From 7bc8c5022ac7835fe23c33f2d4f73f12b93be34b Mon Sep 17 00:00:00 2001
From: Kay <raistlin916@gmail.com>
Date: Wed, 9 Aug 2017 14:48:46 +0800
Subject: [PATCH] Fixed: one page Swipe components error (#70)

---
 packages/swipe/src/scroll.js      | 12 ++++++------
 packages/swipe/src/swipe-item.vue |  7 +++++++
 packages/swipe/src/swipe.vue      | 27 ++++++++++++++++++++-------
 3 files changed, 33 insertions(+), 13 deletions(-)

diff --git a/packages/swipe/src/scroll.js b/packages/swipe/src/scroll.js
index d70b1aba1..988e74e49 100755
--- a/packages/swipe/src/scroll.js
+++ b/packages/swipe/src/scroll.js
@@ -69,12 +69,6 @@ extend(Scroll.prototype, {
     var leftOffset = offset - wrapWidth;
     var rightOffset = offset + wrapWidth;
 
-    page = this.getCurrentPage();
-    if (page) {
-      page.style['-webkit-transform'] = 'translate3d(' + offset + 'px, 0, 0)';
-      page.style['display'] = 'block';
-    }
-
     leftPage = this.pages[this.mapLoopPage(currentOffsetPage - 1)];
     if (leftPage) {
       if (Math.abs(leftOffset) <= wrapWidth) {
@@ -96,6 +90,12 @@ extend(Scroll.prototype, {
         }
       }
     }
+
+    page = this.getCurrentPage();
+    if (page) {
+      page.style['-webkit-transform'] = 'translate3d(' + offset + 'px, 0, 0)';
+      page.style['display'] = 'block';
+    }
   },
 
   movePage: function(dist, isEnd) {
diff --git a/packages/swipe/src/swipe-item.vue b/packages/swipe/src/swipe-item.vue
index ba4489474..dafed2fd2 100644
--- a/packages/swipe/src/swipe-item.vue
+++ b/packages/swipe/src/swipe-item.vue
@@ -10,6 +10,13 @@ export default {
 
   beforeCreate() {
     this.$parent.swipes.push(this);
+  },
+
+  destroyed() {
+    const index = this.$parent.swipes.indexOf(this)
+    if (index > -1) {
+      this.$parent.swipes.splice(index, 1)
+    }
   }
 };
 </script>
diff --git a/packages/swipe/src/swipe.vue b/packages/swipe/src/swipe.vue
index 5063cf8e2..4b6d818b6 100644
--- a/packages/swipe/src/swipe.vue
+++ b/packages/swipe/src/swipe.vue
@@ -36,11 +36,6 @@ export default {
   },
 
   mounted() {
-    const pages = this.$el.querySelectorAll('.van-swipe-item')
-    if (pages.length <= 1) {
-      return
-    }
-
     this.input = new Input(this.$el, {
       listenMoving: true
     });
@@ -66,10 +61,28 @@ export default {
     }).on('autoPlay', function(dist, isEnd) {
       scroll.movePage(dist.x, isEnd);
     });
+    this.dummy = dummy
   },
 
-  updated() {
-    this.scroll.update();
+  watch: {
+    swipes(value) {
+      if (this.autoPlay && value.length > 1) {
+        this.dummy.initMove()
+      } else {
+        this.dummy.clearMove()
+      }
+      this.scroll.update();
+      return value
+    },
+
+    autoPlay(value) {
+      if (value && this.swipes.length > 1) {
+        this.dummy.initMove()
+      } else {
+        this.dummy.clearMove()
+      }
+      return value
+    }
   },
 
   methods: {