inline-calendar: fix on-change event fires twice (Close #1847)

src/components/inline-calendar/index.vue

@@ -261,7 +261,6 @@ export default {
         this.render(this.year, this.month, value)
       }
       this.$emit('input', this.currentValue)
-      this.$emit('on-change', this.currentValue)
     },
     showChild (year, month, child) {
       if (this.replaceText(child.day, this.formatDate(year, month, child))) {

src/components/inline-calendar/metas.yml

@@ -97,6 +97,11 @@ events:
     en: emits when value is changed
     zh-CN: 值变化时触发
 changes:
+  next:
+    en:
+      - '[fix] fix on-change event fires twice #1847'
+    zh-CN:
+      - '[fix] 修复 on-change 事件触发两次问题 #1847'
   v2.5.5:
     en:
       - '[feature] support multi select #1446 #1467'

src/demos/InlineCalendar.vue

@@ -1,6 +1,7 @@
 <template>
 <div>
   <inline-calendar
+  @on-change="onChange"
   class="inline-calendar-demo"
   :show.sync="show"
   v-model="value"
@@ -81,6 +82,11 @@
 import { InlineCalendar, Group, XSwitch, Radio, XButton, Cell, Divider } from 'vux'
 
 export default {
+  methods: {
+    onChange (val) {
+      console.log('on-change', val)
+    }
+  },
   data () {
     return {
       show: true,