From 2db30856f932d33974f32db434b95e4907b9234b Mon Sep 17 00:00:00 2001
From: Nolan Lawson <nolan@nolanlawson.com>
Date: Wed, 14 Mar 2018 18:38:26 -0700
Subject: [PATCH] fix bug where large items might not be rendered when
 scrolling up

---
 routes/_components/virtualList/virtualListStore.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/routes/_components/virtualList/virtualListStore.js b/routes/_components/virtualList/virtualListStore.js
index b8772bb..319866f 100644
--- a/routes/_components/virtualList/virtualListStore.js
+++ b/routes/_components/virtualList/virtualListStore.js
@@ -40,14 +40,14 @@ virtualListStore.compute('rawVisibleItems',
         let height = itemHeights[key] || 0
         let currentOffset = totalOffset
         totalOffset += height
-        let isBelowViewport = (currentOffset < scrollTop)
-        if (isBelowViewport) {
-          if (scrollTop - renderBuffer > currentOffset) {
-            continue // below the area we want to render
+        let isAboveViewport = (currentOffset < scrollTop)
+        if (isAboveViewport) {
+          if ((scrollTop - height - renderBuffer) > currentOffset) {
+            continue // above the area we want to render
           }
         } else {
           if (currentOffset > (scrollTop + height + renderBuffer)) {
-            break // above the area we want to render
+            break // below the area we want to render
           }
         }
         visibleItems.push({