is-empty-object.mjs

   1 import _ from 'lodash'
   2 import { isEmpty } from 'rambda'
   3 import { bench, group, run } from 'tatami-ng'
   4
   5 import { generateRandomObject } from './benchmark-utils.mjs'
   6
   7 const object = generateRandomObject()
   8
   9 group(`Is empty object with ${Object.keys(object).length} keys`, () => {
  10   bench('Reflect keys', (obj = object) => {
  11     return obj?.constructor === Object && Reflect.ownKeys(obj).length === 0
  12   })
  13   bench('Keys iteration', (obj = object) => {
  14     if (obj?.constructor !== Object) return false
  15     // Iterates over the keys of an object, if
  16     // any exist, return false.
  17     // eslint-disable-next-line no-unreachable-loop
  18     for (const _ in obj) return false
  19     return true
  20   })
  21   bench('Object keys', (obj = object) => {
  22     return obj?.constructor === Object && Object.keys(obj).length === 0
  23   })
  24   bench('lodash isEmpty', (obj = object) => {
  25     _.isEmpty(obj)
  26   })
  27   bench('rambda isEmpty', (obj = object) => {
  28     isEmpty(obj)
  29   })
  30 })
  31
  32 await run({
  33   units: true
  34 })