Function groupBy

groupBy<K, T>(items, keyOf): Map<K, T[]>
Type Parameters
- K
- T
Parameters
- items: Iterable<T>
- keyOf: ((item) => K)
  - - (item): K
    - Parameters
      item: T
      Returns K
Returns Map<K, T[]>
- Defined in packages/test/src/common/collections.ts:211