1 files changed, 88 insertions, 0 deletions
diff --git a/deps/npm/node_modules/proto-list/proto-list.js b/deps/npm/node_modules/proto-list/proto-list.js
new file mode 100644
index 0000000000..b55c25c052
--- /dev/null
+++ b/deps/npm/node_modules/proto-list/proto-list.js
@@ -0,0 +1,88 @@
+
+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
+  Object.defineProperty(this, 'root', {
+    get: function () { return root },
+    set: function (r) {
+      root = r
+      if (this.list.length) {
+        setProto(this.list[this.list.length - 1], r)
+      }
+    },
+    enumerable: true,
+    configurable: true
+  })
+}
+
+ProtoList.prototype =
+  { get length () { return this.list.length }
+  , get keys () {
+      var k = []
+      for (var i in this.list[0]) k.push(i)
+      return k
+    }
+  , get snapshot () {
+      var o = {}
+      this.keys.forEach(function (k) { o[k] = this.get(k) }, this)
+      return o
+    }
+  , get store () {
+      return this.list[0]
+    }
+  , push : function (obj) {
+      if (typeof obj !== "object") obj = {valueOf:obj}
+      if (this.list.length >= 1) {
+        setProto(this.list[this.list.length - 1], obj)
+      }
+      setProto(obj, this.root)
+      return this.list.push(obj)
+    }
+  , pop : function () {
+      if (this.list.length >= 2) {
+        setProto(this.list[this.list.length - 2], this.root)
+      }
+      return this.list.pop()
+    }
+  , unshift : function (obj) {
+      setProto(obj, this.list[0] || this.root)
+      return this.list.unshift(obj)
+    }
+  , shift : function () {
+      if (this.list.length === 1) {
+        setProto(this.list[0], this.root)
+      }
+      return this.list.shift()
+    }
+  , get : function (key) {
+      return this.list[0][key]
+    }
+  , set : function (key, val, save) {
+      if (!this.length) this.push({})
+      if (save && this.list[0].hasOwnProperty(key)) this.push({})
+      return this.list[0][key] = val
+    }
+  , forEach : function (fn, thisp) {
+      for (var key in this.list[0]) fn.call(thisp, key, this.list[0][key])
+    }
+  , slice : function () {
+      return this.list.slice.apply(this.list, arguments)
+    }
+  , splice : function () {
+      // handle injections
+      var ret = this.list.splice.apply(this.list, arguments)
+      for (var i = 0, l = this.list.length; i < l; i++) {
+        setProto(this.list[i], this.list[i + 1] || this.root)
+      }
+      return ret
+    }
+  }