1122 packages found
An AST-based pattern checker for JavaScript.
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
ECMAScript 5 compatibility shims for legacy JavaScript engines
Get and robustly cache all JS language-level intrinsics at first require time
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
JavaScript parser, mangler/compressor and beautifier toolkit
An Esprima-compatible JavaScript parser built on Acorn
Is this value a JS SharedArrayBuffer?
ES spec-like internal slots
Unbox a boxed JS primitive value.
ECMAScript parsing infrastructure for multipurpose analysis
A JavaScript parser
ES2015 `Object.assign()` ponyfill
Which kind of boxed JS primitive is this?
JavaScript parser, mangler/compressor and beautifier toolkit for ES6+
ECMAScript spec abstract operations.
A query library for ECMAScript AST using a CSS selector like query language.
JavaScript utilities with respect to emerging standard
An ESLint custom parser which leverages TypeScript ESTree