From 6cf84fe1a25d6a57a73bce779e3d93cfc5d6e790 Mon Sep 17 00:00:00 2001
From: "Ng Wing Tat, David" <i@ngwingt.at>
Date: Tue, 14 Jan 2020 19:34:08 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=EF=B8=8F=20Update=20contents=20cachin?=
 =?UTF-8?q?g=20logic?=
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---
 app/models/root-store/setup-root-store.ts | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/app/models/root-store/setup-root-store.ts b/app/models/root-store/setup-root-store.ts
index 4ffe439f7..9cd2f9dc6 100644
--- a/app/models/root-store/setup-root-store.ts
+++ b/app/models/root-store/setup-root-store.ts
@@ -88,7 +88,7 @@ export async function setupRootStore() {
   onSnapshot(
     rootStore,
     ({
-      /* eslint-disable @typescript-eslint/no-unused-vars */
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
       navigationStore,
       readerStore: {
         contents,
@@ -99,18 +99,24 @@ export async function setupRootStore() {
         bookmarkList,
       },
       ...snapshot
-      /* eslint-enable @typescript-eslint/no-unused-vars */
     }) => {
-      const bookmarkURLs = new Set(bookmarkList)
-      const [bookmarks, restContents] = partition(c => bookmarkURLs.has(c.url), Object.values(contents))
+      const toBePersistedContentURLs = new Set([
+        ...bookmarkList,
+        ...featuredList,
+        ...followedList.slice(0, 20),
+      ])
+      const [toBePersistedContents, restContents] = partition(
+        c => toBePersistedContentURLs.has(c.url),
+        Object.values(contents)
+      )
       const snContents = {}
       const snCreators = {}
       restContents
         .sort((a, b) => b.timestamp - a.timestamp)
         // Cache 1,000 contents at max and
         .slice(0, 1000)
-        // cache all bookmarks
-        .concat(bookmarks)
+        // Cache preferred contents
+        .concat(toBePersistedContents)
         .forEach(c => {
           snContents[c.url] = c
           if (creators[c.creator]) {