feat: migrate to ESM by updating module imports and adding prepare script

Author: Kolezhniuk

build/main.cjs

@@ -5,7 +5,7 @@ let workerpool = require("workerpool");
 workerpool = require_threadman_thread.__toESM(workerpool);
 let os = require("os");
 os = require_threadman_thread.__toESM(os);
-require("url");
+let url = require("url");
 //#region src/scalar.js
 var scalar_exports = /* @__PURE__ */ require_threadman_thread.__exportAll({
 	abs: () => abs,
@@ -2947,7 +2947,8 @@ function supportsWorkers() {
 	return true;
 }
 function getWorkerSource() {
-	return "/Users/dimak/Documents/work/snarkjs-refactor/ffjavascript/build/threadman_worker.cjs";
+	if (typeof require("path").join(__dirname, "threadman_worker.cjs") !== "undefined") return require("path").join(__dirname, "threadman_worker.cjs");
+	return (0, url.fileURLToPath)(new URL("data:text/javascript;base64,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", "" + {}.url));
 }
 //#endregion
 //#region src/threadman.js

package.json

@@ -41,6 +41,7 @@
     "build:node": "vite build",
     "build:browser": "vite build --mode browser",
     "build:browser:iife": "vite build --mode browser-iife",
+    "prepare": "npm run build:node",
     "build": "npm run clean && npm run build:browser && npm run build:browser:iife && npm run build:node"
   },
   "repository": {

vite.config.js

@@ -4,7 +4,7 @@ import { fileURLToPath } from "url";
 import { resolve } from "path";
 import { readFileSync, rmSync } from "fs";
 import { playwright } from "@vitest/browser-playwright";
-import path from "path";
+
 
 const __dirname = fileURLToPath(new URL(".", import.meta.url));
 const abs = (...p) => resolve(__dirname, ...p);
@@ -261,9 +261,7 @@ export default defineConfig(({ mode }) => {
                     define: {
                         // Injected only during `vite build` (apply:"build" excludes vitest).
                         // Points to the compiled worker that lands next to main.cjs in build/.
-                        __BUILD_WORKER_PATH__: JSON.stringify(
-                            resolve(path.dirname(fileURLToPath(import.meta.url)), "build", "threadman_worker.cjs")
-                        ),
+                        __BUILD_WORKER_PATH__: "require('path').join(__dirname, 'threadman_worker.cjs')",
                     },
                 }),
             },