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flux

by facebook

facebook /flux

Application Architecture for Building User Interfaces

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Flux

An application architecture for React utilizing a unidirectional data flow.

Getting Started

Start by looking through the guides and examples on Github. For more resources and API docs check out facebook.github.io/flux.

How Flux works

For more information on how Flux works check out the Flux Concepts guide, or the In Depth Overview.

Requirements

Flux is more of a pattern than a framework, and does not have any hard dependencies. However, we often use EventEmitter as a basis for

Stores

and React for our

Views

. The one piece of Flux not readily available elsewhere is the

Dispatcher

. This module, along with some other utilities, is available here to complete your Flux toolbox.

Installing Flux

Flux is available as a npm module, so you can add it to your package.json file or run

npm install flux

. The dispatcher will be available as

Flux.Dispatcher

and can be required like this:

const Dispatcher = require('flux').Dispatcher;

Take a look at the dispatcher API and some examples.

Flux Utils

We have also provided some basic utility classes to help get you started with Flux. These base classes are a solid foundation for a simple Flux application, but they are not a feature-complete framework that will handle all use cases. There are many other great Flux frameworks out there if these utilities do not fulfill your needs.

import {ReduceStore} from 'flux/utils'; class CounterStore extends ReduceStore<number> {
  getInitialState(): number {
    return 0;
  }

  reduce(state: number, action: Object): number {
    switch (action.type) {
      case 'increment':
        return state + 1;

      case 'square':
        return state * state;

      default:
        return state;
    }
  }
}
</number>

Check out the examples and documentation for more information.

Building Flux from a Cloned Repo

Clone the repo and navigate into the resulting

flux

directory. Then run

npm install

.

This will run Gulp-based build tasks automatically and produce the file Flux.js, which you can then require as a module.

You could then require the Dispatcher like so:

const Dispatcher = require('path/to/this/directory/Flux').Dispatcher;

The build process also produces de-sugared versions of the

Dispatcher

and

invariant

modules in a

lib

directory, and you can require those modules directly, copying them into whatever directory is most convenient for you. The flux-todomvc and flux-chat example applications both do this.

Join the Flux community

See the CONTRIBUTING file for how to help out.

License

Flux is BSD-licensed. We also provide an additional patent grant.

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