Add Queue.isMainThread()

Author: DrewImm

src/queue.ts

@@ -98,7 +98,7 @@ export class Queue<TIn, TOut> {
 	public constructor(options: QueueOptions<TIn, TOut>) {
 		this.options = options = { ...this.defaultOptions, ...options };
 
-		if (isMainThread) {
+		if (this.isMainThread()) {
 			this.buildPool()
 				.catch(options.fatal);
 
@@ -116,6 +116,15 @@ export class Queue<TIn, TOut> {
 		}
 	}
 
+	/**
+	 * Check if this thread is the main thread
+	 *
+	 * @returns Returns true on the main thread, false on workers
+	 */
+	public isMainThread(): boolean {
+		return isMainThread;
+	}
+
 	/**
 	 * Push a new task to the queue to be run in parallel. This task will
 	 * 	not be joined back into the main thread on completion.