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: 'shop-deployment',
    initial: 'pending',
    context: {
      replicas: 0
    },
    states: {
      pending: {
        on: {
          BUILD: 'building',
        }
      },
      building: {
        on: {
          SUCCESS: 'sleeping',
          FAILURE: 'failed',
        }
      },
      sleeping: {
        on: {
          WAKE_UP: {
              target: 'deploying',
          },
        }
      },
      
      deploying: {
        on: {
          DONE: {
              target: 'running',
              actions: assign({
                replicas: (context, event) => 1
            })
          },
          FAILURE: 'failed'
        }
      },
      
      running: {
        on: {
          SLEEP: {
              target: 'sleeping',
              actions: assign({
                replicas: (context, event) => 0
            })
          },
          SCALE: {
              target: 'running',
              actions: assign({
                replicas: (context, event) => context.replicas + 1
            })
          }
        }
      },
      failed: {
        type: 'final'
      },
    }
  });