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es-abstract v1.23.3

ECMAScript spec abstract operations.

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MIT

Dependency Licenses

MIT64
PackageRelationDependenciesPublished
array-buffer-byte-length • 1.0.1Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.DIRECT13
arraybuffer.prototype.slice • 1.0.3ES spec-compliant shim for ArrayBuffer.prototype.sliceDIRECT64
available-typed-arrays • 1.0.7Returns an array of Typed Array names that are available in the current environmentDIRECT1
call-bind • 1.0.7Robustly `.call.bind()` a functionDIRECT11
data-view-buffer • 1.0.1Get the ArrayBuffer out of a DataView, robustly.DIRECT20
data-view-byte-length • 1.0.1Get the byteLength out of a DataView, robustly.DIRECT20
data-view-byte-offset • 1.0.0Get the byteOffset out of a DataView, robustly.DIRECT20
define-data-property • 1.1.4Define a data property on an object. Will fall back to assignment in an engine without descriptors.INDIRECT8
define-properties • 1.2.1Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.INDIRECT11
es-define-property • 1.0.0`Object.defineProperty`, but not IE 8's broken one.DIRECT6
es-errors • 1.3.0A simple cache for a few of the JS Error constructors.DIRECT0
es-object-atoms • 1.0.0ES Object-related atoms: Object, ToObject, RequireObjectCoercibleDIRECT1
es-set-tostringtag • 2.0.3A helper to optimistically set Symbol.toStringTag, when possible.DIRECT7
es-to-primitive • 1.2.1ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.DIRECT5
for-each • 0.3.3A better forEachINDIRECT1
function-bind • 1.1.2Implementation of Function.prototype.bindINDIRECT0
function.prototype.name • 1.1.6An ES2015 spec-compliant `Function.prototype.name` shimDIRECT64
functions-have-names • 1.2.3Does this JS environment support the `name` property on functions?INDIRECT0
get-intrinsic • 1.2.4Get and robustly cache all JS language-level intrinsics at first require timeDIRECT5
get-symbol-description • 1.0.2Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.DIRECT12
globalthis • 1.0.4ECMAScript spec-compliant polyfill/shim for `globalThis`DIRECT12
gopd • 1.0.1`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.DIRECT6
has-bigints • 1.0.2Determine if the JS environment has BigInt support.INDIRECT0
has-property-descriptors • 1.0.2Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.DIRECT7
has-proto • 1.0.3Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?DIRECT0
has-symbols • 1.0.3Determine if the JS environment has Symbol support. Supports spec, or shams.DIRECT0
has-tostringtag • 1.0.2Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.INDIRECT1
hasown • 2.0.2A robust, ES3 compatible, "has own property" predicate.DIRECT1
internal-slot • 1.0.7ES spec-like internal slotsDIRECT14
is-array-buffer • 3.0.4Is this value a JS ArrayBuffer?DIRECT12
is-bigint • 1.0.4Is this value an ES BigInt?INDIRECT1
is-boolean-object • 1.1.2Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.INDIRECT13
is-callable • 1.2.7Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.DIRECT0
is-data-view • 1.0.1Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.DIRECT19
is-date-object • 1.0.5Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.INDIRECT2
is-negative-zero • 2.0.3Is this value negative zero? === will lie to youDIRECT0
is-number-object • 1.0.7Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.INDIRECT2
is-regex • 1.1.4Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTagDIRECT13
is-shared-array-buffer • 1.0.3Is this value a JS SharedArrayBuffer?DIRECT12
is-string • 1.0.7Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.DIRECT2
is-symbol • 1.0.4Determine if a value is an ES6 Symbol or not.INDIRECT1
is-typed-array • 1.1.13Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.DIRECT18
is-weakref • 1.0.2Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.DIRECT12
isarray • 2.0.5Array#isArray for older browsersINDIRECT0
object-inspect • 1.13.1string representations of objects in node and the browserDIRECT0
object-keys • 1.1.1An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shimDIRECT0
object.assign • 4.1.5ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shimDIRECT14
possible-typed-array-names • 1.0.0A simple list of possible Typed Array names.INDIRECT0
regexp.prototype.flags • 1.5.2ES6 spec-compliant RegExp.prototype.flags shim.DIRECT16
safe-array-concat • 1.1.2`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadableDIRECT13
safe-regex-test • 1.0.3Give a regex, get a robust predicate function that tests it against a string.DIRECT14
set-function-length • 1.2.2Set a function's length propertyINDIRECT10
set-function-name • 2.0.2Set a function's name propertyINDIRECT11
side-channel • 1.0.6Store information about any JS value in a side channel. Uses WeakMap if available.INDIRECT13
string.prototype.trim • 1.2.9ES5 spec-compliant shim for String.prototype.trimDIRECT64
string.prototype.trimend • 1.0.8ES2019 spec-compliant String.prototype.trimEnd shim.DIRECT15
string.prototype.trimstart • 1.0.8ES2019 spec-compliant String.prototype.trimStart shim.DIRECT15
typed-array-buffer • 1.0.2Get the ArrayBuffer out of a TypedArray, robustly.DIRECT19
typed-array-byte-length • 1.0.1Robustly get the byte length of a Typed ArrayDIRECT19
typed-array-byte-offset • 1.0.2Robustly get the byte offset of a Typed ArrayDIRECT19
typed-array-length • 1.0.6Robustly get the length of a Typed ArrayDIRECT19
unbox-primitive • 1.0.2Unbox a boxed JS primitive value.DIRECT20
which-boxed-primitive • 1.0.2Which kind of boxed JS primitive is this?INDIRECT19
which-typed-array • 1.1.15Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.DIRECT17
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