fix Firefox support

fasterthanlime · fasterthanlime · commit a175bfe1f2ac · 2018-12-05T02:08:00.000+01:00
diff --git a/game/src/worker.ts b/game/src/worker.ts
@@ -2,6 +2,11 @@ import { GameBase } from "./game-base";
 import { calculateBestMove } from "./ai/process";
 import { WorkerOutgoingMessage } from "./types-worker";
 
+// see https://developer.mozilla.org/en-US/docs/Web/API/DedicatedWorkerGlobalScope/postMessage
+// we wouldn't need this workaround if we could have a separate typescript config just for
+// the worker.
+declare function postMessage(messagse: any);
+
 onmessage = function(this: Window, ev: MessageEvent) {
   let data = ev.data;
   if (data.task === "processAI") {
@@ -13,6 +18,6 @@ onmessage = function(this: Window, ev: MessageEvent) {
       task: "processAI",
       result,
     };
-    this.postMessage(msg, null);
+    postMessage(msg);
   }
 };
