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.
58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $SyntaxError = GetIntrinsic('%SyntaxError%');
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var $TypeError = GetIntrinsic('%TypeError%');
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var $preventExtensions = GetIntrinsic('%Object.preventExtensions%');
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var $gOPD = require('../helpers/getOwnPropertyDescriptor');
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var $gOPN = GetIntrinsic('%Object.getOwnPropertyNames%');
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var forEach = require('../helpers/forEach');
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var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
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var IsAccessorDescriptor = require('./IsAccessorDescriptor');
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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-setintegritylevel
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module.exports = function SetIntegrityLevel(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 $TypeError('Assertion failed: `level` must be `"sealed"` or `"frozen"`');
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}
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if (!$preventExtensions) {
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throw new $SyntaxError('SetIntegrityLevel requires native `Object.preventExtensions` support');
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}
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var status = $preventExtensions(O);
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if (!status) {
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return false;
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}
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if (!$gOPN) {
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throw new $SyntaxError('SetIntegrityLevel requires native `Object.getOwnPropertyNames` support');
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}
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var theKeys = $gOPN(O);
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if (level === 'sealed') {
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forEach(theKeys, function (k) {
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DefinePropertyOrThrow(O, k, { configurable: false });
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});
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} else if (level === 'frozen') {
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forEach(theKeys, function (k) {
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var currentDesc = $gOPD(O, k);
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if (typeof currentDesc !== 'undefined') {
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var desc;
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if (IsAccessorDescriptor(ToPropertyDescriptor(currentDesc))) {
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desc = { configurable: false };
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} else {
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desc = { configurable: false, writable: false };
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}
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DefinePropertyOrThrow(O, k, desc);
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}
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});
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}
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return true;
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};
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