create a member type field on woocommerce registration page and set after user creation

Woocommerce Registration BuddyPress Member Type Field

<?php

/**
 * Get member types
 *
 * @return array
 */
function buddydev_wc_get_member_types() {

	if ( ! function_exists( 'bp_get_member_types' ) ) {
		return array();
	}

	$register_member_types = bp_get_member_types( array(), 'objects' );

	$member_types = array();
	foreach ( $register_member_types as $member_type => $member_type_ob ) {
		$member_types[ $member_type ] = $member_type_ob->labels['singular_name'];
	}

	return $member_types;
}

/**
 * Render member type field on registration form
 */
function buddydev_wc_attach_member_type_field() {

	$member_types = buddydev_wc_get_member_types();

	if ( empty( $member_types ) ) {
		return;
	}

	$selected = isset( $_POST['wc_member_type'] ) ? $_POST['wc_member_type'] : '';

	?>
	<p class="woocommerce-form-row woocommerce-form-row--wide form-row form-row-wide">
		<label for="reg_user_member_type"><?php esc_html_e( 'Member Type', 'woocommerce' ); ?></label>
		<select name="wc_member_type" id="reg_user_member_type">
			<option value="" <?php selected( $selected, '', true ); ?>><?php esc_html_e( 'Select', 'woocommerce' );?></option>
			<?php foreach ( $member_types as $member_type => $label ) : ?>
				<option value="<?php echo esc_attr( $member_type ); ?>" <?php selected( $selected, $member_type, true ); ?>><?php echo esc_html( $label ); ?></option>
			<?php endforeach; ?>
		</select>
	</p>
	<?php
}

add_action( 'woocommerce_register_form_start', 'buddydev_wc_attach_member_type_field' );

/**
 * Assign member type to user after creation
 */
add_action( 'woocommerce_created_customer', function( $customer_id ) {

	if ( ! isset( $_POST['woocommerce-register-nonce'] ) || ! wp_verify_nonce( $_POST['woocommerce-register-nonce'], 'woocommerce-register' ) ) {
		return;
	}

	if ( function_exists( 'bp_set_member_type' ) && ! empty( $_POST['wc_member_type'] ) ) {
		bp_set_member_type( $customer_id, $_POST['wc_member_type'] );
	}
} );