prefix_add_link_to_child_product_name.php

<?php
/**
 * Add link to child product name
 * Also removes price and separator from product name
 */
function prefix_add_link_to_child_product_name( $title, $child_product ) {
	$title = sprintf(
		'<a style="pointer-events: auto" href="%s" target="%s">%s</a>',
		get_permalink( $child_product->get_id() ),
		apply_filters( 'pewc_child_product_title_target', '_blank' ),
		get_the_title( $child_product->get_id() )
	);
	return $title;
}
add_filter( 'pewc_child_product_title', 'prefix_add_link_to_child_product_name', 10, 2 );