acha-framework/src/backend/zip-helper.js

is a modular framework on both client (angular.js) and server (node.js) side, it provides security, orm, ioc, obfuscation and ...

(function (undefined) {
  Ioc.define('backend.zipHelper', [], function (provide) {
    var AdmZip = require('adm-zip');
    var createZip = function (source) {
      return Q.Promise(function (resolve, reject) {
        var zip = new AdmZip();
        var promises = [];
        var errorHappend = false;
        for (var i = 0; i < source.length; i++) {
          var defer = Q.defer();
          promises.push(defer.promise);
          (function (defer, src, zip) {
            FS.stat(src, function (err, stat) {
              if (err) {
                defer.resolve();
                errorHappend = true;
                return;
              }
              if (stat.isDirectory()) {
                zip.addLocalFolder(src);
              } else {
                zip.addLocalFile(src);
              }
              defer.resolve();
            });
          }(defer, source[i], zip));
        }
        Q.all(promises).then(function () {
          if (errorHappend)
            zip = null;
          resolve(zip);
        });
      });
    };
    provide({
      createZip: createZip,
      zip: function (source, destination) {
        'use strict';
        return Q.Promise(function (resolve, reject) {
          createZip(source).then(function (zip) {
            if (zip) {
              zip.writeZip(destination);
              zip = null;
              resolve(true);
              return;
            }
            resolve(false);
          });
        });
      }
    });
  });
}());