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Typescript/Javascript implementation of Sodium FRP (Functional Reactive Programming) library
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reduced how often collect cycles is called
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README.md

Build Status npm version Bower version Downloads

Sodium

A Functional Reactive Programming (FRP) library for TypeScript/JavaScript

Examples

Here are some demos from the community you can try in your browser:

Prerequisite: Node.js

Install Node.js® and npm if they are not already on your machine.

Installation

via NPM

$> npm install sodiumjs
$> npm install -g sodiumjs

via Yarn

$> yarn add sodiumjs
$> yarn global add sodiumjs

via html include

<script src="https://cdn.jsdelivr.net/npm/sodiumjs/dist/sodium.umd.min.js"></script>

this requires also including sanctuary-type-classes and typescript-collections dependencies

How to use

Import

import { Cell } from 'sodiumjs';

ES6

const c = new Cell(12);

TypeScript

const c = new Cell<number>(12);

In a browser

<script>
    var cell = new Sodium.Cell(12);
</script>

Development

The usual npm run build/test/clean commands are available to produce the distribution package.

However, a more comfortable iteration style may be using the the live integration testing approach:

  1. cd src/tests/integration
  2. npm run dev:auto-reload (or just npm run dev without live reloading)

This starts up a local development server and showcases integration with a webpack app.

Changes to the core lib are then seen live since it uses a local alias rather than reference the lastest build or distribution of the library

Sodium library code is in src/lib

Packaging/tree-shaking and bundling of the library is done with Rollup

Testing is via Jest

License

Distributed under BSD 3-Clause

Announcement

Stephen Blackheath, 9 Jul 2016

I am very happy to announce that the Typescript implementation of Sodium is ready!

It features a newly developed scheme for memory management, which was needed because Javascript has no finalizers. Memory management in Sodium is 100% automatic.

This scheme imposes one small requirement on the API: You must declare any Sodium objects held inside closures using wrapper functions lambda1, lambda2 .. lambda6 - depending on the number of arguments that the closure has. These take a second argument, which is a list of the Sodium objects contained in the context of the closure. For example:

csw = csw_str.map(lambda1(sw => sw == "sa" ? sa : sb, [sa, sb])),

This allows Sodium to track all dependencies. There are some limitations to this scheme - for example, it can't track dependencies if you poke arbitrary Sodium objects into a StreamSink, but I think these should not affect any normal usages. Time will tell.

CHANGELOG

1.0.5 Migrate build environment over to fuse-box. Begin adding fantasy-land compatibility

1.0.0 Add snapshot3(), snapshot4(), snapshot5() and snapshot6(). Fix a serious bug in TimerSystem where timers sometimes don't fire.

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