fix

packages/emnapi/src/core/init.ts

@@ -244,37 +244,15 @@ function emnapiAddSendListener (worker: any): boolean {
 
 napiModule.emnapi.addSendListener = emnapiAddSendListener
 
-function terminateWorker (worker: any): void {
-  const tid = worker.__emnapi_tid
-  worker.terminate()
-  worker.onmessage = (e: any) => {
-    if (e.data.__emnapi__) {
-      err('received "' + e.data.__emnapi__.type + '" command from terminated worker: ' + tid)
-    }
-  }
-}
-
-function cleanThread (worker: any, tid: number, force?: boolean): void {
-  if (!force && reuseWorker) {
-    PThread.returnWorkerToPool(worker)
-  } else {
-    delete PThread.pthreads[tid]
-    const index = PThread.runningWorkers.indexOf(worker)
-    if (index !== -1) {
-      PThread.runningWorkers.splice(index, 1)
-    }
-    terminateWorker(worker)
-    delete worker.__emnapi_tid
-  }
-}
-
 export var PThread = new wasiThreads.ThreadManager({
   printErr: err,
   beforeLoad: (worker) => {
     emnapiAddSendListener(worker)
   },
   reuseWorker,
-  onCreateWorker: onCreateWorker as ThreadManagerOptions['onCreateWorker']
+  onCreateWorker: onCreateWorker as ThreadManagerOptions['onCreateWorker'] ?? (() => {
+    throw new Error('options.onCreateWorker` is not provided')
+  })
 })
 
 napiModule.PThread = PThread

packages/wasi-threads/test/index.html

@@ -10,7 +10,26 @@
   <script src="../dist/wasi-threads.js"></script>
   <!-- <script src="./index.js"></script> -->
   <script>
-    new Worker('./index.js')
+    const worker = new Worker('./index.js')
+    const map = new Map()
+    worker.onmessage = (e) => {
+      const { type, payload } = e.data
+      if (type === 'new') {
+        const { id, url, options } = payload
+        const w = new Worker(url, options)
+        map.set(id, w)
+        w.onmessage = (e) => {
+          worker.postMessage({ type: 'onmessage', payload: { id, data: e.data } })
+        }
+      } else if (type === 'postMessage') {
+        const { id, data } = payload
+        map.get(id).postMessage(data)
+      } else if (type === 'terminate') {
+        const { id } = payload
+        map.get(id).terminate()
+        map.delete(id)
+      }
+    }
   </script>
 </body>
 </html>

packages/wasi-threads/test/index.js

@@ -9,6 +9,43 @@
     WASIThreads = require('..').WASIThreads
   } else {
     if (typeof importScripts === 'function') {
+      globalThis.Worker = class MyWorker {
+        constructor (url, options) {
+          this.id = String(Math.random())
+          self.addEventListener('message', ({ data }) => {
+            if (data.type === 'onmessage' && data.payload.id === this.id) {
+              this.onmessage?.({ data: data.payload.data })
+            }
+          })
+          postMessage({
+            type: 'new',
+            payload: {
+              id: this.id,
+              url,
+              options
+            }
+          })
+        }
+
+        postMessage (data) {
+          postMessage({
+            type: 'postMessage',
+            payload: {
+              id: this.id,
+              data
+            }
+          })
+        }
+
+        terminate () {
+          postMessage({
+            type: 'terminate',
+            payload: {
+              id: this.id
+            }
+          })
+        }
+      }
       // eslint-disable-next-line no-undef
       importScripts('../../../node_modules/@tybys/wasm-util/dist/wasm-util.min.js')
       // eslint-disable-next-line no-undef
@@ -28,7 +65,7 @@
     const file = model === ExecutionModel.Command ? 'main.wasm' : 'lib.wasm'
     const wasi = new WASI({
       version: 'preview1',
-      args: [file, ENVIRONMENT_IS_NODE ? 'node' : 'web'],
+      args: [file, 'node'],
       ...(ENVIRONMENT_IS_NODE ? { env: process.env } : {})
     })
     const wasiThreads = new WASIThreads({
@@ -46,7 +83,7 @@
         })
       },
       // optional
-      waitThreadStart: ENVIRONMENT_IS_NODE
+      waitThreadStart: true
     })
     const memory = new WebAssembly.Memory({
       initial: 16777216 / 65536,
@@ -73,7 +110,7 @@
       return wasi.start(instance)
     } else {
       wasi.initialize(instance)
-      return instance.exports.fn(ENVIRONMENT_IS_NODE ? 1 : 0)
+      return instance.exports.fn(1)
     }
   }