Store information about any JS value in a side channel, using a Map
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
Determine if the JS environment has BigInt support.
parse argument options
Give a regex, get a robust predicate function that tests it against a string.
1. [Usage](#usage) 1. [NPM](#npm) 1. [Composer](#composer) 1. [Github actions](#github-actions) 1. [Commands](#commands) 1. [List projects](#list-projects) 1. [Pull](#pull) 1. [Push](#push) 1. [Configuration](#configuration) 1.
Store information about any JS value in a side channel. Uses WeakMap if available.
ES2017 spec-compliant Object.entries shim.
Store information about any JS value in a side channel. Uses WeakMap if available.
Common utilities for products from Peculiar Ventures
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
A helper to optimistically set Symbol.toStringTag, when possible.
Set a function's length property
ES proposal-spec-compliant Object.fromEntries shim.
Is this value a JS SharedArrayBuffer?
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript
A robust, ES3 compatible, "has own property" predicate.
Unbox a boxed JS primitive value.
Determine if a value is an ES6 Symbol or not.
Robustly get the byte length of a Typed Array
Set a function's name property
concatenative mapdashery
ECMAScript spec-compliant polyfill/shim for `globalThis`
Robustly get the [[Prototype]] of an object