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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/charmbracelet/lipgloss"
)
type errMsg error
type model struct {
spinner spinner.Model
quitting bool
err error
}
func initialModel() model {
s := spinner.New()
s.Spinner = spinner.Dot
s.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("205"))
return model{spinner: s}
}
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 "q", "esc", "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()
}
str := fmt.Sprintf("\n\n %s Loading forever...press q to quit\n\n", m.spinner.View())
if m.quitting {
return str + "\n"
}
return str
}
func main() {
p := tea.NewProgram(initialModel())
if _, err := p.Run(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
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