Fix search repeating when the end has been reached

public/js/infiniteScroll.js

@@ -12,7 +12,10 @@ function isDuplicate(item, itemClass) {
   const tweet = item.querySelector(".tweet-link");
   if (tweet == null) return false;
   const href = tweet.getAttribute("href");
-    return document.querySelector(itemClass + " .tweet-link[href='" + href + "']") != null;
+  return (
+    document.querySelector(itemClass + " .tweet-link[href='" + href + "']") !=
+    null
+  );
 }
 
 window.onload = function () {
@@ -38,11 +41,12 @@ window.onload = function () {
       var url = new URL(loadMore.children[0].href);
       url.searchParams.append("scroll", "true");
 
-            fetch(url.toString()).then(function (response) {
-                if (response.status === 404) throw "error";
-
+      fetch(url.toString())
+        .then(function (response) {
+          if (response.status > 299) throw "error";
           return response.text();
-            }).then(function (html) {
+        })
+        .then(function (html) {
           var parser = new DOMParser();
           var doc = parser.parseFromString(html, "text/html");
           loadMore.remove();
@@ -59,7 +63,8 @@ window.onload = function () {
           if (newLoadMore == null) return;
           if (isTweet) container.appendChild(newLoadMore);
           else insertBeforeLast(container, newLoadMore);
-            }).catch(function (err) {
+        })
+        .catch(function (err) {
           console.warn("Something went wrong.", err);
           if (failed > 3) {
             loadMore.children[0].text = "Error";

src/api.nim

@@ -168,6 +168,11 @@ proc getGraphTweetSearch*(query: Query; after=""): Future[Timeline] {.async.} =
   result = parseGraphSearch[Tweets](js, after)
   result.query = query
 
+  # when no more items are available the API just returns the last page in
+  # full. this detects that and clears the page instead.
+  if after.len > 0 and after[0..<64] == result.bottom[0..<64]:
+    result.content.setLen(0)
+
 proc getGraphUserSearch*(query: Query; after=""): Future[Result[User]] {.async.} =
   if query.text.len == 0:
     return Result[User](query: query, beginning: true)

src/routes/status.nim

@@ -27,7 +27,7 @@ proc createStatusRouter*(cfg: Config) =
       if @"scroll".len > 0:
         let replies = await getReplies(id, getCursor())
         if replies.content.len == 0:
-          resp Http404, ""
+          resp Http204
         resp $renderReplies(replies, prefs, getPath())
 
       let conv = await getTweet(id, getCursor())

src/routes/timeline.nim

@@ -129,7 +129,8 @@ proc createTimelineRouter*(cfg: Config) =
       if @"scroll".len > 0:
         if query.fromUser.len != 1:
           var timeline = await getGraphTweetSearch(query, after)
-          if timeline.content.len == 0: resp Http404
+          if timeline.content.len == 0: 
+            resp Http204
           timeline.beginning = true
           resp $renderTweetSearch(timeline, prefs, getPath())
         else: