var IsPlainObject = function (obj){ 
if (typeof (obj) !== 'object' || obj.nodeType || obj === obj.window) { 
return false ; 
} 
try { 
if (obj.constructor && !({ 
}
).hasOwnProperty.call(obj.constructor.prototype, 'isPrototypeOf')) { 
return false ; 
} 
} 
catch (e) { 
return false ; 
} 
return true ; 
} 
; 
module.exports = IsPlainObject;