forked from Mirrors/bubbletea
70 lines
1.1 KiB
Go
70 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"os"
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"time"
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tea "github.com/charmbracelet/bubbletea"
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)
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var (
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duration = time.Second * 10
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interval = time.Millisecond
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)
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func main() {
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m := model{
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timeout: time.Now().Add(duration),
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}
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if err := tea.NewProgram(m).Start(); err != nil {
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fmt.Println("Oh no, it didn't work:", err)
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os.Exit(1)
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}
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}
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type tickMsg time.Time
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type model struct {
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timeout time.Time
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lastTick time.Time
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}
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func (m model) Init() tea.Cmd {
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return tick()
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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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switch msg.String() {
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case "ctrl+c", "q", "esc":
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return m, tea.Quit
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}
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case tickMsg:
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t := time.Time(msg)
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if t.After(m.timeout) {
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return m, tea.Quit
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}
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m.lastTick = t
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return m, tick()
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}
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return m, nil
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}
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func (m model) View() string {
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t := m.timeout.Sub(m.lastTick).Milliseconds()
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secs := t / 1000
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millis := t % 1000 / 10
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return fmt.Sprintf("This program will quit in %02d:%02d\n", secs, millis)
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}
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func tick() tea.Cmd {
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return tea.Tick(time.Duration(interval), func(t time.Time) tea.Msg {
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return tickMsg(t)
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})
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}
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