maxMerge itemact cache fields on navigation

huumn · huumn · commit ceaa5bb3f1a9 · 2026-04-20T15:41:51.000-05:00
diff --git a/lib/apollo.js b/lib/apollo.js
@@ -30,6 +30,16 @@ export default function getApolloClient () {
 
 export const meAnonSats = {}
 
+// preserve locally-bumped zap/boost/downzap counters against stale SSR writes on navigation.
+// cache.modify (used by modifyActCache/updateAncestors) bypasses merge, so local bumps write
+// through cleanly; merge only runs on writeQuery/query-result writes, which is where stale
+// ssrData would otherwise clobber a pending zap that hasn't been sent to the server yet.
+const maxMerge = (existing, incoming) => {
+  if (existing == null) return incoming
+  if (incoming == null) return existing
+  return Math.max(existing, incoming)
+}
+
 const retryLink = new RetryLink({
   delay: {
     initial: 300,
@@ -328,6 +338,17 @@ function getClient (uri) {
         },
         Item: {
           fields: {
+            sats: { merge: maxMerge },
+            credits: { merge: maxMerge },
+            meSats: { merge: maxMerge },
+            meCredits: { merge: maxMerge },
+            meDontLikeSats: { merge: maxMerge },
+            downSats: { merge: maxMerge },
+            boost: { merge: maxMerge },
+            commentSats: { merge: maxMerge },
+            commentCredits: { merge: maxMerge },
+            commentDownSats: { merge: maxMerge },
+            commentBoost: { merge: maxMerge },
             comments: {
               keyArgs: ['sort'],
               merge (existing, incoming) {
