/**
  * Change default JavaScript templates for options rendering
  *
  * @param \Magento\Framework\Event\Observer $observer
  * @return $this
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  */
 public function execute(\Magento\Framework\Event\Observer $observer)
 {
     $response = $observer->getEvent()->getResponseObject();
     $options = $response->getAdditionalOptions();
     /** @var \Magento\Catalog\Model\Product $product */
     $product = $this->registry->registry('current_product');
     if (!$product) {
         return $this;
     }
     if ($this->weeeData->isEnabled() && !$this->weeeData->geDisplayIncl($product->getStoreId()) && !$this->weeeData->geDisplayExcl($product->getStoreId())) {
         // only do processing on bundle product
         if ($product->getTypeId() == \Magento\Catalog\Model\Product\Type::TYPE_BUNDLE) {
             if (!array_key_exists('optionTemplate', $options)) {
                 $calcPrice = $this->getWhichCalcPriceToUse($product->getStoreId());
                 $options['optionTemplate'] = '<%- data.label %>' . '<% if (data.' . $calcPrice . '.value) { %>' . ' +<%- data.' . $calcPrice . '.formatted %>' . '<% } %>';
             }
             foreach ($this->weeeData->getWeeeAttributesForBundle($product) as $weeeAttributes) {
                 foreach ($weeeAttributes as $weeeAttribute) {
                     if (!preg_match('/' . $weeeAttribute->getCode() . '/', $options['optionTemplate'])) {
                         $options['optionTemplate'] .= sprintf(' <%% if (data.weeePrice' . $weeeAttribute->getCode() . ') { %%>' . '  (' . $weeeAttribute->getName() . ': <%%- data.weeePrice' . $weeeAttribute->getCode() . '.formatted %%>)' . '<%% } %%>');
                     }
                 }
             }
             if ($this->weeeData->geDisplayExlDescIncl($product->getStoreId())) {
                 $options['optionTemplate'] .= sprintf(' <%% if (data.weeePrice) { %%>' . '<%%- data.weeePrice.formatted %%>' . '<%% } %%>');
             }
         }
     }
     $response->setAdditionalOptions($options);
     return $this;
 }