package main import ( "fmt" "os" "github.com/charmbracelet/bubbles/spinner" tea "github.com/charmbracelet/bubbletea" "github.com/charmbracelet/lipgloss" ) var ( // Available spinners spinners = []spinner.Spinner{ spinner.Line, spinner.Dot, spinner.MiniDot, spinner.Jump, spinner.Pulse, spinner.Points, spinner.Globe, spinner.Moon, spinner.Monkey, } textStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("252")).Render spinnerStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("69")) helpStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("241")).Render ) func main() { m := model{} m.resetSpinner() if err := tea.NewProgram(m).Start(); err != nil { fmt.Println("could not run program:", err) os.Exit(1) } } type model struct { index int spinner spinner.Model } func (m model) Init() tea.Cmd { return m.spinner.Tick } func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) { switch msg := msg.(type) { case tea.KeyMsg: switch msg.String() { case "ctrl+c", "q", "esc": return m, tea.Quit case "h", "left": m.index-- if m.index <= 0 { m.index = len(spinners) - 1 } m.resetSpinner() return m, m.spinner.Tick case "l", "right": m.index++ if m.index >= len(spinners) { m.index = 0 } m.resetSpinner() return m, m.spinner.Tick default: return m, nil } case spinner.TickMsg: var cmd tea.Cmd m.spinner, cmd = m.spinner.Update(msg) return m, cmd default: return m, nil } } func (m *model) resetSpinner() { m.spinner = spinner.New() m.spinner.Style = spinnerStyle m.spinner.Spinner = spinners[m.index] } func (m model) View() (s string) { var gap string switch m.index { case 1: gap = "" default: gap = " " } s += fmt.Sprintf("\n %s%s%s\n\n", m.spinner.View(), gap, textStyle("Spinning...")) s += helpStyle("h/l, ←/→: change spinner • q: exit\n") return }