Sort objecy keys by length

Give me a string and I'll tell you if it's a valid npm package license string

Extend an object with the properties of additional objects. node.js/javascript util.

Update object by mapping diff properties

Pick properties by aliases

Merge Option Objects

Allows users to use generators in order to write common functions that can be both sync or async.

Like JSON.stringify, but doesn't blow up on circular refs.

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

JSON parse & stringify that supports binary via bops & base64

HPACK implementation

merge() utility function

A simple class to add side effects for Object assignment in TypeScript

recursively Object.freeze() objects and functions

Similar to map for arrays, this creates a new object by calling the callback on each property of the original object.

Returns true if a value is a plain object, array or function.

return list of CallSite objects from a captured stacktrace

Create a stream that emits events from multiple other streams

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

Underscore's extend method as a standalone Common JS module.