Refactor for ... in loops

src/NetscriptWorker.ts

@@ -116,7 +116,7 @@ function startNetscript2Script(player: IPlayer, workerScript: WorkerScript): Pro
     };
   }
 
-  for (const prop in workerScript.env.vars) {
+  for (const prop of Object.keys(workerScript.env.vars)) {
     if (typeof workerScript.env.vars[prop] !== "function") continue;
     workerScript.env.vars[prop] = wrap(prop, workerScript.env.vars[prop]);
   }
@@ -175,7 +175,7 @@ function startNetscript1Script(workerScript: WorkerScript): Promise<WorkerScript
   const interpreterInitialization = function (int: any, scope: any): void {
     //Add the Netscript environment
     const ns = NetscriptFunctions(workerScript);
-    for (const name in ns) {
+    for (const name of Object.keys(ns)) {
       const entry = ns[name];
       if (typeof entry === "function") {
         //Async functions need to be wrapped. See JS-Interpreter documentation