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silverwind/bench.js

Created Jan 17, 2015
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"use strict";
var fs = require("graceful-fs"),
yazl = require("yazl"),
archiver = require("archiver");
var dir = process.argv[2];
yazlFunc(function () {
archiverFunc();
});
function archiverFunc(cb) {
var start = now();
var output = fs.createWriteStream("./archiver.zip");
var archive = archiver("zip");
output.on('close', function () {
console.log("archiver took", ((now() - start) / 1e6).toFixed(0), "ms");
if (cb) cb();
});
archive.on('error', function (err) {
console.log(err);
});
archive.pipe(output);
walk(dir, function (err, dirs) {
dirs.forEach(function (dir) {
archive.append(fs.createReadStream(dir), { name: dir });
});
archive.finalize();
});
}
function yazlFunc(cb) {
var start = now();
var zipfile = new yazl.ZipFile();
walk(dir, function (err, dirs) {
dirs.forEach(function (dir) {
zipfile.addFile(dir, dir);
});
zipfile.outputStream.pipe(fs.createWriteStream("yazl.zip")).on("close", function () {
console.log("yazl took", ((now() - start) / 1e6).toFixed(0), "ms");
if (cb) cb();
});
zipfile.end();
});
}
function walk(dir, callback) {
var results = [];
fs.readdir(dir, function (error, list) {
var i = 0;
if (error) return callback(error);
(function next() {
var file = list[i++];
if (!file) return callback(null, results);
file = dir + "/" + file;
fs.stat(file, function (error, stats) {
if (stats && stats.isDirectory()) {
walk(file, function (error, res) {
results = results.concat(res);
next();
});
} else {
results.push(file);
next();
}
});
})();
});
}
function now() {
var hrtime = process.hrtime();
return hrtime[0] * 1e9 + hrtime[1];
}
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