Function partition

Creates an array of elements split into two groups, the first of which contains elements predicate returns truthy for, the second of which contains elements predicate returns falsey for. The predicate is invoked with one argument: (value).

Since

5.11.0

See

[[groupBy]], [[keyBy]]

Example

const users = [
  { 'user': 'barney',  'age': 36, 'active': false },
  { 'user': 'fred',    'age': 40, 'active': true },
  { 'user': 'pebbles', 'age': 1,  'active': false }
]

partition(users, ({ active }) => active)
// => objects for [['fred'], ['barney', 'pebbles']]
Copy