feat(textarea): add change event

Author: dolymood

src/common/mixins/input.js

@@ -1,5 +1,10 @@
+const EVENT_CHANGE = 'change'
+
 export default {
   methods: {
+    changeHander(e) {
+      this.$emit(EVENT_CHANGE, e)
+    },
     focus() {
       this.$refs.input.focus()
     },

src/components/input/input.vue

@@ -33,7 +33,6 @@
   import inputMixin from '../../common/mixins/input'
   const COMPONENT_NAME = 'cube-input'
   const EVENT_INPUT = 'input'
-  const EVENT_CHANGE = 'change'
   const EVENT_BLUR = 'blur'
   const EVENT_FOCUS = 'focus'
 
@@ -145,9 +144,6 @@
       }
     },
     methods: {
-      changeHander(e) {
-        this.$emit(EVENT_CHANGE, e)
-      },
       formatClearable() {
         if (typeof this.clearable === 'boolean') {
           this.formatedClearable.visible = this.clearable

src/components/textarea/textarea.vue

@@ -9,7 +9,9 @@
       :maxlength="maxlength"
       :disabled="disabled"
       @focus="handleFocus"
-      @blur="handleBlur">
+      @blur="handleBlur"
+      @change="changeHander"
+    >
     </textarea>
     <span v-if="indicator" v-show="expanded" class="cube-textarea-indicator">{{indicatorConf.remain ? remain : count}}</span>
   </div>