From 324b85f5dd0d8e377ff09f46a6e98d578c7dc494 Mon Sep 17 00:00:00 2001
From: Simen Bekkhus <sbekkhus91@gmail.com>
Date: Wed, 14 Sep 2022 12:44:54 +0200
Subject: [PATCH] convert to URL for import

---
 lib/createJestRunner.ts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/createJestRunner.ts b/lib/createJestRunner.ts
index 301e8db..e15e405 100644
--- a/lib/createJestRunner.ts
+++ b/lib/createJestRunner.ts
@@ -1,3 +1,5 @@
+import * as path from 'path';
+import * as url from 'url';
 import type { TestResult } from '@jest/test-result';
 import type {
   CallbackTestRunnerInterface,
@@ -36,6 +38,15 @@ export default function createRunner<
   runPath: string,
   { getExtraOptions }: CreateRunnerOptions<ExtraOptions> = {},
 ) {
+  if (!runPath.startsWith('file')) {
+    if (!path.isAbsolute(runPath)) {
+      throw new Error(`Path must be absolute - got ${runPath}`);
+    }
+
+    // eslint-disable-next-line no-param-reassign
+    runPath = url.pathToFileURL(runPath).href;
+  }
+
   return class BaseTestRunner implements CallbackTestRunnerInterface {
     #globalConfig: Config.GlobalConfig;
 
@@ -121,7 +132,7 @@ export default function createRunner<
       onFailure: OnTestFailure,
       options: TestRunnerOptions,
     ): Promise<void> {
-      const worker = new Worker(runPath, {
+      const worker = new Worker(url.fileURLToPath(runPath), {
         exposedMethods: ['default'],
         numWorkers: this.#globalConfig.maxWorkers,
         forkOptions: { stdio: 'inherit' },