Try changing into a module

Author: surilindur

package.json

@@ -1,6 +1,6 @@
 {
   "name": "readable-from-web",
-  "type": "commonjs",
+  "type": "module",
   "version": "1.0.0",
   "packageManager": "yarn@4.12.0",
   "description": "Experimental converter from WHATWG ReadableStream to readable-stream Readable",

tsconfig.build.json

@@ -5,16 +5,15 @@
       "ES2023",
       "DOM"
     ],
-    "module": "commonjs",
+    "module": "umd",
     "moduleResolution": "node",
     "strict": true,
     "declaration": true,
     "sourceMap": true,
     "noImplicitAny": true,
     "importHelpers": false,
     "inlineSources": false,
-    "removeComments": true,
-    "resolveJsonModule": true
+    "removeComments": true
   },
   "include": [
     "./lib/*.ts"

vitest.config.ts

@@ -1,4 +1,3 @@
-import { compilerOptions } from './tsconfig.build.json'
 import { defineConfig } from 'vitest/config'
 import { playwright } from '@vitest/browser-playwright'
 
@@ -11,7 +10,7 @@ const browsers: ('chromium' | 'firefox' | 'webkit')[] = [
 export default defineConfig({
   build: {
     minify: false,
-    target: compilerOptions.target
+    target: 'ES2023'
   },
   test: {
     projects: [