Magento 2.x Is Customer Logged In?

CustomerSessionCheck.php

<?php

namespace Petemcw;

use Magento\Customer\Model\Session;

class Customer
{
    /**
     * @var \Magento\Customer\Model\Session
     */
    private $customerSession;
    
    /**
     * Constructor.
     *
     * Initialize class dependencies.
     *
     * @param \Magento\Customer\Model\Session $customerSession
     */
    public function __construct(
        Session $customerSession
    ) {
        $this->customerSession = $customerSession;
    }
    
    /**
     * Returns current customer's logged in status.
     *
     * @return bool
     */
    public function isCustomerLoggedIn()
    {
        return $this->customerSession->isLoggedIn();
    }
    
    /**
     * Returns an array of current customer information.
     *
     * return array
     */
    public function getCurrentCustomerData()
    {
        return [
            'id' => $this->customerSession->getCustomer()->getId(),
            'name' => $this->customerSession->getCustomer()->getName(),
            'email' => $this->customerSession->getCustomer()->getEmail(),
        ];
    }
}