Description

Features

Core Concepts

Example Usage

import{Machine}from"ts-async-state-machine";// Create your MachineconstMicrowaveMachine=newMachine('Microwave');// Add States to the MachineMicrowaveMachine.addState('off',['running'],{onBeforeEnter:(prevState)=>newPromise((resolve,rejection)=>{// use a server APi request to 'confirm' the state changeresolve();// resolves the state transition - changes 'MicrowaveMachine's state to 'off'// a 'rejection' will fail the internal state transition})});MicrowaveMachine.addState('on',['off'],{// callbacks are optional and use them as needed: 'onEnter', 'onExit', 'onBeforeEnter' as optionsonExit:()=>{console.log('Exited ON state')}});MicrowaveMachine.addState('running',['on'],{onEnter:()=>{console.log('Entered RUNNING State')}});// Initialise into your required starting stateMicrowaveMachine.start('off');// Start Triggering State changes when neccessaryMicrowaveMachine.transition('on').then(newState=>{console.log('Entered State',newState.name)});// omitted 'catch' for brevityMicrowaveMachine.transition('running').then(newState=>{console.log('Entered State',newState.name)});

Examples

Development

Credits