extend

Customize code using closures

Angular build facade extensions (Jest and custom webpack configuration)

A curated list of awesome things related to ThinkJS 3.x

A new method for methods

a tiny utility to programatically create and mount Vue 3 components (e.g. a Vue.extend replacement)

Recursively merge values in a JavaScript object.

An artifact repository to assist writing Gradle Plugins for Android build system.

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

Deeply mix the properties of objects into the first object, while also mixing-in child objects.

Deeply assign the enumerable properties of source objects to a destination object.

Proposed Array prototype helpers and polyfills exploring future ECMAScript collection APIs.

Jest matcher for multiple snapshot files per test

Basic object store with methods like get/set/extend/omit

Plugins for SmartHomeNG - The device integration platform for your smart home

Breaking JS Class Constrains

A library that extends any unsealed type at runtime

Extend classes from outside in using Macros and getters

WormHole allows to share classes between Flutter and Native Platform (android / ios)

A collection of pure Tcl, production-ready micro packages