fix: correct the high of bindary-search for finding the item index fr…

…om scroll
wellyshen · May 28, 2021 · bf7d25b · bf7d25b
1 parent d155b69
commit bf7d25b
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diff --git a/.changeset/orange-dolls-raise.md b/.changeset/orange-dolls-raise.md
@@ -0,0 +1,5 @@
+---
+"react-cool-virtual": patch
+---
+
+fix: correct the high of bindary-search for finding the item index from scroll
diff --git a/src/useVirtual.ts b/src/useVirtual.ts
@@ -147,7 +147,7 @@ export default <
       } else {
         vStart = findNearestBinarySearch(
           0,
-          msData.length,
+          msData.length - 1,
           scrollOffset,
           (idx) => msData[idx].start
         );