Function uniqueBy

src/array.ts:77–84

(array: readonly T[], equalFn: (a: any, b: any) => boolean)

 * @category Array
 */
export function uniqueBy<T>(array: readonly T[], equalFn: (a: any, b: any) => boolean): T[] {
  return array.reduce((acc: T[], cur: any) => {
    const index = acc.findIndex((item: any) => equalFn(cur, item))
    if (index === -1)
      acc.push(cur)
    return acc
  }, [])
}

/**
 * Get last item