Replaced spread syntax from mappers to object assign operation.

Author: Lucas Cosmo Rocha

lib/mapper/fields.js

@@ -25,7 +25,7 @@ function processQuery(query) {
 }
 
 function validate_fields(_values, _default) {
-    return {..._values, ..._default}
+    return Object.assign(_values, _default)
 }
 
 exports = module.exports = {

lib/mapper/filters.js

@@ -229,7 +229,7 @@ function normalizeDate(date, isDateStart) {
 }
 
 function validate_filters(_values, _default) {
-    return {..._values, ..._default}
+    return Object.assign(_values, _default)
 }
 
 exports = module.exports = {

lib/mapper/ordination.js

@@ -27,7 +27,7 @@ function processQuery(query) {
 
 
 function validate_sort(_values, _default) {
-    return {..._values, ..._default}
+    return Object.assign(_values, _default)
 }
 
 exports = module.exports = {

test/integration/index.custom.config.spec.js

@@ -115,17 +115,4 @@ function validate(query, options) {
     expect(query.sort).to.eql(options.default.sort)
     expect(query.fields).to.eql(options.default.fields)
     expect(query.filters).to.eql(options.default.filters)
-}
-
-function normalizeDate(date, isDateStart) {
-    if (isDateStart) {
-        return date.replace(/\D/g, '').replace(/(\d{4})(\d{2})(\d{2})/, '$1-$2-$3T00:00:00')
-    }
-    return date.replace(/\D/g, '').replace(/(\d{4})(\d{2})(\d{2})/, '$1-$2-$3T23:59:59')
-}
-
-function dateToString(date) {
-    return `${date.getFullYear()}-`
-        .concat(`${(date.getMonth() + 1) > 9 ? (date.getMonth() + 1) : '0'.concat((date.getMonth() + 1))}-`)
-        .concat(`${date.getDate() > 9 ? date.getDate() : '0'.concat(date.getDate())}`)
 }