From aa73340b1533073f9ed18e63c5762dc7a8dcdd48 Mon Sep 17 00:00:00 2001
From: mAAdhaTTah <jamesorodig@gmail.com>
Date: Wed, 19 Dec 2018 15:35:17 -0500
Subject: [PATCH] Replace integer check with Number.isInteger

This works correctly for large numbers.

Related to https://github.com/jquense/yup/pull/147
---
 src/number.js  | 12 +++++++-----
 test/number.js |  4 ++--
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/number.js b/src/number.js
index be65452b1..b179e6aa8 100644
--- a/src/number.js
+++ b/src/number.js
@@ -5,8 +5,6 @@ import isAbsent from './util/isAbsent';
 
 let isNaN = value => value != +value;
 
-let isInteger = val => isAbsent(val) || val === (val | 0);
-
 export default function NumberSchema() {
   if (!(this instanceof NumberSchema)) return new NumberSchema();
 
@@ -14,8 +12,8 @@ export default function NumberSchema() {
 
   this.withMutation(() => {
     this.transform(function(value) {
-      let parsed = value
-      
+      let parsed = value;
+
       if (typeof parsed === 'string') {
         parsed = parsed.replace(/\s/g, '');
         if (parsed === '') return NaN;
@@ -94,7 +92,11 @@ inherits(NumberSchema, MixedSchema, {
   },
 
   integer(message = locale.integer) {
-    return this.test({ name: 'integer', message, test: isInteger });
+    return this.test({
+      name: 'integer',
+      message,
+      test: val => isAbsent(val) || Number.isInteger(val),
+    });
   },
 
   truncate() {
diff --git a/test/number.js b/test/number.js
index 4d9144b6e..651873dda 100644
--- a/test/number.js
+++ b/test/number.js
@@ -203,8 +203,8 @@ describe('Number types', function() {
     var schema = number().integer();
 
     TestHelpers.validateAll(schema, {
-      valid: [4, -5222],
-      invalid: [10.53, 0.1 * 0.2, -34512535.626, 3.12312e51, new Date()],
+      valid: [4, -5222, 3.12312e51],
+      invalid: [10.53, 0.1 * 0.2, -34512535.626, new Date()],
     });
 
     it('should return default message', () => {