From b378b660fefa49acb1a9986adf28d299a28a9609 Mon Sep 17 00:00:00 2001
From: Zero <339369805@qq.com>
Date: Tue, 30 Oct 2018 16:18:55 +0800
Subject: [PATCH] Loadmore throw error with cancelable=false

When use both :top-method and :bottom-method in loadmore.vue. Touchmove event handler function 'handleTouchMove()' throw error.
Ignored attempt to cancel a touchmove event with cancelable=false.
Fix it with event.cancelable.
---
 packages/loadmore/src/loadmore.vue | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/loadmore/src/loadmore.vue b/packages/loadmore/src/loadmore.vue
index 431b7318..f483b487 100644
--- a/packages/loadmore/src/loadmore.vue
+++ b/packages/loadmore/src/loadmore.vue
@@ -295,7 +295,9 @@
         this.direction = distance > 0 ? 'down' : 'up';
         if (typeof this.topMethod === 'function' && this.direction === 'down' &&
           this.getScrollTop(this.scrollEventTarget) === 0 && this.topStatus !== 'loading') {
-          event.preventDefault();
+          if (event.cancelable) {
+            event.preventDefault();
+          }
           event.stopPropagation();
           if (this.maxDistance > 0) {
             this.translate = distance <= this.maxDistance ? distance - this.startScrollTop : this.translate;
@@ -313,7 +315,9 @@
         }
         if (typeof this.bottomMethod === 'function' && this.direction === 'up' &&
           this.bottomReached && this.bottomStatus !== 'loading' && !this.bottomAllLoaded) {
-          event.preventDefault();
+          if (event.cancelable) {
+            event.preventDefault();
+          }
           event.stopPropagation();
           if (this.maxDistance > 0) {
             this.translate = Math.abs(distance) <= this.maxDistance