fix: don't rely on global toString() for checking if object

vkarpov15 · web-flow · commit 6ef70b88929e · 2017-03-11T20:14:10.000-07:00
Re: jsdom/jsdom#1752, Automattic/mongoose#5033
diff --git a/lib/utils.js b/lib/utils.js
@@ -230,7 +230,7 @@ var parseIndexOptions = function(fieldOrSpec) {
 }
 
 var isObject = exports.isObject = function (arg) {
-  return '[object Object]' == toString.call(arg)
+  return '[object Object]' == Object.prototype.toString.call(arg)
 }
 
 var debugOptions = function(debugFields, options) {

Original file line number	Diff line number	Diff line change
`@@ -230,7 +230,7 @@ var parseIndexOptions = function(fieldOrSpec) {`
`230`	`230`	`}`
`231`	`231`
`232`	`232`	`var isObject = exports.isObject = function (arg) {`
`233`		`- return '[object Object]' == toString.call(arg)`
	`233`	`+ return '[object Object]' == Object.prototype.toString.call(arg)`
`234`	`234`	`}`
`235`	`235`
`236`	`236`	`var debugOptions = function(debugFields, options) {`