uniqBy

Remove duplicate elements from the array based on a comparison function

function uniqBy<T>(arr: T[], fn: (a: T, b: T) => boolean): T[];

Usage

import { uniqBy } from 'rattail'

const arr = [{ id: 1 }, { id: 2 }, { id: 1 }]
console.log(uniqBy(arr, (a, b) => a.id === b.id)) // [{ id: 1 }, { id: 2 }]

Arguments

Arg	Description
arr	array
fn	compare function

Returns

The array after deduplication