Collection of the ECMAScript abstract methods as standalone Javascript functions and a library with zero dependencies.
Latest version: 1.0.1
Date: 2025-07-14T18:49:58.592Z
Tested on these browsers:
- Windows Firefox
- Windows Chrome
- Windows Edge
- iOS Safari
- iOS Firefox
- iOS Chrome
- iOS Edge
- Android Firefox
- Android Chrome
- Android Samsung Internet
- Android Edge
The functions are available in the zephyr and/or ES object.
| Edition | Filename |
|---|---|
| developer | zephyr.dev.js |
| minified | zephyr.min.js |
| ES6 module | zephyr.esm.js |
| testpages | testsuite-dev.html testsuite-min.html testsuite-esm1.html testsuite-esm2.html |
DEV and MIN editions: If the ES global variable is used before the loading of the library, then the value of the variable is saved and you can restore with the noConflict(); function.
| version | page link |
|---|---|
| Stable | https://github.com/Serrin/Zephyr |
| Beta | https://github.com/Serrin/Zephyr-beta |
<script type="module">
// import the defaultExport object
import defaultExport from "./zephyr.esm.js";
window.zephyr = defaultExport;
window.ES = defaultExport;
// import with default with name
import { default as zephyr } from "./zephyr.esm.js";
window.zephyr = zephyr;
window.ES = zephyr;
// import all into a new zephyr object
import * as zephyr from "./zephyr.esm.js";
window.zephyr = zephyr;
window.ES = zephyr;
// import some functions
import { Type, HasProperty } from "./zephyr.esm.js";
window.Type = Type;
window.HasProperty = HasProperty;
</script>Another way to import
<script type="module"> import "./zephyr.min.js"; </script>
| Function | 262 | TC39 | Status |
|---|---|---|---|
| VERSION; | DONE | ||
| noConflict(); | DONE | ||
| IsObject(value); | DONE | ||
| Completion(); | Link | Link | DONE |
| Type(); | Link | Link | DONE |
| StringIndexOf(); | Link | Link | DONE |
| StringLastIndexOf(); | Link | DONE | |
| NormalCompletion(); | Link | Link | DONE |
| ThrowCompletion(); | Link | Link | DONE |
| ReturnCompletion(); | Link | DONE | |
| UpdateEmpty(); | Link | Link | DONE |
| IsAccessorDescriptor(); | Link | Link | TODO |
| IsDataDescriptor(); | Link | Link | TODO |
| IsGenericDescriptor(); | Link | Link | TODO |
| FromPropertyDescriptor(); | Link | Link | TODO |
| ToPropertyDescriptor(); | Link | Link | TODO |
| CompletePropertyDescriptor(); | Link | Link | TODO |
| ToPrimitive(); | Link | Link | DONE |
| OrdinaryToPrimitive(); | Link | Link | DONE |
| ToBoolean(); | Link | Link | DONE |
| ToNumeric(); | Link | Link | DONE |
| ToNumber(); | Link | Link | DONE |
| StringToNumber(); | Link | Link | DONE |
| ToIntegerOrInfinity(); | Link | Link | DONE |
| ToInt32(); | Link | Link | DONE |
| ToUint32(); | Link | Link | DONE |
| ToInt16(); | Link | Link | DONE |
| ToUint16(); | Link | Link | DONE |
| ToInt8(); | Link | Link | DONE |
| ToUint8(); | Link | Link | DONE |
| ToUint8Clamp(); | Link | Link | DONE |
| ToBigInt(); | Link | Link | DONE |
| StringToBigInt(); | Link | Link | DONE |
| ToBigInt64(); | Link | Link | DONE |
| ToBigUint64(); | Link | Link | DONE |
| ToString(); | Link | Link | DONE |
| ToObject(); | Link | Link | DONE |
| ToPropertyKey(); | Link | Link | DONE |
| ToLength(); | Link | Link | DONE |
| CanonicalNumericIndexString(); | Link | Link | DONE |
| RequireObjectCoercible(); | Link | DONE | |
| ToIndex(); | Link | Link | DONE |
| IsArray(); | Link | Link | DONE |
| IsCallable(); | Link | Link | DONE |
| IsConstructor(); | Link | Link | DONE |
| IsExtensible(); | Link | Link | DONE |
| IsIntegralNumber(); | Link | DONE | |
| IsRegExp(); | Link | Link | DONE |
| IsPropertyKey(); | Link | DONE | |
| IsStringWellFormedUnicode(); | Link | Link | DONE |
| SameType(); | Link | DONE | |
| SameValue(); | Link | Link | DONE |
| SameValueZero(); | Link | Link | DONE |
| SameValueNonNumber(); | Link | Link | DONE |
| IsLessThan(); | Link | Link | DONE |
| IsLooselyEqual(); | Link | Link | DONE |
| IsStrictlyEqual(); | Link | Link | DONE |
| MakeBasicObject(); | Link | Link | DONE |
| Get(); | Link | Link | DONE |
| GetV(); | Link | Link | DONE |
| Set(); | Link | Link | DONE |
| CreateDataProperty(); | Link | Link | DONE |
| CreateDataPropertyOrThrow(); | Link | Link | DONE |
| CreateNonEnumerableDataPropertyOrThrow(); | Link | Link | DONE |
| DefinePropertyOrThrow(); | Link | Link | DONE |
| DeletePropertyOrThrow(); | Link | Link | DONE |
| GetMethod(); | Link | Link | DONE |
| HasProperty(); | Link | Link | DONE |
| HasOwnProperty(); | Link | Link | DONE |
| Call(); | Link | Link | DONE |
| Construct(); | Link | Link | DONE |
| SetIntegrityLevel(); | Link | Link | DONE |
| TestIntegrityLevel(); | Link | Link | DONE |
| CreateArrayFromList(); | Link | Link | DONE |
| LengthOfArrayLike(); | Link | Link | DONE |
| CreateListFromArrayLike(); | Link | Link | DONE |
| Invoke(); | Link | Link | DONE |
| OrdinaryHasInstance(); | Link | Link | DONE |
| SpeciesConstructor(); | Link | Link | DONE |
| EnumerableOwnProperties(); | Link | Link | DONE |
| GetFunctionRealm(); | Link | Link | TODO |
| CopyDataProperties(); | Link | Link | DONE |
| PrivateElementFind(); | Link | Link | TODO |
| PrivateFieldAdd(); | Link | Link | TODO |
| PrivateMethodOrAccessorAdd(); | Link | Link | TODO |
| HostEnsureCanAddPrivateElement(); | Link | Link | TODO |
| PrivateGet(); | Link | Link | TODO |
| PrivateSet(); | Link | Link | TODO |
| DefineField(); | Link | Link | TODO |
| InitializeInstanceElements(); | Link | Link | TODO |
| AddValueToKeyedGroup(); | Link | Link | DONE |
| GroupBy(); | Link | Link | DONE |
| SetterThatIgnoresPrototypeProperties(); | Link | DONE | |
| GetIteratorDirect(); | Link | DONE | |
| GetIteratorFromMethod(); | Link | Link | DONE |
| GetIterator(); | Link | Link | DONE |
| GetIteratorFlattenable(); | Link | DONE | |
| IteratorNext(); | Link | Link | DONE |
| IteratorComplete(); | Link | Link | DONE |
| IteratorValue(); | Link | Link | DONE |
| IteratorStep(); | Link | Link | DONE |
| IteratorStepValue(); | Link | Link | DONE |
| IteratorClose(); | Link | Link | DONE |
| IfAbruptCloseIterator(); | Link | Link | DONE |
| AsyncIteratorClose(); | Link | Link | DONE |
| CreateIteratorResultObject(); | Link | Link | DONE |
| CreateListIteratorRecord(); | Link | Link | DONE |
| IteratorToList(); | Link | Link | DONE |
| ClearKeptObjects(); | Link | Link | TODO |
| AddToKeptObjects(); | Link | Link | TODO |
| CleanupFinalizationRegistry(); | Link | Link | TODO |
| CanBeHeldWeakly(); | Link | Link | DONE |
| OrdinaryObjectCreate(); | Link | Link | DONE |
| OrdinaryCreateFromConstructor(); | Link | Link | DONE |
| GetPrototypeFromConstructor(); | Link | Link | DONE |
| RequireInternalSlot(); | Link | Link | DONE |
| OrdinaryFunctionCreate(); | Link | Link | DONE |
| AddRestrictedFunctionProperties(); | Link | Link | TODO |
| MakeConstructor(); | Link | Link | DONE |
| MakeClassConstructor(); | Link | Link | TODO |
| MakeMethod(); | Link | Link | DONE |
| DefineMethodProperty(); | Link | Link | DONE |
| SetFunctionName(); | Link | Link | DONE |
| SetFunctionLength(); | Link | Link | DONE |
| FunctionDeclarationInstantiation(); | Link | Link | TODO |
| BuiltinCallOrConstruct(); | Link | Link | TODO |
| CreateBuiltinFunction(); | link | Link | TODO |
| BoundFunctionCreate(); | Link | Link | TODO |
| ArrayCreate(); | Link | Link | DONE |
| ArraySpeciesCreate(); | Link | Link | DONE |
| ArraySetLength(); | Link | Link | DONE |
| StringCreate(); | Link | Link | DONE |
| StringGetOwnProperty(); | Link | Link | DONE |
| CreateUnmappedArgumentsObject(); | Link | Link | DONE |
| CreateMappedArgumentsObject(); | Link | Link | TODO |
| MakeTypedArrayWithBufferWitnessRecord(); | Link | Link | TODO |
| TypedArrayCreate(); | Link | Link | DONE |
| TypedArrayByteLength(); | Link | Link | DONE |
| TypedArrayLength(); | Link | Link | DONE |
| IsTypedArrayOutOfBounds(); | Link | Link | TODO |
| IsTypedArrayFixedLength(); | Link | TODO | |
| IsValidIntegerIndex(); | Link | Link | DONE |
| TypedArrayGetElement(); | Link | Link | DONE |
| TypedArraySetElement(); | Link | Link | DONE |
| IsArrayBufferViewOutOfBounds(); | Link | Link | TODO |
| ModuleNamespaceCreate(); | Link | Link | TODO |
| SetImmutablePrototype(); | Link | Link | DONE |
| ValidateNonRevokedProxy(); | Link | Link | DONE |
| ProxyCreate(); | Link | Link | DONE |
| UTF16EncodeCodePoint(); | Link | Link | DONE |
| CodePointsToString(); | Link | Link | DONE |
| UTF16SurrogatePairToCodePoint(); | Link | Link | DONE |
| CodePointAt(); | Link | Link | DONE |
| StringToCodePoints(); | Link | Link | DONE |
| ParseText(); | Link | Link | TODO |
| GetTemplateObject(); | Link | Link | TODO |
| KeyForSymbol(); | Link | Link | DONE |
| InstallErrorCause(); | Link | Link | DONE |
| NumberToBigInt(); | Link | Link | DONE |
| TrimString(); | Link | Link | DONE |
| CreateArrayIterator(); | Link | Link | DONE |
| FindViaPredicate(); | Link | Link | DONE |
| FlattenIntoArray(); | Link | Link | DONE |
| SortIndexedProperties(); | Link | Link | DONE |
| CompareArrayElements(); | Link | Link | DONE |
| TypedArraySpeciesCreate(); | Link | Link | DONE |
| TypedArrayCreateFromConstructor(); | Link | Link | DONE |
| TypedArrayCreateSameType(); | Link | Link | DONE |
| ValidateTypedArray(); | Link | Link | DONE |
| TypedArrayElementSize(); | Link | Link | DONE |
| TypedArrayElementType(); | Link | Link | DONE |
| AddEntriesFromIterable(); | Link | Link | DONE |
| CompareTypedArrayElements(); | Link | Link | DONE |
| CreateMapIterator(); | Link | Link | DONE |
| GetSetRecord(); | Link | DONE | |
| SetDataHas(); | Link | DONE | |
| SetDataIndex(); | Link | DONE | |
| SetDataSize(); | Link | DONE | |
| CreateSetIterator(); | Link | Link | DONE |
| WeakRefDeref(); | Link | Link | DONE |
| CanonicalizeKeyedCollectionKey(); | Link | DONE | |
| CreateAsyncFromSyncIterator(); | Link | Link | DONE |
| AsyncFromSyncIteratorContinuation(); | Link | Link | TODO |
| CreateResolvingFunctions(); | Link | Link | TODO |
| FulfillPromise(); | Link | Link | TODO |
| NewPromiseCapability(); | Link | Link | TODO |
| IsPromise(); | Link | Link | DONE |
| RejectPromise(); | Link | Link | TODO |
| TriggerPromiseReactions(); | Link | Link | TODO |
| HostPromiseRejectionTracker(); | Link | Link | TODO |
| CreateHTML(); | Link | Link | DONE |
https://opensource.org/licenses/MIT
MIT License
SPDX short identifier: MIT
Copyright (c) 2025 Ferenc Czigler
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
© Copyright 2025 Ferenc Czigler