An error subclass for wrapping non-error values

Easily subclass errors

Create a subclass that can be modified without affecting the super class

An Error subclass that will chain nested Errors and dump nested stacktraces

A `Map` subclass with support for multiple keys for one entry.

Inherit, extend, decorate, and override classes and instances.

TypeScript definitions for error-subclass

Date convenience subclass

An array convenience subclass

An object convenience subclass

Returns true if A is a subclass of B or the same class as B.

Convenience subclass to the native RegExp object

A `StreamStack` subclass that parses headers until an emtpy line is found.

Convenient array subclass

A subclass of inquirer's list whose choices can be updated on the fly

CC BasicCompactionEngine subclass carrying per-agent /compact preservation hints

A passport strategy to authenticate against an AWS Cognito User Pool OAuth 2.0 provider and get user profile, access token and ID token. This supports providing cognito specific additional auth parameters. This is subclass of passport-oauth2 strategy.

Promise subclass with mechanism to report progress before resolving

Prisma Next IDB family — runtime (RuntimeCore subclass that wires adapter + driver)

Lets you create real ObjC classes in cocoascript so you can implement delegates, subclass builtin types, etc