first commit

packages/nodes-base/nodes/DebugHelper/functions.ts

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+import { setFlagsFromString } from 'v8';
+import { runInNewContext } from 'vm';
+
+export const runGarbageCollector = () => {
+	try {
+		setFlagsFromString('--expose_gc');
+		const gc = runInNewContext('gc'); // nocommit
+		gc();
+	} catch (error) {
+		console.error(error);
+	}
+};
+
+export const generateGarbageMemory = (sizeInMB: number, onHeap = true) => {
+	const divider = onHeap ? 8 : 1;
+	const size = Math.max(1, Math.floor((sizeInMB * 1024 * 1024) / divider));
+	if (onHeap) {
+		// arrays are allocated on the heap
+		// size in this case is only an approximation...
+		const array = Array(size);
+		array.fill(0);
+	} else {
+		const array = new Uint8Array(size);
+		array.fill(0);
+	}
+	return { ...process.memoryUsage() };
+};