How to use

getByDot

function

in

lodash

data.reduce((byKeyHere, current) => {
   Object.keys(requiredKeyMappings).forEach(key => {
    byKeyHere[key] = byKeyHere[key] || {}
    const keyHere = getByDot(current, key)

    if (keyHere) {
     if (Array.isArray(keyHere)) {
      if (!requiredKeyMappings[key].asArray) {
       mapDataWithId(byKeyHere, key, keyHere[0], current)
      } else {
       keyHere.forEach(hereKey => mapDataWithId(byKeyHere, key, hereKey, current))
      }
     } else {
      mapDataWithId(byKeyHere, key, keyHere, current)
     }
    }
   })

   return byKeyHere
  }, {})

Promise.all(requests)
   .then(responses => {
    responses.forEach((response, index) => {
     const include = includes[index]
     const relatedItems = response.data || response

     data.forEach(item => {
      const keyHere = getByDot(item, include.keyHere)

      if (keyHere) {
       if (Array.isArray(keyHere)) {
        if (!include.asArray) {
         setByDot(item, include.nameAs, getRelatedItems(keyHere[0], relatedItems, include))
        } else {
         setByDot(item, include.nameAs, getRelatedItems(keyHere, relatedItems, include))
        }
       } else {
        setByDot(item, include.nameAs, getRelatedItems(keyHere, relatedItems, include))
       }
      }
     })
    })
    return Promise.resolve(context)
   })

  const keyThereVal = getByDot(nestedItem, nestedProp)
  return keyThereVal
 })
} else {
 const keyThereVal = getByDot(currentItem, keyThere)
 currentId = keyThereVal