import { union as unionToolkit } from 'es-toolkit'; import { union as unionLodash } from 'lodash'; import { bench, describe } from 'vitest'; describe('union', () => { bench('es-toolkit/union', () => { const array1 = [1, 2, 3]; const array2 = [3, 4, 5]; unionToolkit(array1, array2); }); bench('lodash/union', () => { const array1 = [1, 2, 3]; const array2 = [3, 4, 5]; unionLodash(array1, array2); }); });