Some minor improvements of ExpenseSerializer

lib/serializers/expense.js

@@ -1,4 +1,4 @@
-let schemas = require('@kosmos/schemas');
+const schemas = require('@kosmos/schemas');
 const validator = require('../utils/validator');
 
 /**
@@ -7,7 +7,7 @@ const validator = require('../utils/validator');
  * @class
  * @public
  */
-class Expense {
+class ExpenseSerializer {
 
   constructor (attrs) {
     Object.keys(attrs).forEach(a => this[a] = attrs[a]);
@@ -24,7 +24,7 @@ class Expense {
   }
 
   get data () {
-    let {
+    const {
       title,
       description,
       currency,
@@ -35,7 +35,7 @@ class Expense {
       details,
     } = this;
 
-    let data = {
+    const data = {
       '@context': 'https://schema.kosmos.org',
       '@type': 'Expense',
       title,
@@ -71,7 +71,7 @@ class Expense {
    * @public
    */
   static deserialize (serialized) {
-    let {
+    const {
       title,
       description,
       currency,
@@ -97,4 +97,4 @@ class Expense {
 
 }
 
-module.exports = Expense;
+module.exports = ExpenseSerializer;