package paths

import (
	"path/filepath"
)

// Expand resolves shell-like shortcuts in a path string:
// - empty string resolves to the user's home directory
// - leading '~' expands to the user's home directory
func Expand(dir string) string {
	// Empty string resolves to the users home dir.
	if len(dir) < 1 {
		return HomeDir()
	}
	// Expand ~ to users home dir.
	if dir[0] == '~' {
		return filepath.Join(HomeDir(), dir[1:])
	}
	return dir
}