cut-potato v1.0.0

Cut Potato

A generic version of reduce

Introduction

The problem of reduce

In traditional reduce, the target to be reduced must be an array or array like, this is limited.

The Cut Potato pattern

The Cut Potato pattern let you reduce anything.

Imagine you are cutting a potato into slices and put them into a bowl, beside you is your mother, watching the current potato and will stop you when she feels it is enough.

Install

npm install cut-potato

Usage

const cutPotato = require('cut-potato')

const bowl = cutPotato(potato, cut, mother)

See The Cut Potato Pattern to know the algorithm.

API

type Potato = any
type Slice = any
type Bowl = Slice[]

type CutFn = (curPotato: Potato, curBowl: Bowl) => [nextPotato: Potato, slice: Slice]
type MotherFn = (curPotato: Potato, curBowl: Bowl) => shouldStop: bool
type CutPotatoFn = (potato: Potato, cut: CutFn, mother: MotherFn) => bowl: Bowl

(cutPotato: CutPotatoFn)

License

MIT