Welshman Docs / @welshman/lib / groupBy

Function: groupBy()

groupBy<T, K>(f, xs): Map<K, T[]>

Defined in: packages/lib/src/Tools.ts:617

Groups array elements by key function

Type Parameters

T

T

K

K

Parameters

f

(x) => K

Function to generate group key

xs

T[]

Array to group

Returns

Map<K, T[]>

Map of groups