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 canInProgress = (context, event) => {
    let { 
      requiresTakeFive,
      workersAssigned,
      dueDate,
      hasTakeFive
    } = context;
    
    const baseValidations = workersAssigned && dueDate;
    
    if(requiresTakeFive) {
      return baseValidations && hasTakeFive;
    }
    
    return baseValidations;
  };

  const fetchMachine = Machine({
    id: 'report_workflow',
    initial: 'created',
    context: {
      workersAssigned: true,
      dueDate: true,
      requiresTakeFive: true,
      hasTakeFive: true,
      evidence: true
    },
    states: {
      created: {
        on: {
          START_WORKING: {
            target: 'in_progress',
            cond: canInProgress
          },
          MARK_AS_COMPLETE: 'done',
          CANCEL: 'cancel'
        }
      },
      in_progress: {
        on: {
          SEND_TO_REVIEW: {
            target: 'in_review',
            cond: (context) => context.evidence
          },
          CANCEL: 'cancel'
        }
      },
      in_review: {
        on: {
          APPROVE: 'done',
          DECLINE: 'in_progress',
          CANCEL: 'cancel'
        }
      },
      done: {
        type: 'final'
      },
      cancel: {
        on: {
          RESTORE: 'created'
        }
      }
    }
  },
  {
    guards: {
      canInProgress
    }
  }
  );