From a70c0ac5f4957fef1aaea555a771ee4b8eb60996 Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@youzan.com>
Date: Wed, 25 Sep 2019 15:11:23 +0800
Subject: [PATCH] fix(Swipe): incorrect swipeTo animation (#4570)

---
 src/swipe/index.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/swipe/index.js b/src/swipe/index.js
index 556ccd4fe..422be52a7 100644
--- a/src/swipe/index.js
+++ b/src/swipe/index.js
@@ -254,8 +254,15 @@ export default createComponent({
       this.correctPosition();
 
       doubleRaf(() => {
+        let targetIndex;
+        if (this.loop && index === this.count) {
+          targetIndex = this.active === 0 ? 0 : index;
+        } else {
+          targetIndex = index % this.count;
+        }
+
         this.move({
-          pace: (index % this.count) - this.active,
+          pace: targetIndex - this.active,
           emitChange: true
         });