export function mapToList()

in src/core/utils.js [212:239]

• 23 lines of code
• 7 McCabe index (conditional complexity)

export function mapToList(map, keyNames="key", collectedKeys=Im.Map()) {
  if(!Im.Map.isMap(map) || !map.size) {
    return Im.List()
  }

  if(!Array.isArray(keyNames)) {
    keyNames = [ keyNames ]
  }

  if(keyNames.length < 1) {
    return map.merge(collectedKeys)
  }

  // I need to avoid `flatMap` from merging in the Maps, as well as the lists
  let list = Im.List()
  let keyName = keyNames[0]
  for(let entry of map.entries()) {
    let [key, val] = entry
    let nextList = mapToList(val, keyNames.slice(1), collectedKeys.set(keyName, key))
    if(Im.List.isList(nextList)) {
      list = list.concat(nextList)
    } else {
      list = list.push(nextList)
    }
  }

  return list
}