suggestions

src/components/ha-sidebar.ts

@@ -24,16 +24,9 @@ import "@polymer/paper-listbox/paper-listbox";
 import type { UnsubscribeFunc } from "home-assistant-js-websocket";
 import type { CSSResult, CSSResultGroup, PropertyValues } from "lit";
 import { LitElement, css, html, nothing } from "lit";
-import {
+import { customElement, eventOptions, property, state } from "lit/decorators";
-  customElement,
-  eventOptions,
-  property,
-  query,
-  state,
-} from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
 import memoizeOne from "memoize-one";
-import type { PaperListboxElement } from "@polymer/paper-listbox";
 import { storage } from "../common/decorators/storage";
 import { fireEvent } from "../common/dom/fire_event";
 import { toggleAttribute } from "../common/dom/toggle_attribute";
@@ -55,6 +48,7 @@ import "./ha-menu-button";
 import "./ha-sortable";
 import "./ha-svg-icon";
 import "./user/ha-user-badge";
+import { preventDefault } from "../common/dom/prevent_default";
 
 const SHOW_AFTER_SPACER = ["config", "developer-tools"];
 
@@ -203,8 +197,6 @@ class HaSidebar extends SubscribeMixin(LitElement) {
 
   @state() private _issuesCount = 0;
 
-  @query("paper-listbox", true) private _sidebar!: PaperListboxElement;
-
   private _mouseLeaveTimeout?: number;
 
   private _tooltipHideTimeout?: number;
@@ -296,10 +288,6 @@ class HaSidebar extends SubscribeMixin(LitElement) {
   protected firstUpdated(changedProps: PropertyValues) {
     super.firstUpdated(changedProps);
     this._subscribePersistentNotifications();
-
-    window.addEventListener("hass-reset-sidebar", (ev) => {
-      this._sidebar.selected = ev.detail;
-    });
   }
 
   private _subscribePersistentNotifications(): void {
@@ -417,6 +405,7 @@ class HaSidebar extends SubscribeMixin(LitElement) {
         @focusout=${this._listboxFocusOut}
         @scroll=${this._listboxScroll}
         @keydown=${this._listboxKeydown}
+        @iron-activate=${preventDefault}
       >
         ${this.editMode
           ? this._renderPanelsEdit(beforeSpacer)
@@ -1137,8 +1126,4 @@ declare global {
   interface HTMLElementTagNameMap {
     "ha-sidebar": HaSidebar;
   }
-
-  interface HASSDomEvents {
-    "hass-reset-sidebar": string;
-  }
 }

src/mixins/prevent-unsaved-mixin.ts

@@ -1,7 +1,6 @@
 import type { LitElement, PropertyValues } from "lit";
-import type { Constructor } from "../types";
 import { isNavigationClick } from "../common/dom/is-navigation-click";
-import { fireEvent } from "../common/dom/fire_event";
+import type { Constructor } from "../types";
 
 export const PreventUnsavedMixin = <T extends Constructor<LitElement>>(
   superClass: T
@@ -21,8 +20,6 @@ export const PreventUnsavedMixin = <T extends Constructor<LitElement>>(
           const newEvent = new MouseEvent(e.type, e);
           target.dispatchEvent(newEvent);
         }
-      } else {
-        fireEvent(this, "hass-reset-sidebar", this.getPanel());
       }
     };
 
@@ -36,7 +33,7 @@ export const PreventUnsavedMixin = <T extends Constructor<LitElement>>(
     public willUpdate(changedProperties: PropertyValues): void {
       super.willUpdate(changedProperties);
 
-      if (this.isDirty()) {
+      if (this.isDirty) {
         window.addEventListener("click", this._handleClick, true);
         window.addEventListener("beforeunload", this._handleUnload);
       } else {
@@ -50,15 +47,11 @@ export const PreventUnsavedMixin = <T extends Constructor<LitElement>>(
       this._removeListeners();
     }
 
-    protected isDirty(): boolean {
+    protected get isDirty(): boolean {
       return false;
     }
 
     protected async promptDiscardChanges(): Promise<boolean> {
       return true;
     }
-
-    protected getPanel(): string {
-      return "config";
-    }
   };

src/panels/config/automation/ha-automation-editor.ts

@@ -850,7 +850,7 @@ export class HaAutomationEditor extends PreventUnsavedMixin(
     };
   }
 
-  protected isDirty() {
+  protected get isDirty() {
     return this._dirty;
   }
 

src/panels/config/scene/ha-scene-editor.ts

@@ -1226,7 +1226,7 @@ export class HaSceneEditor extends PreventUnsavedMixin(
     });
   }
 
-  protected isDirty() {
+  protected get isDirty() {
     return this._dirty;
   }
 

src/panels/config/script/ha-script-editor.ts

@@ -816,7 +816,7 @@ export class HaScriptEditor extends PreventUnsavedMixin(
     };
   }
 
-  protected isDirty() {
+  protected get isDirty() {
     return this._dirty;
   }