1 files changed, 14 insertions, 7 deletions
diff --git a/deps/npm/node_modules/npmconf/node_modules/config-chain/node_modules/proto-list/proto-list.js b/deps/npm/node_modules/npmconf/node_modules/config-chain/node_modules/proto-list/proto-list.js
index 67d250387c..b55c25c052 100644
--- a/deps/npm/node_modules/npmconf/node_modules/config-chain/node_modules/proto-list/proto-list.js
+++ b/deps/npm/node_modules/npmconf/node_modules/config-chain/node_modules/proto-list/proto-list.js
@@ -1,6 +1,13 @@
 
 module.exports = ProtoList
 
+function setProto(obj, proto) {
+  if (typeof Object.setPrototypeOf === "function")
+    return Object.setPrototypeOf(obj, proto)
+  else
+    obj.__proto__ = proto
+}
+
 function ProtoList () {
   this.list = []
   var root = null
@@ -9,7 +16,7 @@ function ProtoList () {
     set: function (r) {
       root = r
       if (this.list.length) {
-        this.list[this.list.length - 1].__proto__ = r
+        setProto(this.list[this.list.length - 1], r)
       }
     },
     enumerable: true,
@@ -35,24 +42,24 @@ ProtoList.prototype =
   , push : function (obj) {
       if (typeof obj !== "object") obj = {valueOf:obj}
       if (this.list.length >= 1) {
-        this.list[this.list.length - 1].__proto__ = obj
+        setProto(this.list[this.list.length - 1], obj)
       }
-      obj.__proto__ = this.root
+      setProto(obj, this.root)
       return this.list.push(obj)
     }
   , pop : function () {
       if (this.list.length >= 2) {
-        this.list[this.list.length - 2].__proto__ = this.root
+        setProto(this.list[this.list.length - 2], this.root)
       }
       return this.list.pop()
     }
   , unshift : function (obj) {
-      obj.__proto__ = this.list[0] || this.root
+      setProto(obj, this.list[0] || this.root)
       return this.list.unshift(obj)
     }
   , shift : function () {
       if (this.list.length === 1) {
-        this.list[0].__proto__ = this.root
+        setProto(this.list[0], this.root)
       }
       return this.list.shift()
     }
@@ -74,7 +81,7 @@ ProtoList.prototype =
       // handle injections
       var ret = this.list.splice.apply(this.list, arguments)
       for (var i = 0, l = this.list.length; i < l; i++) {
-        this.list[i].__proto__ = this.list[i + 1] || this.root
+        setProto(this.list[i], this.list[i + 1] || this.root)
       }
       return ret
     }