WooCommerce Checkout Add-ons conditional display

wc-coa-conditional-addons.php

/**
 * Conditionally show gift add-ons if shipping address differs from billing
**/
function wc_checkout_add_ons_conditionally_show_gift_add_on() {

    wc_enqueue_js( "
        $( 'input[name=ship_to_different_address]' ).change( function () {

            if ( $( this ).is( ':checked' ) ) {

                // show the gift checkout add-on -- replace '2' with the id of your add-on
                $( '#wc_checkout_add_ons_2_field' ).show();

            } else {

                // hide the gift checkout add-on -- replace '2' with the id of your add-on
                $( '#wc_checkout_add_ons_2_field' ).hide();

            }

        } ).change();
    " );
}
add_action( 'wp_enqueue_scripts', 'wc_checkout_add_ons_conditionally_show_gift_add_on' );

Hi,
I have 2 fields
1: A file upload Field: Please upload your ID.
2: A checkbox field. Please confirm that this is a true copy of your ID

Since ID is optional field, i want the Checkbox to only show if the user uploaded an ID.
Possible?
Thank you.