Merge pull request #396 from btd/master

Fix when you want to document Object.prototype's methods

lib/hierarchy.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
 /**
  * @param {Array<Object>} comments an array of parsed comments
  * @returns {Array<Object>} nested comments, with only root comments
@@ -9,8 +11,8 @@ module.exports = function (comments) {
  var id = 0,
  root = {
  members: {
- instance: {},
- static: {}
+ instance: Object.create(null),
+ static: Object.create(null)
  }
  };
 
@@ -44,12 +46,12 @@ module.exports = function (comments) {
  scope = segment[0],
  name = segment[1];
 
- if (!node.members[scope].hasOwnProperty(name)) {
+ if (!hasOwnProperty.call(node.members[scope], name)) {
  node.members[scope][name] = {
  comments: [],
  members: {
- instance: {},
- static: {}
+ instance: Object.create(null),
+ static: Object.create(null)
  }
  };
  }