jestjs#15215 Reduce memory leak in node env by fully uninstalling sou…

…rce-map-support

packages/jest-runner/src/runTest.ts

@@ -6,6 +6,7 @@
  *
  */
 
+import {runInContext} from 'node:vm';
 import chalk = require('chalk');
 import * as fs from 'graceful-fs';
 import sourcemapSupport = require('source-map-support');
@@ -208,6 +209,14 @@ async function runTestInternal(
  const tearDownEnv = async () => {
  if (!isTornDown) {
  runtime.teardown();
+
+ // source-map-support keeps memory leftovers in `Error.prepareStackTrace`
+ runInContext(
+ "Error.prepareStackTrace = () => '';",
+ environment.getVmContext()!,
+ );
+ sourcemapSupport.resetRetrieveHandlers();
+
  await environment.teardown();
  isTornDown = true;
  }
@@ -312,8 +321,12 @@ async function runTestInternal(
  sendMessageToJest,
  );
  } catch (error: any) {
- // Access stack before uninstalling sourcemaps
- error.stack;
+ // Access all stacks before uninstalling sourcemaps
+ let e = error;
+ while (typeof e === 'object' && 'stack' in e) {
+ e.stack;
+ e = e?.cause ?? {};
+ }
 
  throw error;
  } finally {
@@ -377,8 +390,6 @@ async function runTestInternal(
  });
  } finally {
  await tearDownEnv();
-
- sourcemapSupport.resetRetrieveHandlers();
  }
 }