Save current BZZZ config-ui state before CHORUS branding update
🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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159
install/config-ui/node_modules/es-abstract/2019/ValidateAndApplyPropertyDescriptor.js
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159
install/config-ui/node_modules/es-abstract/2019/ValidateAndApplyPropertyDescriptor.js
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'use strict';
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var $TypeError = require('es-errors/type');
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var isObject = require('es-object-atoms/isObject');
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var DefineOwnProperty = require('../helpers/DefineOwnProperty');
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var isPropertyDescriptor = require('../helpers/records/property-descriptor');
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var isSamePropertyDescriptor = require('../helpers/isSamePropertyDescriptor');
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var FromPropertyDescriptor = require('./FromPropertyDescriptor');
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var IsAccessorDescriptor = require('./IsAccessorDescriptor');
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var IsDataDescriptor = require('./IsDataDescriptor');
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var IsGenericDescriptor = require('./IsGenericDescriptor');
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var isPropertyKey = require('../helpers/isPropertyKey');
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var SameValue = require('./SameValue');
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// https://262.ecma-international.org/6.0/#sec-validateandapplypropertydescriptor
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// https://262.ecma-international.org/8.0/#sec-validateandapplypropertydescriptor
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// eslint-disable-next-line max-lines-per-function, max-statements
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module.exports = function ValidateAndApplyPropertyDescriptor(O, P, extensible, Desc, current) {
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// this uses the ES2017+ logic, since it fixes a number of bugs in the ES2015 logic.
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if (typeof O !== 'undefined' && !isObject(O)) {
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throw new $TypeError('Assertion failed: O must be undefined or an Object');
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}
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if (typeof extensible !== 'boolean') {
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throw new $TypeError('Assertion failed: extensible must be a Boolean');
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}
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if (!isPropertyDescriptor(Desc)) {
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throw new $TypeError('Assertion failed: Desc must be a Property Descriptor');
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}
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if (typeof current !== 'undefined' && !isPropertyDescriptor(current)) {
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throw new $TypeError('Assertion failed: current must be a Property Descriptor, or undefined');
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}
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if (typeof O !== 'undefined' && !isPropertyKey(P)) {
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throw new $TypeError('Assertion failed: if O is not undefined, P must be a Property Key');
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}
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if (typeof current === 'undefined') {
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if (!extensible) {
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return false;
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}
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if (IsGenericDescriptor(Desc) || IsDataDescriptor(Desc)) {
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if (typeof O !== 'undefined') {
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DefineOwnProperty(
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IsDataDescriptor,
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SameValue,
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FromPropertyDescriptor,
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O,
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P,
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{
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'[[Configurable]]': Desc['[[Configurable]]'],
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'[[Enumerable]]': Desc['[[Enumerable]]'],
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'[[Value]]': Desc['[[Value]]'],
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'[[Writable]]': Desc['[[Writable]]']
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}
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);
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}
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} else {
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if (!IsAccessorDescriptor(Desc)) {
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throw new $TypeError('Assertion failed: Desc is not an accessor descriptor');
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}
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if (typeof O !== 'undefined') {
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return DefineOwnProperty(
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IsDataDescriptor,
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SameValue,
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FromPropertyDescriptor,
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O,
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P,
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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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if (IsGenericDescriptor(Desc) && !('[[Configurable]]' in Desc) && !('[[Enumerable]]' in Desc)) {
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return true;
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}
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if (isSamePropertyDescriptor({ SameValue: SameValue }, Desc, current)) {
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return true; // removed by ES2017, but should still be correct
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}
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// "if every field in Desc is absent, return true" can't really match the assertion that it's a Property Descriptor
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if (!current['[[Configurable]]']) {
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if (Desc['[[Configurable]]']) {
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return false;
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}
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if ('[[Enumerable]]' in Desc && !Desc['[[Enumerable]]'] === !!current['[[Enumerable]]']) {
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return false;
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}
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}
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if (IsGenericDescriptor(Desc)) {
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// no further validation is required.
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} else if (IsDataDescriptor(current) !== IsDataDescriptor(Desc)) {
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if (!current['[[Configurable]]']) {
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return false;
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}
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if (IsDataDescriptor(current)) {
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if (typeof O !== 'undefined') {
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DefineOwnProperty(
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IsDataDescriptor,
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SameValue,
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FromPropertyDescriptor,
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O,
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P,
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{
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'[[Configurable]]': current['[[Configurable]]'],
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'[[Enumerable]]': current['[[Enumerable]]'],
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'[[Get]]': undefined
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}
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);
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}
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} else if (typeof O !== 'undefined') {
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DefineOwnProperty(
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IsDataDescriptor,
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SameValue,
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FromPropertyDescriptor,
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O,
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P,
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{
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'[[Configurable]]': current['[[Configurable]]'],
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'[[Enumerable]]': current['[[Enumerable]]'],
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'[[Value]]': undefined
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}
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);
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}
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} else if (IsDataDescriptor(current) && IsDataDescriptor(Desc)) {
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if (!current['[[Configurable]]'] && !current['[[Writable]]']) {
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if ('[[Writable]]' in Desc && Desc['[[Writable]]']) {
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return false;
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}
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if ('[[Value]]' in Desc && !SameValue(Desc['[[Value]]'], current['[[Value]]'])) {
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return false;
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}
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return true;
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}
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} else if (IsAccessorDescriptor(current) && IsAccessorDescriptor(Desc)) {
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if (!current['[[Configurable]]']) {
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if ('[[Set]]' in Desc && !SameValue(Desc['[[Set]]'], current['[[Set]]'])) {
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return false;
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}
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if ('[[Get]]' in Desc && !SameValue(Desc['[[Get]]'], current['[[Get]]'])) {
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return false;
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}
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return true;
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}
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} else {
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throw new $TypeError('Assertion failed: current and Desc are not both data, both accessors, or one accessor and one data.');
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}
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if (typeof O !== 'undefined') {
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return DefineOwnProperty(
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IsDataDescriptor,
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SameValue,
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FromPropertyDescriptor,
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O,
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P,
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Desc
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);
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}
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return true;
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};
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