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: 'agreementSummary',
    initial: 'idle',
    context: {
      text: '',
      error: null
    },
    states: {
      idle: {
        on: {
          EDIT: { target: 'editing' },
          CREATE: { target: 'creating' }
        }
      },
      editing: {
        on: {
          UPDATE_TEXT: {
            actions: assign({
              text: (_, event) => event.text
            })
          },
          SUBMIT: {
            target: 'loading',
            cond: 'hasText'
          },
          CANCEL: {
            target: 'idle',
            actions: assign({
              text: ''
            })
          }
        }
      },
      creating: {
        on: {
          UPDATE_TEXT: {
            actions: assign({
              text: (_, event) => event.text
            })
          },
          SUBMIT: {
            target: 'loading',
            cond: 'hasText'
          },
          CANCEL: {
            target: 'idle',
            actions: assign({
              text: ''
            })
          }
        }
      },
      loading: {
        invoke: {
          id: 'saveItem',
          src: (context, event) =>
            fetch('https://dog.ceo/api/breeds/image/random').then((data) =>
              data.json()
            ),
          onDone: {
            target: 'success',
            actions: assign({
              text: 'new item'
            })
          },
          onError: {
            target: 'failure',
            actions: assign({
              error: 'error message'
            })
          }
        },
      },
      success: {
        type: 'final'
      },
      failure: {
        on: {
          RETRY: {
            target: 'loading',
          }
        }
      }
    }
  }, {
    guards: {
      hasText: ({ text }) => text.length > 0
    }
  });