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- 'use strict';
- var hasOwn = require('hasown');
- var GetIntrinsic = require('get-intrinsic');
- var $TypeError = GetIntrinsic('%TypeError%');
- var Type = require('./Type');
- var ToBoolean = require('./ToBoolean');
- var IsCallable = require('./IsCallable');
- // https://262.ecma-international.org/5.1/#sec-8.10.5
- module.exports = function ToPropertyDescriptor(Obj) {
- if (Type(Obj) !== 'Object') {
- throw new $TypeError('ToPropertyDescriptor requires an object');
- }
- var desc = {};
- if (hasOwn(Obj, 'enumerable')) {
- desc['[[Enumerable]]'] = ToBoolean(Obj.enumerable);
- }
- if (hasOwn(Obj, 'configurable')) {
- desc['[[Configurable]]'] = ToBoolean(Obj.configurable);
- }
- if (hasOwn(Obj, 'value')) {
- desc['[[Value]]'] = Obj.value;
- }
- if (hasOwn(Obj, 'writable')) {
- desc['[[Writable]]'] = ToBoolean(Obj.writable);
- }
- if (hasOwn(Obj, 'get')) {
- var getter = Obj.get;
- if (typeof getter !== 'undefined' && !IsCallable(getter)) {
- throw new $TypeError('getter must be a function');
- }
- desc['[[Get]]'] = getter;
- }
- if (hasOwn(Obj, 'set')) {
- var setter = Obj.set;
- if (typeof setter !== 'undefined' && !IsCallable(setter)) {
- throw new $TypeError('setter must be a function');
- }
- desc['[[Set]]'] = setter;
- }
- if ((hasOwn(desc, '[[Get]]') || hasOwn(desc, '[[Set]]')) && (hasOwn(desc, '[[Value]]') || hasOwn(desc, '[[Writable]]'))) {
- throw new $TypeError('Invalid property descriptor. Cannot both specify accessors and a value or writable attribute');
- }
- return desc;
- };
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