fast-blog-bench.js

'use strict';
/* global after, before, bench, suite */
const fs = require('fs');
const rimraf = require('rimraf');
const fastGlob = require('fast-glob');
const glob = require('glob');

const BENCH_DIR = 'bench';

const runners = [{
	name: 'fast-glob sync',
	run: (patterns, ignore) => {
		fastGlob.sync(patterns, {ignore});
	}
}, {
	name: 'glob sync',
	run: (patterns, ignore) => {
		glob.sync(patterns, {ignore});
	}
}];
const benchs = [{
	name: 'negative globs (whole dir)',
	patterns: 'a/*',
	ignore: ['a']
},
{
	name: 'negative globs (whole dir with /**)',
	patterns: 'a/*',
	ignore: ['a/**']
}];

before(() => {
	process.chdir(__dirname);
	rimraf.sync(BENCH_DIR);
	fs.mkdirSync(BENCH_DIR);
	process.chdir(BENCH_DIR);
	['a', 'b']
		.map(dir => `${dir}/`)
		.forEach(dir => {
			fs.mkdirSync(dir);
			for (let i = 0; i < 500; i++) {
				fs.writeFileSync(dir + (i < 100 ? 'c' : 'd') + i, '');
			}
		});
});

after(() => {
	process.chdir(__dirname);
	rimraf.sync(BENCH_DIR);
});

benchs.forEach(benchmark => {
	suite(benchmark.name, () => {
		runners.forEach(runner => bench(runner.name, runner.run.bind(null, benchmark.patterns, benchmark.ignore)));
	});
});