blob: 0f8b95f410bedb30491b006801b547c8178073ce [file] [log] [blame]
var $ = require('../internals/export');
var fails = require('../internals/fails');
var isObject = require('../internals/is-object');
var nativeIsSealed = Object.isSealed;
var FAILS_ON_PRIMITIVES = fails(function () { nativeIsSealed(1); });
// `Object.isSealed` method
// https://tc39.github.io/ecma262/#sec-object.issealed
$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
isSealed: function isSealed(it) {
return isObject(it) ? nativeIsSealed ? nativeIsSealed(it) : false : true;
}
});