test(turbopack): cover package module specifiers in worker URLs

test/e2e/app-dir/worker/app/package-module-specifier/page.js

@@ -0,0 +1,31 @@
+'use client'
+
+import { useState } from 'react'
+import { createWorker } from 'worker-package'
+
+export default function Page() {
+  const [state, setState] = useState('default')
+
+  return (
+    <>
+      <button
+        onClick={() => {
+          try {
+            const worker = createWorker()
+            worker.addEventListener('message', (event) => {
+              setState(event.data)
+            })
+            worker.addEventListener('error', (event) => {
+              setState(`error: ${event.message}`)
+            })
+          } catch (error) {
+            setState(`error: ${error.message}`)
+          }
+        }}
+      >
+        Start worker
+      </button>
+      <p id="worker-state">{state}</p>
+    </>
+  )
+}

test/e2e/app-dir/worker/worker.test.ts

@@ -56,6 +56,21 @@ describe('app dir - workers', () => {
     )
   })
 
+  it('should support package module specifiers in web worker URLs', async () => {
+    const browser = await next.browser('/package-module-specifier', {
+      beforePageLoad,
+    })
+    expect(await browser.elementByCss('#worker-state').text()).toBe('default')
+
+    await browser.elementByCss('button').click()
+
+    await retry(async () =>
+      expect(await browser.elementByCss('#worker-state').text()).toBe(
+        'worker-loaded'
+      )
+    )
+  })
+
   it('should not bundle web workers with string specifiers', async () => {
     const browser = await next.browser('/string', {
       beforePageLoad,