jest-worker => Worker

package.json

@@ -80,7 +80,6 @@
     "express": "^4.14.0",
     "gh-pages": "^6.1.0",
     "highlight.js": "^11.9.0",
-    "jest-worker": "^29.7.0",
     "markdown-it-abbr": "^2.0.0",
     "markdown-it-container": "^4.0.0",
     "markdown-it-deflist": "^3.0.0",

test/markdown-it/pathological.test.mjs

@@ -1,32 +1,26 @@
 import assert from 'node:assert'
 import { describe, it } from 'node:test'
-import { Worker as JestWorker } from 'jest-worker'
-
-async function test_pattern (str, mdOpts) {
-  const worker = new JestWorker(
-    new URL('../pathological_worker.js', import.meta.url),
-    {
-      numWorkers: 1,
-      enableWorkerThreads: true
-    }
-  )
-
-  let result
-  const ac = new AbortController()
-
-  try {
-    result = await Promise.race([
-      worker.render(str, mdOpts),
-      new Promise((resolve, reject) => {
-        setTimeout(() => reject(new Error('Terminated (timeout exceeded)')), 3000).unref()
-      })
-    ])
-  } finally {
-    ac.abort()
-    await worker.end()
-  }
-
-  return result
+import { Worker, isMainThread, parentPort, workerData } from 'node:worker_threads'
+import { fileURLToPath } from 'node:url'
+
+if (!isMainThread) {
+  const { default: md } = await import('../../index.mjs')
+  parentPort.postMessage(md(workerData.opts).render(workerData.str))
+  process.exit(0)
+}
+
+function test_pattern (str, mdOpts) {
+  return new Promise((resolve, reject) => {
+    const worker = new Worker(fileURLToPath(import.meta.url), {
+      workerData: { str, opts: mdOpts }
+    })
+    const timer = setTimeout(() => {
+      worker.terminate()
+      reject(new Error('Terminated (timeout exceeded)'))
+    }, 3000)
+    worker.on('message', val => { clearTimeout(timer); resolve(val) })
+    worker.on('error', err => { clearTimeout(timer); reject(err) })
+  })
 }
 
 describe('Pathological sequences speed', () => {

test/pathological_worker.js

@@ -1,5 +0,0 @@
-'use strict'
-
-exports.render = async (str, mdOpts) => {
-  return (await import('../index.mjs')).default(mdOpts).render(str)
-}