Mutable NPM | npm.io

Mutable

Mutable state containers in javascript with dirty checking and more (WIP)

What Mutable does

Mutable is a mobx-compatible class system library. Mutable offers a unique runtime schema engine that enforces unidirectional data flow, and formalizes the structure of props and state. Mutable also supports data defaults, and non-nullable types.

Using mutable

Add Mutable to your project by installing it with npm:

npm install mutable --save

Simple code example:

import * as mutable from 'mutable';
import * as mobx from 'mutable';

// define a mutable class by providing a name and a spec (class schema)
const Dude = mutable.define('Dude', {
    spec: ()=>({
        name: Mutable.String.withDefault('Leon'),
        age: Mutable.Number.withDefault(110),
        address: Mutable.String.withDefault('no address')
    })
});
 
// Mutable types accept custom data according to their spec as the first argument of their constructor
const dude = new Dude({name:'Ido'});

mobx.autorun(function () {
    console.log(dude.name + ' ' + dude.age);
});
// prints: Leon 110
dude.name = 'Mike';
// prints: Mike 110

Integrating mutable into React components is up to the user.

how to build and test locally from source

Clone this project locally. Then, at the root folder of the project, run:

npm install
npm test

how to run local continous test feedback

At the root folder of the project, run:

npm start

Then, open your browser at http://localhost:8080/webtest.bundle and see any changes you make in tests or code reflected in the browser

Versioning

Currently Mutable is in alpha mode. As such, it does not respect semver.

License

We use a custom license, see LICENSE.md

Similar Projects

These are examples of the kinds of libraries we would like to model ourselves after.

NestedTypes : High-performance model framework, which can be used as drop-in backbonejs replacement.
mobx : Simple, scalable state management
alt : A library that facilitates the managing of state within your JavaScript applications. It is modeled after flux.
immutable.js : Immutable persistent data collections for Javascript which increase efficiency and simplicity
cls.js : Easy, dynamic (kind of mixin) javascript classes
observable-value: Object representation of mutable value

flux mutable state data dirty observable backbone relation nested model types properties react-component react reactjs reactive model frp functional-reactive-programming state management data flow

escalate ifndef lodash mobx

@infinitebrahmanuniverse/nolb-mut @everything-registry/sub-chunk-2220

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