npm
es-shims/Object.values
ES2017 spec-compliant shim for Object.values
MITSep 16, 2026 · metrics 2.10.0
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#ecmascript
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
133 records
npm
inspect-js/is-bigint
Is this an ES BigInt value?
MITSep 16, 2026 · metrics 2.10.0
npm
sindresorhus/identifier-regex
Regular expression for matching JavaScript identifiers
MITAug 27, 2026 · metrics 2.10.0
npm
syntax-tree/estree-util-build-jsx
Transform JSX in estrees to function calls (for react, preact, and most hyperscript interfaces)
MITOct 21, 2026 · metrics 2.10.0
npm
es-shims/Object.fromEntries
Official ES spec-compliant polyfill for Object.fromEntries
MITSep 16, 2026 · metrics 2.10.0
npm
es-shims/RegExp.prototype.flags
ES6 spec-compliant RegExp.prototype.flags shim
MITSep 16, 2026 · metrics 2.10.0
npm
estools/esquery
ECMAScript AST query library.
Custom licenseSep 16, 2026 · metrics 2.10.0
npm
inspect-js/has-tostringtag
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
MITSep 16, 2026 · metrics 2.10.0
npm
inspect-js/is-set
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITSep 16, 2026 · metrics 2.10.0
npm
inspect-js/is-weakset
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITSep 16, 2026 · metrics 2.10.0
npm
inspect-js/which-boxed-primitive
Which kind of boxed JS primitive is this?
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/object-keys
Object.keys shim
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/set-function-length
Set a function's length property
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/unbox-primitive
Unbox a boxed JS primitive value.
MITSep 16, 2026 · metrics 2.10.0
npm
medikoo/es6-symbol
ECMAScript 6 Symbol polyfill
ISCSep 23, 2026 · metrics 2.10.0
npm
syntax-tree/esast-util-from-estree
esast utility to transform from estree
MITSep 15, 2026 · metrics 2.10.0
npm
es-shims/is-nan
ES6-compliant shim for Number.isNaN - the global isNaN returns false positives.
MITSep 23, 2026 · metrics 2.10.0
npm
inspect-js/which-builtin-type
What is the type of this builtin JS value?
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/call-bound
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/es-abstract-get
ECMAScript Abstract Operations for "getting properties" (Get, GetV, GetMethod)
MITSep 16, 2026 · metrics 2.10.0
npm
mathiasbynens/String.prototype.includes
A robust & optimized ES3-compatible polyfill for the `String.prototype.contains` method in ECMAScript 6.
MITSep 15, 2026 · metrics 2.10.0
npm
sindresorhus/reserved-identifiers
Provides a list of reserved identifiers for JavaScript
MITSep 15, 2026 · metrics 2.10.0
npm
syntax-tree/estree-util-visit
esast (and estree) utility to visit nodes
MITOct 21, 2026 · metrics 2.10.0
npm
micromark/micromark-extension-mdx-expression
micromark extension to support MDX or MDX JS expressions
MITOct 21, 2026 · metrics 2.10.0
npm
dzek69/ezez-utils
Tiny and fast lodash alternative
MITSep 18, 2026 · metrics 2.10.0
npm
inspect-js/get-symbol-description
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/es-define-property
`Object.defineProperty`, but not IE 8's broken one.
MITSep 16, 2026 · metrics 2.10.0
npm
ljharb/gopd
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
MITSep 16, 2026 · metrics 2.10.0
npm
syntax-tree/estree-util-attach-comments
utility to attach comments to estree nodes
MITOct 21, 2026 · metrics 2.10.0
npm
syntax-tree/unist-util-position-from-estree
unist utility to get a position from an estree node
MITSep 15, 2026 · metrics 2.10.0