*/ |
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protected function restore(MinifyContext $context) |
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{ |
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$withoutPlaceholders = $context->getPlaceholderContainer()->restorePlaceholders($context->getContents()); |
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return $context->setContents($withoutPlaceholders); |
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} |
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/** |
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* @return \ArjanSchouten\HtmlMinifier\Placeholders\PlaceholderInterface[] |
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*/ |
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public function getPlaceholders() |
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{ |
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return $this->placeholders; |
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} |
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/** |
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* Add a placeholder strategy to the registered placeholders. |
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* |
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* @param string $placeholder |
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* |
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* @return \ArjanSchouten\HtmlMinifier\Placeholders\PlaceholderInterface[] |
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*/ |
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View Code Duplication |
public function addPlaceholder($placeholder) |
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{ |
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if (!isset(class_implements($placeholder)[PlaceholderInterface::class])) { |
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throw new InvalidArgumentException('The class ['.$placeholder.'] should be a member of the ['.PlaceholderInterface::class.']'); |
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} elseif (in_array($placeholder, $this->placeholders)) { |
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throw new InvalidArgumentException('The placeholder ['.$placeholder.'] is already added to the minifier!'); |
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} |
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$this->placeholders[] = $placeholder; |
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return $this->placeholders; |
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} |
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/** |
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* @return \ArjanSchouten\HtmlMinifier\Minifiers\MinifierInterface[] |
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*/ |
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public function getMinifiers() |
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{ |
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return $this->minifiers; |
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} |
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/** |
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* Add a placeholder strategy to the registered placeholders. |
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* |
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* @param string $minifier |
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* |
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* @return \ArjanSchouten\HtmlMinifier\Minifiers\MinifierInterface[] |
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*/ |
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View Code Duplication |
public function addMinifier($minifier) |
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{ |
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if (!isset(class_implements($minifier)[MinifierInterface::class])) { |
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throw new InvalidArgumentException('The class ['.$minifier.'] should be a member of the ['.MinifierInterface::class.']'); |
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} elseif (in_array($minifier, $this->minifiers)) { |
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throw new InvalidArgumentException('The minifier ['.$minifier.'] is already added to the minifier!'); |
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} |
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$this->minifiers[] = $minifier; |
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return $this->minifiers; |
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} |
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/** |
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* Get the classname without the namespace. |
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* |
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* @param $object |
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* |
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* @return string |
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*/ |
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private function getClassName($object) |
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{ |
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$class = get_class($object); |
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if (($index = strrpos($class, '\\'))) { |
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$fixForTrailingBackslash = 1; |
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return substr($class, $index + $fixForTrailingBackslash); |
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} |
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return $class; |
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} |
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} |
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.