chore: new builds & types using tsdown (#20)

packages/core/playback-engine/package.json

@@ -1,22 +1,24 @@
 {
   "name": "@vjs-10/playback-engine",
+  "type": "module",
   "version": "0.1.0",
-  "description": "An abstraction for building or abstracting media source management (provides a common contract for things like hls.js or dash.js).",
+  "description": "Common media playback engine utilities and contracts supporting various streaming protocols",
   "main": "dist/index.js",
-  "module": "dist/index.mjs",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "import": "./dist/index.mjs",
-      "require": "./dist/index.js"
+      "default": "./dist/index.js"
     }
   },
   "files": [
     "dist"
   ],
   "scripts": {
-    "build": "tsup",
+    "build": "tsdown",
+    "build:watch": "tsdown --watch --silent",
+    "dev": "pnpm run build:watch",
     "test": "echo \"No tests yet\"",
     "clean": "rm -rf dist"
   },
@@ -33,7 +35,7 @@
     "hls.js": "^1.6.7"
   },
   "devDependencies": {
-    "tsup": "^8.5.0",
+    "tsdown": "^0.15.4",
     "typescript": "^5.9.2"
   },
   "publishConfig": {