WooCommerce display product category image on category archive

function.php

<?php
// Do NOT include the opening php tag.

/**
 * Display category image on WooCommerce category archive
 *
 * @author Nic Beltramelli
 */
add_action(
	'woocommerce_archive_description', function () {

		if ( class_exists( 'WooCommerce' ) ) :

			if ( is_product_category() ) :

				global $wp_query;

				$cat          = $wp_query->get_queried_object();
				$cat_name     = $cat->name;
				$thumbnail_id = get_woocommerce_term_meta( $cat->term_id, 'thumbnail_id', true );
				$size         = 'thumbnail';
				$image        = wp_get_attachment_image_src( $thumbnail_id, $size );

				if ( $image ) :

					echo '<img src="' . esc_url( $image[0] ) . '" class="archive-image" alt="' . esc_attr( $cat_name ) . '" />';

				endif;

			endif;

		endif;

	}, 2
);