An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.
The fastest directory crawler & globbing alternative to glob, fast-glob, & tiny-glob. Crawls 1m files in < 1s
Object value retrieval given a string path
ES5 spec-compliant shim for String.prototype.trim
ES2017 spec-compliant Object.values shim.
Determine if the current node version supports the `--preserve-symlinks` flag.
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset
TypeScript is a language for application scale JavaScript development
Utility functions for working with TypeScript's API. Successor to the wonderful tsutils. 🛠️️
ES Math-related intrinsics and helpers, robustly cached.
TypeScript-first schema declaration and validation library with static type inference
ES2017 spec-compliant Object.entries shim.
An AST-based pattern checker for JavaScript.
A light-weight module that brings Fetch API to node.js
TypeScript scope analyser for ESLint
`Object.defineProperty`, but not IE 8's broken one.
A robust, ES3 compatible, "has own property" predicate.
Protocol Buffers for JavaScript & TypeScript.
Strip ANSI escape codes from a string
An ES2015 spec-compliant `Function.prototype.name` shim
the mighty option parser used by yargs
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
The ultimate javascript content-type utility.