trying to build workers with typescript but failing

Author: antocuni

pyscriptjs/rollup.config.js

@@ -21,7 +21,8 @@ if( !production ){
   copy_targets.targets.push({ src: 'build/*', dest: 'examples/build' })
 }
 
-export default {
+
+const pyscript_main = {
   input: "src/main.ts",
   output:[
     {
@@ -67,3 +68,17 @@ export default {
     clearScreen: false,
   },
 };
+
+const worker = {
+  input: "src/workers/worker_interpreter.ts",
+  output: {
+      file: "build/workers/worker_interpreter.js",
+      format: "iife",
+      sourcemap: true,
+      inlineDynamicImports: true,
+      name: "worker_interpreter",
+  }
+};
+
+
+export default [pyscript_main, worker];

pyscriptjs/src/main.ts

@@ -153,6 +153,8 @@ export class PyScriptApp {
 
         const interpreter_cfg = this.config.interpreters[0];
 
+        const worker = new Worker("build/workers/worker_interpreter.js");
+
         const remote_interpreter = new RemoteInterpreter(interpreter_cfg.src);
         const { port1, port2 } = new MessageChannel();
         port1.start();

pyscriptjs/src/workers/foo.ts

@@ -0,0 +1,3 @@
+export function foo(a: number, b: number): number {
+    return a+b;
+}

pyscriptjs/src/workers/tsconfig.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "_version": "3.0.0",
+
+  "include": ["src/**/*"],
+  "exclude": ["node_modules/*", "__sapper__/*", "public/*"],
+
+  "compilerOptions": {
+    "moduleResolution": "node",
+    "target": "ES2020",
+    "module": "ES2020",
+    "types": ["jest", "node"],
+    "strict": false,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "lib": [
+      "es2017",
+      "dom",
+      "DOM.Iterable"
+    ]
+  }
+}

pyscriptjs/src/workers/worker_interpreter.ts

@@ -0,0 +1,8 @@
+// [!] Error: Could not resolve './foo' from src/workers/worker_interpreter.ts
+import { add } from './foo';
+
+// this is what I would like to import
+//import { RemoteInterpreter } from '../remote_interpreter';
+
+
+console.log("hello from worker", add(30, 12));

pyscriptjs/tsconfig.json

@@ -3,7 +3,8 @@
   "_version": "3.0.0",
 
   "include": ["src/**/*"],
-  "exclude": ["node_modules/*", "__sapper__/*", "public/*"],
+  "exclude": ["node_modules/*", "__sapper__/*", "public/*", "worker/*"],
+
   "compilerOptions": {
     "moduleResolution": "node",
     "target": "ES2020",