write
Write data to a file, replacing the file if it already exists and creating any intermediate directories if they don't already exist. Thin wrapper around node's native fs methods.
write-json
Write a JSON file to disk, also creates intermediate directories in the destination path if they don't already exist.
fsl-async
Designed to be a drop and replace for fs.writeFile and fs.mkdir. It supports recursive directory creation. It contains zero dependencies and uses Promises.