minBy

Find the minimum value in an array based on the result of applying a function to each element. If the array is empty, undefined is returned.

Usage

import { minBy } from 'rattail'

minBy([{ n: 5 }, { n: 2 }, { n: 8 }], ({ n }) => n)
// return { n: 2 }

Arguments

Arg	Type	Defaults
arr	T[]
fn	(val: T) => number

Return

Type
T | undefined