is-empty-object.mjs

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