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How to add a class in body tag

  • Create di.xml file

  • Create plugin file Page.php

Today we will create plugin to add custom CSS class in body tag.

Path : app/code/Nilesh/Helpers/etc/frontend/di.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
    <type name="Magento\Framework\View\Result\Page">
        <plugin name="addstoreidtobodytag" type="Nilesh\Helpers\Plugin\Result\Page"/>
    </type>
</config>

Path : app/code/Nilesh/Helpers/Plugin/Result/Page.php
<?php
namespace Nilesh\Helpers\Plugin\Result;

use Magento\Framework\App\ResponseInterface;

class Page
{
    private $context;

    protected $_storeManager;

    public function __construct(
        \Magento\Framework\View\Element\Context $context,
        \Magento\Store\Model\StoreManagerInterface $storeManager
    )
    {
        $this->context = $context;
        $this->_storeManager = $storeManager;
    }

    public function beforeRenderResult(
    \Magento\Framework\View\Result\Page $subject,
    ResponseInterface $response
    ){
        $storeId = $this->_storeManager->getStore()->getId();
        $subject->getConfig()->addBodyClass('store-'.$storeId);

        return [$response];
    }
}

Happy Coding – Nilesh Dubey

Command : php bin/magento setup:upgrade
Command: php bin/magento setup:static-content:deploy -f
Command : php bin/magento c:f
You all are the semicolon to my statements; Please support me; Thanks