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Regular expression for matching JavaScript identifiers
JSON for Humans
A parser that converts TypeScript source code into an ESTree compatible form
Get and robustly cache all JS language-level intrinsics at first require time
A JavaScript parser
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Robustly `.call.bind()` a function
ECMAScript parsing infrastructure for multipurpose analysis
A robust, ES3 compatible, "has own property" predicate.
ES2015 `Object.assign()` ponyfill
An AST-based pattern checker for JavaScript.
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
Check if a string is a valid JavaScript identifier
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
A query library for ECMAScript AST using a CSS selector like query language.
A simple cache for a few of the JS Error constructors.
An ESLint custom parser which leverages TypeScript ESTree
An Esprima-compatible JavaScript parser built on Acorn
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
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`Object.defineProperty`, but not IE 8's broken one.