Removed Async[websocket/http] due to excessive require times and reliablity issues on Windows

lib/background_worker.rb

@@ -9,13 +9,12 @@ class W3DHub
       logger.info(LOG_TAG) { "Starting background job worker..." }
 
 
+      @@thread = Thread.current
       @@alive = true
       @@run = true
       @@instance = self.new
 
-      Async do
-        @@instance.handle_jobs
-      end
+      @@instance.handle_jobs
     end
 
     def self.instance
@@ -30,10 +29,18 @@ class W3DHub
       @@alive
     end
 
+    def self.busy?
+      instance&.busy?
+    end
+
     def self.shutdown!
       @@run = false
     end
 
+    def self.kill!
+      @@thread.kill
+    end
+
     def self.job(job, callback, error_handler = nil)
       @@instance.add_job(Job.new(job: job, callback: callback, error_handler: error_handler))
     end
@@ -43,6 +50,7 @@ class W3DHub
     end
 
     def initialize
+      @busy = false
       @jobs = []
     end
 
@@ -50,12 +58,16 @@ class W3DHub
       while BackgroundWorker.run?
         job = @jobs.shift
 
+        @busy = true
+
         begin
           job&.do
         rescue => error
           job&.raise_error(error)
         end
 
+        @busy = !@jobs.empty?
+
         sleep 0.1
       end
 
@@ -67,6 +79,10 @@ class W3DHub
       @jobs << job
     end
 
+    def busy?
+      @busy
+    end
+
     class Job
       def initialize(job:, callback:, error_handler: nil, deliver_to_queue: false)
         @job = job