nodejs - list files

gistfile1.txt

function _walkSync(dir, filter) {
	const fs = require('fs');
	const filelist = [];
	const dirs = [dir];

	while (dirs.length) {
		const folder = dirs.pop();
		fs.readdirSync(folder).forEach(file => {
			const fullpath = folder + '/' + file;
			if (fs.statSync(fullpath).isDirectory()) {
				dirs.push(fullpath);
			}
			else if (!filter || file.endsWith(filter)) {
				filelist.push(fullpath);
			}
		});
	}

	return filelist;
}