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Configuration error
Configuration error
| ; | |
| 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; | |
| }; | |