build npm packages before publish

.changes/config.json

@@ -3,8 +3,11 @@
   "pkgManagers": {
     "javascript": {
       "version": true,
-      "getPublishedVersion": "npm view ${ pkgFile.pkg.name } version",
+      "getPublishedVersion": "pnpm view ${ pkgFile.pkg.name } version",
-      "publish": ["npm publish --access public"]
+      "publish": [
+        "pnpm build",
+        "pnpm publish --access public"
+      ]
     },
     "rust": {
       "version": true,