worker built by esbuild

babel.config.js

@@ -9,6 +9,7 @@ module.exports = {
       presets: [
         ['@babel/preset-env', {targets: {node: 'current'}}],
       ],
+      plugins: ['babel-plugin-transform-import-meta'],
     },
   },
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bldrs",
-  "version": "1.0.1805",
+  "version": "1.0.1809",
   "main": "src/index.jsx",
   "license": "AGPL-3.0",
   "homepage": "https://github.com/bldrs-ai/Share",
@@ -14,7 +14,7 @@
     "build-conway-debug": "yarn clean && yarn build-share-conway && yarn build-share-copy-wasm-conway-profile",
     "build-webifc": "yarn clean && yarn build-share-webifc",
     "build-cosmos": "shx mkdir -p docs && shx rm -rf docs/cosmos && cosmos-export --config .cosmos.config.json && shx mv cosmos-export docs/cosmos",
-    "build-share": "yarn update-version && node tools/esbuild/build.js && shx mkdir -p docs/static/js && shx cp src/OPFS/OPFS.worker.js docs/ && shx cp src/net/github/Cache.js docs/ && yarn build-share-copy-wasm-conway-MT",
+    "build-share": "yarn update-version && node tools/esbuild/build.js && shx mkdir -p docs/static/js && yarn build-share-copy-wasm-conway-MT",
     "build-share-conway": "run-script-os",
     "build-share-conway:win32": "set USE_WEBIFC_SHIM=true && yarn build-share",
     "build-share-conway:linux:darwin": "USE_WEBIFC_SHIM=true yarn build-share",
@@ -141,6 +141,7 @@
     "@typescript-eslint/eslint-plugin": "5.59.0",
     "@typescript-eslint/parser": "5.59.0",
     "babel-jest": "28.1.3",
+    "babel-plugin-transform-import-meta": "^2.3.3",
     "eslint": "8.22.0",
     "eslint-config-google": "0.14.0",
     "eslint-import-resolver-typescript": "3.5.2",

src/OPFS/OPFS.worker.js

@@ -1,5 +1,5 @@
-let GITHUB_BASE_URL_AUTHENTICATED = null
-let GITHUB_BASE_URL_UNAUTHENTICATED = null
+import * as CacheModule from '../net/github/Cache.js'
+
 
 /**
  * @global
@@ -9,8 +9,9 @@ let GITHUB_BASE_URL_UNAUTHENTICATED = null
 
 /* global FileSystemDirectoryHandle, FileSystemFileHandle, FileSystemSyncAccessHandle */
 
-/* global importScripts, CacheModule */
-importScripts('./Cache.js')
+let GITHUB_BASE_URL_AUTHENTICATED = null
+let GITHUB_BASE_URL_UNAUTHENTICATED = null
+
 
 self.addEventListener('message', async (event) => {
   try {

src/OPFS/OPFSService.js

@@ -9,14 +9,15 @@ let workerRef = null
  * Initializes and returns a reference to a web worker.
  *
  * Checks if a web worker reference already exists; if not, it creates a new web worker
- * instance using the specified script path ('/OPFS.Worker.js'). This ensures that only one
- * instance of the worker is created and reused across the application, optimizing resource usage.
+ * instance using the specified script path. This ensures that only one instance of the
+ * worker is created and reused across the application, optimizing resource usage.
+ * Uses ESM module worker with {type: 'module'}.
  *
  * @return {Worker} The reference to the initialized web worker.
  */
 export function initializeWorker() {
   if (workerRef === null) {
-    workerRef = new Worker('/OPFS.Worker.js')
+    workerRef = new Worker(new URL('/OPFS.Worker.js', import.meta.url), {type: 'module'})
 
     workerRef.postMessage({
       command: 'initializeWorker',