Function flatGroup

flatGroup<TObject, TKeys>(iterable, ...keys): [...TKeys, TObject[]][]
Equivalent to group, but returns a flat array of [key0, key1, …, values] instead of nested maps.
Type Parameters
- TObject
- TKeys extends unknown[]
Parameters
- iterable: Iterable<TObject>
  The iterable to group.
- Rest ...keys: {
  [Index in string | number | symbol]: ((value, index, values) => TKeys[Index])
  }
  The key functions.
Returns [...TKeys, TObject[]][]