Radash
  1. Array
  2. group

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Basic usage

Given an array of items, group will build up an object where each key is an array of the items that belong in that group. Generally, this can be useful to categorize an array.

import { group } from 'radash'

const fish = [
  {
    name: 'Marlin',
    source: 'ocean'
  },
  {
    name: 'Bass',
    source: 'lake'
  },
  {
    name: 'Trout',
    source: 'lake'
  }
]

const fishBySource = group(fish, f => f.source) // => { ocean: [marlin], lake: [bass, trout] }