Codereview fixes.

README.md

@@ -1252,7 +1252,6 @@ The following will convert this entity into a submenu:
 [...]
 elements:
   - type: custom:frigate-card-menu-submenu-select
-    icon: mdi:lamps
     entity: input_select.kitchen_scene
 ```
 
@@ -1268,11 +1267,10 @@ elements:
       scene.kitchen_cooking_scene:
         icon: mdi:chef-hat
         title: Cooking time!
-      scene.kitchen_dining_scene:
+      scene.kitchen_tv_scene:
         icon: mdi:television
         title: TV!
 ```
-
 </details>
 
 ### Overriding card behavior

src/components/submenu.ts

@@ -131,6 +131,11 @@ export class FrigateCardSubmenuSelect extends LitElement {
 
   protected _generatedSubmenu?: MenuSubmenu;
 
+  /**
+   * Called to determine if the update should proceed.
+   * @param changedProps
+   * @returns `true` if the update should proceed, `false` otherwise.
+   */
   protected shouldUpdate(changedProps: PropertyValues): boolean {
     // No need to update the submenu unless the select entity has changed.
     const oldHass = changedProps.get('hass') as HomeAssistant | undefined;
@@ -142,6 +147,9 @@ export class FrigateCardSubmenuSelect extends LitElement {
     );
   }
 
+  /**
+   * Called when the render function will be called.
+   */
   protected willUpdate(): void {
     if (!this.submenuSelect || !this.hass) {
       return;
@@ -167,9 +175,11 @@ export class FrigateCardSubmenuSelect extends LitElement {
 
       type: 'custom:frigate-card-menu-submenu',
       items: [],
-    }
+    };
 
-    // Remove the options parameter which is unused/unsupported in submenu.
+    // For cleanliness remove the options parameter which is unused by the
+    // submenu rendering itself (above). It is only in this method to populate
+    // the items correctly (below).
     delete submenu['options'];
 
     for (const option of options) {

src/types.ts

@@ -444,8 +444,6 @@ export type MenuSubmenu = z.infer<typeof menuSubmenuSchema>;
 
 const menuSubmenuSelectSchema = menuBaseSchema.merge(stateIconSchema).extend({
   type: z.literal('custom:frigate-card-menu-submenu-select'),
-  // Please ensure additions to this type are filtered out appropriately in
-  // `submenu.ts` when this is converted to a MenuSubmenu. 
   options: z.record(menuSubmenuItemSchema).optional(),
 });
 export type MenuSubmenuSelect = z.infer<typeof menuSubmenuSelectSchema>;