Generated by XState Viz: https://xstate.js.org/viz

machine.js

function timer(interval, msg) {
  setInterval(() => console.log(msg), interval);
}

const initializerService = interpret(
  new Machine({
    initial: 'idle',
    states: {
      idle: {
        on: {
          INIT: {
            target: 'ready',
          },
        },
      },
      ready: {
        entry: [
          () => console.log('%cmachine initialized...', 'font-weight: bold; font-size: 12px;'),
          (_, { payload: { interval } }) => timer(interval, 'tock'),
        ],
      },
    },
  }),
).start();