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

machine.js

const countMachine = Machine({
  id: 'doubleCounter',
  initial: 'idle',
  context: {
    count: 0
  },
  states: {
    idle: {
      on: {
        INC_COUNT_TWICE: {
          actions: [
            ctx => console.log('before', ctx.count) ,
            'incCount',
            'incCount',
            ctx => console.log('after', ctx.count)
          ]
        }
      }
    }
  }
}, {
  incCount: assign({
    count: context => context.count + 1
  })
})