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: 'house-of-cards',
    
    initial: 'overview',
    
    context: {
      cards: null,
      currentCardIndex: null
    },
    
    states: {
      overview: {
        on: {
          START_QUIZ: 'quiz'
        }
      },
      
      quiz: {
        initial: 'unstarted',
        
        on: {
          CANCEL_QUIZ: 'overview'
        },

        states: {
          unstarted: {
            on: {
              START: {
                target: 'started',
                actions: ['resetCurrentCardIndex']
              }
            }
          },
          
          started: {
            on: {
              NEXT: [{
                target: 'finished',
                cond: 'isLast'
              }, {
                target: 'started',
                actions: ['incrementCurrentCardIndex']
              }],
              PREV: [{
                target: 'unstarted',
                cond: 'isFirst'
              }, {
                target: 'started',
                actions: ['decrementCurrentCardIndex']
              }]
            }
          },
          
          finished: {
            on: {
              RESTART: {
                target: 'unstarted' 
              }
            }
          }
        }
      }
    }
  });