A utility for managing a prototype chain

Returns an array of the object's prototype chain

Get the prototype chain of any value as an Array

Test whether a value has in its prototype chain a specified constructor as a prototype property.

Test if an object's prototype chain contains a provided prototype.

Prototype chain with lookup.

A generator that walks the prototype chain of an object

A generator that walks the prototype chain of an object and its mixins

Get all property names along the prototype chain

Gather descriptors from constructor's prototype chain

Dynamically inject classes into the prototype chain in CoffeeScript

Checks if an object exists in another object's prototype chain.

Like Object.getOwnPropertyDescriptor, but goes along the prototype chain and gets the descriptors for all properties.

ESLint plugin to optimize prototype chain lookups

Override all properties inhereted by an object's prototype chain

Framework-agnostic class-scoped matchers for expect customization. Type-specific, prototype-chain dispatch — author once, plug into Jest, Vitest, or any expect host.

A library to make errors.

Adds meta programming functionality to the prototype chain

add before and after hooks to any JavaScript prototype chain

extract object's prototype chain properties