envy/cmd/utils/tools.go

package utils

import (
	"errors"
	"fmt"
	"os"
	"path"
	"strings"

	"github.com/charmbracelet/lipgloss"
)

var ErrStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#F00"))

func ErrPrint(data ...string) {
	fmt.Println(ErrStyle.Render(strings.Join(data, " ")))
}

var EnvyPath string

func Init() {
	conf, err := os.UserConfigDir()
	if err != nil {
		panic("Couldn't find config directory:" + err.Error())
	}

	EnvyPath = path.Join(conf, "envy")
}

func NoSpace(input string) error {
	for _, r := range input {
		if !(isAlphaNum(r) || r == '-' || r == '_') {
			return errors.New("input can only contain letters, numbers, '-' and '_'")
		}
	}
	return nil
}

// helper function
func isAlphaNum(r rune) bool {
	return (r >= 'a' && r <= 'z') ||
		(r >= 'A' && r <= 'Z') ||
		(r >= '0' && r <= '9')
}