simple-scorm-packager/lib/directory.js

Simple way to package your scorm projects

"use strict";

var fs = require("fs");
var path = require("path");
var async = require("async");

function readSizeRecursive(item, ignoreRegEx, callback) {
  var cb;
  var ignoreRegExp;

  if (!callback) {
    cb = ignoreRegEx;
    ignoreRegExp = null;
  } else {
    cb = callback;
    ignoreRegExp = ignoreRegEx;
  }

  fs.lstat(item, function lstat(e, stats) {
    var total = !e ? stats.size || 0 : 0;

    if (!e && stats.isDirectory()) {
      fs.readdir(item, function readdir(err, list) {
        if (err) {
          return cb(err);
        }

        async.forEach(
          list,
          function iterate(dirItem, next) {
            readSizeRecursive(
              path.join(item, dirItem),
              ignoreRegExp,
              function readSize(error, size) {
                if (!error) {
                  total += size;
                }

                next(error);
              }
            );
          },
          function done(finalErr) {
            cb(finalErr, total);
          }
        );
      });
    } else {
      if (ignoreRegExp && ignoreRegExp.test(item)) {
        total = 0;
      }

      cb(e, total);
    }
  });
}

module.exports = readSizeRecursive;