refactor!: use the new bubbletea stringer api

field_confirm.go

@@ -232,7 +232,7 @@ func (c *Confirm) activeStyles() *FieldStyles {
 }
 
 // View renders the confirm field.
-func (c *Confirm) View() string {
+func (c *Confirm) View() fmt.Stringer {
 	styles := c.activeStyles()
 
 	var sb strings.Builder
@@ -284,7 +284,11 @@ func (c *Confirm) View() string {
 	style := lipgloss.NewStyle().Width(renderWidth).Align(lipgloss.Center)
 
 	sb.WriteString(style.Render(buttonsRow))
-	return styles.Base.Render(sb.String())
+
+	var s strings.Builder
+	s.WriteString(styles.Base.Render(sb.String()))
+
+	return &s
 }
 
 // Run runs the confirm field in accessible mode.

field_filepicker.go

@@ -263,7 +263,7 @@ func (f *FilePicker) activeStyles() *FieldStyles {
 }
 
 // View renders the file field.
-func (f *FilePicker) View() string {
+func (f *FilePicker) View() fmt.Stringer {
 	styles := f.activeStyles()
 
 	var sb strings.Builder
@@ -282,7 +282,11 @@ func (f *FilePicker) View() string {
 			sb.WriteString(styles.TextInput.Placeholder.Render("No file selected."))
 		}
 	}
-	return styles.Base.Render(sb.String())
+
+	var s strings.Builder
+	s.WriteString(styles.Base.Render(sb.String()))
+
+	return &s
 }
 
 func (f *FilePicker) setPicking(v bool) {

field_input.go

@@ -380,7 +380,7 @@ func (i *Input) activeStyles() *FieldStyles {
 }
 
 // View renders the input field.
-func (i *Input) View() string {
+func (i *Input) View() fmt.Stringer {
 	styles := i.activeStyles()
 
 	// NB: since the method is on a pointer receiver these are being mutated.
@@ -412,7 +412,10 @@ func (i *Input) View() string {
 	}
 	sb.WriteString(i.textinput.View())
 
-	return styles.Base.Render(sb.String())
+	var s strings.Builder
+	s.WriteString(styles.Base.Render(sb.String()))
+
+	return &s
 }
 
 // Run runs the input field in accessible mode.

field_multiselect.go

@@ -579,7 +579,7 @@ func (m *MultiSelect[T]) optionsView() string {
 }
 
 // View renders the multi-select field.
-func (m *MultiSelect[T]) View() string {
+func (m *MultiSelect[T]) View() fmt.Stringer {
 	styles := m.activeStyles()
 
 	m.viewport.SetContent(m.optionsView())
@@ -593,7 +593,11 @@ func (m *MultiSelect[T]) View() string {
 		sb.WriteString(m.descriptionView() + "\n")
 	}
 	sb.WriteString(m.viewport.View())
-	return styles.Base.Render(sb.String())
+
+	var s strings.Builder
+	s.WriteString(styles.Base.Render(sb.String()))
+
+	return &s
 }
 
 func (m *MultiSelect[T]) printOptions() {

field_note.go

@@ -218,7 +218,7 @@ func (n *Note) activeStyles() *FieldStyles {
 }
 
 // View renders the note field.
-func (n *Note) View() string {
+func (n *Note) View() fmt.Stringer {
 	styles := n.activeStyles()
 	sb := strings.Builder{}
 
@@ -232,7 +232,11 @@ func (n *Note) View() string {
 	if n.showNextButton {
 		sb.WriteString(styles.Next.Render(n.nextLabel))
 	}
-	return styles.Card.Height(n.height).Render(sb.String())
+
+	var s strings.Builder
+	s.WriteString(styles.Card.Height(n.height).Render(sb.String()))
+
+	return &s
 }
 
 // Run runs the note field.

field_select.go

@@ -592,7 +592,7 @@ func (s *Select[T]) optionsView() string {
 }
 
 // View renders the select field.
-func (s *Select[T]) View() string {
+func (s *Select[T]) View() fmt.Stringer {
 	styles := s.activeStyles()
 	s.viewport.SetContent(s.optionsView())
 
@@ -610,7 +610,11 @@ func (s *Select[T]) View() string {
 		}
 	}
 	sb.WriteString(s.viewport.View())
-	return styles.Base.Render(sb.String())
+
+	var v strings.Builder
+	v.WriteString(styles.Base.Render(sb.String()))
+
+	return &v
 }
 
 // clearFilter clears the value of the filter.

field_text.go

@@ -366,7 +366,7 @@ func (t *Text) activeTextAreaStyles() *textarea.StyleState {
 }
 
 // View renders the text field.
-func (t *Text) View() string {
+func (t *Text) View() fmt.Stringer {
 	styles := t.activeStyles()
 	textareaStyles := t.activeTextAreaStyles()
 
@@ -392,7 +392,10 @@ func (t *Text) View() string {
 	}
 	sb.WriteString(t.textarea.View())
 
-	return styles.Base.Render(sb.String())
+	var v strings.Builder
+	v.WriteString(styles.Base.Render(sb.String()))
+
+	return &v
 }
 
 // Run runs the text field.

form.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"strings"
 	"sync"
 	"time"
 
@@ -132,7 +133,7 @@ type Field interface {
 	// Bubble Tea Model
 	Init() (tea.Model, tea.Cmd)
 	Update(tea.Msg) (tea.Model, tea.Cmd)
-	View() string
+	View() fmt.Stringer
 
 	// Bubble Tea Events
 	Blur() tea.Cmd
@@ -608,12 +609,14 @@ func (f *Form) isGroupHidden(group *Group) bool {
 }
 
 // View renders the form.
-func (f *Form) View() string {
+func (f *Form) View() fmt.Stringer {
+	var s strings.Builder
 	if f.quitting {
-		return ""
+		return &s
 	}
 
-	return f.layout.View(f)
+	s.WriteString(f.layout.View(f).String())
+	return &s
 }
 
 // Run runs the form.

go.mod

@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/catppuccin/go v0.2.0
 	github.com/charmbracelet/bubbles/v2 v2.0.0-alpha.2.0.20250115152509-0c83e6f4c8d3
-	github.com/charmbracelet/bubbletea/v2 v2.0.0-alpha.2.0.20250115153415-046a5ddf5b4a
+	github.com/charmbracelet/bubbletea/v2 v2.0.0-alpha.2.0.20250123211610-443afa6fa0c1
 	github.com/charmbracelet/lipgloss/v2 v2.0.0-alpha.2.0.20250114171829-b67eb015d607
 	github.com/charmbracelet/x/ansi v0.7.0
 	github.com/charmbracelet/x/exp/strings v0.0.0-20240722160745-212f7b056ed0

go.sum

@@ -10,6 +10,8 @@ github.com/charmbracelet/bubbles/v2 v2.0.0-alpha.2.0.20250115152509-0c83e6f4c8d3
 github.com/charmbracelet/bubbles/v2 v2.0.0-alpha.2.0.20250115152509-0c83e6f4c8d3/go.mod h1:QbWYWg5Y3UBTNDoTIPIgLHiGsTbBBO2D6q53lG7IR8M=
 github.com/charmbracelet/bubbletea/v2 v2.0.0-alpha.2.0.20250115153415-046a5ddf5b4a h1:Wct67LI3+EoDcAs3ujwWhTp8NNZUlkBAeOLgjyc2rOE=
 github.com/charmbracelet/bubbletea/v2 v2.0.0-alpha.2.0.20250115153415-046a5ddf5b4a/go.mod h1:hT2875Ank3ylgW13kqu6cjDc9XIk9sE5JsOFYdl09b8=
+github.com/charmbracelet/bubbletea/v2 v2.0.0-alpha.2.0.20250123211610-443afa6fa0c1 h1:tktnM4YimEWSYd58iZlPDB3Xz25/r94VYZZsHK5zWL0=
+github.com/charmbracelet/bubbletea/v2 v2.0.0-alpha.2.0.20250123211610-443afa6fa0c1/go.mod h1:hT2875Ank3ylgW13kqu6cjDc9XIk9sE5JsOFYdl09b8=
 github.com/charmbracelet/colorprofile v0.1.9 h1:5JnfvX+I9D6rRNu8xK3pgIqknaBVTXHU9pGu1jkZxLw=
 github.com/charmbracelet/colorprofile v0.1.9/go.mod h1:+jpmObxZl1Dab3H3IMVIPSZTsKcFpjJUv97G0dLqM60=
 github.com/charmbracelet/lipgloss/v2 v2.0.0-alpha.2.0.20250114171829-b67eb015d607 h1:lERE4ow371r5WMqQAt7Eqlg1A4tBNA8T4RLwdXnKyBo=

group.go

@@ -1,6 +1,7 @@
 package huh
 
 import (
+	"fmt"
 	"strings"
 
 	"github.com/charmbracelet/bubbles/v2/help"
@@ -126,7 +127,7 @@ func (g *Group) WithHeight(height int) *Group {
 	g.viewport.SetHeight(height)
 	g.selector.Range(func(_ int, field Field) bool {
 		// A field height must not exceed the form height.
-		if height-1 <= lipgloss.Height(field.View()) {
+		if height-1 <= lipgloss.Height(field.View().String()) {
 			field.WithHeight(height)
 		}
 		return true
@@ -287,7 +288,7 @@ func (g *Group) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 func (g *Group) fullHeight() int {
 	height := g.selector.Total()
 	g.selector.Range(func(_ int, field Field) bool {
-		height += lipgloss.Height(field.View())
+		height += lipgloss.Height(field.View().String())
 		return true
 	})
 	return height
@@ -301,12 +302,12 @@ func (g *Group) getContent() (int, string) {
 	// if the focused field is requesting it be zoomed, only show that field.
 	if g.selector.Selected().Zoom() {
 		g.selector.Selected().WithHeight(g.height - 1)
-		fields.WriteString(g.selector.Selected().View())
+		fields.WriteString(g.selector.Selected().View().String())
 	} else {
 		g.selector.Range(func(i int, field Field) bool {
-			fields.WriteString(field.View())
+			fields.WriteString(field.View().String())
 			if i == g.selector.Index() {
-				offset = lipgloss.Height(fields.String()) - lipgloss.Height(field.View())
+				offset = lipgloss.Height(fields.String()) - lipgloss.Height(field.View().String())
 			}
 			if i < g.selector.Total()-1 {
 				fields.WriteString(gap)
@@ -326,11 +327,11 @@ func (g *Group) buildView() {
 }
 
 // View renders the group.
-func (g *Group) View() string {
+func (g *Group) View() fmt.Stringer {
 	var view strings.Builder
 	view.WriteString(g.viewport.View())
 	view.WriteString(g.Footer())
-	return view.String()
+	return &view
 }
 
 // Content renders the group's content only (no footer).