Gecko [ c.stage.kornherr.net ]

Name	Size	Permission	Date
BigInt	[ DIR ]	drwxr-xr-x	2023-12-23 20:12
Number	[ DIR ]	drwxr-xr-x	2023-12-23 20:12
AddEntriesFromIterable.js	1.48 KB	-rw-r--r--	2022-12-05 08:07
AddToKeptObjects.js	645 B	-rw-r--r--	2022-12-05 08:07
AdvanceStringIndex.js	1010 B	-rw-r--r--	2022-12-05 08:07
ApplyStringOrNumericBinaryOperator.js	3.11 KB	-rw-r--r--	2022-12-05 08:07
ArrayCreate.js	1.63 KB	-rw-r--r--	2022-12-05 08:07
ArraySetLength.js	2.6 KB	-rw-r--r--	2022-12-05 08:07
ArraySpeciesCreate.js	1.34 KB	-rw-r--r--	2022-12-05 08:07
BigIntBitwiseOp.js	1.69 KB	-rw-r--r--	2022-12-05 08:07
BinaryAnd.js	364 B	-rw-r--r--	2022-12-05 08:07
BinaryOr.js	362 B	-rw-r--r--	2022-12-05 08:07
BinaryXor.js	364 B	-rw-r--r--	2022-12-05 08:07
ByteListBitwiseOp.js	1.29 KB	-rw-r--r--	2022-12-05 08:07
ByteListEqual.js	913 B	-rw-r--r--	2022-12-05 08:07
Call.js	623 B	-rw-r--r--	2022-12-05 08:07
CanonicalNumericIndexString.js	654 B	-rw-r--r--	2022-12-05 08:07
CharacterRange.js	782 B	-rw-r--r--	2022-12-05 08:07
ClearKeptObjects.js	302 B	-rw-r--r--	2022-12-05 08:07
CodePointAt.js	1.7 KB	-rw-r--r--	2022-12-05 08:07
CodePointsToString.js	788 B	-rw-r--r--	2022-12-05 08:07
CompletePropertyDescriptor.js	989 B	-rw-r--r--	2022-12-05 08:07
CopyDataProperties.js	2.01 KB	-rw-r--r--	2022-12-05 08:07
CreateDataProperty.js	1.25 KB	-rw-r--r--	2022-12-05 08:07
CreateDataPropertyOrThrow.js	734 B	-rw-r--r--	2022-12-05 08:07
CreateHTML.js	927 B	-rw-r--r--	2022-12-05 08:07
CreateIterResultObject.js	432 B	-rw-r--r--	2022-12-05 08:07
CreateListFromArrayLike.js	1.33 KB	-rw-r--r--	2022-12-05 08:07
CreateMethodProperty.js	979 B	-rw-r--r--	2022-12-05 08:07
CreateNonEnumerableDataPropertyOrThrow.js	785 B	-rw-r--r--	2022-12-05 08:07
CreateRegExpStringIterator.js	3.62 KB	-rw-r--r--	2022-12-05 08:07
DateFromTime.js	1.01 KB	-rw-r--r--	2022-12-05 08:07
DateString.js	1.03 KB	-rw-r--r--	2022-12-05 08:07
Day.js	234 B	-rw-r--r--	2022-12-05 08:07
DayFromYear.js	256 B	-rw-r--r--	2022-12-05 08:07
DayWithinYear.js	286 B	-rw-r--r--	2022-12-05 08:07
DaysInYear.js	301 B	-rw-r--r--	2022-12-05 08:07
DefinePropertyOrThrow.js	1.43 KB	-rw-r--r--	2022-12-05 08:07
DeletePropertyOrThrow.js	699 B	-rw-r--r--	2022-12-05 08:07
EnumerableOwnPropertyNames.js	1.09 KB	-rw-r--r--	2022-12-05 08:07
FlattenIntoArray.js	1.71 KB	-rw-r--r--	2022-12-05 08:07
FromPropertyDescriptor.js	450 B	-rw-r--r--	2022-12-05 08:07
Get.js	602 B	-rw-r--r--	2022-12-05 08:07
GetIterator.js	1.68 KB	-rw-r--r--	2022-12-05 08:07
GetMatchIndexPair.js	855 B	-rw-r--r--	2022-12-05 08:07
GetMatchString.js	901 B	-rw-r--r--	2022-12-05 08:07
GetMethod.js	663 B	-rw-r--r--	2022-12-05 08:07
GetOwnPropertyKeys.js	829 B	-rw-r--r--	2022-12-05 08:07
GetPromiseResolve.js	692 B	-rw-r--r--	2022-12-05 08:07
GetPrototypeFromConstructor.js	921 B	-rw-r--r--	2022-12-05 08:07
GetStringIndex.js	858 B	-rw-r--r--	2022-12-05 08:07
GetSubstitution.js	4.35 KB	-rw-r--r--	2022-12-05 08:07
GetV.js	474 B	-rw-r--r--	2022-12-05 08:07
HasOwnProperty.js	553 B	-rw-r--r--	2022-12-05 08:07
HasProperty.js	517 B	-rw-r--r--	2022-12-05 08:07
HourFromTime.js	382 B	-rw-r--r--	2022-12-05 08:07
InLeapYear.js	510 B	-rw-r--r--	2022-12-05 08:07
InstallErrorCause.js	706 B	-rw-r--r--	2022-12-05 08:07
InstanceofOperator.js	918 B	-rw-r--r--	2022-12-05 08:07
Invoke.js	715 B	-rw-r--r--	2022-12-05 08:07
IsAccessorDescriptor.js	465 B	-rw-r--r--	2022-12-05 08:07
IsArray.js	123 B	-rw-r--r--	2022-12-05 08:07
IsBigIntElementType.js	194 B	-rw-r--r--	2022-12-05 08:07
IsCallable.js	108 B	-rw-r--r--	2022-12-05 08:07
IsCompatiblePropertyDescriptor.js	361 B	-rw-r--r--	2022-12-05 08:07
IsConcatSpreadable.js	626 B	-rw-r--r--	2022-12-05 08:07
IsConstructor.js	1.12 KB	-rw-r--r--	2022-12-05 08:07
IsDataDescriptor.js	464 B	-rw-r--r--	2022-12-05 08:07
IsExtensible.js	509 B	-rw-r--r--	2022-12-05 08:07
IsGenericDescriptor.js	560 B	-rw-r--r--	2022-12-05 08:07
IsIntegralNumber.js	473 B	-rw-r--r--	2022-12-05 08:07
IsLessThan.js	2.49 KB	-rw-r--r--	2022-12-05 08:07
IsLooselyEqual.js	1.69 KB	-rw-r--r--	2022-12-05 08:07
IsNoTearConfiguration.js	467 B	-rw-r--r--	2022-12-05 08:07
IsPromise.js	485 B	-rw-r--r--	2022-12-05 08:07
IsPropertyKey.js	207 B	-rw-r--r--	2022-12-05 08:07
IsRegExp.js	545 B	-rw-r--r--	2022-12-05 08:07
IsSharedArrayBuffer.js	461 B	-rw-r--r--	2022-12-05 08:07
IsStrictlyEqual.js	557 B	-rw-r--r--	2022-12-05 08:07
IsStringPrefix.js	539 B	-rw-r--r--	2022-12-05 08:07
IsStringWellFormedUnicode.js	716 B	-rw-r--r--	2022-12-05 08:07
IsUnclampedIntegerElementType.js	298 B	-rw-r--r--	2022-12-05 08:07
IsUnsignedElementType.js	266 B	-rw-r--r--	2022-12-05 08:07
IterableToList.js	721 B	-rw-r--r--	2022-12-05 08:07
IteratorClose.js	1.45 KB	-rw-r--r--	2022-12-05 08:07
IteratorComplete.js	498 B	-rw-r--r--	2022-12-05 08:07
IteratorNext.js	493 B	-rw-r--r--	2022-12-05 08:07
IteratorStep.js	353 B	-rw-r--r--	2022-12-05 08:07
IteratorValue.js	443 B	-rw-r--r--	2022-12-05 08:07
LengthOfArrayLike.js	495 B	-rw-r--r--	2022-12-05 08:07
MakeDate.js	328 B	-rw-r--r--	2022-12-05 08:07
MakeDay.js	1012 B	-rw-r--r--	2022-12-05 08:07
MakeMatchIndicesIndexPairArray.js	2.69 KB	-rw-r--r--	2022-12-05 08:07
MakeTime.js	763 B	-rw-r--r--	2022-12-05 08:07
MinFromTime.js	396 B	-rw-r--r--	2022-12-05 08:07
MonthFromTime.js	1014 B	-rw-r--r--	2022-12-05 08:07
NumberBitwiseOp.js	757 B	-rw-r--r--	2022-12-05 08:07
NumberToBigInt.js	690 B	-rw-r--r--	2022-12-05 08:07
ObjectDefineProperties.js	1.47 KB	-rw-r--r--	2022-12-05 08:07
OrdinaryCreateFromConstructor.js	827 B	-rw-r--r--	2022-12-05 08:07
OrdinaryDefineOwnProperty.js	2.33 KB	-rw-r--r--	2022-12-05 08:07
OrdinaryGetOwnProperty.js	1.23 KB	-rw-r--r--	2022-12-05 08:07
OrdinaryGetPrototypeOf.js	539 B	-rw-r--r--	2022-12-05 08:07
OrdinaryHasInstance.js	627 B	-rw-r--r--	2022-12-05 08:07
OrdinaryHasProperty.js	531 B	-rw-r--r--	2022-12-05 08:07
OrdinaryObjectCreate.js	1.41 KB	-rw-r--r--	2022-12-05 08:07
OrdinarySetPrototypeOf.js	1.03 KB	-rw-r--r--	2022-12-05 08:07
OrdinaryToPrimitive.js	1.04 KB	-rw-r--r--	2022-12-05 08:07
PromiseResolve.js	457 B	-rw-r--r--	2022-12-05 08:07
QuoteJSONString.js	1.39 KB	-rw-r--r--	2022-12-05 08:07
RegExpCreate.js	643 B	-rw-r--r--	2022-12-05 08:07
RegExpExec.js	887 B	-rw-r--r--	2022-12-05 08:07
RegExpHasFlag.js	1.08 KB	-rw-r--r--	2022-12-05 08:07
RequireObjectCoercible.js	70 B	-rw-r--r--	2022-12-05 08:07
SameValue.js	307 B	-rw-r--r--	2022-12-05 08:07
SameValueNonNumeric.js	635 B	-rw-r--r--	2022-12-05 08:07
SameValueZero.js	223 B	-rw-r--r--	2022-12-05 08:07
SecFromTime.js	402 B	-rw-r--r--	2022-12-05 08:07
Set.js	1.23 KB	-rw-r--r--	2022-12-05 08:07
SetFunctionLength.js	1.08 KB	-rw-r--r--	2022-12-05 08:07
SetFunctionName.js	1.35 KB	-rw-r--r--	2022-12-05 08:07
SetIntegrityLevel.js	1.82 KB	-rw-r--r--	2022-12-05 08:07
SortIndexedProperties.js	1.65 KB	-rw-r--r--	2022-12-05 08:07
SpeciesConstructor.js	844 B	-rw-r--r--	2022-12-05 08:07
StringCreate.js	1.09 KB	-rw-r--r--	2022-12-05 08:07
StringGetOwnProperty.js	1.38 KB	-rw-r--r--	2022-12-05 08:07
StringIndexOf.js	1.09 KB	-rw-r--r--	2022-12-05 08:07
StringPad.js	1.23 KB	-rw-r--r--	2022-12-05 08:07
StringToBigInt.js	581 B	-rw-r--r--	2022-12-05 08:07
StringToCodePoints.js	760 B	-rw-r--r--	2022-12-05 08:07
StringToNumber.js	1.82 KB	-rw-r--r--	2022-12-05 08:07
SymbolDescriptiveString.js	526 B	-rw-r--r--	2022-12-05 08:07
TestIntegrityLevel.js	1.25 KB	-rw-r--r--	2022-12-05 08:07
TimeClip.js	468 B	-rw-r--r--	2022-12-05 08:07
TimeFromYear.js	261 B	-rw-r--r--	2022-12-05 08:07
TimeString.js	808 B	-rw-r--r--	2022-12-05 08:07
TimeWithinDay.js	247 B	-rw-r--r--	2022-12-05 08:07
ToBigInt.js	631 B	-rw-r--r--	2022-12-05 08:07
ToBigInt64.js	948 B	-rw-r--r--	2022-12-05 08:07
ToBigUint64.js	703 B	-rw-r--r--	2022-12-05 08:07
ToBoolean.js	130 B	-rw-r--r--	2022-12-05 08:07
ToDateString.js	498 B	-rw-r--r--	2022-12-05 08:07
ToIndex.js	695 B	-rw-r--r--	2022-12-05 08:07
ToInt16.js	260 B	-rw-r--r--	2022-12-05 08:07
ToInt32.js	173 B	-rw-r--r--	2022-12-05 08:07
ToInt8.js	247 B	-rw-r--r--	2022-12-05 08:07
ToIntegerOrInfinity.js	600 B	-rw-r--r--	2022-12-05 08:07
ToLength.js	362 B	-rw-r--r--	2022-12-05 08:07
ToNumber.js	809 B	-rw-r--r--	2022-12-05 08:07
ToNumeric.js	550 B	-rw-r--r--	2022-12-05 08:07
ToObject.js	334 B	-rw-r--r--	2022-12-05 08:07
ToPrimitive.js	287 B	-rw-r--r--	2022-12-05 08:07
ToPropertyDescriptor.js	1.42 KB	-rw-r--r--	2022-12-05 08:07
ToPropertyKey.js	405 B	-rw-r--r--	2022-12-05 08:07
ToString.js	396 B	-rw-r--r--	2022-12-05 08:07
ToUint16.js	564 B	-rw-r--r--	2022-12-05 08:07
ToUint32.js	175 B	-rw-r--r--	2022-12-05 08:07
ToUint8.js	578 B	-rw-r--r--	2022-12-05 08:07
ToUint8Clamp.js	522 B	-rw-r--r--	2022-12-05 08:07
ToZeroPaddedDecimalString.js	586 B	-rw-r--r--	2022-12-05 08:07
TrimString.js	804 B	-rw-r--r--	2022-12-05 08:07
Type.js	297 B	-rw-r--r--	2022-12-05 08:07
UTF16EncodeCodePoint.js	713 B	-rw-r--r--	2022-12-05 08:07
UTF16SurrogatePairToCodePoint.js	770 B	-rw-r--r--	2022-12-05 08:07
UnicodeEscape.js	839 B	-rw-r--r--	2022-12-05 08:07
ValidateAndApplyPropertyDescriptor.js	5.82 KB	-rw-r--r--	2022-12-05 08:07
WeakRefDeref.js	625 B	-rw-r--r--	2022-12-05 08:07
WeekDay.js	208 B	-rw-r--r--	2022-12-05 08:07
YearFromTime.js	407 B	-rw-r--r--	2022-12-05 08:07
abs.js	207 B	-rw-r--r--	2022-12-05 08:07
clamp.js	576 B	-rw-r--r--	2022-12-05 08:07
floor.js	217 B	-rw-r--r--	2022-12-05 08:07
modulo.js	168 B	-rw-r--r--	2022-12-05 08:07
msFromTime.js	253 B	-rw-r--r--	2022-12-05 08:07
substring.js	740 B	-rw-r--r--	2022-12-05 08:07
thisBigIntValue.js	551 B	-rw-r--r--	2022-12-05 08:07
thisBooleanValue.js	367 B	-rw-r--r--	2022-12-05 08:07
thisNumberValue.js	390 B	-rw-r--r--	2022-12-05 08:07
thisStringValue.js	361 B	-rw-r--r--	2022-12-05 08:07
thisSymbolValue.js	514 B	-rw-r--r--	2022-12-05 08:07
thisTimeValue.js	66 B	-rw-r--r--	2022-12-05 08:07

Rename

'use strict';

var GetIntrinsic = require('get-intrinsic');

var $TypeError = GetIntrinsic('%TypeError%');

var DefineOwnProperty = require('../helpers/DefineOwnProperty');
var isFullyPopulatedPropertyDescriptor = require('../helpers/isFullyPopulatedPropertyDescriptor');
var isPropertyDescriptor = require('../helpers/isPropertyDescriptor');

var FromPropertyDescriptor = require('./FromPropertyDescriptor');
var IsAccessorDescriptor = require('./IsAccessorDescriptor');
var IsDataDescriptor = require('./IsDataDescriptor');
var IsGenericDescriptor = require('./IsGenericDescriptor');
var IsPropertyKey = require('./IsPropertyKey');
var SameValue = require('./SameValue');
var Type = require('./Type');

// https://262.ecma-international.org/13.0/#sec-validateandapplypropertydescriptor

// see https://github.com/tc39/ecma262/pull/2468 for ES2022 changes

// eslint-disable-next-line max-lines-per-function, max-statements, max-params
module.exports = function ValidateAndApplyPropertyDescriptor(O, P, extensible, Desc, current) {
	var oType = Type(O);
	if (oType !== 'Undefined' && oType !== 'Object') {
		throw new $TypeError('Assertion failed: O must be undefined or an Object');
	}
	if (!IsPropertyKey(P)) {
		throw new $TypeError('Assertion failed: P must be a Property Key');
	}
	if (Type(extensible) !== 'Boolean') {
		throw new $TypeError('Assertion failed: extensible must be a Boolean');
	}
	if (!isPropertyDescriptor({
		Type: Type,
		IsDataDescriptor: IsDataDescriptor,
		IsAccessorDescriptor: IsAccessorDescriptor
	}, Desc)) {
		throw new $TypeError('Assertion failed: Desc must be a Property Descriptor');
	}
	if (Type(current) !== 'Undefined' && !isPropertyDescriptor({
		Type: Type,
		IsDataDescriptor: IsDataDescriptor,
		IsAccessorDescriptor: IsAccessorDescriptor
	}, current)) {
		throw new $TypeError('Assertion failed: current must be a Property Descriptor, or undefined');
	}

if (Type(current) === 'Undefined') { // step 2
		if (!extensible) {
			return false; // step 2.a
		}
		if (oType === 'Undefined') {
			return true; // step 2.b
		}
		if (IsAccessorDescriptor(Desc)) { // step 2.c
			return DefineOwnProperty(
				IsDataDescriptor,
				SameValue,
				FromPropertyDescriptor,
				O,
				P,
				Desc
			);
		}
		// step 2.d
		return DefineOwnProperty(
			IsDataDescriptor,
			SameValue,
			FromPropertyDescriptor,
			O,
			P,
			{
				'[[Configurable]]': !!Desc['[[Configurable]]'],
				'[[Enumerable]]': !!Desc['[[Enumerable]]'],
				'[[Value]]': Desc['[[Value]]'],
				'[[Writable]]': !!Desc['[[Writable]]']
			}
		);
	}

// 3. Assert: current is a fully populated Property Descriptor.
	if (!isFullyPopulatedPropertyDescriptor({
		IsAccessorDescriptor: IsAccessorDescriptor,
		IsDataDescriptor: IsDataDescriptor
	}, current)) {
		throw new $TypeError('`current`, when present, must be a fully populated and valid Property Descriptor');
	}

// 4. If every field in Desc is absent, return true.
	// this can't really match the assertion that it's a Property Descriptor in our JS implementation

// 5. If current.[[Configurable]] is false, then
	if (!current['[[Configurable]]']) {
		if ('[[Configurable]]' in Desc && Desc['[[Configurable]]']) {
			// step 5.a
			return false;
		}
		if ('[[Enumerable]]' in Desc && !SameValue(Desc['[[Enumerable]]'], current['[[Enumerable]]'])) {
			// step 5.b
			return false;
		}
		if (!IsGenericDescriptor(Desc) && !SameValue(IsAccessorDescriptor(Desc), IsAccessorDescriptor(current))) {
			// step 5.c
			return false;
		}
		if (IsAccessorDescriptor(current)) { // step 5.d
			if ('[[Get]]' in Desc && !SameValue(Desc['[[Get]]'], current['[[Get]]'])) {
				return false;
			}
			if ('[[Set]]' in Desc && !SameValue(Desc['[[Set]]'], current['[[Set]]'])) {
				return false;
			}
		} else if (!current['[[Writable]]']) { // step 5.e
			if ('[[Writable]]' in Desc && Desc['[[Writable]]']) {
				return false;
			}
			if ('[[Value]]' in Desc && !SameValue(Desc['[[Value]]'], current['[[Value]]'])) {
				return false;
			}
		}
	}

// 6. If O is not undefined, then
	if (oType !== 'Undefined') {
		var configurable;
		var enumerable;
		if (IsDataDescriptor(current) && IsAccessorDescriptor(Desc)) { // step 6.a
			configurable = ('[[Configurable]]' in Desc ? Desc : current)['[[Configurable]]'];
			enumerable = ('[[Enumerable]]' in Desc ? Desc : current)['[[Enumerable]]'];
			// Replace the property named P of object O with an accessor property having [[Configurable]] and [[Enumerable]] attributes as described by current and each other attribute set to its default value.
			return DefineOwnProperty(
				IsDataDescriptor,
				SameValue,
				FromPropertyDescriptor,
				O,
				P,
				{
					'[[Configurable]]': !!configurable,
					'[[Enumerable]]': !!enumerable,
					'[[Get]]': ('[[Get]]' in Desc ? Desc : current)['[[Get]]'],
					'[[Set]]': ('[[Set]]' in Desc ? Desc : current)['[[Set]]']
				}
			);
		} else if (IsAccessorDescriptor(current) && IsDataDescriptor(Desc)) {
			configurable = ('[[Configurable]]' in Desc ? Desc : current)['[[Configurable]]'];
			enumerable = ('[[Enumerable]]' in Desc ? Desc : current)['[[Enumerable]]'];
			// i. Replace the property named P of object O with a data property having [[Configurable]] and [[Enumerable]] attributes as described by current and each other attribute set to its default value.
			return DefineOwnProperty(
				IsDataDescriptor,
				SameValue,
				FromPropertyDescriptor,
				O,
				P,
				{
					'[[Configurable]]': !!configurable,
					'[[Enumerable]]': !!enumerable,
					'[[Value]]': ('[[Value]]' in Desc ? Desc : current)['[[Value]]'],
					'[[Writable]]': !!('[[Writable]]' in Desc ? Desc : current)['[[Writable]]']
				}
			);
		}

// For each field of Desc that is present, set the corresponding attribute of the property named P of object O to the value of the field.
		return DefineOwnProperty(
			IsDataDescriptor,
			SameValue,
			FromPropertyDescriptor,
			O,
			P,
			Desc
		);
	}

return true; // step 7
};