Update Platform.js

Start heartbeat also when `"Lib"` platform is not in `config.json`.

lib/Platform.js

@@ -192,7 +192,7 @@ class Platform extends homebridgeLib.Delegate {
     }
     myContext.platform = this
     if (global[globalKey].Platform == null) {
-      this.fatal('%s plugin not loaded', context.libName)
+      this.fatal('%s platform not registered', context.libName)
     }
     this._identify()
 
@@ -206,8 +206,13 @@ class Platform extends homebridgeLib.Delegate {
   // Main platform function.
   // Called by homebridge after restoring accessories from cache.
   async _main () {
+    if (this._isHomebridgeLib || global[globalKey].Platform.platform == null) {
+      global[globalKey].Platform.platform = this
+      this.debug('starting heartbeat for %j', Object.keys(global[globalKey]))
+      this._heartbeatStart = new Date()
+      setTimeout(() => { this._beat(-1) }, 1000)
+    }
     if (this._isHomebridgeLib) {
-      this.debug('plugins: %j', Object.keys(global[globalKey]))
       const jobs = []
       for (const plugin in global[globalKey]) {
         const platform = global[globalKey][plugin].platform
@@ -218,9 +223,6 @@ class Platform extends homebridgeLib.Delegate {
           jobs.push(events.once(platform, 'initialised'))
         }
       }
-      this.debug('starting heartbeat')
-      this._heartbeatStart = new Date()
-      setTimeout(() => { this._beat(-1) }, 1000)
       for (const job of jobs) {
         await job
       }