mirror of https://github.com/nodejs/node.git
50 lines
1012 B
JavaScript
50 lines
1012 B
JavaScript
'use strict';
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const common = require('../common.js');
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const bench = common.createBenchmark(main, {
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method: ['normal', 'destructureObject'],
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n: [1e8]
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});
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function runNormal(n) {
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var i = 0;
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const o = { x: 0, y: 1 };
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bench.start();
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for (; i < n; i++) {
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/* eslint-disable no-unused-vars */
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const x = o.x;
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const y = o.y;
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const r = o.r || 2;
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/* eslint-enable no-unused-vars */
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}
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bench.end(n);
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}
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function runDestructured(n) {
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var i = 0;
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const o = { x: 0, y: 1 };
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bench.start();
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for (; i < n; i++) {
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/* eslint-disable no-unused-vars */
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const { x, y, r = 2 } = o;
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/* eslint-enable no-unused-vars */
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}
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bench.end(n);
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}
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function main({ n, method }) {
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switch (method) {
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case '':
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// Empty string falls through to next line as default, mostly for tests.
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case 'normal':
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runNormal(n);
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break;
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case 'destructureObject':
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runDestructured(n);
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break;
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default:
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throw new Error(`Unexpected method "${method}"`);
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}
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}
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