Add setInterval/setTimeout

src/harness/harnessLanguageService.ts

@@ -766,6 +766,7 @@ namespace Harness.LanguageService {
         }
 
         setTimeout(callback: (...args: any[]) => void, ms: number, ...args: any[]): any {
+            // tslint:disable-next-line:ban
             return setTimeout(callback, ms, args);
         }
 

src/testRunner/parallel/host.ts

@@ -302,6 +302,7 @@ namespace Harness.Parallel.Host {
                                 worker.timer = undefined;
                             }
                             else {
+                                // tslint:disable-next-line:ban
                                 worker.timer = setTimeout(killChild, data.payload.duration, data.payload);
                             }
                             break;
@@ -623,6 +624,7 @@ namespace Harness.Parallel.Host {
             shimNoopTestInterface(global);
         }
 
+        // tslint:disable-next-line:ban
         setTimeout(() => startDelayed(perfData, totalCost), 0); // Do real startup on next tick, so all unit tests have been collected
     }
 }

src/tsserver/server.ts

@@ -705,6 +705,7 @@ namespace ts.server {
         // stat due to inconsistencies of fs.watch
         // and efficiency of stat on modern filesystems
         function startWatchTimer() {
+            // tslint:disable-next-line:ban
             setInterval(() => {
                 let count = 0;
                 let nextToCheck = nextFileToCheck;

tslint.json

@@ -5,6 +5,11 @@
         "no-unnecessary-type-assertion": true,
 
         "array-type": [true, "array"],
+        "ban": [
+            true,
+            "setInterval",
+            "setTimeout"
+        ],
         "ban-types": {
             "options": [
                 ["Object", "Avoid using the `Object` type. Did you mean `object`?"],