chore: replace unbuild with tsdown

Author: northword

build.config.ts

@@ -14,25 +14,30 @@
     "url": "https://github.com/zotero-plugin-dev/eslint-config/issues"
   },
   "exports": {
-    ".": "./dist/index.mjs"
+    ".": "./dist/index.js",
+    "./package.json": "./package.json"
   },
-  "main": "./dist/index.mjs",
-  "module": "./dist/index.mjs",
-  "types": "./dist/index.d.mts",
+  "main": "./dist/index.js",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
   "files": [
     "dist"
   ],
   "publishConfig": {
-    "access": "public"
+    "access": "public",
+    "exports": {
+      ".": "./dist/index.js",
+      "./package.json": "./package.json"
+    }
   },
   "engines": {
     "node": "^18.18.0 || >=20.0.0"
   },
   "scripts": {
-    "dev": "unbuild --stub",
+    "dev": "tsdown --watch",
     "dev:inspector": "eslint-config-inspector --config eslint-inspector.config.ts",
-    "build": "pnpm build:typegen && pnpm build:tsc && pnpm build:unbuild",
-    "build:unbuild": "unbuild",
+    "build": "pnpm build:typegen && pnpm build:tsc && pnpm build:tsdown",
+    "build:tsdown": "tsdown",
     "build:typegen": "tsx scripts/typegen.ts",
     "build:tsc": "tsc --noEmit",
     "build:inspector": "eslint-config-inspector build --config eslint-inspector.config.ts",
@@ -62,9 +67,9 @@
     "eslint-typegen": "^2.2.0",
     "husky": "^9.1.7",
     "lint-staged": "^16.1.0",
+    "tsdown": "^0.12.7",
     "tsx": "^4.20.1",
-    "typescript": "^5.8.3",
-    "unbuild": "^3.5.0"
+    "typescript": "^5.8.3"
   },
   "lint-staged": {
     "*": "eslint --fix"