refactor: remove listners function from form-mixins

Author: woothu

src/components/form/CInput.vue

@@ -106,6 +106,10 @@ export default {
   //   }
   // },
   computed: {
+    listeners () {
+      const { input, change, ...listeners } = this.$listeners // eslint-disable-line no-unused-vars
+      return listeners
+    }
     // classesComputedProps mixin
     // haveCustomSize () {
     //   return ['sm','lg'].includes(this.size)

src/components/form/CTextarea.vue

@@ -100,6 +100,10 @@ export default {
   //   }
   // },
   computed: {
+    listeners () {
+      const { input, change, ...listeners } = this.$listeners // eslint-disable-line no-unused-vars
+      return listeners
+    }
     // classesComputedProps mixin
     // haveCustomSize () {
     //   return ['sm','lg'].includes(this.size)

src/components/form/form-mixins.js

@@ -2,26 +2,22 @@ import { makeUid } from '@coreui/utils/src'
 
 export const sharedComputedProps = {
   computed: {
-    computedIsValid() {
+    computedIsValid () {
       if (typeof this.isValid === 'function') {
         return this.isValid(this.state)
       }
       return this.isValid
     },
-    validationClass() {
+    validationClass () {
       if (typeof this.computedIsValid === 'boolean') {
         return this.computedIsValid ? 'is-valid' : 'is-invalid'
       }
     },
-    safeId() {
+    safeId () {
       if (this.id || this.$attrs.id) {
         return this.id || this.$attrs.id
       }
       return makeUid()
-    },
-    listeners () {
-      const { input, change, ...listeners } = this.$listeners // eslint-disable-line no-unused-vars
-      return listeners
     }
   }
 }