@simple-state-machine/core NPM

Simple State Machine

Installation

   npm i @simple-state-machine/core

Quick glance

A simplest state machine can be a "Light<>Dark" Mode toggling. On click of button is toggle from light to dark or vice versa.
State diagram looks something like this for it:

Code for the above machine using the library looks like

   import {createState, createEvents, createContext, MachineConfig} from 'simple-state-machine'

   const states = createStates('light', 'dark');
   const events = createEvents('TOGGLE');
   const context = createContext({});

   const ThemeMachine = new MachineConfig(states, context, events);

   const {whenIn} = ThemeMachine;
   whenIn('light').on('TOGGLE').moveTo('dark');
   whenIn('dark').on('TOGGLE').moveTo('light');