package main // A simple program demonstrating the spinner component from the Bubbles // component library. import ( "fmt" "os" "github.com/charmbracelet/bubbles/spinner" tea "github.com/charmbracelet/bubbletea" "github.com/muesli/termenv" ) var color = termenv.ColorProfile().Color type errMsg error type model struct { spinner spinner.Model quitting bool err error } func main() { p := tea.NewProgram(initialModel()) if err := p.Start(); err != nil { fmt.Println(err) os.Exit(1) } } func initialModel() model { s := spinner.NewModel() s.Spinner = spinner.Dot return model{spinner: s} } func (m model) Init() tea.Cmd { return spinner.Tick } func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) { switch msg := msg.(type) { case tea.KeyMsg: switch msg.String() { case "q": fallthrough case "esc": fallthrough case "ctrl+c": m.quitting = true return m, tea.Quit default: return m, nil } case errMsg: m.err = msg return m, nil default: var cmd tea.Cmd m.spinner, cmd = m.spinner.Update(msg) return m, cmd } } func (m model) View() string { if m.err != nil { return m.err.Error() } s := termenv.String(m.spinner.View()).Foreground(color("205")).String() str := fmt.Sprintf("\n\n %s Loading forever...press q to quit\n\n", s) if m.quitting { return str + "\n" } return str }