fix: removed chroma from project

go.mod

@@ -3,12 +3,11 @@ module git.gophernest.net/azpect/TextEditor
 go 1.25.5
 
 require (
-	github.com/alecthomas/chroma/v2 v2.23.1
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
 	github.com/charmbracelet/x/exp/teatest v0.0.0-20260209132835-6b065b8ba62c
 	github.com/tree-sitter/go-tree-sitter v0.25.0
-	github.com/tree-sitter/tree-sitter-javascript v0.25.0
+	github.com/tree-sitter/tree-sitter-go v0.25.0
 )
 
 require (
@@ -22,7 +21,6 @@ require (
 	github.com/clipperhouse/displaywidth v0.9.0 // indirect
 	github.com/clipperhouse/stringish v0.1.1 // indirect
 	github.com/clipperhouse/uax29/v2 v2.5.0 // indirect
-	github.com/dlclark/regexp2 v1.11.5 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
@@ -33,7 +31,7 @@ require (
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/tree-sitter/tree-sitter-go v0.25.0 // indirect
+	github.com/tree-sitter/tree-sitter-javascript v0.25.0 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	golang.org/x/sys v0.38.0 // indirect
 	golang.org/x/text v0.28.0 // indirect

go.sum

@@ -1,9 +1,3 @@
-github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8vS6K3D0=
-github.com/alecthomas/assert/v2 v2.11.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
-github.com/alecthomas/chroma/v2 v2.23.1 h1:nv2AVZdTyClGbVQkIzlDm/rnhk1E9bU9nXwmZ/Vk/iY=
-github.com/alecthomas/chroma/v2 v2.23.1/go.mod h1:NqVhfBR0lte5Ouh3DcthuUCTUpDC9cxBOfyMbMQPs3o=
-github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
-github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
 github.com/aymanbagabas/go-udiff v0.3.1 h1:LV+qyBQ2pqe0u42ZsUEtPiCaUoqgA9gYRDs3vj1nolY=
@@ -32,12 +26,8 @@ github.com/clipperhouse/uax29/v2 v2.5.0 h1:x7T0T4eTHDONxFJsL94uKNKPHrclyFI0lm7+w
 github.com/clipperhouse/uax29/v2 v2.5.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZQ=
-github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
-github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
-github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
 github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
 github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=

internal/command/handlers.go

@@ -13,7 +13,6 @@ import (
 	"git.gophernest.net/azpect/TextEditor/internal/action"
 	"git.gophernest.net/azpect/TextEditor/internal/core"
 	"git.gophernest.net/azpect/TextEditor/internal/style"
-	"github.com/alecthomas/chroma/v2/styles"
 	tea "github.com/charmbracelet/bubbletea"
 )
 
@@ -883,29 +882,31 @@ func parseSetOption(m action.Model, opt string) error {
 // Colorscheme Commands
 // --------------------------------------------------
 
+// TODO: Implement this using the new colorschemes
 func cmdColorscheme(m action.Model, args []string, force bool) tea.Cmd {
 	_ = force
 
 	// No args, just print the current scheme
 	if len(args) == 0 {
-		s := m.Styles().ChromaStyle
-
-		if s == nil {
-			return nil
-		}
 		m.SetCommandOutput(&core.CommandOutput{
-			Lines:   []string{s.Name},
+			Lines:   []string{"default"},
 			Inline:  true,
 			IsError: false,
 		})
 		return nil
 	}
 
-	// Args given, set the scheme
+	// Theme switching is disabled while migrating away from Chroma.
-	name := strings.Join(args, " ")
+	name := strings.TrimSpace(strings.Join(args, " "))
-
+	if name == "" {
-	chromaStyle := styles.Registry[name]
+		m.SetCommandOutput(&core.CommandOutput{
-	if chromaStyle == nil {
+			Lines:   []string{"colorscheme not found: "},
+			Inline:  true,
+			IsError: true,
+		})
+		return nil
+	}
+	if name != "" && strings.ToLower(name) != "default" {
 		m.SetCommandOutput(&core.CommandOutput{
 			Lines:   []string{fmt.Sprintf("colorscheme not found: %s", name)},
 			Inline:  true,
@@ -914,14 +915,14 @@ func cmdColorscheme(m action.Model, args []string, force bool) tea.Cmd {
 		return nil
 	}
 
-	m.SetStyles(style.ChromaStyles(chromaStyle))
+	m.SetStyles(style.DefaultStyles())
 	return nil
 }
 
 func cmdListColorschemes(m action.Model, args []string, force bool) tea.Cmd {
 	_, _ = args, force
 
-	colors := styles.Names()
+	colors := []string{"default"}
 
 	m.SetMode(core.CommandOutputMode)
 	m.SetCommandOutput(&core.CommandOutput{

internal/command/handlers_test.go

@@ -10,7 +10,6 @@ import (
 	"git.gophernest.net/azpect/TextEditor/internal/action"
 	"git.gophernest.net/azpect/TextEditor/internal/core"
 	"git.gophernest.net/azpect/TextEditor/internal/style"
-	cStyles "github.com/alecthomas/chroma/v2/styles"
 	tea "github.com/charmbracelet/bubbletea"
 )
 
@@ -5515,22 +5514,24 @@ func TestCmdColorscheme(t *testing.T) {
 
 	t.Run("valid name updates styles on model", func(t *testing.T) {
 		m := action.NewMockModel()
+		m.SetStyles(style.DefaultStyles())
+		before := m.StylesVal.BackgroundStyle.Render(" ")
 
-		cmdColorscheme(m, []string{"onedark"}, false)
+		cmdColorscheme(m, []string{"default"}, false)
 
-		name := m.Styles().ChromaStyle.Name
+		after := m.StylesVal.BackgroundStyle.Render(" ")
-		if name != "onedark" {
+		if after != before {
-			t.Error("expected styles to change after setting a valid colorscheme")
+			t.Error("expected default styles to remain stable after applying default")
 		}
 	})
 
 	t.Run("same valid name applied twice produces same styles", func(t *testing.T) {
 		m := action.NewMockModel()
 
-		cmdColorscheme(m, []string{"monokai"}, false)
+		cmdColorscheme(m, []string{"default"}, false)
 		first := m.StylesVal.BackgroundStyle.Render(" ")
 
-		cmdColorscheme(m, []string{"monokai"}, false)
+		cmdColorscheme(m, []string{"default"}, false)
 		second := m.StylesVal.BackgroundStyle.Render(" ")
 
 		if first != second {
@@ -5541,7 +5542,7 @@ func TestCmdColorscheme(t *testing.T) {
 	t.Run("valid name sets no error output", func(t *testing.T) {
 		m := action.NewMockModel()
 
-		cmdColorscheme(m, []string{"monokai"}, false)
+		cmdColorscheme(m, []string{"default"}, false)
 
 		if m.CommandOutputVal != nil && m.CommandOutputVal.IsError {
 			t.Error("expected no error output for a valid colorscheme name")
@@ -5551,7 +5552,7 @@ func TestCmdColorscheme(t *testing.T) {
 	t.Run("valid name returns nil tea.Cmd", func(t *testing.T) {
 		m := action.NewMockModel()
 
-		cmd := cmdColorscheme(m, []string{"monokai"}, false)
+		cmd := cmdColorscheme(m, []string{"default"}, false)
 
 		if cmd != nil {
 			t.Error("expected nil tea.Cmd for colorscheme command")
@@ -5651,7 +5652,7 @@ func TestCmdColorscheme(t *testing.T) {
 	t.Run("extra args beyond name do not panic", func(t *testing.T) {
 		m := action.NewMockModel()
 
-		cmdColorscheme(m, []string{"monokai", "extra", "args"}, false)
+		cmdColorscheme(m, []string{"default", "extra", "args"}, false)
 	})
 
 	// --------------------------------------------------
@@ -5661,10 +5662,9 @@ func TestCmdColorscheme(t *testing.T) {
 	t.Run("force flag with valid name still sets styles", func(t *testing.T) {
 		m := action.NewMockModel()
 
-		cmdColorscheme(m, []string{"monokai"}, true)
+		cmdColorscheme(m, []string{"default"}, true)
 
-		name := m.Styles().ChromaStyle.Name
+		if m.CommandOutputVal != nil && m.CommandOutputVal.IsError {
-		if name != "monokai" {
 			t.Error("expected styles to change with force=true and valid name")
 		}
 	})
@@ -5742,7 +5742,7 @@ func TestCmdListColorschemes(t *testing.T) {
 		cmdListColorschemes(m, []string{}, false)
 
 		lines := m.CommandOutputVal.Lines
-		known := []string{"monokai", "github-dark", "dracula"}
+		known := []string{"default"}
 		for _, name := range known {
 			found := false
 			for _, l := range lines {
@@ -5762,7 +5762,7 @@ func TestCmdListColorschemes(t *testing.T) {
 
 		cmdListColorschemes(m, []string{}, false)
 
-		expected := cStyles.Names()
+		expected := []string{"default"}
 		if len(m.CommandOutputVal.Lines) != len(expected) {
 			t.Errorf("expected %d colorschemes, got %d", len(expected), len(m.CommandOutputVal.Lines))
 		}
@@ -5785,7 +5785,7 @@ func TestCmdListColorschemes(t *testing.T) {
 		m2 := action.NewMockModel()
 
 		cmdListColorschemes(m1, []string{}, false)
-		cmdListColorschemes(m2, []string{"monokai", "extra"}, true)
+		cmdListColorschemes(m2, []string{"default", "extra"}, true)
 
 		if len(m1.CommandOutputVal.Lines) != len(m2.CommandOutputVal.Lines) {
 			t.Error("expected args and force to have no effect on list output")

internal/editor/model_builder.go

@@ -5,7 +5,6 @@ import (
 	"git.gophernest.net/azpect/TextEditor/internal/input"
 	"git.gophernest.net/azpect/TextEditor/internal/style"
 	"git.gophernest.net/azpect/TextEditor/internal/syntax"
-	"github.com/alecthomas/chroma/v2/styles"
 )
 
 type ModelBuilder struct {
@@ -14,8 +13,7 @@ type ModelBuilder struct {
 
 // NewModelBuilder: Builds and returns a new model, using the default color scheme (kanagawa-wave).
 func NewModelBuilder() *ModelBuilder {
-	chromaStyle := styles.Get("kanagawa-wave")
+	editorStyles := style.DefaultStyles()
-	editorStyles := style.ChromaStyles(chromaStyle)
 
 	return &ModelBuilder{
 		model: Model{

internal/style/style.go

@@ -1,11 +1,7 @@
 package style
 
 import (
-	"strings"
-
 	"git.gophernest.net/azpect/TextEditor/internal/core"
-	"github.com/alecthomas/chroma/v2"
-	"github.com/alecthomas/chroma/v2/lexers"
 	"github.com/charmbracelet/lipgloss"
 )
 
@@ -23,7 +19,7 @@ type Styles struct {
 
 	// Visual mode
 	VisualHighlight lipgloss.Style
-	VisualAnchor    lipgloss.Style // debugging
+	VisualAnchor    lipgloss.Style
 
 	// Status bar
 	StatusBar       lipgloss.Style
@@ -34,132 +30,72 @@ type Styles struct {
 	CommandOutputBorder    lipgloss.Style
 	CommandContinueMessage lipgloss.Style
 
-	// General Styles
+	// General styles
-	LineStyle       lipgloss.Style // This is a simple background with no text coloring
+	LineStyle       lipgloss.Style
-	BackgroundStyle lipgloss.Style // This is just the background
+	BackgroundStyle lipgloss.Style
-
-	// Chroma data
-	ChromaStyle *chroma.Style
 }
 
 // DefaultStyles: Returns the default editor color scheme.
 func DefaultStyles() Styles {
-	return Styles{
+	bg := lipgloss.Color("#1f2335")
-		CursorNormal:  lipgloss.NewStyle().Reverse(true),
+	fg := lipgloss.Color("#dcd7ba")
-		CursorInsert:  lipgloss.NewStyle().Underline(true),
-		CursorCommand: lipgloss.NewStyle().Reverse(true),
-		CursorReplace: lipgloss.NewStyle().Underline(true),
-
-		Gutter: lipgloss.NewStyle().
-			Background(lipgloss.Color("236")).
-			Foreground(lipgloss.Color("243")),
-
-		GutterCurrentLine: lipgloss.NewStyle().
-			Background(lipgloss.Color("236")).
-			Foreground(lipgloss.Color("#d69d00")),
-
-		VisualHighlight: lipgloss.NewStyle().
-			Background(lipgloss.Color("#7a6a00")),
-
-		VisualAnchor: lipgloss.NewStyle().
-			Background(lipgloss.Color("#a89020")),
-
-		StatusBar: lipgloss.NewStyle().
-			Background(lipgloss.Color("236")).
-			Foreground(lipgloss.Color("243")),
-
-		StatusBarActive: lipgloss.NewStyle().
-			Background(lipgloss.Color("62")).
-			Foreground(lipgloss.Color("230")),
-
-		CommandError: lipgloss.NewStyle().
-			Foreground(lipgloss.Color("#e3203a")),
-
-		CommandOutputBorder: lipgloss.NewStyle().
-			Background(lipgloss.Color("#000000")),
-
-		CommandContinueMessage: lipgloss.NewStyle().
-			Foreground(lipgloss.Color("#546fba")),
-
-		ChromaStyle: nil,
-	}
-}
-
-func ChromaStyles(chromaStyle *chroma.Style) Styles {
-	bgString := chromaStyle.Get(chroma.Background).Background.String()
-	lineNumbers := chromaStyle.Get(chroma.LineTableTD)
-	lineHighlight := chromaStyle.Get(chroma.LineHighlight)
 
 	return Styles{
 		CursorNormal: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Background(fg).
-			Reverse(true),
+			Foreground(bg),
 
 		CursorInsert: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Background(bg).
-			Bold(true).
+			Foreground(fg).
 			Underline(true),
 
 		CursorCommand: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Background(fg).
-			Reverse(true),
+			Foreground(bg),
 
 		CursorReplace: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Background(bg).
+			Foreground(fg).
 			Underline(true),
 
 		Gutter: lipgloss.NewStyle().
-			Background(lipgloss.Color(
+			Background(lipgloss.Color("#181b2a")).
-				darkenColor(lineNumbers.Background, 0.9).String()),
+			Foreground(lipgloss.Color("#7e8399")),
-			).
-			Foreground(lipgloss.Color(lineNumbers.Colour.String())),
 
 		GutterCurrentLine: lipgloss.NewStyle().
-			Background(lipgloss.Color(
+			Background(lipgloss.Color("#181b2a")).
-				darkenColor(lineNumbers.Background, 0.9).String()),
+			Foreground(lipgloss.Color("#e6c384")),
-			).
-			Foreground(lipgloss.Color(lineNumbers.Colour.String())),
 
 		VisualHighlight: lipgloss.NewStyle().
-			Background(lipgloss.Color(lineHighlight.Background.String())).
+			Background(lipgloss.Color("#2f334d")),
-			Foreground(lipgloss.Color(lineHighlight.Colour.String())),
 
 		VisualAnchor: lipgloss.NewStyle().
-			Background(lipgloss.Color(lineHighlight.Background.String())).
+			Background(lipgloss.Color("#3a3f5f")),
-			Foreground(lipgloss.Color(lineHighlight.Colour.String())),
 
 		StatusBar: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Background(lipgloss.Color("#181b2a")).
-			Foreground(lipgloss.Color("243")),
+			Foreground(lipgloss.Color("#8ea4a2")),
 
 		StatusBarActive: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Background(lipgloss.Color("#223249")).
-			Foreground(lipgloss.Color("230")),
+			Foreground(lipgloss.Color("#9ec1cf")),
 
 		CommandError: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Foreground(lipgloss.Color("#e82424")),
-			Foreground(lipgloss.Color("#e3203a")),
 
 		CommandOutputBorder: lipgloss.NewStyle().
-			Background(
+			Background(lipgloss.Color("#11131d")),
-				lipgloss.Color(
-					darkenColor(
-						chromaStyle.Get(chroma.Background).Background, 0.5).
-						String(),
-				),
-			),
 
 		CommandContinueMessage: lipgloss.NewStyle().
-			Background(lipgloss.Color(bgString)).
+			Foreground(lipgloss.Color("#7aa2f7")),
-			Foreground(lipgloss.Color("#546fba")),
 
 		LineStyle: lipgloss.NewStyle().
-			Foreground(lipgloss.Color(chromaStyle.Get(chroma.Line).Colour.String())).
+			Foreground(fg).
-			Background(lipgloss.Color(bgString)),
+			Background(bg),
 
-		BackgroundStyle: lipgloss.NewStyle().Background(lipgloss.Color(bgString)),
+		BackgroundStyle: lipgloss.NewStyle().
-
+			Background(bg),
-		ChromaStyle: chromaStyle,
 	}
 }
 
@@ -177,106 +113,29 @@ func (s Styles) DefaultCursorStyle(mode core.Mode) lipgloss.Style {
 	}
 }
 
-// Styles.CursorStyle: Returns a cursor style derived from a chroma style. This function should preferred
+// Styles.CursorStyle: Returns a cursor style derived from the text style.
-// over the DefaultCursorStyle, but in cases where there is no style to apply, the DefaultCursorStyle
+func (s Styles) CursorStyle(mode core.Mode, textStyle lipgloss.Style) lipgloss.Style {
-// will always work.
-func (s Styles) CursorStyle(mode core.Mode, style lipgloss.Style) lipgloss.Style {
 	switch mode {
 	case core.NormalMode, core.VisualLineMode, core.VisualBlockMode, core.VisualMode:
 		return lipgloss.NewStyle().
-			Background(style.GetForeground()).
+			Background(textStyle.GetForeground()).
-			Foreground(style.GetBackground())
+			Foreground(textStyle.GetBackground())
 	case core.ReplaceMode, core.WaitingMode:
 		return lipgloss.NewStyle().
-			Background(style.GetBackground()).
+			Background(textStyle.GetBackground()).
-			Foreground(style.GetForeground()).
+			Foreground(textStyle.GetForeground()).
 			Underline(true)
 	default:
 		return lipgloss.NewStyle().
 			Background(s.BackgroundStyle.GetBackground()).
-			Foreground(style.GetForeground()).
+			Foreground(textStyle.GetForeground()).
 			Underline(true)
 	}
 }
 
-// Styles.VisualHighlightWithTextColor: Works analogously to CursorStyle vs DefaultCursorStyle. When a
+// Styles.VisualHighlightWithTextColor: Applies visual background while preserving text color.
-// style is available, this function should be used, so the text color will be rendered in front
+func (s Styles) VisualHighlightWithTextColor(textStyle lipgloss.Style) lipgloss.Style {
-// of the background. Otherwise, the VisualHighlight property will always work.
-func (s Styles) VisualHighlightWithTextColor(style lipgloss.Style) lipgloss.Style {
 	return lipgloss.NewStyle().
 		Background(s.VisualHighlight.GetBackground()).
-		Foreground(style.GetForeground())
+		Foreground(textStyle.GetForeground())
-}
-
-// Styles.MakeStyleMap: Generates a style map for a single line. A style map is a mapping from
-// column a lipgloss style. Cursor styles are not handled by this map, but they can be derived
-// by inverting the background and foreground (and rolling back to the default).
-func (s Styles) MakeStyleMap(lexer chroma.Lexer, line string) []lipgloss.Style {
-	m := make([]lipgloss.Style, len(line))
-
-	if s.ChromaStyle == nil {
-		return m
-	}
-
-	iter, err := lexer.Tokenise(nil, line)
-	if err != nil {
-		panic(err)
-	}
-
-	col := 0
-	for _, token := range iter.Tokens() {
-		entry := s.ChromaStyle.Get(token.Type)
-		s := lipgloss.NewStyle().
-			Background(lipgloss.Color(entry.Background.String())).
-			Foreground(lipgloss.Color(entry.Colour.String()))
-		for _, char := range token.Value {
-			if char == '\n' {
-				continue
-			}
-			if col < len(m) {
-				m[col] = s
-			}
-			col++
-		}
-	}
-
-	return m
-}
-
-// darkenColor: Uses a factor (0.0 to 1.0) to darken a color using its opacity.
-func darkenColor(c chroma.Colour, factor float64) chroma.Colour {
-	r := uint8(float64(c.Red()) * factor)
-	g := uint8(float64(c.Green()) * factor)
-	b := uint8(float64(c.Blue()) * factor)
-	return chroma.NewColour(r, g, b)
-}
-
-// GetLexer: Uses buffer meta data or content to pick a lexer for use in applying
-// highlights.
-func GetLexer(buf *core.Buffer) chroma.Lexer {
-	var lexer chroma.Lexer
-
-	if buf.Filetype != "" {
-		lexer = lexers.Get(strings.TrimPrefix(buf.Filetype, "."))
-	}
-
-	if lexer == nil && buf.Filename != "" {
-		lexer = lexers.Match(buf.Filename)
-	}
-
-	if lexer == nil && len(buf.Lines) > 0 {
-		// Get first few lines for content analysis
-		var content strings.Builder
-		for i := 0; i < min(len(buf.Lines), 10); i++ {
-			content.WriteString(buf.Lines[i].String() + "\n")
-		}
-		lexer = lexers.Analyse(content.String())
-	}
-
-	if lexer == nil {
-		lexer = lexers.Fallback
-	}
-
-	lexer = chroma.Coalesce(lexer) // Merge tokens together
-	return lexer
 }

internal/theme/theme.go

@@ -1,43 +1,7 @@
 package theme
 
-import (
+// RegisterAll is retained as a no-op for compatibility while Chroma-based
-	"embed"
+// theme loading is removed.
-	"fmt"
-
-	"github.com/alecthomas/chroma/v2"
-	"github.com/alecthomas/chroma/v2/styles"
-)
-
-//go:embed themes/*
-var themeFS embed.FS
-
-// RegisterAll: Registers all XML theme files embedded in the themes/ directory
-// with chroma's style registry. After calling this, styles.Get() will recognize
-// any theme defined in those files.
 func RegisterAll() error {
-	entries, err := themeFS.ReadDir("themes")
-	if err != nil {
-		return fmt.Errorf("failed to read embedded themes directory: %w", err)
-	}
-
-	for _, entry := range entries {
-		if entry.IsDir() {
-			continue
-		}
-
-		f, err := themeFS.Open("themes/" + entry.Name())
-		if err != nil {
-			return fmt.Errorf("failed to open theme %s: %w", entry.Name(), err)
-		}
-
-		style, err := chroma.NewXMLStyle(f)
-		f.Close()
-		if err != nil {
-			return fmt.Errorf("failed to parse theme %s: %w", entry.Name(), err)
-		}
-
-		styles.Register(style)
-	}
-
 	return nil
 }