From 5553799f81a3e629255311f9f0c50d94ed8027d3 Mon Sep 17 00:00:00 2001
From: youluna <njuzhaoguoyan@foxmail.com>
Date: Tue, 9 Jul 2019 16:56:44 +0800
Subject: [PATCH] fix(Overlay): endless loop in  position calculate

---
 src/overlay/utils/position.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/overlay/utils/position.js b/src/overlay/utils/position.js
index db8c3df7c3..9f87808ac9 100644
--- a/src/overlay/utils/position.js
+++ b/src/overlay/utils/position.js
@@ -353,12 +353,14 @@ export default class Position {
     _isInViewport(element) {
         const viewportSize = _getViewportSize();
         // Avoid animate problem that use offsetWidth instead of getBoundingClientRect.
-        const elementRect = _getElementRect(element);
+        // const elementRect = _getElementRect(element);
+        const elementRect = element.getBoundingClientRect();
+
         return (
             elementRect.left >= 0 &&
-            elementRect.left + element.offsetWidth <= viewportSize.width &&
+            elementRect.left + element.offsetWidth < viewportSize.width &&
             elementRect.top >= 0 &&
-            elementRect.top + element.offsetHeight <= viewportSize.height
+            elementRect.top + element.offsetHeight < viewportSize.height
         );
     }
     // 在这里做RTL判断 top-left 定位转化为等效的 top-right定位