Pausing Async fetching

gistfile1.txt

// Method 1
planList()
  .then((planRes) => {
    return planRes.data.plan
    // locals.addOnUrlList = planRes.data.plan.map(obj => _.pick(obj, 'add_ons').add_ons.href)
    // done()
  })
  .then((planListRes) => {
    locals.planList = planListRes
    const promises = planListRes.map(item => planAddonList(item.add_ons.href.split('/v2/')[1]))
    return Promise.all(promises)
  })
  .then((addOnListRes) => {
    addOnListRes.forEach((v) => {
      locals.addOnList.push(v.data)
    })
    done()
  })
  .catch((planErr) => {
    done(errorMsg(planErr))
  })

// Method 2
function (done) {
  locals.addOnList = []
  async function fetchAddons() {
    // list of promise
    const addOnListPromise = locals.planList.map(async (item) => {
      try {
        return await planAddonList(item.add_ons.href.split('/v2/')[1])
      } catch (error) {
        done(errorMsg(error))
        return
      }
    })
    try {
      const fullResAddOnList = await Promise.all(addOnListPromise)
      fullResAddOnList.forEach(v => {
        locals.addOnList.push(v.data)
      })
    } catch (error) {
      done(errorMsg(error))
    }
    done()
  }
  fetchAddons()
},