modal.service.js

/**
 * Opens a modal
 * @param  {Object} scope       - an object to be merged with modal's scope
 * @param  {String} modalClass  - (optional) class(es) to be applied to the modal
 * @param  {String} size        - (optional) size to be applied to the modal
 * @param  {String} templateUrl - (optional) template to be applied to the modal
 * @param  {String} controller  - (optional) controller to be applied to the modal
 * @return {Object}             - the instance $uibModal.open() returns
 */
function openModal(scope = {}, modalClass = 'modal-default', size = 'sm', templateUrl = 'components/modal/modal.html', controller = '') {
  var modalScope = $rootScope.$new();

  angular.extend(modalScope, scope);

  return $uibModal.open({
    templateUrl: templateUrl,
    windowClass: modalClass,
    scope: modalScope,
    size: size,
    controller: controller
  });
}
   
return {

 /* Confirmation modals */
 confirm: {
   /**
    * Create a function to open a delete confirmation modal (ex. ng-click='myModalFn(name, arg1, arg2...)')
    * @param  {Function} del - callback, ran when delete is confirmed
    * @return {Function}     - the function to open the modal (ex. myModalFn)
    */
   delete(del = angular.noop) {
     /**
      * Open a delete confirmation modal
      * @param  {String} name   - name or info to show on modal
      * @param  {All}           - any additional args are passed straight to del callback
      */
     return function() {
       var args = Array.prototype.slice.call(arguments),
           name = args.shift(),
           deleteModal;

       deleteModal = openModal({
         modal: {
           dismissable: true,
           title: 'Confirm Delete',
           html: '<p>Are you sure you want to delete <strong>' + name + '</strong> ?</p>',
           buttons: [{
             classes: 'btn-danger',
             text: 'Delete',
             click: function(e) {
               deleteModal.close(e);
             }
           }, {
             classes: 'btn-default',
             text: 'Cancel',
             click: function(e) {
               deleteModal.dismiss(e);
             }
           }]
         }
       }, 'myModalClass', 'mySize', 'myTemplate.html', 'myController.js');

       deleteModal.result.then(function(event) {
         del.apply(event, args);
       });
     };
   }
 }
}

Thank you very much. This makes so much sense now that I see it.

@Luidog

it's my pleasure

THANK YOU!!