v1.7.3 (#176)

## [Version 1.7.3](https://github.com/OpenWonderLabs/node-switchbot/releases/tag/v1.7.3) (2023-01-05)

## What's Changed

- Improve error handling, Thanks [@dnicolson](https://github.com/dnicolson/).  [#175](#175)
- Housekeeping and update dependencies

**Full Changelog**: v1.7.2...v1.7.3

Author: donavanbecker

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 All notable changes to this project will be documented in this file. This project uses [Semantic Versioning](https://semver.org/)
 
+## [Version 1.7.3](https://github.com/OpenWonderLabs/node-switchbot/releases/tag/v1.7.3) (2023-01-05)
+
+## What's Changed
+
+- Improve error handling, Thanks [@dnicolson](https://github.com/dnicolson/).  [#175](https://github.com/OpenWonderLabs/node-switchbot/pull/175)
+- Housekeeping and update dependencies
+
+**Full Changelog**: https://github.com/OpenWonderLabs/node-switchbot/compare/v1.7.2...v1.7.3
+
 ## [Version 1.7.2](https://github.com/OpenWonderLabs/node-switchbot/releases/tag/v1.7.2) (2022-12-26)
 
 ## What's Changed

lib/switchbot-device.js

@@ -443,6 +443,9 @@ class SwitchbotDevice {
 
       this._connect()
         .then(() => {
+          if (!this._chars) {
+            return reject("No characteristics available.");
+          }
           return this._write(this._chars.write, req_buf);
         })
         .then(() => {

lib/switchbot.js

@@ -132,7 +132,9 @@ class Switchbot {
             for (let addr in peripherals) {
               device_list.push(peripherals[addr]);
             }
-            resolve(device_list);
+            if (device_list.length) {
+              resolve(device_list);
+            }
           };
 
           // Set a handler for the 'discover' event

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "node-switchbot",
-  "version": "1.7.2",
+  "version": "1.7.3",
   "description": "The node-switchbot is a Node.js module which allows you to control your Switchbot Devices through Bluetooth (BLE).",
   "main": "./lib/switchbot.js",
   "files": [
@@ -34,7 +34,7 @@
   },
   "readmeFilename": "README.md",
   "dependencies": {
-    "@abandonware/noble": "1.9.2-15"
+    "@abandonware/noble": "^1.9.2-19"
   },
   "devDependencies": {
     "npm-check-updates": "^16.6.2"