Refactor: change command string to command struct

main.go

@@ -19,7 +19,7 @@ const (
 
 type sessionOrCommand struct {
 	displayString string
-	commandString string
+	command       *exec.Cmd
 }
 
 type Choices [][]sessionOrCommand
@@ -61,7 +61,7 @@ func getBrowserSessions() []sessionOrCommand {
 	for _, entry := range fileList {
 		if !entry.IsDir() && strings.HasSuffix(entry.Name(), ".yml") {
 			log.Printf("INFO %s", entry.Name())
-			result = append(result, sessionOrCommand{displayString: strings.TrimSuffix(entry.Name(), ".yml"), commandString: ""})
+			result = append(result, sessionOrCommand{displayString: strings.TrimSuffix(entry.Name(), ".yml"), command: nil})
 		}
 	}
 	// log.Printf("result: %v", result)
@@ -78,10 +78,10 @@ func initialModel() model {
 			getBrowserSessions(),
 			[]sessionOrCommand{{
 				displayString: "newsboat",
-				commandString: "newsboat",
+				command:       exec.Command("xterm", "-maximized", "-e", "newsboat"),
 			}, {
 				displayString: "bottom",
-				commandString: "btm --group --battery --color gruvbox-light",
+				command:       exec.Command("xterm", "-maximized", "-e", "btm", "--group", "--battery", "--color", "gruvbox-light"),
 			}},
 		},
 		// An array of maps which indicates which choices are selected.
@@ -94,8 +94,8 @@ func initialModel() model {
 func launch(m model) tea.Cmd {
 	return func() tea.Msg {
 		var result statusMsg
-		for j, item := range m.choices[0] {
-			if _, ok := m.selected[0][j]; ok {
+		for j, item := range m.choices[BrowserSessions] {
+			if _, ok := m.selected[BrowserSessions][j]; ok {
 				cmd := exec.Command("qutebrowser", "--restore", item.displayString)
 				err := cmd.Start()
 				result += statusMsg(fmt.Sprintf("Launching Qutebrowser session: %v\n", item.displayString))
@@ -106,9 +106,9 @@ func launch(m model) tea.Cmd {
 			}
 		}
 
-		for k, item := range m.choices[1] {
-			if _, ok := m.selected[1][k]; ok {
-				cmd := exec.Command("xterm", "-e", item.commandString)
+		for k, item := range m.choices[Commands] {
+			if _, ok := m.selected[Commands][k]; ok {
+				cmd := item.command
 				err := cmd.Start()
 				result += statusMsg(fmt.Sprintf("Launching command: %v\n", item.displayString))
 				if err != nil {