resize observe update

2024-08-17 21:13:30 -05:00
parent 6d34f7ffd9
commit 82655981ec
2 changed files with 22 additions and 2 deletions
--- a/webpage/infiniteScroller.ts
+++ b/webpage/infiniteScroller.ts
@@ -27,7 +27,17 @@ class InfiniteScroller{

        this.scroll=scroll;
        this.scroll.addEventListener("scroll",this.watchForChange.bind(this));
-        new ResizeObserver(this.watchForChange.bind(this)).observe(div);
+        {
+            let oldheight=0;
+            new ResizeObserver(_=>{
+                const change=oldheight-this.div.offsetHeight;
+                if(change>0){
+                    this.scroll.scrollTop+=change;
+                }
+                oldheight=this.div.offsetHeight;
+                this.watchForChange();
+            }).observe(div);
+        }
        new ResizeObserver(this.watchForChange.bind(this)).observe(scroll);

        await this.firstElement(initialId)