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

machine.js

const channelMachine = Machine({
  initial: 'joining',
  states: {
    joining: {
    },

    joined: {
      on: {
        // Error thrown: TypeError: Cannot read  property 'target' of null
        // JOINED: null
        JOINED: undefined
      }
    },

    done: {
      type: 'final'
    }
  },

  on: {
    JOINED: {
      target: 'joined',
      actions: sendParent('CHANNEL_JOINED')
    }
  }
})