Statecharts

Statecharts are a precise, visual way of modeling the behaviour of complex reactive systems. They describe how things work, and can help you get your code doing exactly what you want.

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Veroni

·3h# General

How can I pass params o function?

Hi I got problem with params. I would like to send userID to a functions but in event i have a object. I'm using : send("SUBMIT", "user ID");

Chester Heng

·11h# General

Display javascript object with react-table

Hi, I know it is possible to display an array of objects in the react-table? Is it possible for me to display an object as in a react-table? example: const obj = { a: 1, b: 2 }; …

Tim Tawan

·11h# General

Planning to refactor state management for a whole application to xstate.

Any red flags for the current version?

James Andrew

·23h# General

This XState Visualizer is awesome. Can it do real-time?

Might it be possible to embed it in my code so that, while debugging, I can see my machine shift states in real-time as events flow through it? This would be so good.

Daniel Lenarduzzi

·1d# General

Defining events with data

Hello! Probably it's a typescript question but I kept fighting with that several hours, I did a search here and didn't find any similar question, but sorry if there is. Here is the thing: I want so send some event with data through a service. This service will be only called by…

Derek Lindahl

·2d# General

Is there a way to cleanup some state when a machine is stopped?

I'm using the useMachine React hook and when my component unmounts, I'd like to clean up some side-effects that my Machine made. I tried using a useEffect hook to send a CANCEL event to my machine, but Xstate complains that it has already reached a final state and has stopped. I…

Daniel K.

·2d# General

@xstate/test and dynamic input to the SUT

Entry in DB has an enum-based "phase" of 8 different string values. There are rules when can be each of those phases reached. It sounds like an obvious candidate for model-based testing. The SUT here is a serverless function that handles the request and receives the ID of entry…

Nazmi

·2d# General

Don't do this!

i need to tell my next state the media type, video or photo. when user selects to take photo, i send this, send('SELECT_MEDIA', {type: 'openCamera'}) …

Anton

·3d# General

Heartbeat Service in xstate

Hello everyone, Admittedly new to xstate but I feel like a component within our codebase is a great use case for a state machine. I have setup what I want to happen in the visualiser. There's a particular part I'm stuck on however. We have a live state. This will affect the UI's…

Johnny Noble

·4d# General

Invoked promise resolves, but the machine does not change state

I have a machine and I'm invokeing a promise. This promise is a Userbase .signIn() event. Console.logging in .then() tells me that this event resolves, but the machine does not move on from its current state. I've confirmed, using a mock promise, that the machine configuration…