deep-merge-object.mjs

   1 import deepMerge from 'deepmerge'
   2 import _ from 'lodash'
   3 import { mergeDeepRight } from 'rambda'
   4 import { bench, group, run } from 'tatami-ng'
   5
   6 import { generateRandomObject } from './benchmark-utils.mjs'
   7
   8 const object = generateRandomObject()
   9 const objectToMerge = generateRandomObject()
  10
  11 group(
  12   `Deep merge two objects: object with ${
  13     Object.keys(object).length
  14   } keys, object with ${Object.keys(objectToMerge).length} keys`,
  15   () => {
  16     bench('lodash merge', (obj = object) => {
  17       _.merge(obj, objectToMerge)
  18     })
  19     bench('rambda mergeDeepRight', (obj = object) => {
  20       mergeDeepRight(obj, objectToMerge)
  21     })
  22     bench('deepmerge', (obj = object) => {
  23       deepMerge(obj, objectToMerge)
  24     })
  25   }
  26 )
  27
  28 await run({
  29   units: true,
  30 })