indexBy | /mod.ts | rambda@9.2.1

function indexBy

import { indexBy } from "https://deno.land/x/rambda@9.2.1/mod.ts";

indexBy<T, K extends string | number = string>(condition: (key: T) => K, list: T[]): [key in K]: T

It generates object with properties provided by condition and values provided by list array.

indexBy<T, K extends string | number | undefined = string>(condition: (key: T) => K, list: T[]): [key in NonNullable<K>]?: T

indexBy<T, K extends string | number = string>(condition: (key: T) => K): (list: T[]) => [key in K]: T

indexBy<T, K extends string | number | undefined = string>(condition: (key: T) => K | undefined): (list: T[]) => [key in NonNullable<K>]?: T

indexBy<T>(condition: string, list: T[]): { [key: string]: T; }

indexBy<T>(condition: string): (list: T[]) => { [key: string]: T; }

It generates object with properties provided by condition and values provided by list array.

If condition is a function, then all list members are passed through it.

If condition is a string, then all list members are passed through R.path(condition).

Type Parameters

optional

K extends string | number = string

Parameters

condition: (key: T) => K

list: T[]

Returns

[key in K]: T

Type Parameters

optional

K extends string | number | undefined = string

Parameters

condition: (key: T) => K

list: T[]

Returns

[key in NonNullable<K>]?: T

Type Parameters

optional

K extends string | number = string

Parameters

condition: (key: T) => K

Returns

(list: T[]) => [key in K]: T

Type Parameters

optional

K extends string | number | undefined = string

Parameters

condition: (key: T) => K | undefined

Returns

(list: T[]) => [key in NonNullable<K>]?: T

Type Parameters

Parameters

condition: string

list: T[]

Returns

{ [key: string]: T; }

Type Parameters

Parameters

condition: string

Returns

(list: T[]) => { [key: string]: T; }