From 9457642473d3e282310a829754929463e6998941 Mon Sep 17 00:00:00 2001
From: idrisakmal <idrisakmalhaslin@gmail.com>
Date: Tue, 26 Jun 2018 17:22:50 +0800
Subject: [PATCH 1/3] Created includes function for array to cater older
 browsers

---
 src/lib/isDecimal.js        | 3 ++-
 src/lib/isISO31661Alpha2.js | 5 +++--
 src/lib/isISO31661Alpha3.js | 3 ++-
 src/lib/util/includes.js    | 5 +++++
 4 files changed, 12 insertions(+), 4 deletions(-)
 create mode 100644 src/lib/util/includes.js

diff --git a/src/lib/isDecimal.js b/src/lib/isDecimal.js
index f3f5734c2..488668a52 100644
--- a/src/lib/isDecimal.js
+++ b/src/lib/isDecimal.js
@@ -1,5 +1,6 @@
 import merge from './util/merge';
 import assertString from './util/assertString';
+import includes from './util/includes';
 import { decimal } from './alpha';
 
 function decimalRegExp(options) {
@@ -19,7 +20,7 @@ export default function isDecimal(str, options) {
   assertString(str);
   options = merge(options, default_decimal_options);
   if (options.locale in decimal) {
-    return !blacklist.includes(str.replace(/ /g, '')) && decimalRegExp(options).test(str);
+    return !includes(blacklist, str.replace(/ /g, '')) && decimalRegExp(options).test(str);
   }
   throw new Error(`Invalid locale '${options.locale}'`);
 }
diff --git a/src/lib/isISO31661Alpha2.js b/src/lib/isISO31661Alpha2.js
index af0faf2b6..f43439f00 100644
--- a/src/lib/isISO31661Alpha2.js
+++ b/src/lib/isISO31661Alpha2.js
@@ -1,4 +1,5 @@
 import assertString from './util/assertString';
+import includes from './util/includes';
 
 // from https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
 const validISO31661Alpha2CountriesCodes = [
@@ -31,5 +32,5 @@ const validISO31661Alpha2CountriesCodes = [
 
 export default function isISO31661Alpha2(str) {
   assertString(str);
-  return validISO31661Alpha2CountriesCodes.includes(str.toUpperCase());
-}
+  return includes(validISO31661Alpha2CountriesCodes, str.toUpperCase())
+}
\ No newline at end of file
diff --git a/src/lib/isISO31661Alpha3.js b/src/lib/isISO31661Alpha3.js
index 46aa981ba..00c3dfb14 100644
--- a/src/lib/isISO31661Alpha3.js
+++ b/src/lib/isISO31661Alpha3.js
@@ -1,4 +1,5 @@
 import assertString from './util/assertString';
+import includes from './util/includes';
 
 // from https://en.wikipedia.org/wiki/ISO_3166-1_alpha-3
 const validISO31661Alpha3CountriesCodes = [
@@ -22,5 +23,5 @@ const validISO31661Alpha3CountriesCodes = [
 
 export default function isISO31661Alpha3(str) {
   assertString(str);
-  return validISO31661Alpha3CountriesCodes.includes(str.toUpperCase());
+  return includes(validISO31661Alpha3CountriesCodes, str.toUpperCase());
 }
diff --git a/src/lib/util/includes.js b/src/lib/util/includes.js
new file mode 100644
index 000000000..b7159e8d2
--- /dev/null
+++ b/src/lib/util/includes.js
@@ -0,0 +1,5 @@
+export default (array, ele) => {
+  return array.some(element => {
+    element === ele
+  })
+}
\ No newline at end of file

From ac047562a6a2899fda8aae49f1de9bf14738ba69 Mon Sep 17 00:00:00 2001
From: idrisakmal <idrisakmalhaslin@gmail.com>
Date: Wed, 27 Jun 2018 16:26:10 +0800
Subject: [PATCH 2/3] Fixed stuff using eslint

---
 src/lib/util/includes.js | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/lib/util/includes.js b/src/lib/util/includes.js
index b7159e8d2..70ace8857 100644
--- a/src/lib/util/includes.js
+++ b/src/lib/util/includes.js
@@ -1,5 +1,3 @@
-export default (array, ele) => {
-  return array.some(element => {
-    element === ele
-  })
-}
\ No newline at end of file
+const includes = (arr, val) => arr.some(arrVal => val === arrVal);
+
+export default includes;

From f6306972ae9c5f5515ddfd0ccda64db40fd5002b Mon Sep 17 00:00:00 2001
From: idrisakmal <idrisakmalhaslin@gmail.com>
Date: Wed, 27 Jun 2018 16:33:36 +0800
Subject: [PATCH 3/3] Fixed semicolon issue

---
 src/lib/isISO31661Alpha2.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/isISO31661Alpha2.js b/src/lib/isISO31661Alpha2.js
index f43439f00..ee1c33a40 100644
--- a/src/lib/isISO31661Alpha2.js
+++ b/src/lib/isISO31661Alpha2.js
@@ -32,5 +32,5 @@ const validISO31661Alpha2CountriesCodes = [
 
 export default function isISO31661Alpha2(str) {
   assertString(str);
-  return includes(validISO31661Alpha2CountriesCodes, str.toUpperCase())
-}
\ No newline at end of file
+  return includes(validISO31661Alpha2CountriesCodes, str.toUpperCase());
+}