https://github.com/wmfs/asl-choice-processor

For determining the next state given an Amazon States Language "Choices" definition and a set of values.
https://github.com/wmfs/asl-choice-processor

amazon-states-language package tymly

Last synced: 3 months ago
JSON representation

For determining the next state given an Amazon States Language "Choices" definition and a set of values.

• Host: GitHub
• URL: https://github.com/wmfs/asl-choice-processor
• Owner: wmfs
• License: mit
• Created: 2018-06-11T09:07:56.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2024-09-28T01:25:49.000Z (4 months ago)
• Last Synced: 2024-10-14T06:52:25.936Z (3 months ago)
• Topics: amazon-states-language, package, tymly
• Language: JavaScript
• Homepage:
• Size: 301 KB
• Stars: 2
• Watchers: 7
• Forks: 1
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# asl-choice-processor

[![Tymly Package](https://img.shields.io/badge/tymly-package-blue.svg)](https://tymly.io/) [![npm (scoped)](https://img.shields.io/npm/v/@wmfs/asl-choice-processor.svg)](https://www.npmjs.com/package/@wmfs/asl-choice-processor) [![CircleCI](https://circleci.com/gh/wmfs/asl-choice-processor.svg?style=svg)](https://circleci.com/gh/wmfs/asl-choice-processor) [![codecov](https://codecov.io/gh/wmfs/asl-choice-processor/branch/master/graph/badge.svg)](https://codecov.io/gh/wmfs/asl-choice-processor) [![CodeFactor](https://www.codefactor.io/repository/github/wmfs/asl-choice-processor/badge)](https://www.codefactor.io/repository/github/wmfs/asl-choice-processor) [![Dependabot badge](https://img.shields.io/badge/Dependabot-active-brightgreen.svg)](https://dependabot.com/) [![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/) [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com) [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/wmfs/tymly/blob/master/packages/pg-concat/LICENSE)

> For determining the next state given an Amazon States Language "Choices" definition and a set of values. 

### Useful links

* [Amazon States Language specification (Apache License, Version 2.0)](https://states-language.net/spec.html#choice-state)

* [Choice](http://docs.aws.amazon.com/step-functions/latest/dg/amazon-states-language-choice-state.html#amazon-states-language-choice-state-rules) state documentation

## Install

```bash

$ npm install asl-choice-processor --save

```

## Usage

```javascript

const choiceProcessor = require('asl-choice-processor')

const calculateNextState = choiceProcessor(

  {

    Choices: [

      {

        Variable: '$.foo',

        NumericEquals: 1,

        Next: 'FirstMatchState'

      },

      {

        Variable: '$.foo',

        NumericEquals: 2,

        Next: 'SecondMatchState'

      }

    ],

    Default: 'DefaultMatchState'

  }

)

calculateNextState( {foo: 1} ) // FirstMatchState

calculateNextState( {foo: 2} ) // SecondMatchState

calculateNextState( {foo: 3} ) // DefaultMatchState

```

## Tests

```bash

$ npm test

```

## License

[MIT](https://github.com/wmfs/tymly/packages/asl-choice-processor/blob/master/LICENSE)