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1000+ packages found

Get and robustly cache all JS language-level intrinsics at first require time

published version 1.3.0, 5 months ago1969 dependents licensed under $MIT
373,792,167

JSON for Humans

published version 2.2.3, 3 years ago5568 dependents licensed under $MIT
500,489,968

A parser that converts TypeScript source code into an ESTree compatible form

published version 8.37.0, 4 days ago351 dependents licensed under $MIT
350,798,410

An AST-based pattern checker for JavaScript.

published version 9.31.0, 7 days ago23904 dependents licensed under $MIT
298,645,382

A robust, ES3 compatible, "has own property" predicate.

published version 2.0.2, a year ago1474 dependents licensed under $MIT
290,378,649

ES2015 `Object.assign()` ponyfill

published version 4.1.1, 9 years ago9773 dependents licensed under $MIT
288,441,939

Robustly `.call.bind()` a function

published version 1.0.8, 7 months ago2036 dependents licensed under $MIT
282,426,578

A JavaScript parser

published version 7.28.0, 16 days ago4461 dependents licensed under $MIT
409,203,516

ECMAScript parsing infrastructure for multipurpose analysis

published version 4.0.1, 7 years ago3564 dependents licensed under $BSD-2-Clause
323,991,995

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

published version 1.0.2, a year ago1149 dependents licensed under $MIT
263,458,880

`Object.defineProperty`, but not IE 8's broken one.

published version 1.0.1, 7 months ago1066 dependents licensed under $MIT
256,852,969

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible

published version 0.4.1, 5 years ago1527 dependents licensed under $MIT
324,311,265

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

published version 1.3.0, 8 months ago1233 dependents licensed under $MIT
214,363,402

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

published version 1.2.0, 7 months ago1402 dependents licensed under $MIT
295,722,899

An ESLint custom parser which leverages TypeScript ESTree

published version 8.37.0, 4 days ago13562 dependents licensed under $MIT
247,385,541

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

published version 1.1.1, 6 months ago490 dependents licensed under $MIT
243,765,801

Unbox a boxed JS primitive value.

published version 1.1.0, 7 months ago1062 dependents licensed under $MIT
190,654,498

ES spec-like internal slots

published version 1.1.0, 7 months ago1101 dependents licensed under $MIT
206,003,239

A query library for ECMAScript AST using a CSS selector like query language.

published version 1.6.0, a year ago1494 dependents licensed under $BSD-3-Clause
253,432,936

A simple cache for a few of the JS Error constructors.

published version 1.3.0, a year ago1148 dependents licensed under $MIT
250,175,505