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.
46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
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if ($defineProperty) {
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try {
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$defineProperty({}, 'a', { value: 1 });
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} catch (e) {
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// IE 8 has a broken defineProperty
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$defineProperty = null;
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}
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}
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var callBound = require('../helpers/callBound');
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var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
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// eslint-disable-next-line max-params
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module.exports = function DefineOwnProperty(IsDataDescriptor, SameValue, FromPropertyDescriptor, O, P, desc) {
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if (!$defineProperty) {
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if (!IsDataDescriptor(desc)) {
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// ES3 does not support getters/setters
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return false;
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}
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if (!desc['[[Configurable]]'] || !desc['[[Writable]]']) {
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return false;
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}
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// fallback for ES3
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if (P in O && $isEnumerable(O, P) !== !!desc['[[Enumerable]]']) {
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// a non-enumerable existing property
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return false;
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}
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// property does not exist at all, or exists but is enumerable
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var V = desc['[[Value]]'];
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// eslint-disable-next-line no-param-reassign
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O[P] = V; // will use [[Define]]
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return SameValue(O[P], V);
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}
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$defineProperty(O, P, FromPropertyDescriptor(desc));
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return true;
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};
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