[INTERNAL] Use promise inspector API

Available since Node v19

Author: RandomByte

lib/utils/profile.js

@@ -1,5 +1,5 @@
-import {writeFile} from "node:fs/promises";
-import {Session} from "node:inspector";
+import {writeFileSync} from "node:fs";
+import {Session} from "node:inspector/promises";
 
 let session;
 let processSignals;
@@ -10,15 +10,10 @@ export async function start() {
 	}
 	session = new Session();
 	session.connect();
-	await new Promise((resolve) => {
-		session.post("Profiler.enable", () => {
-			console.log(`Recording CPU profile...`);
-			session.post("Profiler.start", () => {
-				processSignals = registerSigHooks();
-				resolve();
-			});
-		});
-	});
+	await session.post("Profiler.enable");
+	await session.post("Profiler.start");
+	console.log(`Recording CPU profile...`);
+	processSignals = registerSigHooks();
 }
 
 async function writeProfile(profile) {
@@ -39,30 +34,22 @@ async function writeProfile(profile) {
 	const fileName = `./ui5_${dateParts.year}-${dateParts.month}-${dateParts.day}_` +
 		`${dateParts.hour}-${dateParts.minute}-${dateParts.second}.cpuprofile`;
 	console.log(`\nSaving CPU profile to ${fileName}...`);
-	await writeFile(fileName, JSON.stringify(profile));
+	writeFileSync(fileName, JSON.stringify(profile));
 }
 
 export async function stop() {
 	if (!session) {
 		return;
 	}
+	const {profile} = await session.post("Profiler.stop");
+	session = null;
+	if (profile) {
+		await writeProfile(profile);
+	}
 	if (processSignals) {
 		deregisterSigHooks(processSignals);
 		processSignals = null;
 	}
-	const profile = await new Promise((resolve) => {
-		session.post("Profiler.stop", (err, {profile}) => {
-			if (err) {
-				resolve(null);
-			} else {
-				resolve(profile);
-			}
-		});
-		session = null;
-	});
-	if (profile) {
-		await writeProfile(profile);
-	}
 }
 
 function registerSigHooks() {