From 76094bae365e1eb6d3cd892f7c60bac1b47c3972 Mon Sep 17 00:00:00 2001
From: "Brian K. Christensen" <briankchristensen@gmail.com>
Date: Fri, 8 Jun 2018 00:31:17 +0200
Subject: [PATCH] fix: make TS type def of VirtualAction compatible with TS 2.9

---
 src/scheduler/AsyncAction.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/scheduler/AsyncAction.ts b/src/scheduler/AsyncAction.ts
index 20360559d8..896b87e5e5 100644
--- a/src/scheduler/AsyncAction.ts
+++ b/src/scheduler/AsyncAction.ts
@@ -14,10 +14,12 @@ export class AsyncAction<T> extends Action<T> {
   public state: T;
   public delay: number;
   protected pending: boolean = false;
+  protected work: (this: this, state?: T) => void;
 
   constructor(protected scheduler: AsyncScheduler,
-              protected work: (this: AsyncAction<T>, state?: T) => void) {
+              work: (this: AsyncAction<T>, state?: T) => void) {
     super(scheduler, work);
+    this.work = work;
   }
 
   public schedule(state?: T, delay: number = 0): Subscription {