fix: ensure dist is generated before publishing to npm

Author: huanfe1

package.json

@@ -8,7 +8,8 @@
         "dev": "rollup -c -w",
         "build": "rollup -c",
         "format": "prettier --write .",
-        "postversion": "git push && git push --tags"
+        "postversion": "git push && git push --tags",
+        "prepublishOnly": "pnpm build"
     },
     "repository": {
         "type": "git",
@@ -52,4 +53,4 @@
         "sass": "^1.85.1",
         "tslib": "^2.8.1"
     }
-}
+}