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Configuration error
Configuration error
; | |
var GetIntrinsic = require('get-intrinsic'); | |
var hasOwn = require('hasown'); | |
var $TypeError = GetIntrinsic('%TypeError%'); | |
module.exports = function IsPropertyDescriptor(ES, Desc) { | |
if (ES.Type(Desc) !== 'Object') { | |
return false; | |
} | |
var allowed = { | |
'[[Configurable]]': true, | |
'[[Enumerable]]': true, | |
'[[Get]]': true, | |
'[[Set]]': true, | |
'[[Value]]': true, | |
'[[Writable]]': true | |
}; | |
for (var key in Desc) { // eslint-disable-line no-restricted-syntax | |
if (hasOwn(Desc, key) && !allowed[key]) { | |
return false; | |
} | |
} | |
if (ES.IsDataDescriptor(Desc) && ES.IsAccessorDescriptor(Desc)) { | |
throw new $TypeError('Property Descriptors may not be both accessor and data descriptors'); | |
} | |
return true; | |
}; | |