io/check library

Functions

checkDirectoryExists(String path, [String? name]) Directory
Check if the Directory at path exists, if not throw an ArgumentError.
checkFileExists(String path, [String? name]) File
Check if the File at path exists, if not throw an ArgumentError.
checkLeadsToFiletype(String path, FileSystemEntityType type) → void
Check that path leads to a FileSystemEntity of type.