is-empty-object.mjs

   1 import Benchmark from 'benny'
   2
   3 import { generateRandomObject } from './benchmark-utils.mjs'
   4
   5 const object = generateRandomObject()
   6
   7 Benchmark.suite(
   8   `Is empty object with ${Object.keys(object).length} keys`,
   9   Benchmark.add('Reflect keys', (obj = object) => {
  10     return obj?.constructor === Object && Reflect.ownKeys(obj).length === 0
  11   }),
  12   Benchmark.add('Keys iteration', (obj = object) => {
  13     if (obj?.constructor !== Object) return false
  14     // Iterates over the keys of an object, if
  15     // any exist, return false.
  16     // eslint-disable-next-line no-unreachable-loop
  17     for (const _ in obj) return false
  18     return true
  19   }),
  20   Benchmark.add('Object keys', (obj = object) => {
  21     return obj?.constructor === Object && Object.keys(obj).length === 0
  22   }),
  23   Benchmark.cycle(),
  24   Benchmark.complete(),
  25   Benchmark.save({
  26     file: 'is-empty-object',
  27     format: 'json',
  28     details: true
  29   }),
  30   Benchmark.save({
  31     file: 'is-empty-object',
  32     format: 'chart.html',
  33     details: true
  34   }),
  35   Benchmark.save({
  36     file: 'is-empty-object',
  37     format: 'table.html',
  38     details: true
  39   })
  40 ).catch(console.error)