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

machine.js

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)
  
  const fetchMachine = Machine({
  id: "signIn",
  initial: "edit",
  states: {
    edit: {
      type: "parallel",
      states: {
        inputError: {
          initial: "none",
          states: { none: {}, error: {} }
        },
        submitError: {
          initial: "none",
          states: { none: {}, error: {} }
        }
      },
      on: {
        SUBMIT: "validate",
        INPUT: {
          actions: "onInput"
        },
        ERROR: [
          {
            target: ".inputError.error",
            actions: "setInputError",
            cond: "hasInputError"
          },
          {
            target: ".inputError.none"
          }
        ],
      }
    },
    validate: {
      on: {
        SIGN_IN: "signIn",
        ERROR: {
          target: "edit.submitError.error",
          actions: "setValidationError"
        }
      }
    },
    signIn: {
      invoke: {
        src: "signIn",
        onDone: {
          actions: "setUser",
          target: "resolved"
        },
        onError: {
          target: "edit.submitError.error",
          actions: assign({
            error: (_, event) => {
              const message = event.data?.message || event.data;
              return { cross_field: [message] };
            }
          })
        }
      }
    },
    resolved: {
      type: "final"
    }
  },
}, {
guards: {
  hasInputError: (context, event) => {
    return Math.random() < 0.5;
  }     
}});