result.body.entries.sort(function (a, b) { return a.isDirectory && b.isFile ? -1 : 1; });
app.entries = result.body.entries.map(function (entry) {
entry.previewUrl = getPreviewUrl(entry, filePath);
result.body.entries.sort(function (a, b) { return a.isDirectory && b.isFile ? -1 : 1; });
app.entries = result.body.entries.map(function (entry) {
entry.previewUrl = getPreviewUrl(entry, filePath);