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'use strict';
const fs = require('fs');
const path = require('path');
const common = require('../common.js');
const tmpdir = require('../../test/common/tmpdir');
const benchmarkDirectory = path.join(tmpdir.path, 'nodejs-benchmark-module');
const bench = common.createBenchmark(main, {
type: ['.js', '.json', 'dir'],
n: [1e4],
});
function main({ type, n }) {
tmpdir.refresh();
createEntryPoint(n);
switch (type) {
case '.js':
measureJSFile(n);
break;
case '.json':
measureJSONFile(n);
break;
case 'dir':
measureDir(n);
}
tmpdir.refresh();
}
function measureJSFile(n) {
bench.start();
for (let i = 0; i < n; i++) {
require(`${benchmarkDirectory}/${i}`);
}
bench.end(n);
}
function measureJSONFile(n) {
bench.start();
for (let i = 0; i < n; i++) {
require(`${benchmarkDirectory}/json_${i}.json`);
}
bench.end(n);
}
function measureDir(n) {
bench.start();
for (let i = 0; i < n; i++) {
require(`${benchmarkDirectory}${i}`);
}
bench.end(n);
}
function createEntryPoint(n) {
fs.mkdirSync(benchmarkDirectory);
const JSFileContent = 'module.exports = [];';
const JSONFileContent = '[]';
for (let i = 0; i < n; i++) {
// JS file.
fs.writeFileSync(`${benchmarkDirectory}/${i}.js`, JSFileContent);
// JSON file.
fs.writeFileSync(`${benchmarkDirectory}/json_${i}.json`, JSONFileContent);
// Dir.
fs.mkdirSync(`${benchmarkDirectory}${i}`);
fs.writeFileSync(
`${benchmarkDirectory}${i}/package.json`,
'{"main": "index.js"}',
);
fs.writeFileSync(
`${benchmarkDirectory}${i}/index.js`,
JSFileContent,
);
}
}
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