objectify

97 bytes

since v12.1.0

Usage

Given an array of items, create a dictionary with keys and values mapped by given functions.

Parameters

1. array: The input array to be converted into an object.
2. getKey: A function that determines the key for each item in the array. It receives two arguments:
   • item: The current array item.
   • index: The index of the current item in the array.
3. getValue (optional): A function that determines the value for each item in the array. If not provided, the original array item is used as the value. It also receives two arguments:
   • item: The current array item.
   • index: The index of the current item in the array.

Return Value

Returns a new dictionary object where keys and values are derived from the input array using the provided mapping functions.

Example

import * as _ from 'radashi'

const fish = [
  {
    name: 'Marlin',
    weight: 105,
  },
  {
    name: 'Bass',
    weight: 8,
  },
  {
    name: 'Trout',
    weight: 13,
  },
]

_.objectify(fish, f => f.name) // => { Marlin: [marlin object], Bass: [bass object], ... }
_.objectify(
  fish,
  f => f.name,
  f => f.weight,
) // => { Marlin: 105, Bass: 8, Trout: 13 }