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#!/usr/bin/env node
/*eslint no-console:0*/
import { createRequire } from 'node:module';
const require = createRequire(import.meta.url);
const fs = require('fs');
const util = require('util');
const Benchmark = require('benchmark');
const ansi = require('ansi');
const cursor = ansi(process.stdout);
const IMPLS = [];
for (const name of fs.readdirSync(new URL('./implementations', import.meta.url)).sort()) {
const filepath = new URL(`./implementations/${name}/index.mjs`, import.meta.url);
const code = (await import(filepath));
IMPLS.push({
name: name,
code: code
});
}
const SAMPLES = [];
fs.readdirSync(new URL('./samples', import.meta.url)).sort().forEach(sample => {
const filepath = new URL(`./samples/${sample}`, import.meta.url);
const content = {};
content.string = fs.readFileSync(filepath, 'utf8');
const title = `(${content.string.length} bytes)`;
function onComplete() { cursor.write('\n'); }
const suite = new Benchmark.Suite(
title,
{
onStart: () => { console.log('\nSample: %s %s', sample, title); },
onComplete: onComplete
}
);
IMPLS.forEach(function (impl) {
suite.add(
impl.name,
{
onCycle: function onCycle(event) {
cursor.horizontalAbsolute();
cursor.eraseLine();
cursor.write(' > ' + event.target);
},
onComplete: onComplete,
fn: function () { impl.code.run(content.string); }
}
);
});
SAMPLES.push({
name: sample.split('.')[0],
title: title,
content: content,
suite: suite
});
});
function select(patterns) {
const result = [];
if (!(patterns instanceof Array)) {
patterns = [ patterns ];
}
function checkName(name) {
return patterns.length === 0 || patterns.some(function (regexp) {
return regexp.test(name);
});
}
SAMPLES.forEach(function (sample) {
if (checkName(sample.name)) {
result.push(sample);
}
});
return result;
}
function run(files) {
const selected = select(files);
if (selected.length > 0) {
console.log('Selected samples: (%d of %d)', selected.length, SAMPLES.length);
selected.forEach(function (sample) {
console.log(' > %s', sample.name);
});
} else {
console.log('There isn\'t any sample matches any of these patterns: %s', util.inspect(files));
}
selected.forEach(function (sample) {
sample.suite.run();
});
}
run(process.argv.slice(2).map(source => new RegExp(source, 'i')));