ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
The node.js assert module, re-packaged for web browsers.
Helper function for exhaustive checks of discriminated unions in TypeScript
Does this JS environment support the `name` property on functions?
Store information about any JS value in a side channel. Uses WeakMap if available.
parse SPDX license expressions
If available, the `Object.prototype.__proto__` accessor and mutator, call-bound
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
ES6 spec-compliant RegExp.prototype.flags shim.
A static list of the Node.js builtin modules from the latest Node.js version
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Store information about any JS value in a side channel, using a Map
Store information about any JS value in a side channel, using a linked list
Minimal async jobs utility library, with streams support
Is this value negative zero? === will lie to you
escape Markdown control characters
diagram renderer for power-assert context
Power Assert feature instrumentor on the fly
Set a function's length property
test whether SPDX expressions satisfy licensing criteria
Parse the things that can be arguments to `npm install`
comparison renderer for power-assert context
Determine if a value is an ES6 Symbol or not.