Add key/value feature for gum choose (#530) (#598)

* Add key/value feature for `gum choose` (#530)

* trim the space of key and value

* using SplitN

Author: clysto

choose/command.go

@@ -33,7 +33,17 @@ func (o Options) Run() error {
 	}
 
 	theme := huh.ThemeCharm()
-	options := huh.NewOptions(o.Options...)
+	options := make([]huh.Option[string], len(o.Options))
+	for i, option := range o.Options {
+		parsed := strings.SplitN(option, o.Deliminator, 2)
+		if len(parsed) == 2 {
+			key := strings.TrimSpace(parsed[0])
+			value := strings.TrimSpace(parsed[1])
+			options[i] = huh.NewOption(key, value)
+		} else {
+			options[i] = huh.NewOption(option, option)
+		}
+	}
 
 	theme.Focused.Base = lipgloss.NewStyle()
 	theme.Focused.Title = o.HeaderStyle.ToLipgloss()

choose/options.go

@@ -26,4 +26,5 @@ type Options struct {
 	ItemStyle         style.Styles  `embed:"" prefix:"item." hidden:"" envprefix:"GUM_CHOOSE_ITEM_"`
 	SelectedItemStyle style.Styles  `embed:"" prefix:"selected." set:"defaultForeground=212" envprefix:"GUM_CHOOSE_SELECTED_"`
 	Timeout           time.Duration `help:"Timeout until choose returns selected element" default:"0" env:"GUM_CCHOOSE_TIMEOUT"` // including timeout command options [Timeout,...]
+	Deliminator       string        `help:"Deliminator to split the options to keys and values" default:"=" env:"GUM_CHOOSE_DELIMINATOR"`
 }