From e69a4de1763ed4d8b2d60a84e25098a05c5eecda Mon Sep 17 00:00:00 2001
From: struct78 <david@struct.com.au>
Date: Wed, 2 Aug 2017 14:25:22 +1000
Subject: [PATCH] Added undefined check
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IE11 and below doesn’t support the name property of the constructor
object, so put in a check to avoid exceptions when slice() method is
called.
---
 browser.js | 4 ++--
 index.js   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/browser.js b/browser.js
index b6cf0c4..1b73969 100644
--- a/browser.js
+++ b/browser.js
@@ -30,7 +30,7 @@ module.exports = function kindOf(val) {
 
   // functions
   if (type === 'function' || val instanceof Function) {
-    if (val.constructor.name.slice(0, 9) === 'Generator') {
+    if (typeof val.constructor.name !== 'undefined' && val.constructor.name.slice(0, 9) === 'Generator') {
       return 'generatorfunction';
     }
     return 'function';
@@ -141,4 +141,4 @@ function isBuffer(val) {
 }
 
 },{}]},{},[1])(1)
-});
\ No newline at end of file
+});
diff --git a/index.js b/index.js
index fe69c32..ce2c8b9 100644
--- a/index.js
+++ b/index.js
@@ -29,7 +29,7 @@ module.exports = function kindOf(val) {
 
   // functions
   if (type === 'function' || val instanceof Function) {
-    if (val.constructor.name.slice(0, 9) === 'Generator') {
+    if (typeof val.constructor.name !== 'undefined' && val.constructor.name.slice(0, 9) === 'Generator') {
       return 'generatorfunction';
     }
     return 'function';