7f2dd5260f
- Complete React app with 7 developer tools - JSON Tool with visual structured editor - Serialize Tool with visual structured editor - URL, Base64, CSV/JSON, Beautifier, Diff tools - Responsive navigation with dropdown menu - Dark/light mode toggle - Mobile-responsive design with sticky header - All tools working with copy/paste functionality
19 lines
504 B
JavaScript
19 lines
504 B
JavaScript
'use strict';
|
|
|
|
var GetIntrinsic = require('get-intrinsic');
|
|
|
|
var $preventExtensions = GetIntrinsic('%Object.preventExtensions%', true);
|
|
var $isExtensible = GetIntrinsic('%Object.isExtensible%', true);
|
|
|
|
var isPrimitive = require('../helpers/isPrimitive');
|
|
|
|
// https://262.ecma-international.org/6.0/#sec-isextensible-o
|
|
|
|
module.exports = $preventExtensions
|
|
? function IsExtensible(obj) {
|
|
return !isPrimitive(obj) && $isExtensible(obj);
|
|
}
|
|
: function IsExtensible(obj) {
|
|
return !isPrimitive(obj);
|
|
};
|