Function: toGrouping()

toGrouping<TItem>(items, getKey): Grouping<TItem>

Defined in: src/compat/arrays-compat.ts:179

Maps an array into a dictionary with keys determined by specified getKey() callback, and values that are arrays containing elements for a particular key.

Type Parameters

TItem

TItem

Parameters

items

TItem[]

Array to map.

getKey

(x) => any

Function that returns key for each item.

Returns

Grouping<TItem>

Grouping object.

Example

toGrouping([1, 2, 3], x => x % 2 == 0 ? "even" : "odd"); // { odd: [1, 3], even: [2] }