11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ci 31cb0ef41Sopenharmony_ciconst common = require('../common.js'); 41cb0ef41Sopenharmony_ciconst util = require('util'); 51cb0ef41Sopenharmony_ci 61cb0ef41Sopenharmony_ciconst bench = common.createBenchmark(main, { 71cb0ef41Sopenharmony_ci method: ['spread', 'assign', '_extend'], 81cb0ef41Sopenharmony_ci count: [5, 10, 20], 91cb0ef41Sopenharmony_ci n: [1e6], 101cb0ef41Sopenharmony_ci}); 111cb0ef41Sopenharmony_ci 121cb0ef41Sopenharmony_cifunction main({ n, context, count, rest, method }) { 131cb0ef41Sopenharmony_ci 141cb0ef41Sopenharmony_ci const src = {}; 151cb0ef41Sopenharmony_ci for (let n = 0; n < count; n++) 161cb0ef41Sopenharmony_ci src[`p${n}`] = n; 171cb0ef41Sopenharmony_ci 181cb0ef41Sopenharmony_ci let obj; 191cb0ef41Sopenharmony_ci 201cb0ef41Sopenharmony_ci switch (method) { 211cb0ef41Sopenharmony_ci case '_extend': 221cb0ef41Sopenharmony_ci bench.start(); 231cb0ef41Sopenharmony_ci for (let i = 0; i < n; i++) 241cb0ef41Sopenharmony_ci obj = util._extend({}, src); 251cb0ef41Sopenharmony_ci bench.end(n); 261cb0ef41Sopenharmony_ci break; 271cb0ef41Sopenharmony_ci case 'assign': 281cb0ef41Sopenharmony_ci bench.start(); 291cb0ef41Sopenharmony_ci for (let i = 0; i < n; i++) 301cb0ef41Sopenharmony_ci obj = Object.assign({}, src); 311cb0ef41Sopenharmony_ci bench.end(n); 321cb0ef41Sopenharmony_ci break; 331cb0ef41Sopenharmony_ci case 'spread': 341cb0ef41Sopenharmony_ci bench.start(); 351cb0ef41Sopenharmony_ci for (let i = 0; i < n; i++) 361cb0ef41Sopenharmony_ci obj = { ...src }; // eslint-disable-line no-unused-vars 371cb0ef41Sopenharmony_ci bench.end(n); 381cb0ef41Sopenharmony_ci break; 391cb0ef41Sopenharmony_ci default: 401cb0ef41Sopenharmony_ci throw new Error('Unexpected method'); 411cb0ef41Sopenharmony_ci } 421cb0ef41Sopenharmony_ci} 43