unherit

unherit

Create a custom constructor which can be modified without affecting the original class.

Installation

npm:

npm install unherit

unherit is also available for bower, component, and duo, and as an AMD, CommonJS, and globals module, uncompressed and compressed.

Usage

var EventEmitter = require('events').EventEmitter;

/* Create a private class which acts just like
 * `EventEmitter`. */
var Emitter = unherit(EventEmitter);

Emitter.prototype.defaultMaxListeners = 0;
/* Now, all instances of `Emitter` have no maximum
 * listeners, without affecting other `EventEmitter`s. */

assert(new Emitter().defaultMaxListeners === 0); // true
assert(new EventEmitter().defaultMaxListeners === undefined); // true
assert(new Emitter() instanceof EventEmitter); // true

API

unherit(Super)

Create a custom constructor which can be modified without affecting the original class.

Parameters

• Super (Function) — Super-class.

Returns

(Function) — Constructor acting like Super, which can be modified without affecting the original class.

License

MIT © Titus Wormer

Similar packages

Other packages similar to unherit

class-extend

Similar to `unherit`, `class-extend` allows you to extend classes in Node.js. It provides a simple way to inherit from existing classes and add or override methods. The main difference is in the API and the way you use it to extend classes.

extendable

This package offers functionality to extend classes as well, but with a focus on creating extendable constructors. It's similar to `unherit` in its goal to facilitate class extension and customization, but differs in its approach and specific use cases.