[bugfix] Toast: method warning when touchmove (#618)

packages/overlay/index.js

@@ -14,6 +14,9 @@ create({
   methods: {
     onClick() {
       this.$emit('click');
-    }
+    },
+
+    // for prevent touchmove
+    noop() {}
   }
 });

packages/overlay/index.wxml

@@ -3,5 +3,5 @@
   custom-class="van-overlay"
   custom-style="z-index: {{ zIndex }}; {{ mask ? 'background-color: rgba(0, 0, 0, .7);' : '' }}; {{ customStyle }}"
   bind:tap="onClick"
-  catch:touchmove
+  catch:touchmove="noop"
 />

packages/toast/index.js

@@ -29,6 +29,9 @@ create({
       this.setData({
         show: false
       });
-    }
+    },
+
+    // for prevent touchmove
+    noop() {}
   }
 });

packages/toast/index.wxml

@@ -10,7 +10,7 @@
 >
   <view
     class="van-toast van-toast--{{ type === 'text' ? 'text' : 'icon' }} van-toast--{{ position }}"
-    catch:touchmove
+    catch:touchmove="noop"
   >
     <!-- text only -->
     <view wx:if="{{ type === 'text' }}">{{ message }}</view>