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main.go
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main.go
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package main
// A simple program demonstrating the text input component from the Bubbles
// component library.
import (
"fmt"
"log"
"github.com/charmbracelet/bubbles/textinput"
tea "github.com/charmbracelet/bubbletea"
)
func main() {
p := tea.NewProgram(initialModel())
if err := p.Start(); err != nil {
log.Fatal(err)
}
p = tea.NewProgram(initialModel())
if err := p.Start(); err != nil {
log.Fatal(err)
}
}
type tickMsg struct{}
type errMsg error
type model struct {
textInput textinput.Model
err error
}
func initialModel() model {
ti := textinput.NewModel()
ti.Placeholder = "Pikachu"
ti.Focus()
ti.CharLimit = 156
ti.Width = 20
return model{
textInput: ti,
err: nil,
}
}
func (m model) Init() tea.Cmd {
return textinput.Blink
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmd tea.Cmd
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.Type {
case tea.KeyEnter, tea.KeyCtrlC, tea.KeyEsc:
return m, tea.Quit
}
// We handle errors just like any other message
case errMsg:
m.err = msg
return m, nil
}
m.textInput, cmd = m.textInput.Update(msg)
return m, cmd
}
func (m model) View() string {
return fmt.Sprintf(
"What鈥檚 your favorite Pok茅mon?\n\n%s\n\n%s",
m.textInput.View(),
"(esc to quit)",
) + "\n"
}