attempt_at_secondPromiseSet.js

// Original, before trying something at line 23.
router.get('/timesheets', (req, res) => {
 
  return Promise.try(() => {
    return Api_fns.getAllTimesheets();
  }).then((timesheets) => {
 
    return Promise.map(timesheets, (timesheet) => {
      return Promise.all([
        Api_fns.getEmployee_by_id(timesheet['emp_accepted_by']), /*  emp completing the task */
        Api_fns.getActivity_by_id(timesheet['activity_id']),
 
 
        // these we do in next round:
        // Api_fns.getActivityType_by_activity_code(timesheet['activity_code']),  activity type info: such as 'painting', by code (i.e. activity_code is basically activity type's uniqueID)
        // Api_fns.getLocation_by_project_id(timesheet['project_id']), /* work-activity location info by for employee (activity's project id) */
        // Api_fns.getProjectMgr_by_project_id(timesheet['project_id'])
      ]).spread(( employee_acceptedBy, timesheet_activityData) => {
        return {  employee_acceptedBy, timesheet_activityData }
      });
 
      }).then((data) => {
 
        // do stuff with data
       
      return {data}
      }).then((data)=>{
        // console.log('data in scope?', data)
            res.status(200).json(data);
         
      })
  })
  
  
  // After...
  
  router.get('/timesheets', (req, res) => {

 
  return Promise.try(() => {
    return Api_fns.getAllTimesheets();
  }).then((timesheets) => {

    return Promise.map(timesheets, (timesheet) => {
      return Promise.all([
        Api_fns.getEmployee_by_id(timesheet['emp_accepted_by']), /*  emp completing the task */
        Api_fns.getActivity_by_id(timesheet['activity_id']),
        
      ]).spread(( employee_acceptedBy, timesheet_activityData) => {
        return {  employee_acceptedBy, timesheet_activityData }
      });

      }).then((data) => {
      
      return Promise.map(data, (datapoint) => {
        console.log('datapoint.timesheet_activityData[0].activity_code',datapoint.timesheet_activityData[0].activity_code)
        return Promise.all([
          Api_fns.getActivityType_by_activity_code(datapoint.timesheet_activityData[0].activity_code)
        ])
      })
      
      }).then((data)=>{
        data.map((curr, i)=>{
          // console.log(curr)
          curr.map((curr2, i2)=>{
            // console.log(curr2)
            curr2.map((curr3,i3)=>{
              console.log(curr3.activity_type)
            })
          })
        })
        // console.log('data in scope?', data)
            // res.status(200).json(data);

      })
  })

});


// Terminal output:
datapoint.timesheet_activityData[0].activity_code 1
datapoint.timesheet_activityData[0].activity_code 3
indoor painting
indoor carpentry