di.xml

<?xml version="1.0"?>
<!--
/**
 * ScandiPWA - Progressive Web App for Magento
 *
 * Copyright © Scandiweb, Inc. All rights reserved.
 * See LICENSE for license details.
 *
 * @license OSL-3.0 (Open Software License ("OSL") v. 3.0)
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CollectionProcessor\AttributeProcessor"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CollectionProcessor\AttributeProcessor" />

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Product\MediaGallery\Url"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Product\MediaGallery\Url" />

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Product\MediaGalleryEntries"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Product\MediaGalleryEntries"/>

<!--    <preference for="Magento\CatalogGraphQl\Model\Resolver\Category\Products"-->
<!--                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Category\Products"/>-->

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product"/>

    <preference for="Magento\CatalogWidget\Model\Rule\Condition\Product"
                type="ScandiPWA\CatalogGraphQl\Model\Rule\Condition\Product" />

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\ProductSearch\ProductCollectionSearchCriteriaBuilder"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Products\DataProvider\ProductSearch\ProductCollectionSearchCriteriaBuilder" />

    <!-- Performance related changes -->
    <preference for="Magento\ConfigurableProductGraphQl\Model\Resolver\ConfigurableVariant"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\ConfigurableVariant" />

    <type name="ScandiPWA\CatalogGraphQl\Model\Resolver\ConfigurableVariant">
        <arguments>
            <argument name="variantCollection" xsi:type="object">ScandiPWA\CatalogGraphQl\Model\Variant\Collection</argument>
        </arguments>
    </type>

    <preference for="Magento\BundleGraphQl\Model\Resolver\BundleItemLinks"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\BundleItemLinks" />

    <type name="ScandiPWA\CatalogGraphQl\Model\Resolver\BundleItemLinks">
        <arguments>
            <argument name="linkCollection" xsi:type="object">ScandiPWA\CatalogGraphQl\Model\Resolver\Links\Collection</argument>
        </arguments>
    </type>

    <type name="Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CompositeCollectionProcessor">
        <arguments>
            <argument name="collectionProcessors" xsi:type="array">
                <item name="images" xsi:type="object">ScandiPWA\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CollectionProcessor\ImagesProcessor</item>
                <item name="price" xsi:type="object">ScandiPWA\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CollectionProcessor\PriceProcessor</item>
            </argument>
        </arguments>
    </type>

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Product"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Product" />

    <preference for="Magento\GroupedProductGraphQl\Model\Resolver\GroupedItems"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\GroupedItems" />

    <preference for="Magento\Elasticsearch\SearchAdapter\Query\Builder\MatchQuery"
                type="ScandiPWA\CatalogGraphQl\SearchAdapter\Query\Builder\MatchQuery"/>

    <type name="Magento\Framework\GraphQl\Query\QueryComplexityLimiter">
        <arguments>
            <argument name="queryDepth" xsi:type="number">20</argument>
            <argument name="queryComplexity" xsi:type="number">750</argument>
        </arguments>
    </type>

    <!-- Item (Magento\Catalog\Model\Product\Interceptor) with the same ID “XXX” already exists patch -->
    <type name="Magento\Eav\Model\Entity\Collection\AbstractCollection">
        <plugin name="find_duplicate_entry" type="ScandiPWA\CatalogGraphQl\Plugin\Collection" sortOrder="20"/>
    </type>

    <preference for="Magento\CatalogGraphQl\DataProvider\Product\LayeredNavigation\Builder\Price"
                type="ScandiPWA\CatalogGraphQl\Model\Layer\Filter\Price" />

    <preference for="Magento\CatalogGraphQl\DataProvider\Product\LayeredNavigation\Builder\Category"
                type="ScandiPWA\CatalogGraphQl\Model\Layer\Filter\Category" />

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Category\SortFields"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Category\SortFields" />

    <preference for="Magento\CatalogGraphQl\Model\Resolver\Product\Options"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Product\Options" />

    <preference for="Magento\CatalogUrlRewrite\Model\ResourceModel\Category\Product"
                type="ScandiPWA\CatalogGraphQl\Model\ResourceModel\Category\Product" />

    <preference for="Magento\Framework\Search\Dynamic\Algorithm\Improved"
                type="ScandiPWA\CatalogGraphQl\Search\Dynamic\Algorithm\Improved"/>

    <preference for="Magento\DownloadableGraphQl\Resolver\Product\Links"
                type="ScandiPWA\CatalogGraphQl\Model\Resolver\Product\Links" />

    <type name="Magento\Elasticsearch\SearchAdapter\Aggregation\Builder">
        <plugin name="aggregation_equalize_products_count_handler"
                type="ScandiPWA\CatalogGraphQl\Plugin\SearchAdapter\Aggregation\BuilderPlugin" />
    </type>
    <preference for="Magento\Elasticsearch\Elasticsearch5\SearchAdapter\Aggregation\Interval"
                type="ScandiPWA\CatalogGraphQl\Elasticsearch5\SearchAdapter\Aggregation\Interval" />
</config>