feat(interface-json-node-wasi): support modules that use threads

Author: thewtex

packages/core/typescript/itk-wasm/package.json

@@ -87,6 +87,7 @@
     "typescript": "^5.3.2"
   },
   "dependencies": {
+    "@emnapi/wasi-threads": "^1.0.1",
     "@itk-wasm/dam": "^1.1.1",
     "@thewtex/zstddec": "^0.2.1",
     "@types/emscripten": "^1.39.10",

packages/core/typescript/itk-wasm/src/bindgen/interface-json-node-wasi.js

@@ -1,20 +1,49 @@
+#!/usr/bin/env node
+
 import { readFile } from 'node:fs/promises'
 import { WASI } from 'wasi'
+import { WASIThreads } from '@emnapi/wasi-threads'
 
 const wasi = new WASI({
   version: 'preview1',
+  returnOnExit: true,
   args: ['--interface-json'],
   env: process.env,
   preopens: {}
 })
 
-const importObject = { wasi_snapshot_preview1: wasi.wasiImport }
+const wasiThreads = new WASIThreads({
+    wasi
+});
+
+const memory = new WebAssembly.Memory({
+  initial: 128,
+  maximum: 0x10000,
+  shared: true
+})
+
+const importObject = {
+  env: {
+    memory
+  },
+  wasi_snapshot_preview1: wasi.wasiImport,
+  ...wasiThreads.getImportObject()
+}
+
+try {
+  const wasm = await WebAssembly.compile(
+    // await readFile(new URL(process.argv[2], import.meta.url))
+    await readFile(process.argv[2])
+  )
+  const instance = await WebAssembly.instantiate(wasm, importObject)
 
-const wasm = await WebAssembly.compile(
-  // await readFile(new URL(process.argv[2], import.meta.url))
-  await readFile(process.argv[2])
-)
-const instance = await WebAssembly.instantiate(wasm, importObject)
+  wasiThreads.setup(instance, wasm, memory);
+  await wasiThreads.preloadWorkers();
 
-wasi.initialize(instance)
-instance.exports['']()
+  wasi.initialize(instance)
+  instance.exports['']()
+} catch (error) {
+  if (error.toString() !== Symbol('kExitCode').toString()) {
+    console.error('Error: ', error)
+  }
+}