fix some unhandled promises and refactor some code

src/components/alert.js

@@ -33,14 +33,7 @@ import globalize from '../scripts/globalize';
             });
 
             options.buttons = items;
-
-            return dialog.show(options).then(function (result) {
-                if (result === 'ok') {
-                    return Promise.resolve();
-                }
-
-                return Promise.reject();
-            });
+            return dialog.show(options);
         }
 
         return Promise.resolve();

src/components/dialogHelper/dialogHelper.js

@@ -106,15 +106,6 @@ import '../../assets/css/scrollstyles.css';
                     tryRemoveElement(dlg);
                 }
             }
-
-            //resolve();
-            // if we just called history.back(), then use a timeout to allow the history events to fire first
-            setTimeout(() => {
-                resolve({
-                    element: dlg,
-                    closedByBack: self.closedByBack
-                });
-            }, 1);
         }
 
         dlg.addEventListener('close', onDialogClosed);
@@ -265,6 +256,7 @@ import '../../assets/css/scrollstyles.css';
             dom.addEventListener(dlg, dom.whichAnimationEvent(), onFinish, {
                 once: true
             });
+
             return;
         }
 

src/components/multiSelect/multiSelect.js

@@ -319,6 +319,7 @@ import confirm from '../confirm/confirm';
             alert({
                 text: globalize.translate('PleaseSelectTwoItems')
             });
+
             return;
         }
 

src/components/prompt/prompt.js

@@ -11,7 +11,6 @@ import '../../elements/emby-input/emby-input';
 import '../formdialog.css';
 import template from './prompt.template.html';
 
-/* eslint-disable indent */
 export default (() => {
     function replaceAll(str, find, replace) {
         return str.split(find).join(replace);
@@ -127,4 +126,3 @@ export default (() => {
         };
     }
 })();
-/* eslint-enable indent */

src/components/tvproviders/schedulesdirect.js

@@ -112,7 +112,7 @@ export default function (page, providerId, options) {
             providerId = result.Id;
             reload();
         }, function () {
-            Dashboard.alert({ // ApiClient.ajax() error handler
+            Dashboard.alert({
                 message: globalize.translate('ErrorSavingTvProvider')
             });
         });