bench.js

"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];
}