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Module

x/rambda/immutable.d.ts>groupBy

Faster and smaller alternative to Ramda
Latest
function groupBy
import { groupBy } from "https://deno.land/x/rambda@9.4.1/immutable.d.ts";

It splits list according to a provided groupFn function and returns an object.

Type Parameters

T
optional
K extends string = string

Parameters

fn: (a: T) => K

Returns

(list: readonly T[]) => Partial<Record<K, readonly T[]>>

Type Parameters

T
optional
K extends string = string

Parameters

fn: (a: T) => K
list: readonly T[]

Returns

Partial<Record<K, readonly T[]>>