main.go

package main

import (
	"fmt"
	"os"

	tea "github.com/charmbracelet/bubbletea"
)

type model struct {
	quitting   bool
	suspending bool
}

func (m model) Init() tea.Cmd {
	return nil
}

func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	switch msg := msg.(type) {
	case tea.ResumeMsg:
		m.suspending = false
		return m, nil
	case tea.KeyMsg:
		switch msg.String() {
		case "q", "ctrl+c", "esc":
			m.quitting = true
			return m, tea.Quit
		case "ctrl+z":
			m.suspending = true
			return m, tea.Suspend
		}
	}
	return m, nil
}

func (m model) View() string {
	if m.suspending || m.quitting {
		return ""
	}

	return "\nPress ctrl-z to suspend, or ctrl+c to exit\n"
}

func main() {
	if _, err := tea.NewProgram(model{}).Run(); err != nil {
		fmt.Println("Error running program:", err)
		os.Exit(1)
	}
}