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package-manager.go
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package main
import (
"fmt"
"os"
"strings"
tea "github.com/charmbracelet/bubbletea"
)
var PackageManagers = []string{
"npm",
"yarn",
"pnpm",
}
type PackageManagerOptionStruct struct {
cursor int
choice string
}
func (m PackageManagerOptionStruct) Init() tea.Cmd {
return nil
}
func (m PackageManagerOptionStruct) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.String() {
case "ctrl+c", "esc":
return m, tea.Quit
case "enter":
m.choice = PackageManagers[m.cursor]
return m, tea.Quit
case "down", "j":
m.cursor++
if m.cursor >= len(PackageManagers) {
m.cursor = 0
}
case "up", "k":
m.cursor--
if m.cursor < 0 {
m.cursor = len(PackageManagers) - 1
}
}
}
return m, nil
}
func (m PackageManagerOptionStruct) View() string {
s := strings.Builder{}
s.WriteString("Which package manager would you like to use (esc to quit)\n\n")
for i := 0; i < len(PackageManagers); i++ {
if m.cursor == i {
s.WriteString("[•] ")
} else {
s.WriteString("[ ] ")
}
s.WriteString(PackageManagers[i])
s.WriteString("\n")
}
return s.String()
}
func PackageManagerChoiceModel() tea.Model {
p := tea.NewProgram(PackageManagerOptionStruct{})
m, err := p.Run()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
return m
}