Woocommerce: Remove single product page link in archive page and redirect single product page to shop page

edm-disable-wc-single-product-page.php

<?php

/**
*  Removes single product link in archive page and enable template redirect
* 
*  A snippet that removes the <a href="(single product permalink)"> in the archive page
*  and redirects user back to the shop page when they try to access the single page directly
*
*  WC tested up to: 3.4.3
* 
*  Hook ref: 
*  https://github.com/woocommerce/woocommerce/search?utf8=%E2%9C%93&q=woocommerce_before_shop_loop_item
*  https://github.com/woocommerce/woocommerce/search?utf8=%E2%9C%93&q=woocommerce_after_shop_loop_item
**/

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit; 

function edm_template_redirects() {
  if ( is_product() ) {
    //redirect to shop page. If you want to redirect to the home page instead then change
    //'wc_get_page_permalink('shop' )' to 'get_site_url()'
    wp_redirect( wc_get_page_permalink('shop' ) );
  }
    exit;
}
add_action( 'template_redirect', 'edm_template_redirects' );

//remove the opening <a> tag in archive page
remove_action( 'woocommerce_before_shop_loop_item', 'woocommerce_template_loop_product_link_open', 10 );
	
//remove the closing <a> tag in archive page
remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_product_link_close', 5 );

?>