drop dependencies

Author: 43081j

index.js

@@ -1,9 +1,14 @@
-var isBuffer = require('is-buffer')
-
 module.exports = flatten
 flatten.flatten = flatten
 flatten.unflatten = unflatten
 
+function isBuffer (obj) {
+  return obj &&
+    obj.constructor &&
+    (typeof obj.constructor.isBuffer === 'function') &&
+    obj.constructor.isBuffer(obj);
+}
+
 function keyIdentity (key) {
   return key
 }

package-lock.json

@@ -15,9 +15,7 @@
   "directories": {
     "test": "test"
   },
-  "dependencies": {
-    "is-buffer": "~2.0.4"
-  },
+  "dependencies": {},
   "repository": {
     "type": "git",
     "url": "git://github.com/hughsk/flat.git"