Try to validate Supervisor or Manager Role upon submiting document

Frappe Framework Custom Script
1

Im trying to validate document with supervisor or manager role upon submitting sales invoice document with client script v13 with frappe confirm, but I have no idea how to go through
My code
frappe.confirm(" Are you sure you want to proceed?",
() => {
// action to perform if Yes is selected
let d = new frappe.ui.Dialog({
title: ‘Enter Supervisor/Manager Credential’,
fields: [
{
label: ‘Username’,
fieldname: ‘username’,
fieldtype: ‘Data’
},
{
label: ‘Password’,
fieldname: ‘Password’,
fieldtype: ‘Data’
}

            ],
            primary_action_label: 'Submit',
            primary_action(values) {
                console.log(values.username);
                d.hide();
                //VALIDATE USERNAME AND PASSWORD
               //VALIDATE IF USER IS SUPERVISOR OR MANAGER ROLE
            }
            });
    
            d.show();
        }, () => {
            // action to perform if No is selected
            frappe.validated = false;
        });

Pls help me on this…