[FIXED] How to override Magento\Catalog\Model\Layer\FilterList in magento 2.2.3

Issue

Override the Magento\Catalog\Model\Layer\FilterList in Magento 2.2.3 using plugin. This error came

PHP message: PHP Fatal error: Uncaught TypeError: Argument 2 passed to ####\Plugin\Model\Layer\FilterList::aroundGetFilters() must implement interface Magento\Catalog\Model\Layer\FilterableAttributeListInterface, instance of Closure given, called in

/magento/framework/Interception/Interceptor.php on line 135 and defined in ####/Plugin/Model/Layer/FilterList.php:70

preference is not working on this file.

Solution

Using virtual_type

Once Verify the core file of di.xml arguments passing

..../modulename/extensionmodule/etc/frontend/di.xml

 <virtualType name="categoryFilterList" type="ModuleName\ExtensionModule\Model\Layer\FilterList">
    <arguments>
    Your Passing Arguments(same as existing core file - di.xml(core module) passing arguments ).

    </arguments>
</virtualType>

..../modulename/extensionmodule/Model\Layer

<?php

    namespace ModuleName\ExtensionModule\Model\Layer;
    
    /**
     * Override FilterList Class
     */
    class FilterList extends \Magento\Catalog\Model\Layer\FilterList
    {
        ......Your Code Here......
    }
    ?>

Answered By - Nandhini Nagaraj

Answer Checked By - Robin (PHPFixing Admin)