1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
package main
// An example illustrating how to pipe in data to a Bubble Tea application.
// More so, this serves as proof that Bubble Tea will automatically listen for
// keystrokes when input is not a TTY, such as when data is piped or redirected
// in.
import (
"bufio"
"fmt"
"io"
"os"
"strings"
"github.com/charmbracelet/bubbles/textinput"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
func main() {
stat, err := os.Stdin.Stat()
if err != nil {
panic(err)
}
if stat.Mode()&os.ModeNamedPipe == 0 && stat.Size() == 0 {
fmt.Println("Try piping in some text.")
os.Exit(1)
}
reader := bufio.NewReader(os.Stdin)
var b strings.Builder
for {
r, _, err := reader.ReadRune()
if err != nil && err == io.EOF {
break
}
_, err = b.WriteRune(r)
if err != nil {
fmt.Println("Error getting input:", err)
os.Exit(1)
}
}
model := newModel(strings.TrimSpace(b.String()))
if _, err := tea.NewProgram(model).Run(); err != nil {
fmt.Println("Couldn't start program:", err)
os.Exit(1)
}
}
type model struct {
userInput textinput.Model
}
func newModel(initialValue string) (m model) {
i := textinput.New()
i.Prompt = ""
i.Cursor.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("63"))
i.Width = 48
i.SetValue(initialValue)
i.CursorEnd()
i.Focus()
m.userInput = i
return
}
func (m model) Init() tea.Cmd {
return textinput.Blink
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if key, ok := msg.(tea.KeyMsg); ok {
switch key.Type {
case tea.KeyCtrlC, tea.KeyEscape, tea.KeyEnter:
return m, tea.Quit
}
}
var cmd tea.Cmd
m.userInput, cmd = m.userInput.Update(msg)
return m, cmd
}
func (m model) View() string {
return fmt.Sprintf(
"\nYou piped in: %s\n\nPress ^C to exit",
m.userInput.View(),
)
}
|
