Run commands in each package folder starting with cwd skipping node_modules folders
# top-level packages only, skipping nested test packages (default depth: 1)
$ ep npm test
# search deeper, including nested test packages
$ ep -d2 npm test
# one at a time (default concurrency: cpu)
$ ep -c1 npm test
# topological (default topological: false)
$ ep -t npm deploy
# include private packages (default private: false)
$ ep -p npm test
# include the root package.json if it exists (default root: false)
$ ep -r npm test
# custom ignore - default is node_modules,.git
$ ep --ignore=node_modules,.git,.yarn,my-symlink-cycle npm test