finish setting up dev dependencies properly

package-lock.json

@@ -13,7 +13,9 @@
         "@types/chrome": "^0.0.242",
         "@types/node": "^20.5.0",
         "dprint": "^0.40.2",
-        "rollup": "^3.26.3"
+        "rollup": "^3.26.3",
+        "tslib": "^2.6.1",
+        "typescript": "^5.1.6"
       }
     },
     "node_modules/@dprint/darwin-arm64": {
@@ -322,12 +324,17 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.1.tgz",
+      "integrity": "sha512-t0hLfiEKfMUoqhG+U1oid7Pva4bbDPHYfJNiB7BiIjRkj1pyC++4N3huJfqY6aRH6VTB0rvtzQwjM4K6qpfOig==",
+      "dev": true
+    },
     "node_modules/typescript": {
       "version": "5.1.6",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.6.tgz",
       "integrity": "sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==",
       "dev": true,
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"

package.json

@@ -4,6 +4,8 @@
   "main": "build/index.js",
   "type": "module",
   "scripts": {
+    "build": "rollup -c",
+    "build:watch": "rollup -c --watch",
     "fmt": "dprint fmt"
   },
   "devDependencies": {
@@ -12,6 +14,8 @@
     "@types/chrome": "^0.0.242",
     "@types/node": "^20.5.0",
     "dprint": "^0.40.2",
-    "rollup": "^3.26.3"
+    "rollup": "^3.26.3",
+    "tslib": "^2.6.1",
+    "typescript": "^5.1.6"
   }
 }

rollup.config.js

@@ -8,7 +8,7 @@ export default defineConfig({
 		dir: 'build',
 	},
 	external: [
-		'node:fs',
+		'node:fs/promises',
 		'node:path',
 	],
 	plugins: [