build: tsdown bundler

package.json

@@ -4,20 +4,16 @@
     "type": "git",
     "url": "https://github.com/nktnet1/import-sync"
   },
-  "version": "2.2.3",
+  "version": "2.2.4-beta.1",
   "files": [
     "dist"
   ],
-  "main": "dist/cjs/index.js",
-  "module": "dist/esm/index.js",
   "scripts": {
     "test": "jest",
     "tc": "jest --coverage",
     "lint": "eslint --fix './**/*.ts'",
     "tsc": "tsc --noEmit",
-    "build": "rm -rf dist && npm run build:esm && npm run build:cjs",
-    "build:esm": "tsc",
-    "build:cjs": "tsc --module CommonJS --outDir dist/cjs",
+    "build": "tsdown",
     "prepublishOnly": "npm run build",
     "prepare": "husky"
   },
@@ -42,33 +38,44 @@
   "license": "MIT",
   "description": "Synchronously import dynamic ECMAScript Modules similar to CommonJS require. Basic wrapper around esm for compatibility with both ESM and CJS projects in NodeJS.",
   "devDependencies": {
-    "@commitlint/cli": "^19.8.1",
-    "@commitlint/config-conventional": "^19.8.1",
+    "@commitlint/cli": "^20.0.0",
+    "@commitlint/config-conventional": "^20.0.0",
     "@eslint/eslintrc": "^3.3.1",
-    "@eslint/js": "^9.29.0",
+    "@eslint/js": "^9.36.0",
     "@types/httptoolkit__esm": "^3.3.0",
     "@types/jest": "^30.0.0",
-    "@types/node": "^24.0.3",
-    "@typescript-eslint/eslint-plugin": "^8.34.1",
-    "@typescript-eslint/parser": "^8.34.1",
-    "eslint": "^9.29.0",
-    "eslint-config-prettier": "^10.1.5",
-    "eslint-import-resolver-typescript": "^4.4.3",
+    "@types/node": "^24.5.2",
+    "@typescript-eslint/eslint-plugin": "^8.44.1",
+    "@typescript-eslint/parser": "^8.44.1",
+    "eslint": "^9.36.0",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-import-resolver-typescript": "^4.4.4",
     "eslint-plugin-import": "^2.32.0",
     "eslint-plugin-jest": "^29.0.1",
-    "eslint-plugin-prettier": "^5.5.0",
-    "eslint-plugin-react-refresh": "^0.4.20",
-    "globals": "^16.2.0",
+    "eslint-plugin-prettier": "^5.5.4",
+    "eslint-plugin-react-refresh": "^0.4.22",
+    "globals": "^16.4.0",
     "husky": "^9.1.7",
-    "jest": "^30.0.2",
-    "node-datachannel": "^0.28.0",
+    "jest": "^30.1.3",
+    "node-datachannel": "^0.29.0",
     "node-fetch": "^3.3.2",
-    "ts-jest": "^29.4.0",
+    "ts-jest": "^29.4.4",
     "ts-node": "^10.9.2",
-    "typescript": "^5.8.3"
+    "tsdown": "^0.15.5",
+    "typescript": "^5.9.2"
   },
   "dependencies": {
     "@httptoolkit/esm": "^3.3.2"
   },
-  "packageManager": "pnpm@10.12.1"
+  "packageManager": "pnpm@10.17.1",
+  "main": "./dist/index.js",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.js"
+    },
+    "./package.json": "./package.json"
+  }
 }