style: format code

Author: tangjinzhou

components/date-picker/utils.js

@@ -1,15 +1,11 @@
 export function formatDate(value, format) {
-  const isFunction = function(obj) {
-    return !!(obj && obj.constructor && obj.call && obj.apply);
-  };
-  
   if (!value) {
     return '';
   }
   if (Array.isArray(format)) {
     format = format[0];
   }
-  if (isFunction(format)) {
+  if (typeof format === 'function') {
     const result = format(value);
     if (typeof result === 'string') {
       return result;

components/table/Table.jsx

@@ -157,7 +157,7 @@ export default {
       sPagination: this.getDefaultPagination(this.$props),
       pivot: undefined,
       sComponents: createComponents(this.components),
-      filterDataCnt: 0
+      filterDataCnt: 0,
     };
   },
   watch: {

components/vc-calendar/src/util/index.js

@@ -92,10 +92,6 @@ export function isAllowedDate(value, disabledDate, disabledTime) {
 }
 
 export function formatDate(value, format) {
-  const isFunction = function(obj) {
-    return !!(obj && obj.constructor && obj.call && obj.apply);
-  };
-  
   if (!value) {
     return '';
   }
@@ -104,7 +100,7 @@ export function formatDate(value, format) {
     format = format[0];
   }
 
-  if (isFunction(format)) {
+  if (typeof format === 'function') {
     const result = format(value);
     if (typeof result === 'string') {
       return result;