TSUP

package.json

@@ -1,10 +1,15 @@
 {
   "name": "app",
   "version": "1.0.0",
-  "main": "index.ts",
+  "main": "./dist/index.ts",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.ts",
+  "files":[
+    "dist"
+  ],
   "scripts": {
     "start": "ts-node src/index.ts",
-    "build": "tsc",
+    "build": "tsup",
     "postinstall": "npm run build"
   },
   "keywords": [],
@@ -13,6 +18,7 @@
   "description": "",
   "devDependencies": {
     "ts-node": "^10.9.2",
+    "tsup": "^8.2.4",
     "typescript": "^5.6.2"
   }
 }

tsup.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from "tsup";
+
+export default defineConfig({
+  entry: ["src/index.ts"],
+  format: ["cjs", "esm"], // Build for commonJS and ESmodules
+  dts: true, // Generate declaration file (.d.ts)
+  splitting: false,
+  sourcemap: true,
+  clean: true,
+});