and support for mapping function

[Guria]

Original problem

import compute from 'cerebral-module-entities/compute'

export function groupProjects(path) {
  return function (get) {
    return (get(compute('entities.groupProjects', path)) || []).map((project) => { 
      ...project,
      key: 'val'
    })
  }
}

Suggestions

support 3 signatures:
compute(entityType, pathToIdsList, relations)
compute(entityType, pathToIdsList, mapFunction)
compute(entityType, pathToIdsList, relations, mapFunction)

Or we have to use an object instead

compute({
  type,
  path,
  relations,
  map
})