nto-cli/utils/find_frontend_path.go

package utils

import (
	"log"
	"os"
	"path/filepath"
)

func FindFrontendPath() string {
	currentPath, err := os.Getwd()
	if err != nil {
		log.Fatalf("Failed to find path for frontend: %s", err)
	}

	var dirs []string
	for currentPath != filepath.VolumeName(currentPath)+string(os.PathSeparator) {
		dir, file := filepath.Split(currentPath)
		if file != "" {
			dirs = append([]string{file}, dirs...)
		}
		currentPath = filepath.Clean(dir)
	}

	if len(dirs) < 2 || filepath.Join(dirs[len(dirs)-2], dirs[len(dirs)-1]) != filepath.Join("frontend", "src") {
		log.Fatalf("Run this program in frontend/ directory")
	}

	var path string
	for i, dir := range dirs {
		if dir == "frontend" {
			break
		}
		if i > 0 {
			path = filepath.Join(path, dir)
		} else {
			path = dir
		}
	}

	if filepath.VolumeName(path) == "" {
		path = filepath.Join(string(os.PathSeparator), path)
	}

	return path
}