Is this an arguments object? It's a harder question than you think.
A function that returns the normally hidden `AsyncFunction` constructor
A function that returns the normally hidden `GeneratorFunction` constructor
Helper function for exhaustive checks of discriminated unions in TypeScript
Robustly set the [[Prototype]] of an object
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
Change alpha value of a color string
Resolve npm package details, like name and base path, given an absolute path to a file inside a package
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Use 4 & 8 character hex color notation in CSS
Like a Set, but provides the index of the `key` in the backing array
TypeScript definitions for http-assert
typesafe assertion library for TypeScript 3.7+
Type check values
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
Serve static files
A static list of the Node.js builtin modules from the latest Node.js version
ES proposal-spec-compliant Object.fromEntries shim.
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Use the alpha() function in CSS
Detect native Symbol.toStringTag support.
Check if an environment is little endian.