xstate example

const machineConfig = {
  id: 'signIn',
  initial: 'dataEntry',
  states: {
    dataEntry: {
      on: {
        ENTER_EMAIL: {},
        ENTER_PASSWORD: {},
        EMAIL_BLUR: {},
        PASSWORD_BLUR: {},
        SUBMIT: {
          target: 'awaitingResponse',
        },
      },
    },
    awaitingResponse: {},
    emailErr: {
      on: {
        ENTER_EMAIL: {
          target: 'dataEntry',
        },
      },
    },
    passwordErr: {
      on: {
        ENTER_PASSWORD: {
          target: 'dataEntry',
        },
      },
    },
    serviceErr: {
      on: {
        SUBMIT: {
          target: 'awaitingResponse',
        },
      },
    },
    signedIn: {},
  },
};

export default machineConfig;