'use strict'; const common = require('../common.js'); const bench = common.createBenchmark(main, { method: ['normal', 'destructureObject'], n: [1e8], }); function runNormal(n) { const o = { x: 0, y: 1 }; bench.start(); for (let i = 0; i < n; i++) { /* eslint-disable no-unused-vars */ const x = o.x; const y = o.y; const r = o.r || 2; /* eslint-enable no-unused-vars */ } bench.end(n); } function runDestructured(n) { const o = { x: 0, y: 1 }; bench.start(); for (let i = 0; i < n; i++) { /* eslint-disable no-unused-vars */ const { x, y, r = 2 } = o; /* eslint-enable no-unused-vars */ } bench.end(n); } function main({ n, method }) { switch (method) { case 'normal': runNormal(n); break; case 'destructureObject': runDestructured(n); break; default: throw new Error(`Unexpected method "${method}"`); } }