Get the class type of any object

Get object class name string

Determine the East Asian Width of a Unicode character

Like `Object.keys()` but also includes symbols

Get the PATH environment variable key cross-platform

Returns an array of all enumerable symbol properties found directly upon a given object

Find and parse the tsconfig.json file from a directory path

Use property paths like 'a.b.c' to get a nested value from an object. Even works when keys have dots in them (no other dot-prop library we tested does this, or does it correctly).

Caseless object set/get/has, very useful when working with HTTP headers.

Parses set-cookie headers into objects

Robustly get the [[Prototype]] of an object

Determine the `package.json#type` which applies to a location

Get an iterator for any JS language value. Works robustly across all environments, all versions.

Sizeof of a JavaScript object in Bytes

Universal cookies for JavaScript

Get a stream as a string, Buffer, ArrayBuffer or array

Some utilities for JSON pointers described by RFC 6901

Merge objects using their property descriptors

Convert a string/promise/array/iterable/asynciterable/buffer/typedarray/arraybuffer/object into a stream

Check if a value is a plain object