If available, the `Object.prototype.__proto__` accessor and mutator, call-bound
parse argument options
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.
ES2017 spec-compliant Object.values shim.
Determine if the JS environment has BigInt support.
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
ES proposal-spec-compliant Object.fromEntries shim.
ES spec-compliant shim for ArrayBuffer.prototype.slice
PostCSS plugin for Tailwind CSS, a utility-first CSS framework for rapidly building custom user interfaces
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript
Store information about any JS value in a side channel. Uses WeakMap if available.
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Helper function to build react jsx
Give a regex, get a robust predicate function that tests it against a string.
Set a function's length property
A simple cache for a few of the JS Error constructors.
Develop and build your React client-server projects, powered by typescript and webpack
A helper to optimistically set Symbol.toStringTag, when possible.
ES2017 spec-compliant Object.entries shim.
A robust, ES3 compatible, "has own property" predicate.
Unbox a boxed JS primitive value.
Bot Builder is a framework for building rich bots on virtually any platform.