Update scroller.ts

inokawa · Jan 20, 2024 · 7d98882 · 7d98882
1 parent 24dd4f3
commit 7d98882
Showing 1 changed file with 6 additions and 7 deletions.
diff --git a/src/core/scroller.ts b/src/core/scroller.ts
@@ -17,15 +17,14 @@ import {
 import { ScrollToIndexOpts } from "./types";
 import { debounce, timeout, clamp } from "./utils";
 
-/**
- * scrollLeft is negative value in rtl direction.
- *
- * left  right
- * -100  0      spec compliant
- * https://github.com/othree/jquery.rtl-scroll-type
- */
 const normalizeOffset = (offset: number, isHorizontal: boolean): number => {
   if (isHorizontal && isRTLDocument()) {
+    // scrollLeft is negative value in rtl direction.
+    //
+    // left  right
+    // 0     100    spec compliant (ltr)
+    // -100  0      spec compliant (rtl)
+    // https://github.com/othree/jquery.rtl-scroll-type
     return -offset;
   } else {
     return offset;