修复(充值弹层): 未选中时左方向键回卷到最后一项

- resolveRovingIndex 的 currentIndex 允许为 -1，ArrowLeft 特判为 length-1，避免落到倒数第二项
2026-10-05 11:59:32 +08:00
parent 5d2de88a40
commit f0dfddb910
1 changed files with 4 additions and 1 deletions
@@ -54,7 +54,10 @@ function resolveRovingIndex(
    case 'End':
      return length - 1;
    case 'ArrowLeft':
-      return (currentIndex - 1 + length) % length;
+      // 未选中（-1）时应回卷到最后一项，而不是 (length - 2) % length。
+      return currentIndex < 0
+        ? length - 1
+        : (currentIndex - 1 + length) % length;
    case 'ArrowRight':
      return (currentIndex + 1) % length;
    default: