| 6 | |
| 7 | /** Returns the number of files in the given directory. */ |
| 8 | var countFiles = function (dir) { |
| 9 | return fs.readdirAsync(dir) |
| 10 | |
| 11 | // Get all file stats in parallel. |
| 12 | .then(function (files) { |
| 13 | var paths = _.map(files, function (file) { return path.join(dir, file); }); |
| 14 | return Promise.all(_.map(paths, function (path) { return fs.statAsync(path); })); |
| 15 | }) |
| 16 | |
| 17 | // Count the files. |
| 18 | .then(function (stats) { |
| 19 | return _.filter(stats, function (stat) { return stat.isFile(); }).length; |
| 20 | }); |
| 21 | } |
| 22 | |
| 23 | |
| 24 | function nodeified(dir, callback) { countFiles(dir).nodeify(callback); } |