Fix characteristic warning on first launch

Author: mpatfield

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to homebridge-dummy will be documented in this file.
 
-## 1.5.17-beta.3 ()
+## 1.5.17-beta.4 ()
 
 ### Added
 - 'Simulate Duration' option to enable auto-shutoff for [`Valves`](https://github.com/mpatfield/homebridge-easy-mqtt/wiki/Valve) that do not have duration topics

package-lock.json

@@ -4,7 +4,7 @@
   "displayName": "Homebridge Easy MQTT",
   "description": "Homebridge plugin for MQTT devices",
   "type": "module",
-  "version": "1.5.17-beta.3",
+  "version": "1.5.17-beta.4",
   "homepage": "https://github.com/mpatfield/homebridge-easy-mqtt#readme",
   "repository": {
     "type": "git",

package.json

@@ -1,4 +1,7 @@
-import { Characteristic, CharacteristicSetHandler, CharacteristicValue, Nullable, Perms, PrimitiveTypes, Service } from 'homebridge';
+import {
+  Characteristic, CharacteristicProps, CharacteristicSetHandler, CharacteristicValue,
+  Nullable, PartialAllowingNull, Perms, PrimitiveTypes, Service,
+} from 'homebridge';
 
 import { EveCharacteristic, isEveCharacteristic } from '../characteristic/eve.js';
 
@@ -214,7 +217,7 @@ export abstract class Common<C extends Assertable> {
   }
 
   protected setupTopicless(characteristicKey: CharacteristicKey, defaultValue: CharacteristicValue,
-    onSetCallback?: (value: CharacteristicValue, changed: boolean) => (void)): Characteristic | undefined {
+    onSetCallback?: (value: CharacteristicValue, changed: boolean) => (void), props?: PartialAllowingNull<CharacteristicProps>): Characteristic | undefined {
 
     const startingValue = this.getProperty(characteristicKey) ?? defaultValue;
 
@@ -223,6 +226,11 @@ export abstract class Common<C extends Assertable> {
     }
 
     const characteristic = this.service.getCharacteristic(this.characteristicFromKey(characteristicKey));
+
+    if (props !== undefined) {
+      characteristic.setProps(props);
+    }
+
     characteristic.setValue(startingValue);
 
     this.setProperty(characteristicKey, startingValue);

src/accessory/abstract/common.ts

@@ -58,7 +58,7 @@ export class ValveAccessory extends BaseAccessory<ValveConfig> {
         dependency.log.warning(strings.valve.durationTopicsIgnored, this.name, `(${durationTopics.join(', ')})`);
       }
 
-      this.setupTopicless(HKCharacteristicKey.SetDuration, minimumDuration, ()=>{})?.setProps( {
+      this.setupTopicless(HKCharacteristicKey.SetDuration, minimumDuration, ()=>{}, {
         minValue: minimumDuration,
         maxValue: maximumDuration,
       });