async-fsm.js

a finite state machine implementation

Quick Start

npm i async-fsm.js

Test

npm run test

Features

• asynchronous onEnter, onLeave hooks
• asynchronous check if operation is available
• available operations
• comprehensive error checking

Example

const { Fsm } = require('async-fsm.js')
const fsm = new Fsm()
  .addState(new State("started")
    .routes({
      finish: "ended",
    })
  )
  .addState("ended");

const fsmInstance = fsm.createInstance("started").bundle({ foo: "abc" });
await fsmInstance.perform('finish');
expect(fsmInstance.state.name).toBe('ended');

please check test for more examples.