filter non-public page on sitemap

lib/get-site-map.ts

@@ -1,4 +1,4 @@
-import { getAllPagesInSpace, uuidToId } from 'notion-utils'
+import { getAllPagesInSpace, uuidToId, getPageProperty } from 'notion-utils'
 import pMemoize from 'p-memoize'
 
 import * as config from './config'
@@ -47,6 +47,11 @@ async function getAllPagesImpl(
         throw new Error(`Error loading page "${pageId}"`)
       }
 
+      const block = recordMap.block[pageId]?.value
+      if (!(getPageProperty<boolean|null>('Public', block, recordMap) ?? true)) {
+        return map
+      }
+
       const canonicalPageId = getCanonicalPageId(pageId, recordMap, {
         uuid
       })