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 formMachine = Machine({
    id: 'form',
    initial: 'editing',
    context: {
      retries: 0,
      message: ''
    },
    states: {
      editing: {
        on: {
          SUBMIT: [
            {
              target: 'editing.message.error',
              cond: 'isMessageTooShort'
            },
            {
              target: 'submitting'
            }
          ],
          INPUT: {
            target: 'editing',
            actions: 'cache'
          }
        },
        type: 'parallel',
        states: {
          message: {
            initial: 'valid',
            states: {
              valid: {},
              error: {}
            }
          }
        }
      },
      submitting: {
        on: {
          RESOLVE: 'success',
          REJECT: 'failure'
        }
      },
      success: {
        type: 'final'
      },
      failure: {
        on: {
          RETRY: {
            target: 'submitting',
            actions: 'incrementRetry'
          }
        }
      }
    }
  }, {
    actions: {
      cache: assign((context, event) => event),
      incrementRetry: assign((context, event) => context.retries + 1)
    },
    guards: {
      isMessageTooShort: (context) => context.message.length < 10
    }
  });