Generated by XState Viz: https://xstate.js.org/viz, machine for memo

memoMachine.js

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)
  
  const memoMachine = Machine({
    id: 'memo',
    initial: 'idle',
    context: {
      changed: false
    },
    states: {
      idle: {
        on: {
          click: 'focused'
        }
      },
      focused: {
        id: 'focused',
        on: {
          typing: 'typing',
        },
        after: {
          300: {
            target: 'saving',
            cond: 'shouldSave'
          }
        }
      },
      typing: {
        on: {
          stop: {
            target: 'focused',
            actions: assign({
              changed: true
            })
          }
        }
      },
      saving: {
        type: 'parallel',
        states: {
          _: {
            initial: 'hi',
            states: {
              hi: {
                on: {
                  done: {
                    target: '#focused',
                    actions: assign({
                      changed: false
                    })
                  }
                }
              }
            }
            
          },
          show_message: {
            initial: 'showing',
            states: {
              showing: {
                meta: {
                  message: 'saved'
                },
                after: {
                  2000: 'hide'
                }
              },
              hide: {
                type: 'final'
              }
            }
          }
        }
      }
    }
  }, {
    guards: {
      'shouldSave': (s, eve) =>  s.changed
    }
  });