Like a Set, but provides the index of the `key` in the backing array
ES2015-compliant shim for Object.is - differentiates between -0 and +0
Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?
Parser adapter for parsing JSON documents into base namespace.
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
A function that accepts the full name of a person in any format, parses it, and returns its parts { title, first name, middle name, last name, nickname, suffix, [and any parsing errors] }.
Parse a url assuming `http` if no protocol or `//` is provided.
A modernized, esm-only fork of qs without unnecessary polyfills
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible
Get and robustly cache all JS language-level intrinsics at first require time
CSV stringifier implementing the Node.js `stream.Transform` API
Helper function for exhaustive checks of discriminated unions in TypeScript
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
code-red
Does this JS environment support the `name` property on functions?
If available, the `Object.prototype.__proto__` accessor and mutator, call-bound
Store information about any JS value in a side channel. Uses WeakMap if available.
Super fast, memoized `req.url` parser
ES6 spec-compliant RegExp.prototype.flags shim.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.