Function groupBy

Creates an object composed of keys generated from the results of running each element of array through iteratee.

groupBy<Item>(
array: Item[],
iteratee: Iteratee<Item>,
): Record<string | number | symbol, Item[]>
Type Parameters
- Item
  Type of the array elements.
Parameters
- array: Item[]
  The collection to iterate over.
- iteratee: Iteratee<Item>
  The iteratee to transform keys.
Returns Record<string | number | symbol, Item[]>
The composed aggregate object.
- Defined in src/array/group-by.ts:17