Breadcrumbs.php

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<?php
namespace Magento\Catalog\ViewModel\Product;

use Magento\Catalog\Helper\Data;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\DataObject;
use Magento\Framework\Serialize\Serializer\Json;
use Magento\Framework\View\Element\Block\ArgumentInterface;
use Magento\Framework\Escaper;

class Breadcrumbs extends DataObject implements ArgumentInterface
{
    private $catalogData;

    private $scopeConfig;

    private $escaper;

    public function __construct(
        Data $catalogData,
        ScopeConfigInterface $scopeConfig,
        Json $json = null,
        Escaper $escaper = null
    ) {
        parent::__construct();

        $this->catalogData = $catalogData;
        $this->scopeConfig = $scopeConfig;
        $this->escaper = $escaper ?: ObjectManager::getInstance()->get(Escaper::class);
    }

    public function getCategoryUrlSuffix()
    {
        return $this->scopeConfig->getValue(
            'catalog/seo/category_url_suffix',
            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
        );
    }

    public function isCategoryUsedInProductUrl(): bool
    {
        return $this->scopeConfig->isSetFlag(
            'catalog/seo/product_use_categories',
            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
        );
    }

    public function getProductName(): string
    {
        return $this->catalogData->getProduct() !== null
            ? $this->catalogData->getProduct()->getName()
            : '';
    }

    public function getJsonConfigurationHtmlEscaped() : string
    {
        return json_encode(
            [
                'breadcrumbs' => [
                    'categoryUrlSuffix' => $this->escaper->escapeHtml($this->getCategoryUrlSuffix()),
                    'userCategoryPathInUrl' => (int)$this->isCategoryUsedInProductUrl(),
                    'product' => $this->escaper->escapeHtml($this->getProductName())
                ]
            ],
            JSON_HEX_TAG
        );
    }

    public function getJsonConfiguration()
    {
        return $this->getJsonConfigurationHtmlEscaped();
    }
}