Eliminate use of delay library (#269)

* Eliminate use of delay library

* Remove it from package-lock.json too

Author: campaigner-prod[bot]

package-lock.json

@@ -36,7 +36,6 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "delay": "^5.0.0",
     "node-gyp-build": "<4.0",
     "p-limit": "^3.1.0",
     "pprof-format": "^2.2.1",

package.json

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import delay from 'delay';
+import {setTimeout} from 'timers/promises';
 
 import {
   serializeTimeProfile,
@@ -84,7 +84,7 @@ const DEFAULT_OPTIONS: TimeProfilerOptions = {
 export async function profile(options: TimeProfilerOptions = {}) {
   options = {...DEFAULT_OPTIONS, ...options};
   start(options);
-  await delay(options.durationMillis!);
+  await setTimeout(options.durationMillis!);
   return stop();
 }
 

ts/src/time-profiler.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import delay from 'delay';
 import * as sinon from 'sinon';
 import {time, getNativeThreadId} from '../src';
 import * as v8TimeProfiler from '../src/time-profiler-bindings';
@@ -25,6 +24,7 @@ import {AssertionError} from 'assert';
 import {GenerateTimeLabelsArgs, LabelSet} from '../src/v8-types';
 import {AsyncLocalStorage} from 'async_hooks';
 import {satisfies} from 'semver';
+import {setTimeout as setTimeoutPromise} from 'timers/promises';
 
 import assert from 'assert';
 
@@ -470,7 +470,7 @@ describe('Time Profiler', () => {
       time.profile(PROFILE_OPTIONS).then(() => {
         isProfiling = false;
       });
-      await delay(2 * PROFILE_OPTIONS.durationMillis);
+      await setTimeoutPromise(2 * PROFILE_OPTIONS.durationMillis);
       assert.strictEqual(false, isProfiling, 'profiler is still running');
     });