From 06533df372b1f094dc7df41598c3ab2ab4be60b1 Mon Sep 17 00:00:00 2001
From: Alanscut <wp_scut@163.com>
Date: Wed, 27 Nov 2019 14:31:10 +0800
Subject: [PATCH 1/3] Remove 'includes' API, fix CI build failure

---
 lib/utils.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/utils.js b/lib/utils.js
index c985b0a954..c01e605949 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -26,7 +26,8 @@ function isArray(val) {
  * @returns {boolean} True if value is a Buffer, otherwise false
  */
 function isBuffer(val) {
-  return ![undefined, null].includes(val) && val.constructor === Buffer;
+  if (val === null || val === void 0 || val.constructor === null || val.constructor === void 0 )  return false;
+  return typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
 }
 
 /**

From 33c8895e038ce1c9632bfbb05a7b80a06b730f74 Mon Sep 17 00:00:00 2001
From: Alanscut <wp_scut@163.com>
Date: Fri, 6 Dec 2019 09:45:54 +0800
Subject: [PATCH 2/3] request change

---
 lib/utils.js | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/lib/utils.js b/lib/utils.js
index c01e605949..42e2dfde72 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -18,6 +18,15 @@ function isArray(val) {
   return toString.call(val) === '[object Array]';
 }
 
+/**
+ * Determine if a value is undefined
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if the value is undefined, otherwise false
+ */
+function isUndefined(val) {
+  return typeof val === 'undefined';
+}
 
 /**
  * Determine if a value is a Buffer
@@ -26,7 +35,7 @@ function isArray(val) {
  * @returns {boolean} True if value is a Buffer, otherwise false
  */
 function isBuffer(val) {
-  if (val === null || val === void 0 || val.constructor === null || val.constructor === void 0 )  return false;
+  if (val === null || isUndefined(val) || val.constructor === null ||  isUndefined(val.constructor))  return false;
   return typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
 }
 
@@ -86,16 +95,6 @@ function isNumber(val) {
   return typeof val === 'number';
 }
 
-/**
- * Determine if a value is undefined
- *
- * @param {Object} val The value to test
- * @returns {boolean} True if the value is undefined, otherwise false
- */
-function isUndefined(val) {
-  return typeof val === 'undefined';
-}
-
 /**
  * Determine if a value is an Object
  *

From ba16c9ac25c22178e1058fb133227dc7a22503dd Mon Sep 17 00:00:00 2001
From: Alanscut <wp_scut@163.com>
Date: Fri, 6 Dec 2019 17:46:18 +0800
Subject: [PATCH 3/3] request changes

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

diff --git a/lib/utils.js b/lib/utils.js
index 42e2dfde72..e028c6763e 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -35,8 +35,8 @@ function isUndefined(val) {
  * @returns {boolean} True if value is a Buffer, otherwise false
  */
 function isBuffer(val) {
-  if (val === null || isUndefined(val) || val.constructor === null ||  isUndefined(val.constructor))  return false;
-  return typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
+  return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor)
+    && typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
 }
 
 /**