post status chagne ajax

<?php

function script_js() {
    $data= [
        'ajax_url'=> admin_url('admin-ajax.php')
    ];

    wp_localize_script('my_script','ajax_obj', $data);

    wp_enqueue_script('my_script', get_theme_file_uri('src/script.js'),'jquery',time(),true);


}

add_action('wp_enqueu_scripts', 'script_js');
$post_id = isset($_POST['post_id']);

echo wp_json_encode($post_id);

wp_die();

function ajax_post_status_change(){

}
add_action('wp_ajax_post_status_change', 'ajax_post_status_change');



(function ($) {

    $(document).ready(function () {

        $(".post_option a").on("click", function (e) {

            let post_id = $(this).data("post-id");

            $.ajax({
              type: "POST",
              url: ajax_obj.ajax_url,
              data: { action: "post_status_change", post_id:post_id },
              success: function (response) {
                alert(response);
              },
            });

            e.preventDefault();

        });
    });

})(jQuery);