const result = []; files.forEach(function (file, index) { if (typeof Render[file.extension] === 'function') { result[file.extension] = result[file.extension] ? result[file.extension] + 1 : 1; const content = Render.extract(file); if (content.fm.ignore) { destination, data: Object.assign({ filename: file.shortPath }, content.fm), type: file.extension, }); result.push(page);