bdde081050
Added test to ensure that release notes are parsed properly Updated to latest dependencies to fix security vulnerability Updated GH Actions Workflow to run test before updating tag Updated README.md to reflect proper whatsnew documentation.
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $gOPD = require('../helpers/getOwnPropertyDescriptor');
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var $gOPN = GetIntrinsic('%Object.getOwnPropertyNames%');
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var $TypeError = GetIntrinsic('%TypeError%');
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var every = require('../helpers/every');
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var IsDataDescriptor = require('./IsDataDescriptor');
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var IsExtensible = require('./IsExtensible');
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var ToPropertyDescriptor = require('./ToPropertyDescriptor');
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var Type = require('./Type');
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// https://www.ecma-international.org/ecma-262/6.0/#sec-testintegritylevel
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module.exports = function TestIntegrityLevel(O, level) {
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if (Type(O) !== 'Object') {
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throw new $TypeError('Assertion failed: Type(O) is not Object');
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}
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if (level !== 'sealed' && level !== 'frozen') {
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throw new $TypeError('Assertion failed: `level` must be `"sealed"` or `"frozen"`');
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}
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var status = IsExtensible(O);
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if (status) {
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return false;
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}
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var theKeys = $gOPN(O);
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return theKeys.length === 0 || every(theKeys, function (k) {
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var currentDesc = $gOPD(O, k);
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if (typeof currentDesc !== 'undefined') {
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if (currentDesc.configurable) {
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return false;
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}
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if (level === 'frozen' && IsDataDescriptor(ToPropertyDescriptor(currentDesc)) && currentDesc.writable) {
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return false;
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}
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}
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return true;
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});
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};
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