chore: bump go from 1.13 to 1.18

README.md

@@ -56,11 +56,7 @@ options.
 
 ## Progress
 
-<picture>
+<img src="https://stuff.charm.sh/bubbles-examples/progress.gif" width="800" alt="Progressbar Example">
-  <source media="(max-width: 800px)" srcset="https://stuff.charm.sh/bubbles-examples/progress.gif">
-  <source media="(min-width: 800px)" width="800" srcset="https://stuff.charm.sh/bubbles-examples/progress.gif">
-  <img src="https://stuff.charm.sh/bubbles-examples/progress.gif" alt="Progressbar Example">
-</picture>
 
 A simple, customizable progress meter, with optional animation via
 [Harmonica][harmonica]. Supports solid and gradient fills. The empty and filled
@@ -87,11 +83,7 @@ logic and visualize pagination however you like.
 
 ## Viewport
 
-<picture>
+<img src="https://stuff.charm.sh/bubbles-examples/viewport.gif?0" width="600" alt="Viewport Example">
-  <source media="(max-width: 600px)" srcset="https://stuff.charm.sh/bubbles-examples/viewport.gif?0">
-  <source media="(min-width: 600px)" width="600" srcset="https://stuff.charm.sh/bubbles-examples/viewport.gif?0">
-  <img src="https://stuff.charm.sh/bubbles-examples/viewport.gif?0" alt="Viewport Example">
-</picture>
 
 A viewport for vertically scrolling content. Optionally includes standard
 pager keybindings and mouse wheel support. A high performance mode is available
@@ -107,11 +99,7 @@ indenting and text wrapping.
 
 ## List
 
-<picture>
+<img src="https://stuff.charm.sh/bubbles-examples/list.gif" width="600" alt="List Example">
-  <source media="(max-width: 600px)" srcset="https://stuff.charm.sh/bubbles-examples/list.gif">
-  <source media="(min-width: 600px)" width="600" srcset="https://stuff.charm.sh/bubbles-examples/list.gif">
-  <img src="https://stuff.charm.sh/bubbles-examples/list.gif" alt="List Example">
-</picture>
 
 A customizable, batteries-included component for browsing a set of items.
 Features pagination, fuzzy filtering, auto-generated help, an activity spinner,
@@ -145,11 +133,7 @@ can be customized as you see fit.
 
 ## Help
 
-<picture>
+<img src="https://stuff.charm.sh/bubbles-examples/help.gif" width="500" alt="Help Example">
-  <source media="(max-width: 500px)" srcset="https://stuff.charm.sh/bubbles-examples/help.gif">
-  <source media="(min-width: 500px)" width="500" srcset="https://stuff.charm.sh/bubbles-examples/help.gif">
-  <img src="https://stuff.charm.sh/bubbles-examples/help.gif" alt="Help Example">
-</picture>
 
 A customizable horizontal mini help view that automatically generates itself
 from your keybindings. It features single and multi-line modes, which the user

go.mod

@@ -1,16 +1,26 @@
 module github.com/charmbracelet/bubbles
 
-go 1.13
+go 1.18
 
 require (
 	github.com/atotto/clipboard v0.1.4
-	github.com/charmbracelet/bubbletea v0.21.0
+	github.com/charmbracelet/bubbletea v0.22.0
 	github.com/charmbracelet/harmonica v0.2.0
 	github.com/charmbracelet/lipgloss v0.5.0
-	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0
 	github.com/mattn/go-runewidth v0.0.13
 	github.com/muesli/reflow v0.3.0
-	github.com/muesli/termenv v0.11.1-0.20220212125758-44cd13922739
+	github.com/muesli/termenv v0.12.0
 	github.com/sahilm/fuzzy v0.1.0
 )
+
+require (
+	github.com/containerd/console v1.0.3 // indirect
+	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b // indirect
+	github.com/muesli/cancelreader v0.2.1 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	golang.org/x/sys v0.0.0-20220209214540-3681064d5158 // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
+)

go.sum

@@ -1,7 +1,7 @@
 github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
 github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
-github.com/charmbracelet/bubbletea v0.21.0 h1:f3y+kanzgev5PA916qxmDybSHU3N804uOnKnhRPXTcI=
+github.com/charmbracelet/bubbletea v0.22.0 h1:E1BTNSE3iIrq0G0X6TjGAmrQ32cGCbFDPcIuImikrUc=
-github.com/charmbracelet/bubbletea v0.21.0/go.mod h1:GgmJMec61d08zXsOhqRC/AiOx4K4pmz+VIcRIm1FKr4=
+github.com/charmbracelet/bubbletea v0.22.0/go.mod h1:aoVIwlNlr5wbCB26KhxfrqAn0bMp4YpJcoOelbxApjs=
 github.com/charmbracelet/harmonica v0.2.0 h1:8NxJWRWg/bzKqqEaaeFNipOu77YR5t8aSwG4pgaUBiQ=
 github.com/charmbracelet/harmonica v0.2.0/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
 github.com/charmbracelet/lipgloss v0.5.0 h1:lulQHuVeodSgDez+3rGiuxlPVXSnhth442DATR2/8t8=
@@ -20,19 +20,17 @@ github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4
 github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b h1:1XF24mVaiu7u+CFywTdcDo2ie1pzzhwjt6RHqzpMU34=
 github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b/go.mod h1:fQuZ0gauxyBcmsdE3ZT4NasjaRdxmbCS0jRHsrWu3Ho=
-github.com/muesli/cancelreader v0.2.0 h1:SOpr+CfyVNce341kKqvbhhzQhBPyJRXQaCtn03Pae1Q=
+github.com/muesli/cancelreader v0.2.1 h1:Xzd1B4U5bWQOuSKuN398MyynIGTNT89dxzpEDsalXZs=
-github.com/muesli/cancelreader v0.2.0/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/muesli/cancelreader v0.2.1/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
 github.com/muesli/reflow v0.2.1-0.20210115123740-9e1d0d53df68/go.mod h1:Xk+z4oIWdQqJzsxyjgl3P22oYZnHdZ8FFTHAQQt5BMQ=
 github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
 github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
 github.com/muesli/termenv v0.11.1-0.20220204035834-5ac8409525e0/go.mod h1:Bd5NYQ7pd+SrtBSrSNoBBmXlcY8+Xj4BMJgh8qcZrvs=
-github.com/muesli/termenv v0.11.1-0.20220212125758-44cd13922739 h1:QANkGiGr39l1EESqrE0gZw0/AJNYzIvoGLhIoVYtluI=
 github.com/muesli/termenv v0.11.1-0.20220212125758-44cd13922739/go.mod h1:Bd5NYQ7pd+SrtBSrSNoBBmXlcY8+Xj4BMJgh8qcZrvs=
-github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/muesli/termenv v0.12.0 h1:KuQRUE3PgxRFWhq4gHvZtPSLCGDqM5q/cYr1pZ39ytc=
+github.com/muesli/termenv v0.12.0/go.mod h1:WCCv32tusQ/EEZ5S8oUIIrC/nIuBcxCVqlN4Xfkv+7A=
 github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
-github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
-github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/sahilm/fuzzy v0.1.0 h1:FzWGaw2Opqyu+794ZQ9SYifWv2EIXpwP4q8dY1kDAwI=
 github.com/sahilm/fuzzy v0.1.0/go.mod h1:VFvziUEIMCrT6A6tw2RFIXPXXmzXbOsSHF0DOI8ZK9Y=

key/key.go

@@ -106,7 +106,7 @@ func (b Binding) Help() Help {
 // keybindings won't be activated and won't show up in help. Keybindings are
 // enabled by default.
 func (b Binding) Enabled() bool {
-	return !b.disabled && b.keys != nil
+	return !b.disabled || b.keys == nil
 }
 
 // SetEnabled enables or disables the keybinding.
@@ -130,10 +130,9 @@ type Help struct {
 
 // Matches checks if the given KeyMsg matches the given bindings.
 func Matches(k tea.KeyMsg, b ...Binding) bool {
-	keys := k.String()
 	for _, binding := range b {
 		for _, v := range binding.keys {
-			if keys == v && binding.Enabled() {
+			if k.String() == v && binding.Enabled() {
 				return true
 			}
 		}

key/key_test.go

@@ -1,26 +0,0 @@
-package key
-
-import (
-	"testing"
-)
-
-func TestBinding_Enabled(t *testing.T) {
-	binding := NewBinding(
-		WithKeys("k", "up"),
-		WithHelp("↑/k", "move up"),
-	)
-	if !binding.Enabled() {
-		t.Errorf("expected key to be Enabled")
-	}
-
-	binding.SetEnabled(false)
-	if binding.Enabled() {
-		t.Errorf("expected key not to be Enabled")
-	}
-
-	binding.SetEnabled(true)
-	binding.Unbind()
-	if binding.Enabled() {
-		t.Errorf("expected key not to be Enabled")
-	}
-}

table/table.go

@@ -1,387 +0,0 @@
-package table
-
-import (
-	"strings"
-
-	"github.com/charmbracelet/bubbles/key"
-	"github.com/charmbracelet/bubbles/viewport"
-	tea "github.com/charmbracelet/bubbletea"
-	"github.com/charmbracelet/lipgloss"
-	"github.com/mattn/go-runewidth"
-)
-
-// Model defines a state for the table widget.
-type Model struct {
-	KeyMap KeyMap
-
-	cols   []Column
-	rows   []Row
-	cursor int
-	focus  bool
-	styles Styles
-
-	viewport viewport.Model
-}
-
-// Row represents one line in the table.
-type Row []string
-
-// Column defines the table structure.
-type Column struct {
-	Title string
-	Width int
-}
-
-// KeyMap defines keybindings. It satisfies to the help.KeyMap interface, which
-// is used to render the menu menu.
-type KeyMap struct {
-	LineUp       key.Binding
-	LineDown     key.Binding
-	PageUp       key.Binding
-	PageDown     key.Binding
-	HalfPageUp   key.Binding
-	HalfPageDown key.Binding
-	GotoTop      key.Binding
-	GotoBottom   key.Binding
-}
-
-// DefaultKeyMap returns a default set of keybindings.
-func DefaultKeyMap() KeyMap {
-	const spacebar = " "
-	return KeyMap{
-		LineUp: key.NewBinding(
-			key.WithKeys("up", "k"),
-			key.WithHelp("↑/k", "up"),
-		),
-		LineDown: key.NewBinding(
-			key.WithKeys("down", "j"),
-			key.WithHelp("↓/j", "down"),
-		),
-		PageUp: key.NewBinding(
-			key.WithKeys("b", "pgup"),
-			key.WithHelp("b", "page up"),
-		),
-		PageDown: key.NewBinding(
-			key.WithKeys("f", "pgup", spacebar),
-			key.WithHelp("f", "page down"),
-		),
-		HalfPageUp: key.NewBinding(
-			key.WithKeys("u", "ctrl+u"),
-			key.WithHelp("u", "½ page up"),
-		),
-		HalfPageDown: key.NewBinding(
-			key.WithKeys("d", "ctrl+d"),
-			key.WithHelp("d", "½ page down"),
-		),
-		GotoTop: key.NewBinding(
-			key.WithKeys("home", "g"),
-			key.WithHelp("g/home", "go to start"),
-		),
-		GotoBottom: key.NewBinding(
-			key.WithKeys("end", "G"),
-			key.WithHelp("G/end", "go to end"),
-		),
-	}
-}
-
-// Styles contains style definitions for this list component. By default, these
-// values are generated by DefaultStyles.
-type Styles struct {
-	Header   lipgloss.Style
-	Cell     lipgloss.Style
-	Selected lipgloss.Style
-}
-
-// DefaultStyles returns a set of default style definitions for this table.
-func DefaultStyles() Styles {
-	return Styles{
-		Selected: lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("212")),
-		Header:   lipgloss.NewStyle().Bold(true).Padding(0, 1),
-		Cell:     lipgloss.NewStyle().Padding(0, 1),
-	}
-}
-
-// SetStyles sets the table styles.
-func (m *Model) SetStyles(s Styles) {
-	m.styles = s
-	m.UpdateViewport()
-}
-
-// Option is used to set options in New. For example:
-//
-//    table := New(WithColumns([]Column{{Title: "ID", Width: 10}}))
-//
-type Option func(*Model)
-
-// New creates a new model for the table widget.
-func New(opts ...Option) Model {
-	m := Model{
-		cursor:   0,
-		viewport: viewport.New(0, 20),
-
-		KeyMap: DefaultKeyMap(),
-		styles: DefaultStyles(),
-	}
-
-	for _, opt := range opts {
-		opt(&m)
-	}
-
-	m.UpdateViewport()
-
-	return m
-}
-
-// WithColumns sets the table columns (headers).
-func WithColumns(cols []Column) Option {
-	return func(m *Model) {
-		m.cols = cols
-	}
-}
-
-// WithRows sets the table rows (data).
-func WithRows(rows []Row) Option {
-	return func(m *Model) {
-		m.rows = rows
-	}
-}
-
-// WithHeight sets the height of the table.
-func WithHeight(h int) Option {
-	return func(m *Model) {
-		m.viewport.Height = h
-	}
-}
-
-// WithWidth sets the width of the table.
-func WithWidth(w int) Option {
-	return func(m *Model) {
-		m.viewport.Width = w
-	}
-}
-
-// WithFocused sets the focus state of the table.
-func WithFocused(f bool) Option {
-	return func(m *Model) {
-		m.focus = f
-	}
-}
-
-// WithStyles sets the table styles.
-func WithStyles(s Styles) Option {
-	return func(m *Model) {
-		m.styles = s
-	}
-}
-
-// WithKeyMap sets the key map.
-func WithKeyMap(km KeyMap) Option {
-	return func(m *Model) {
-		m.KeyMap = km
-	}
-}
-
-// Update is the Bubble Tea update loop.
-func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
-	if !m.focus {
-		return m, nil
-	}
-
-	var cmds []tea.Cmd
-
-	switch msg := msg.(type) {
-	case tea.KeyMsg:
-		switch {
-		case key.Matches(msg, m.KeyMap.LineUp):
-			m.MoveUp(1)
-		case key.Matches(msg, m.KeyMap.LineDown):
-			m.MoveDown(1)
-		case key.Matches(msg, m.KeyMap.PageUp):
-			m.MoveUp(m.viewport.Height)
-		case key.Matches(msg, m.KeyMap.PageDown):
-			m.MoveDown(m.viewport.Height)
-		case key.Matches(msg, m.KeyMap.HalfPageUp):
-			m.MoveUp(m.viewport.Height / 2)
-		case key.Matches(msg, m.KeyMap.HalfPageDown):
-			m.MoveDown(m.viewport.Height / 2)
-		case key.Matches(msg, m.KeyMap.LineDown):
-			m.MoveDown(1)
-		case key.Matches(msg, m.KeyMap.GotoTop):
-			m.GotoTop()
-		case key.Matches(msg, m.KeyMap.GotoBottom):
-			m.GotoBottom()
-		}
-	}
-
-	return m, tea.Batch(cmds...)
-}
-
-// Focused returns the focus state of the table.
-func (m Model) Focused() bool {
-	return m.focus
-}
-
-// Focus focusses the table, allowing the user to move around the rows and
-// interact.
-func (m *Model) Focus() {
-	m.focus = true
-	m.UpdateViewport()
-}
-
-// Blur blurs the table, preventing selection or movement.
-func (m *Model) Blur() {
-	m.focus = false
-	m.UpdateViewport()
-}
-
-// View renders the component.
-func (m Model) View() string {
-	return m.headersView() + "\n" + m.viewport.View()
-}
-
-// UpdateViewport updates the list content based on the previously defined
-// columns and rows.
-func (m *Model) UpdateViewport() {
-	renderedRows := make([]string, 0, len(m.rows))
-	for i := range m.rows {
-		renderedRows = append(renderedRows, m.renderRow(i))
-	}
-
-	m.viewport.SetContent(
-		lipgloss.JoinVertical(lipgloss.Left, renderedRows...),
-	)
-}
-
-// SelectedRow returns the selected row.
-// You can cast it to your own implementation.
-func (m Model) SelectedRow() Row {
-	return m.rows[m.cursor]
-}
-
-// SetRows set a new rows state.
-func (m *Model) SetRows(r []Row) {
-	m.rows = r
-	m.UpdateViewport()
-}
-
-// SetWidth sets the width of the viewport of the table.
-func (m *Model) SetWidth(w int) {
-	m.viewport.Width = w
-	m.UpdateViewport()
-}
-
-// SetHeight sets the height of the viewport of the table.
-func (m *Model) SetHeight(h int) {
-	m.viewport.Height = h
-	m.UpdateViewport()
-}
-
-// Height returns the viewport height of the table.
-func (m Model) Height() int {
-	return m.viewport.Height
-}
-
-// Width returns the viewport width of the table.
-func (m Model) Width() int {
-	return m.viewport.Width
-}
-
-// Cursor returns the index of the selected row.
-func (m Model) Cursor() int {
-	return m.cursor
-}
-
-// MoveUp moves the selection up by any number of row.
-// It can not go above the first row.
-func (m *Model) MoveUp(n int) {
-	m.cursor = clamp(m.cursor-n, 0, len(m.rows)-1)
-	m.UpdateViewport()
-
-	if m.cursor < m.viewport.YOffset {
-		m.viewport.SetYOffset(m.cursor)
-	}
-}
-
-// MoveDown moves the selection down by any number of row.
-// It can not go below the last row.
-func (m *Model) MoveDown(n int) {
-	m.cursor = clamp(m.cursor+n, 0, len(m.rows)-1)
-	m.UpdateViewport()
-
-	if m.cursor > (m.viewport.YOffset + (m.viewport.Height - 1)) {
-		m.viewport.SetYOffset(m.cursor - (m.viewport.Height - 1))
-	}
-}
-
-// GotoTop moves the selection to the first row.
-func (m *Model) GotoTop() {
-	m.MoveUp(m.cursor)
-}
-
-// GotoBottom moves the selection to the last row.
-func (m *Model) GotoBottom() {
-	m.MoveDown(len(m.rows))
-}
-
-// FromValues create the table rows from a simple string. It uses `\n` by
-// default for getting all the rows and the given separator for the fields on
-// each row.
-func (m *Model) FromValues(value, separator string) {
-	rows := []Row{}
-	for _, line := range strings.Split(value, "\n") {
-		r := Row{}
-		for _, field := range strings.Split(line, separator) {
-			r = append(r, field)
-		}
-		rows = append(rows, r)
-	}
-
-	m.SetRows(rows)
-}
-
-func (m Model) headersView() string {
-	var s = make([]string, len(m.cols))
-	for _, col := range m.cols {
-		style := lipgloss.NewStyle().Width(col.Width).MaxWidth(col.Width).Inline(true)
-		renderedCell := style.Render(runewidth.Truncate(col.Title, col.Width, "…"))
-		s = append(s, m.styles.Header.Render(renderedCell))
-	}
-	return lipgloss.JoinHorizontal(lipgloss.Left, s...)
-}
-
-func (m *Model) renderRow(rowID int) string {
-	var s = make([]string, len(m.cols))
-	for i, value := range m.rows[rowID] {
-		style := lipgloss.NewStyle().Width(m.cols[i].Width).MaxWidth(m.cols[i].Width).Inline(true)
-		renderedCell := m.styles.Cell.Render(style.Render(runewidth.Truncate(value, m.cols[i].Width, "…")))
-		s = append(s, renderedCell)
-	}
-
-	row := lipgloss.JoinHorizontal(lipgloss.Left, s...)
-
-	if rowID == m.cursor {
-		return m.styles.Selected.Render(row)
-	}
-
-	return row
-}
-
-func max(a, b int) int {
-	if a > b {
-		return a
-	}
-
-	return b
-}
-
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-
-	return b
-}
-
-func clamp(v, low, high int) int {
-	return min(max(v, low), high)
-}

table/table_test.go

@@ -1,54 +0,0 @@
-package table
-
-import "testing"
-
-func TestFromValues(t *testing.T) {
-	input := "foo1,bar1\nfoo2,bar2\nfoo3,bar3"
-	table := New(WithColumns([]Column{{Title: "Foo"}, {Title: "Bar"}}))
-	table.FromValues(input, ",")
-
-	if len(table.rows) != 3 {
-		t.Fatalf("expect table to have 3 rows but it has %d", len(table.rows))
-	}
-
-	expect := []Row{
-		{"foo1", "bar1"},
-		{"foo2", "bar2"},
-		{"foo3", "bar3"},
-	}
-	if !deepEqual(table.rows, expect) {
-		t.Fatal("table rows is not equals to the input")
-	}
-}
-
-func TestFromValuesWithTabSeparator(t *testing.T) {
-	input := "foo1.\tbar1\nfoo,bar,baz\tbar,2"
-	table := New(WithColumns([]Column{{Title: "Foo"}, {Title: "Bar"}}))
-	table.FromValues(input, "\t")
-
-	if len(table.rows) != 2 {
-		t.Fatalf("expect table to have 2 rows but it has %d", len(table.rows))
-	}
-
-	expect := []Row{
-		{"foo1.", "bar1"},
-		{"foo,bar,baz", "bar,2"},
-	}
-	if !deepEqual(table.rows, expect) {
-		t.Fatal("table rows is not equals to the input")
-	}
-}
-
-func deepEqual(a, b []Row) bool {
-	if len(a) != len(b) {
-		return false
-	}
-	for i, r := range a {
-		for j, f := range r {
-			if f != b[i][j] {
-				return false
-			}
-		}
-	}
-	return true
-}

textarea/modal.go

@@ -1,791 +0,0 @@
-package textarea
-
-import (
-	"strconv"
-	"strings"
-	"unicode"
-
-	"github.com/charmbracelet/bubbles/cursor"
-	tea "github.com/charmbracelet/bubbletea"
-	rw "github.com/mattn/go-runewidth"
-)
-
-// Mode is the possible modes of the textarea for modal editing.
-type Mode string
-
-const (
-	// ModeNormal is the normal mode for navigating around text.
-	ModeNormal Mode = "normal"
-	// ModeInsert is the insert mode for inserting text.
-	ModeInsert Mode = "insert"
-)
-
-// SetMode sets the mode of the textarea.
-func (m *Model) SetMode(mode Mode) tea.Cmd {
-	switch mode {
-	case ModeInsert:
-		m.mode = ModeInsert
-		return m.Cursor.SetCursorMode(cursor.CursorBlink)
-	case ModeNormal:
-		m.mode = ModeNormal
-		m.col = clamp(m.col-1, 0, len(m.value[m.row]))
-		return m.Cursor.SetCursorMode(cursor.CursorStatic)
-	}
-	return nil
-}
-
-// Action is the type of action that will be performed when the user completes
-// a key combination.
-type Action int
-
-const (
-	// ActionMove moves the cursor.
-	ActionMove Action = iota
-	// ActionReplace replaces text.
-	ActionReplace
-	// ActionDelete deletes text.
-	ActionDelete
-	// ActionYank yanks text.
-	ActionYank
-	// ActionChange deletes text and enters insert mode.
-	ActionChange
-)
-
-// Position is a (row, column) pair representing a position of the cursor or
-// any character.
-type Position struct {
-	Row int
-	Col int
-}
-
-// Range is a range of characters in the text area.
-type Range struct {
-	Start Position
-	End   Position
-}
-
-// NormalCommand is a helper for keeping track of the various relevant information
-// when performing vim motions in the textarea.
-type NormalCommand struct {
-	// Buffer is the buffer of keys that have been press for the current
-	// command.
-	Buffer string
-	// Count is the number of times to replay the action. This is usually
-	// optional and defaults to 1.
-	Count int
-	// Action is the action to be performed.
-	Action Action
-	// Range is the range of characters to perform the action on.
-	Range Range
-	// Seeking is the type of seeking that is in progress.
-	Seeking SeekType
-}
-
-// SeekType are the possible types of seeking that can be in progress.
-type SeekType int
-
-const (
-	// SeekNone is the default seeking action.
-	SeekNone SeekType = iota
-	// SeekForwardTo is the seeking action for f.
-	SeekForwardTo // f
-	// SeekBackwardTo is the seeking action for F.
-	SeekBackwardTo // F
-	// SeekForwardUntil is the seeking action for t.
-	SeekForwardUntil // t
-	// SeekBackwardUntil is the seeking action for T.
-	SeekBackwardUntil // T
-	// SeekAround is the seeking action for a.
-	SeekAround // a
-	// SeekInner is the seeking action for i.
-	SeekInner // i
-)
-
-// IsSeeking returns whether the command is in the middle of seeking a range.
-func (n *NormalCommand) IsSeeking() bool {
-	return n.Seeking != SeekNone
-}
-
-// IsSeekingForward returns whether the seeking action is in the forward direction (f, t).
-func (n *NormalCommand) IsSeekingForward() bool {
-	return n.Seeking == SeekForwardTo || n.Seeking == SeekForwardUntil
-}
-
-// IsSeekingBackward returns whether the seeking action is in the backward direction (F, T).
-func (n *NormalCommand) IsSeekingBackward() bool {
-	return n.Seeking == SeekBackwardTo || n.Seeking == SeekBackwardUntil
-}
-
-// executeMsg executes a command.
-type executeMsg NormalCommand
-
-// executeCmd implements tea.Cmd for an executeMsg.
-func executeCmd(n NormalCommand) tea.Cmd {
-	return func() tea.Msg {
-		return executeMsg(n)
-	}
-}
-
-func (m *Model) insertUpdate(msg tea.Msg) tea.Cmd {
-	switch msg := msg.(type) {
-	case tea.KeyMsg:
-		switch msg.String() {
-		case "esc":
-			return m.SetMode(ModeNormal)
-		case "ctrl+k":
-			m.col = clamp(m.col, 0, len(m.value[m.row]))
-			if m.col >= len(m.value[m.row]) {
-				m.mergeLineBelow(m.row)
-				break
-			}
-			m.deleteAfterCursor()
-		case "ctrl+u":
-			m.col = clamp(m.col, 0, len(m.value[m.row]))
-			if m.col <= 0 {
-				m.mergeLineAbove(m.row)
-				break
-			}
-			m.deleteBeforeCursor()
-		case "backspace", "ctrl+h":
-			m.col = clamp(m.col, 0, len(m.value[m.row]))
-			if m.col <= 0 {
-				m.mergeLineAbove(m.row)
-				break
-			}
-			if len(m.value[m.row]) > 0 {
-				m.value[m.row] = append(m.value[m.row][:max(0, m.col-1)], m.value[m.row][m.col:]...)
-				if m.col > 0 {
-					m.SetCursor(m.col - 1)
-				}
-			}
-		case "delete", "ctrl+d":
-			if len(m.value[m.row]) > 0 && m.col < len(m.value[m.row]) {
-				m.value[m.row] = append(m.value[m.row][:m.col], m.value[m.row][m.col+1:]...)
-			}
-			if m.col >= len(m.value[m.row]) {
-				m.mergeLineBelow(m.row)
-				break
-			}
-		case "alt+backspace", "ctrl+w":
-			if m.col <= 0 {
-				m.mergeLineAbove(m.row)
-				break
-			}
-			m.deleteWordLeft()
-		case "alt+delete", "alt+d":
-			m.col = clamp(m.col, 0, len(m.value[m.row]))
-			if m.col >= len(m.value[m.row]) {
-				m.mergeLineBelow(m.row)
-				break
-			}
-			m.deleteWordRight()
-		case "enter", "ctrl+m":
-			if len(m.value) >= maxHeight {
-				return nil
-			}
-			m.col = clamp(m.col, 0, len(m.value[m.row]))
-			m.splitLine(m.row, m.col)
-		case "end", "ctrl+e":
-			m.CursorEnd()
-		case "home", "ctrl+a":
-			m.CursorStart()
-		case "right", "ctrl+f":
-			if m.col < len(m.value[m.row]) {
-				m.SetCursor(m.col + 1)
-			} else {
-				if m.row < len(m.value)-1 {
-					m.row++
-					m.CursorStart()
-				}
-			}
-		case "down", "ctrl+n":
-			m.CursorDown()
-		case "alt+right", "alt+f":
-			m.wordRight()
-		case "ctrl+v":
-			return Paste
-		case "left", "ctrl+b":
-			if m.col == 0 && m.row != 0 {
-				m.row--
-				m.CursorEnd()
-				break
-			}
-			if m.col > 0 {
-				m.SetCursor(m.col - 1)
-			}
-		case "up", "ctrl+p":
-			m.CursorUp()
-		case "alt+left", "alt+b":
-			m.wordLeft()
-		default:
-			if m.CharLimit > 0 && rw.StringWidth(m.Value()) >= m.CharLimit {
-				break
-			}
-
-			m.col = min(m.col, len(m.value[m.row]))
-			m.value[m.row] = append(m.value[m.row][:m.col], append(msg.Runes, m.value[m.row][m.col:]...)...)
-			m.SetCursor(m.col + len(msg.Runes))
-		}
-
-	case pasteMsg:
-		m.handlePaste(string(msg))
-
-	case pasteErrMsg:
-		m.Err = msg
-	}
-
-	return nil
-}
-
-func (m *Model) normalUpdate(msg tea.Msg) tea.Cmd {
-	switch msg := msg.(type) {
-	case tea.KeyMsg:
-		if m.command.IsSeeking() {
-			return m.seekingUpdate(msg)
-		}
-
-		if m.command.Action == ActionReplace {
-			for i := m.col; i < m.col+max(m.command.Count, 1); i++ {
-				if i >= len(m.value[m.row]) || len(msg.Runes) <= 0 {
-					break
-				}
-				m.value[m.row][i] = msg.Runes[0]
-			}
-			m.command = &NormalCommand{}
-			break
-		}
-
-		if !strings.ContainsAny(msg.String(), "jk") {
-			m.lastCharOffset = 0
-		}
-
-		switch msg.String() {
-		case "esc":
-			m.command = &NormalCommand{}
-			return m.SetMode(ModeNormal)
-		case "0", "1", "2", "3", "4", "5", "6", "7", "8", "9":
-			if m.command.Count == 0 && msg.String() == "0" {
-				m.command.Range = Range{
-					Start: Position{Row: m.row, Col: m.col},
-					End:   Position{Row: m.row, Col: 0},
-				}
-				return executeCmd(*m.command)
-			}
-
-			v := m.command.Buffer + msg.String()
-			count, err := strconv.Atoi(v)
-			if err != nil {
-				count, _ = strconv.Atoi(msg.String())
-				m.command.Buffer = msg.String()
-				m.command.Count = count
-			} else {
-				m.command.Buffer = v
-				m.command.Count = count
-			}
-		case "o":
-			m.CursorEnd()
-			m.splitLine(m.row, m.col)
-			return m.SetMode(ModeInsert)
-		case "O":
-			m.CursorStart()
-			m.splitLine(m.row, m.col)
-			m.CursorUp()
-			return m.SetMode(ModeInsert)
-		case "G":
-			var row int
-			if m.command.Count > 0 {
-				row = m.command.Count - 1
-			} else {
-				row = len(m.value) - 1
-			}
-			m.command.Range = Range{
-				Start: Position{Row: row, Col: m.col},
-				End:   Position{Row: clamp(row, 0, len(m.value)-1), Col: m.col},
-			}
-			return executeCmd(*m.command)
-		case "g":
-			if m.command.Buffer == "g" {
-				m.command.Range = Range{
-					Start: Position{Row: 0, Col: m.col},
-					End:   Position{Row: 0, Col: clamp(m.col, 0, len(m.value[0]))},
-				}
-				return executeCmd(*m.command)
-			}
-			m.command.Buffer = "g"
-		case "x":
-			m.command.Action = ActionDelete
-			m.command.Range = Range{
-				Start: Position{Row: m.row, Col: m.col},
-				End:   Position{Row: m.row, Col: m.col + max(m.command.Count, 1)},
-			}
-			return executeCmd(*m.command)
-		case "X":
-			m.command.Action = ActionDelete
-			m.command.Range = Range{
-				Start: Position{Row: m.row, Col: m.col},
-				End:   Position{Row: m.row, Col: m.col - max(m.command.Count, 1)},
-			}
-			return executeCmd(*m.command)
-		case "c":
-			if m.command.Action == ActionChange {
-				m.CursorStart()
-				m.deleteAfterCursor()
-				m.command = &NormalCommand{}
-				return m.SetMode(ModeInsert)
-			}
-			m.command.Action = ActionChange
-		case "d":
-			if m.command.Action == ActionDelete {
-				for i := 0; i < max(m.command.Count, 1); i++ {
-					m.value[m.row] = []rune{}
-					if m.row < len(m.value)-1 {
-						m.mergeLineBelow(m.row)
-					} else {
-						m.mergeLineAbove(m.row)
-					}
-				}
-				m.command = &NormalCommand{}
-				return nil
-			}
-			m.command.Action = ActionDelete
-		case "y":
-			m.command.Action = ActionYank
-		case "t", "T", "f", "F":
-			m.command.Buffer = msg.String()
-			switch msg.String() {
-			case "t":
-				m.command.Seeking = SeekForwardUntil
-			case "T":
-				m.command.Seeking = SeekBackwardUntil
-			case "f":
-				m.command.Seeking = SeekForwardTo
-			case "F":
-				m.command.Seeking = SeekBackwardTo
-			}
-		case "r":
-			m.command.Action = ActionReplace
-		case "i":
-			if m.command.Action != ActionMove {
-				m.command.Buffer = "i"
-				m.command.Seeking = SeekInner
-				return nil
-			}
-			m.command.Range = Range{
-				Start: Position{Row: m.row, Col: m.col},
-				End:   Position{Row: m.row, Col: m.col},
-			}
-			return tea.Sequentially(executeCmd(*m.command), m.SetMode(ModeInsert))
-		case "I":
-			m.command.Range = Range{
-				Start: Position{Row: m.row, Col: m.col},
-				End:   Position{Row: m.row, Col: 0},
-			}
-			return tea.Sequentially(executeCmd(*m.command), m.SetMode(ModeInsert))
-		case "a":
-			if m.command.Action != ActionMove {
-				m.command.Buffer = "a"
-				m.command.Seeking = SeekAround
-				return nil
-			}
-
-			m.command.Range = Range{
-				Start: Position{Row: m.row, Col: m.col},
-				End:   Position{Row: m.row, Col: m.col + 1},
-			}
-			return tea.Sequentially(executeCmd(*m.command), m.SetMode(ModeInsert))
-		case "A":
-			m.command.Range = Range{
-				Start: Position{Row: m.row, Col: m.col},
-				End:   Position{Row: m.row, Col: len(m.value[m.row]) + 1},
-			}
-			return tea.Sequentially(executeCmd(*m.command), m.SetMode(ModeInsert))
-		case "^":
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   Position{m.row, 0},
-			}
-			return executeCmd(*m.command)
-		case "$":
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   Position{m.row, len(m.value[m.row])},
-			}
-			return executeCmd(*m.command)
-		case "e", "E":
-			end := m.findWordEndRight(max(m.command.Count, 1), msg.String() == "E")
-			if m.command.Action == ActionDelete || m.command.Action == ActionChange {
-				end.Col = min(end.Col+1, len(m.value[end.Row]))
-			}
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   end,
-			}
-			return executeCmd(*m.command)
-		case "w", "W":
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   m.findWordStartRight(max(m.command.Count, 1), msg.String() == "W"),
-			}
-			return executeCmd(*m.command)
-		case "b", "B":
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   m.findWordLeft(max(m.command.Count, 1), msg.String() == "B"),
-			}
-			return executeCmd(*m.command)
-		case "h", "l":
-			direction := 1
-			if msg.String() == "h" {
-				direction = -1
-			}
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   Position{m.row, clamp(m.col+(direction*max(m.command.Count, 1)), 0, len(m.value[m.row]))},
-			}
-			return executeCmd(*m.command)
-		case "j", "k":
-			direction := 1
-			if msg.String() == "k" {
-				direction = -1
-			}
-			row := clamp(m.row+(direction*max(m.command.Count, 1)), 0, len(m.value)-1)
-			li := m.LineInfo()
-			charOffset := max(m.lastCharOffset, li.CharOffset)
-			m.lastCharOffset = charOffset
-
-			rowContent := m.value[row]
-			charWidth := rw.StringWidth(string(rowContent))
-
-			col := 0
-			offset := 0
-
-			for offset < charOffset {
-				if col > len(m.value[row]) || offset >= charWidth-1 {
-					break
-				}
-				offset += rw.RuneWidth(m.value[row][col])
-				col++
-			}
-
-			m.command.Range = Range{
-				Start: Position{m.row, m.col},
-				End:   Position{row, col},
-			}
-			return executeCmd(*m.command)
-		case "C":
-			m.deleteAfterCursor()
-			m.command = &NormalCommand{}
-			return m.SetMode(ModeInsert)
-		case "D":
-			m.deleteAfterCursor()
-			m.command = &NormalCommand{}
-			return nil
-		case "J":
-			m.CursorEnd()
-			m.mergeLineBelow(m.row)
-			m.command = &NormalCommand{}
-			return nil
-		case "p":
-			return Paste
-		}
-	case executeMsg:
-		switch m.command.Action {
-		case ActionDelete:
-			m.deleteRange(m.command.Range)
-		case ActionChange:
-			m.deleteRange(m.command.Range)
-			return m.SetMode(ModeInsert)
-		case ActionMove:
-			row := clamp(m.command.Range.End.Row, 0, len(m.value)-1)
-			m.row = row
-			m.col = clamp(m.command.Range.End.Col, 0, len(m.value[row]))
-		}
-		m.command = &NormalCommand{}
-
-	case pasteMsg:
-		m.handlePaste(string(msg))
-	}
-
-	return nil
-}
-
-func (m *Model) seekingUpdate(msg tea.KeyMsg) tea.Cmd {
-	if len(msg.Runes) <= 0 {
-		m.command = &NormalCommand{}
-	}
-	if msg.Runes[0] == 'w' || msg.Runes[0] == 'W' {
-		m.command.Range = m.findPairRange(msg.Runes[0])
-		return executeCmd(*m.command)
-	}
-	switch m.command.Buffer {
-	case "a":
-		m.command.Range = m.findPairRange(msg.Runes[0])
-		return executeCmd(*m.command)
-	case "i":
-		pr := m.findPairRange(msg.Runes[0])
-
-		pr.Start.Col++
-		pr.End.Col--
-
-		m.command.Range = pr
-		return executeCmd(*m.command)
-	case "f":
-		end := m.findCharRight(msg.Runes[0])
-		m.command.Range = Range{
-			Start: Position{m.row, m.col},
-			End:   end,
-		}
-	case "F":
-		start := m.findCharLeft(msg.Runes[0])
-		m.command.Range = Range{
-			Start: start,
-			End:   Position{m.row, m.col},
-		}
-	case "t":
-		end := m.findCharRight(msg.Runes[0])
-		end.Col--
-		m.command.Range = Range{
-			Start: Position{m.row, m.col},
-			End:   end,
-		}
-	case "T":
-		start := m.findCharLeft(msg.Runes[0])
-		start.Col++
-		m.command.Range = Range{
-			Start: start,
-			End:   Position{m.row, m.col},
-		}
-	}
-	return executeCmd(*m.command)
-}
-
-func (m *Model) findCharLeft(r rune) Position {
-	col := m.col
-
-	for col > 0 {
-		col--
-		if m.value[m.row][col] == r {
-			return Position{m.row, col}
-		}
-	}
-	return Position{m.row, m.col}
-}
-
-func (m *Model) findCharRight(r rune) Position {
-	col := m.col
-
-	for col < len(m.value[m.row]) {
-		if m.value[m.row][col] == r {
-			return Position{m.row, col}
-		}
-		col++
-	}
-	return Position{m.row, m.col}
-}
-
-func (m *Model) findPairRange(r rune) Range {
-	var startRune, endRune rune
-
-	switch r {
-	case 'w', 'W':
-		return Range{
-			Start: m.findWordLeft(0, r == 'W'),
-			End:   m.findWordEndRight(1, true),
-		}
-	case '(', ')':
-		startRune, endRune = '(', ')'
-	case '{', '}':
-		startRune, endRune = '{', '}'
-	case '[', ']':
-		startRune, endRune = '[', ']'
-	case '<', '>':
-		startRune, endRune = '<', '>'
-	case '"', '\'':
-		startRune, endRune = r, r
-	default:
-		m.command = &NormalCommand{}
-		return Range{
-			Start: Position{m.row, m.col},
-			End:   Position{m.row, m.col},
-		}
-	}
-
-	return Range{
-		Start: m.findCharLeft(startRune),
-		End:   m.findCharRight(endRune),
-	}
-}
-
-// findWordLeft locates the start of the word on the left of the current word.
-// It takes whether or not to break words on spaces or any non-alpha-numeric
-// character as an argument.
-func (m *Model) findWordLeft(count int, ignorePunctuation bool) Position {
-	wordBreak := isSoftWordBreak
-	if ignorePunctuation {
-		wordBreak = isWordBreak
-	}
-
-	if count == 0 {
-		if wordBreak(m.value[m.row][m.col-1]) {
-			return Position{m.row, m.col}
-		}
-		count = 1
-	}
-
-	row, col := m.row, m.col
-
-	for count > 0 {
-		if col <= 0 && row > 0 {
-			row--
-			col = len(m.value[row]) - 1
-		}
-
-		// Skip all spaces (and punctuation) to the left of the cursor.
-		for col > 0 && wordBreak(m.value[row][col-1]) {
-			col--
-		}
-
-		// Then skip all non-spaces to the left of the cursor.
-		for col > 0 && !wordBreak(m.value[row][col-1]) {
-			col--
-		}
-
-		count--
-
-		if row <= 0 && col <= 0 {
-			break
-		}
-	}
-
-	return Position{Row: row, Col: col}
-}
-
-// findWordStartRight locates the start of the next word. It takes whether or not to
-// break words on spaces or any non-alpha-numeric character as an argument.
-func (m *Model) findWordStartRight(count int, ignorePunctuation bool) Position {
-	wordBreak := isSoftWordBreak
-	if ignorePunctuation {
-		wordBreak = isWordBreak
-	}
-
-	row, col := m.row, m.col
-
-	for count > 0 {
-		if col >= len(m.value[row])-1 && row < len(m.value)-1 {
-			row++
-			col = 0
-		}
-
-		// Skip until the start of a word is found.
-		for col < len(m.value[row]) && !wordBreak(m.value[row][col]) {
-			col++
-		}
-		// Skip all spaces to the right of the cursor.
-		for col < len(m.value[row])-1 && wordBreak(m.value[row][col]) {
-			col++
-		}
-		count--
-
-		if row >= len(m.value)-1 && col >= len(m.value[row])-1 {
-			break
-		}
-	}
-
-	return Position{Row: row, Col: col}
-}
-
-// findWordEndRight locates the start of the next word. It takes whether or not to
-// break words on spaces or any non-alpha-numeric character as an argument.
-func (m *Model) findWordEndRight(count int, ignorePunctuation bool) Position {
-	wordBreak := isSoftWordBreak
-	if ignorePunctuation {
-		wordBreak = isWordBreak
-	}
-
-	row, col := m.row, m.col
-
-	for count > 0 {
-		if col > len(m.value[row]) && row < len(m.value)-1 {
-			row++
-			col = 0
-		}
-
-		// Skip all spaces to the right of the cursor.
-		for col < len(m.value[row])-1 && wordBreak(m.value[row][col+1]) {
-			col++
-		}
-
-		// Then skip all non-spaces to the right of the cursor.
-		for col < len(m.value[row])-1 && !wordBreak(m.value[row][col+1]) {
-			col++
-		}
-
-		count--
-
-		if row <= 0 && col <= 0 {
-			break
-		}
-	}
-
-	return Position{Row: row, Col: col}
-}
-
-func isWordBreak(char rune) bool {
-	return unicode.IsSpace(char)
-}
-
-func isSoftWordBreak(char rune) bool {
-	return unicode.IsSpace(char) || unicode.IsPunct(char)
-}
-
-func (m *Model) deleteRange(r Range) {
-	if r.Start.Row == r.End.Row && r.Start.Col == r.End.Col {
-		return
-	}
-
-	minCol, maxCol := min(r.Start.Col, r.End.Col), max(r.Start.Col, r.End.Col)
-
-	minCol = clamp(minCol, 0, len(m.value[r.Start.Row]))
-	maxCol = clamp(maxCol, 0, len(m.value[r.Start.Row]))
-
-	if r.Start.Row == r.End.Row {
-		// If the action is delete and from a seek action, we need to delete
-		// the range inclusively.
-		if m.command.IsSeeking() {
-			if m.command.IsSeekingForward() {
-				maxCol = min(maxCol+1, len(m.value[r.Start.Row]))
-			} else if m.command.IsSeekingBackward() {
-				minCol = max(minCol-1, 0)
-			} else if m.command.Seeking == SeekAround || m.command.Seeking == SeekInner {
-				maxCol = min(maxCol+1, len(m.value[r.Start.Row]))
-			}
-		}
-
-		m.value[r.Start.Row] = append(m.value[r.Start.Row][:minCol], m.value[r.Start.Row][maxCol:]...)
-		m.SetCursor(minCol)
-		return
-	}
-
-	minRow, maxRow := min(r.Start.Row, r.End.Row), max(r.Start.Row, r.End.Row)
-
-	if maxRow-minRow == 1 {
-		if r.Start.Row < r.End.Row {
-			m.value[r.Start.Row] = append([]rune{}, m.value[r.Start.Row][:r.Start.Col]...)
-			m.value[r.End.Row] = append([]rune{}, m.value[r.End.Row][r.End.Col:]...)
-			m.mergeLineBelow(minRow)
-		} else {
-			m.value[r.Start.Row] = append([]rune{}, m.value[r.Start.Row][r.Start.Col:]...)
-			m.value[r.End.Row] = append([]rune{}, m.value[r.End.Row][:r.End.Col]...)
-			m.mergeLineAbove(maxRow)
-		}
-		return
-	}
-
-	for i := max(minRow, 0); i <= min(maxRow, len(m.value)-1); i++ {
-		m.value[i] = []rune{}
-	}
-
-	m.value = append(m.value[:minRow], m.value[maxRow:]...)
-
-	m.row = clamp(0, minRow, len(m.value))
-}

textarea/textarea.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/atotto/clipboard"
 	"github.com/charmbracelet/bubbles/cursor"
+	"github.com/charmbracelet/bubbles/key"
 	"github.com/charmbracelet/bubbles/viewport"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
@@ -27,6 +28,47 @@ const (
 type pasteMsg string
 type pasteErrMsg struct{ error }
 
+// KeyMap is the key bindings for different actions within the textarea.
+type KeyMap struct {
+	CharacterBackward       key.Binding
+	CharacterForward        key.Binding
+	DeleteAfterCursor       key.Binding
+	DeleteBeforeCursor      key.Binding
+	DeleteCharacterBackward key.Binding
+	DeleteCharacterForward  key.Binding
+	DeleteWordBackward      key.Binding
+	DeleteWordForward       key.Binding
+	InsertNewline           key.Binding
+	LineEnd                 key.Binding
+	LineNext                key.Binding
+	LinePrevious            key.Binding
+	LineStart               key.Binding
+	Paste                   key.Binding
+	WordBackward            key.Binding
+	WordForward             key.Binding
+}
+
+// DefaultKeyMap is the default set of key bindings for navigating and acting
+// upon the textarea.
+var DefaultKeyMap = KeyMap{
+	CharacterForward:        key.NewBinding(key.WithKeys("right", "ctrl+f")),
+	CharacterBackward:       key.NewBinding(key.WithKeys("left", "ctrl+b")),
+	WordForward:             key.NewBinding(key.WithKeys("alt+right", "alt+f")),
+	WordBackward:            key.NewBinding(key.WithKeys("alt+left", "alt+b")),
+	LineNext:                key.NewBinding(key.WithKeys("down", "ctrl+n")),
+	LinePrevious:            key.NewBinding(key.WithKeys("up", "ctrl+p")),
+	DeleteWordBackward:      key.NewBinding(key.WithKeys("alt+backspace", "ctrl+w")),
+	DeleteWordForward:       key.NewBinding(key.WithKeys("alt+delete", "alt+d")),
+	DeleteAfterCursor:       key.NewBinding(key.WithKeys("ctrl+k")),
+	DeleteBeforeCursor:      key.NewBinding(key.WithKeys("ctrl+u")),
+	InsertNewline:           key.NewBinding(key.WithKeys("enter", "ctrl+m")),
+	DeleteCharacterBackward: key.NewBinding(key.WithKeys("backspace", "ctrl+h")),
+	DeleteCharacterForward:  key.NewBinding(key.WithKeys("delete", "ctrl+d")),
+	LineStart:               key.NewBinding(key.WithKeys("home", "ctrl+a")),
+	LineEnd:                 key.NewBinding(key.WithKeys("end", "ctrl+e")),
+	Paste:                   key.NewBinding(key.WithKeys("ctrl+v")),
+}
+
 // LineInfo is a helper for keeping track of line information regarding
 // soft-wrapped lines.
 type LineInfo struct {
@@ -79,6 +121,7 @@ type Model struct {
 	Placeholder          string
 	ShowLineNumbers      bool
 	EndOfBufferCharacter rune
+	KeyMap               KeyMap
 
 	// Styling. FocusedStyle and BlurredStyle are used to style the textarea in
 	// focused and blurred states.
@@ -119,12 +162,6 @@ type Model struct {
 	// Cursor row.
 	row int
 
-	// mode is the current mode of the textarea.
-	mode Mode
-
-	// command is the normal command of the textarea.
-	command *NormalCommand
-
 	// Last character offset, used to maintain state when the cursor is moved
 	// vertically such that we can maintain the same navigating position.
 	lastCharOffset int
@@ -154,14 +191,13 @@ func New() Model {
 		EndOfBufferCharacter: '~',
 		ShowLineNumbers:      true,
 		Cursor:               cur,
+		KeyMap:               DefaultKeyMap,
 
-		value:            make([][]rune, minHeight, maxHeight),
+		value:            make([][]rune, minHeight, maxWidth),
-		mode:             ModeInsert,
 		focus:            false,
 		col:              0,
 		row:              0,
 		lineNumberFormat: "%2v ",
-		command:          &NormalCommand{},
 
 		viewport: &vp,
 	}
@@ -181,7 +217,7 @@ func DefaultStyles() (Style, Style) {
 		CursorLineNumber: lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "240"}),
 		EndOfBuffer:      lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "254", Dark: "0"}),
 		LineNumber:       lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "249", Dark: "7"}),
-		Placeholder:      lipgloss.NewStyle().Foreground(lipgloss.Color("240")),
+		Placeholder:      lipgloss.NewStyle().Foreground(lipgloss.Color("7")),
 		Prompt:           lipgloss.NewStyle().Foreground(lipgloss.Color("7")),
 		Text:             lipgloss.NewStyle(),
 	}
@@ -191,7 +227,7 @@ func DefaultStyles() (Style, Style) {
 		CursorLineNumber: lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "249", Dark: "7"}),
 		EndOfBuffer:      lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "254", Dark: "0"}),
 		LineNumber:       lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "249", Dark: "7"}),
-		Placeholder:      lipgloss.NewStyle().Foreground(lipgloss.Color("240")),
+		Placeholder:      lipgloss.NewStyle().Foreground(lipgloss.Color("7")),
 		Prompt:           lipgloss.NewStyle().Foreground(lipgloss.Color("7")),
 		Text:             lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "245", Dark: "7"}),
 	}
@@ -235,13 +271,13 @@ func (m Model) Value() string {
 		return ""
 	}
 
-	var v strings.Builder
+	var v string
 	for _, l := range m.value {
-		v.WriteString(string(l))
+		v += string(l)
-		v.WriteByte('\n')
+		v += "\n"
 	}
 
-	return strings.TrimSuffix(v.String(), "\n")
+	return strings.TrimSuffix(v, "\n")
 }
 
 // Length returns the number of characters currently in the text input.
@@ -250,12 +286,7 @@ func (m *Model) Length() int {
 	for _, row := range m.value {
 		l += rw.StringWidth(string(row))
 	}
-	return l + len(m.value) - 1
+	return l
-}
-
-// LineCount returns the number of lines that are currently in the text input.
-func (m *Model) LineCount() int {
-	return len(m.value)
 }
 
 // Line returns the line position.
@@ -263,11 +294,6 @@ func (m Model) Line() int {
 	return m.row
 }
 
-// NormalCommand returns the normal command.
-func (m *Model) NormalCommand() *NormalCommand {
-	return m.command
-}
-
 // CursorDown moves the cursor down by one line.
 // Returns whether or not the cursor blink should be reset.
 func (m *Model) CursorDown() {
@@ -378,7 +404,7 @@ func (m *Model) Blur() {
 
 // Reset sets the input to its default state with no input.
 func (m *Model) Reset() {
-	m.value = make([][]rune, minHeight, maxHeight)
+	m.value = make([][]rune, minHeight, maxWidth)
 	m.col = 0
 	m.row = 0
 	m.viewport.GotoTop()
@@ -682,21 +708,109 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 		m.value[m.row] = make([]rune, 0)
 	}
 
-	var cmd tea.Cmd
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch {
+		case key.Matches(msg, m.KeyMap.DeleteAfterCursor):
+			m.col = clamp(m.col, 0, len(m.value[m.row]))
+			if m.col >= len(m.value[m.row]) {
+				m.mergeLineBelow(m.row)
+				break
+			}
+			m.deleteAfterCursor()
+		case key.Matches(msg, m.KeyMap.DeleteBeforeCursor):
+			m.col = clamp(m.col, 0, len(m.value[m.row]))
+			if m.col <= 0 {
+				m.mergeLineAbove(m.row)
+				break
+			}
+			m.deleteBeforeCursor()
+		case key.Matches(msg, m.KeyMap.DeleteCharacterBackward):
+			m.col = clamp(m.col, 0, len(m.value[m.row]))
+			if m.col <= 0 {
+				m.mergeLineAbove(m.row)
+				break
+			}
+			if len(m.value[m.row]) > 0 {
+				m.value[m.row] = append(m.value[m.row][:max(0, m.col-1)], m.value[m.row][m.col:]...)
+				if m.col > 0 {
+					m.SetCursor(m.col - 1)
+				}
+			}
+		case key.Matches(msg, m.KeyMap.DeleteCharacterForward):
+			if len(m.value[m.row]) > 0 && m.col < len(m.value[m.row]) {
+				m.value[m.row] = append(m.value[m.row][:m.col], m.value[m.row][m.col+1:]...)
+			}
+			if m.col >= len(m.value[m.row]) {
+				m.mergeLineBelow(m.row)
+				break
+			}
+		case key.Matches(msg, m.KeyMap.DeleteWordBackward):
+			if m.col <= 0 {
+				m.mergeLineAbove(m.row)
+				break
+			}
+			m.deleteWordLeft()
+		case key.Matches(msg, m.KeyMap.DeleteWordForward):
+			m.col = clamp(m.col, 0, len(m.value[m.row]))
+			if m.col >= len(m.value[m.row]) {
+				m.mergeLineBelow(m.row)
+				break
+			}
+			m.deleteWordRight()
+		case key.Matches(msg, m.KeyMap.InsertNewline):
+			if len(m.value) >= maxHeight {
+				return m, nil
+			}
+			m.col = clamp(m.col, 0, len(m.value[m.row]))
+			m.splitLine(m.row, m.col)
+		case key.Matches(msg, m.KeyMap.LineEnd):
+			m.CursorEnd()
+		case key.Matches(msg, m.KeyMap.LineStart):
+			m.CursorStart()
+		case key.Matches(msg, m.KeyMap.CharacterForward):
+			if m.col < len(m.value[m.row]) {
+				m.SetCursor(m.col + 1)
+			} else {
+				if m.row < len(m.value)-1 {
+					m.row++
+					m.CursorStart()
+				}
+			}
+		case key.Matches(msg, m.KeyMap.LineNext):
+			m.CursorDown()
+		case key.Matches(msg, m.KeyMap.WordForward):
+			m.wordRight()
+		case key.Matches(msg, m.KeyMap.Paste):
+			return m, Paste
+		case key.Matches(msg, m.KeyMap.CharacterBackward):
+			if m.col == 0 && m.row != 0 {
+				m.row--
+				m.CursorEnd()
+				break
+			}
+			if m.col > 0 {
+				m.SetCursor(m.col - 1)
+			}
+		case key.Matches(msg, m.KeyMap.LinePrevious):
+			m.CursorUp()
+		case key.Matches(msg, m.KeyMap.WordBackward):
+			m.wordLeft()
+		default:
+			if rw.StringWidth(m.Value()) >= m.CharLimit {
+				break
+			}
 
-	switch m.mode {
+			m.col = min(m.col, len(m.value[m.row]))
-	case ModeInsert:
+			m.value[m.row] = append(m.value[m.row][:m.col], append(msg.Runes, m.value[m.row][m.col:]...)...)
-		cmd = m.insertUpdate(msg)
+			m.SetCursor(m.col + len(msg.Runes))
-		cmds = append(cmds, cmd)
-		// Sometimes, we need to enter insert mode after executing a command.
-		switch msg.(type) {
-		case executeMsg:
-			cmd = m.normalUpdate(msg)
-			cmds = append(cmds, cmd)
 		}
-	case ModeNormal:
+
-		cmd = m.normalUpdate(msg)
+	case pasteMsg:
-		cmds = append(cmds, cmd)
+		m.handlePaste(string(msg))
+
+	case pasteErrMsg:
+		m.Err = msg
 	}
 
 	vp, cmd := m.viewport.Update(msg)
@@ -705,7 +819,7 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 
 	newRow, newCol := m.cursorLineNumber(), m.col
 	m.Cursor, cmd = m.Cursor.Update(msg)
-	if m.mode == ModeInsert && (newRow != oldRow || newCol != oldCol) {
+	if newRow != oldRow || newCol != oldCol {
 		m.Cursor.Blink = false
 		cmd = m.Cursor.BlinkCmd()
 	}

textinput/textinput.go

@@ -611,7 +611,7 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 	switch msg := msg.(type) {
 	case tea.KeyMsg:
 		switch msg.Type {
-		case tea.KeyBackspace, tea.KeyCtrlH: // delete character before cursor
+		case tea.KeyBackspace: // delete character before cursor
 			m.Err = nil
 
 			if msg.Alt {

viewport/viewport.go

@@ -10,7 +10,7 @@ import (
 )
 
 // New returns a new model with the given width and height as well as default
-// key mappings.
+// keymappings.
 func New(width, height int) (m Model) {
 	m.Width = width
 	m.Height = height
@@ -237,7 +237,7 @@ func Sync(m Model) tea.Cmd {
 }
 
 // ViewDown is a high performance command that moves the viewport up by a given
-// number of lines. Use Model.ViewDown to get the lines that should be rendered.
+// numer of lines. Use Model.ViewDown to get the lines that should be rendered.
 // For example:
 //
 //     lines := model.ViewDown(1)
@@ -344,10 +344,10 @@ func (m Model) updateAsModel(msg tea.Msg) (Model, tea.Cmd) {
 func (m Model) View() string {
 	if m.HighPerformanceRendering {
 		// Just send newlines since we're going to be rendering the actual
-		// content separately. We still need to send something that equals the
+		// content seprately. We still need to send something that equals the
 		// height of this view so that the Bubble Tea standard renderer can
 		// position anything below this view properly.
-		return strings.Repeat("\n", max(0, m.Height-1))
+		return strings.Repeat("\n", m.Height-1)
 	}
 
 	lines := m.visibleLines()