Fix chat new messages fixed button

src/app/util/notifications.ts

@@ -45,13 +45,9 @@ export const syncChecked = () => {
       .map((_, i, segments) => segments.slice(0, i + 1).join("/"))
       .slice(1)
 
-  // Set checked when we enter and when we leave a given page
   return page.subscribe($page => {
+    // Set checked when we leave a given page
     checked.update($checked => {
-      for (const path of getPaths($page.url.pathname)) {
-        $checked[path] = now()
-      }
-
       for (const path of getPaths(prev)) {
         $checked[path] = now()
       }
@@ -59,6 +55,17 @@ export const syncChecked = () => {
       return $checked
     })
 
+    // Set checked when we visit a given page - but delay it a tad
+    setTimeout(() => {
+      checked.update($checked => {
+        for (const path of getPaths($page.url.pathname)) {
+          $checked[path] = now()
+        }
+
+        return $checked
+      })
+    }, 300)
+
     prev = $page.url.pathname
   })
 }
@@ -67,7 +74,7 @@ export const syncChecked = () => {
 
 export const allNotifications = derived(
   throttled(
-    2000,
+    1000,
     derived(
       [
         pubkey,

src/routes/spaces/[relay]/[h]/+page.svelte

@@ -176,13 +176,14 @@
 
     const newMessages = document.getElementById("new-messages")
 
-    if (!newMessages || newMessagesSeen) {
+    if (newMessagesSeen) {
       showFixedNewMessages = false
-    } else {
+    } else if (newMessages) {
       const {y} = newMessages.getBoundingClientRect()
 
-      if (y > 300) {
+      if (y > 0 && y < 300) {
         newMessagesSeen = true
+        showFixedNewMessages = false
       } else {
         showFixedNewMessages = y < 0
       }

src/routes/spaces/[relay]/chat/+page.svelte

@@ -109,13 +109,14 @@
 
     const newMessages = document.getElementById("new-messages")
 
-    if (!newMessages || newMessagesSeen) {
+    if (newMessagesSeen) {
       showFixedNewMessages = false
-    } else {
+    } else if (newMessages) {
       const {y} = newMessages.getBoundingClientRect()
 
-      if (y > 300) {
+      if (y > 0 && y < 300) {
         newMessagesSeen = true
+        showFixedNewMessages = false
       } else {
         showFixedNewMessages = y < 0
       }