shallow-clone-object.js

   1 /* eslint-disable no-unused-vars */
   2 const Benchmark = require('benny')
   3 const { generateRandomInteger } = require('./benchmark-utils')
   4 const _ = require('lodash')
   5
   6 const size = generateRandomInteger(500)
   7 const testObject = {}
   8 for (let i = 0; i < size; i++) {
   9   testObject[i.toString()] = i
  10 }
  11
  12 Benchmark.suite(
  13   `Shallow clone object with ${size} keys`,
  14   Benchmark.add('Spread', (obj = testObject) => {
  15     const objClone = { ...obj }
  16   }),
  17   Benchmark.add('Object assign', (obj = testObject) => {
  18     const objClone = Object.assign({}, obj)
  19   }),
  20   Benchmark.add('lodash clone', (obj = testObject) => {
  21     const objClone = _.clone(obj)
  22   }),
  23   Benchmark.cycle(),
  24   Benchmark.complete(),
  25   Benchmark.save({
  26     file: 'shallow-clone-object',
  27     format: 'json',
  28     details: true
  29   }),
  30   Benchmark.save({
  31     file: 'shallow-clone-object',
  32     format: 'chart.html',
  33     details: true
  34   }),
  35   Benchmark.save({
  36     file: 'shallow-clone-object',
  37     format: 'table.html',
  38     details: true
  39   })
  40 )