forked from Mirrors/bubbletea
140 lines
2.9 KiB
Go
140 lines
2.9 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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"log"
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"math/rand"
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"os"
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"time"
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"github.com/charmbracelet/bubbles/spinner"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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"github.com/mattn/go-isatty"
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"github.com/muesli/reflow/indent"
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)
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var helpStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("241")).Render
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func main() {
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rand.Seed(time.Now().UTC().UnixNano())
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var (
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daemonMode bool
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showHelp bool
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opts []tea.ProgramOption
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)
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flag.BoolVar(&daemonMode, "d", false, "run as a daemon")
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flag.BoolVar(&showHelp, "h", false, "show help")
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flag.Parse()
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if showHelp {
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flag.Usage()
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os.Exit(0)
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}
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if daemonMode || !isatty.IsTerminal(os.Stdout.Fd()) {
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// If we're in daemon mode don't render the TUI
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opts = []tea.ProgramOption{tea.WithoutRenderer()}
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} else {
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// If we're in TUI mode, discard log output
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log.SetOutput(io.Discard)
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}
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p := tea.NewProgram(newModel(), opts...)
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if _, err := p.Run(); err != nil {
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fmt.Println("Error starting Bubble Tea program:", err)
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os.Exit(1)
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}
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}
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type result struct {
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duration time.Duration
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emoji string
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}
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type model struct {
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spinner spinner.Model
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results []result
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quitting bool
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}
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func newModel() model {
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const showLastResults = 5
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sp := spinner.New()
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sp.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("206"))
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return model{
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spinner: sp,
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results: make([]result, showLastResults),
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}
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}
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func (m model) Init() tea.Cmd {
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log.Println("Starting work...")
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return tea.Batch(
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spinner.Tick,
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runPretendProcess,
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)
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}
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func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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switch msg := msg.(type) {
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case tea.KeyMsg:
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m.quitting = true
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return m, tea.Quit
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case spinner.TickMsg:
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var cmd tea.Cmd
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m.spinner, cmd = m.spinner.Update(msg)
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return m, cmd
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case processFinishedMsg:
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d := time.Duration(msg)
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res := result{emoji: randomEmoji(), duration: d}
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log.Printf("%s Job finished in %s", res.emoji, res.duration)
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m.results = append(m.results[1:], res)
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return m, runPretendProcess
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default:
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return m, nil
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}
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}
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func (m model) View() string {
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s := "\n" +
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m.spinner.View() + " Doing some work...\n\n"
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for _, res := range m.results {
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if res.duration == 0 {
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s += "........................\n"
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} else {
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s += fmt.Sprintf("%s Job finished in %s\n", res.emoji, res.duration)
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}
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}
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s += helpStyle("\nPress any key to exit\n")
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if m.quitting {
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s += "\n"
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}
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return indent.String(s, 1)
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}
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// processFinishedMsg is sent when a pretend process completes.
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type processFinishedMsg time.Duration
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// pretendProcess simulates a long-running process.
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func runPretendProcess() tea.Msg {
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pause := time.Duration(rand.Int63n(899)+100) * time.Millisecond
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time.Sleep(pause)
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return processFinishedMsg(pause)
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}
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func randomEmoji() string {
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emojis := []rune("🍦🧋🍡🤠👾😭🦊🐯🦆🥨🎏🍔🍒🍥🎮📦🦁🐶🐸🍕🥐🧲🚒🥇🏆🌽")
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return string(emojis[rand.Intn(len(emojis))])
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}
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