findup-sync
Find the first file matching a given pattern in the current directory or the nearest ancestor directory.
fs-exists-sync
Drop-in replacement for `fs.existsSync` with zero dependencies. Other libs I found either have crucial differences from fs.existsSync, or unnecessary dependencies. See README.md for more info.
output-file-sync
Synchronously write a file and create its ancestor directories if needed
fs-mode
Provides async and sync fs methods with identical APIs