has82.9mMIT1.0.4

Object.prototype.hasOwnProperty.call shortcut

tarrudaalmost 2 years

has-symbols322.9mMIT1.1.0

Determine if the JS environment has Symbol support. Supports spec, or shams.

inspect-js9 monthsSymbol, symbols, typeof, sham

hasown280.8mMIT2.0.2

A robust, ES3 compatible, "has own property" predicate.

inspect-jsover 1 yearhas, hasOwnProperty, hasOwn, has-own

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

inspect-jsover 1 yearhas, property, descriptors, environment

has-proto173.6mMIT1.2.0

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

inspect-js9 monthshas, prototype, proto, set

Packages

Babel compiler core.

React is a JavaScript library for building user interfaces.

Higher-order functions and common patterns for asynchronous code

Lodash modular utilities.

Lightweight debugging utility for Node.js and the browser

A querystring parser that supports nesting and arrays, with a depth limit