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is-set

Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• set
• collection
• is
• robust

ljharb

published 2.0.3 • 2 months agopublished 2.0.3 2 months ago

is-map

Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• set
• collection
• is
• robust

ljharb

published 2.0.3 • 2 months agopublished 2.0.3 2 months ago

string.prototype.matchall

Spec-compliant polyfill for String.prototype.matchAll

• ES2020
• ES
• String.prototype.matchAll
• matchAll
• match
• regex
• regexp
• regular
• expression
• matches

ljharb

published 4.0.11 • a month agopublished 4.0.11 a month ago

is-weakset

Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• weakmap
• set
• weakset
• collection
• is
• robust

ljharb

published 2.0.3 • 2 months agopublished 2.0.3 2 months ago

which-collection

Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

• map
• set
• weakmap
• weakset
• collection.es6
• es2015

ljharb

published 1.0.2 • 2 months agopublished 1.0.2 2 months ago

is-weakmap

Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

• map
• weakmap
• set
• weakset
• collection
• is
• robust

ljharb

published 2.0.2 • 2 months agopublished 2.0.2 2 months ago

array.prototype.findlastindex

An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.

• Array.prototype.findLastIndex
• find
• findLast
• findLastIndex
• array
• ESnext
• shim
• polyfill
• last
• es-shim API

ljharb

published 1.2.5 • a month agopublished 1.2.5 a month ago

object.groupby

An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.

• ecmascript
• javascript
• polyfill
• shim
• es-shim API
• array
• object
• group
• groupBy

ljharb

published 1.0.3 • a month agopublished 1.0.3 a month ago

side-channel

Store information about any JS value in a side channel. Uses WeakMap if available.

• weakmap
• map
• side
• channel
• metadata

ljharb

published 1.0.6 • 2 months agopublished 1.0.6 2 months ago

object.hasown

ES spec-compliant shim for Object.hasOwn

• Object
• hasOwn
• polyfill
• shim
• es-shim API

ljharb

published 1.1.4 • a month agopublished 1.1.4 a month ago

array.prototype.tosorted

An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.

• javascript
• ecmascript
• shim
• polyfill
• es-shim API
• array
• sort
• sorted
• toSorted

ljharb

published 1.1.3 • 3 months agopublished 1.1.3 3 months ago

es-iterator-helpers

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

• javascript
• ecmascript
• polyfill
• shim
• es-shims
• es-shim API
• Iterator
• helpers
• from
• map
• filter
• take
• drop
• flatMap
• View more

ljharb

published 1.0.19 • 3 days agopublished 1.0.19 3 days ago

reflect.getprototypeof

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

• Reflect.getPrototypeOf
• Object.getPrototypeOf
• proto
• __proto__
• [[Prototype]]
• getPrototypeOf
• ES5
• shim
• polyfill
• es-shim API
• browser

ljharb

published 1.0.6 • a month agopublished 1.0.6 a month ago

possible-typed-array-names

A simple list of possible Typed Array names.

• typed
• array
• typedarray
• Float32Array
• Float64Array
• Int8Array
• Int16Array
• Int32Array
• Uint8Array
• Uint8ClampedArray
• Uint16Array
• Uint32Array
• BigInt64Array
• BigUint64Array

ljharb

published 1.0.0 • 2 months agopublished 1.0.0 2 months ago

jsx-ast-utils

AST utility module for statically analyzing JSX

• jsx
• ast
• lint
• eslint

ljharb

published 3.3.5 • 9 months agopublished 3.3.5 9 months ago

eslint-plugin-jsx-a11y

Static AST checker for accessibility rules on JSX elements.

• eslint
• eslintplugin
• eslint-plugin
• a11y
• accessibility
• jsx

ljharb

published 6.8.0 • 6 months agopublished 6.8.0 6 months ago

deep-equal

node's assert.deepEqual algorithm

• equality
• equal
• compare

ljharb

published 2.2.3 • 6 months agopublished 2.2.3 6 months ago

function.prototype.name

An ES2015 spec-compliant `Function.prototype.name` shim

• Function.prototype.name
• function
• name
• ES6
• ES2015
• shim
• polyfill
• es-shim API

ljharb

published 1.1.6 • 8 months agopublished 1.1.6 8 months ago

minimist

parse argument options

• argv
• getopt
• parser
• optimist

ljharb

published 1.2.8 • a year agopublished 1.2.8 a year ago

array.prototype.flatmap

An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

• Array.prototype.flatMap
• flatMap
• array
• ESnext
• shim
• polyfill
• flatten
• Array.prototype.flatten
• es-shim API

ljharb

published 1.3.2 • 8 months agopublished 1.3.2 8 months ago