Statepack — Serializable state machines

machine.json

{
  "id": "toggle",
  "initial": "off",
  "states": {
    "off": {
      "on": {
        "TOGGLE": "on"
      }
    },
    "on": {
      "on": {
        "TOGGLE": "off"
      }
    }
  }
}

State graph

CURRENT STATEoff

CONTEXT{}

EVENTS

One event. Two states. Try TOGGLE.

Event payload optional

TRANSITION LOG

THE DEFINITION

States, transitions, guards, and mutations are plain data. JSONata expressions handle dynamic values.

THE RUNTIME

Validate, compile, then interpret. This playground runs the same TypeScript engine in your browser.

Inspect the implementation ↗

State machines you can serialize.

State machines
you can serialize.