current/benchmark/misc/arguments.js
'use strict';
const { createBenchmark } = require('../common.js');
const { format } = require('util');
const methods = [
'restAndSpread',
'argumentsAndApply',
'restAndApply',
'predefined',
];
const bench = createBenchmark(main, {
method: methods,
n: [1e6]
});
function usingRestAndSpread(...args) {
format(...args);
}
function usingRestAndApply(...args) {
format.apply(null, args);
}
function usingArgumentsAndApply() {
format.apply(null, arguments);
}
function usingPredefined() {
format('part 1', 'part', 2, 'part 3', 'part', 4);
}
function main({ n, method, args }) {
let fn;
switch (method) {
case 'restAndSpread':
fn = usingRestAndSpread;
break;
case 'restAndApply':
fn = usingRestAndApply;
break;
case 'argumentsAndApply':
fn = usingArgumentsAndApply;
break;
case 'predefined':
fn = usingPredefined;
break;
default:
throw new Error(`Unexpected method "${method}"`);
}
bench.start();
for (let i = 0; i < n; i++)
fn('part 1', 'part', 2, 'part 3', 'part', 4);
bench.end(n);
}