fix: only use glamour for mk files

Use Glamour to render readmes when file is markdown formatted

Fixes: #463

pkg/ui/common/common.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 
+	"github.com/alecthomas/chroma/lexers"
 	"github.com/charmbracelet/lipgloss"
 	"github.com/charmbracelet/log"
 	"github.com/charmbracelet/soft-serve/git"
@@ -106,3 +107,17 @@ func (c *Common) CloneCmd(publicURL, name string) string {
 	}
 	return fmt.Sprintf("git clone %s", RepoURL(publicURL, name))
 }
+
+// IsFileMarkdown returns true if the file is markdown.
+// It uses chroma lexers to analyze and determine the language.
+func IsFileMarkdown(content, ext string) bool {
+	var lang string
+	lexer := lexers.Match(ext)
+	if lexer == nil {
+		lexer = lexers.Analyse(content)
+	}
+	if lexer != nil && lexer.Config() != nil {
+		lang = lexer.Config().Name
+	}
+	return lang == "markdown"
+}

pkg/ui/components/code/code.go

@@ -89,7 +89,7 @@ func (r *Code) Init() tea.Cmd {
 	// 4-spaces.
 	content = strings.ReplaceAll(content, "\t", strings.Repeat(" ", r.TabWidth))
 
-	if r.UseGlamour {
+	if r.UseGlamour && common.IsFileMarkdown(content, r.extension) {
 		md, err := r.glamourize(w, content)
 		if err != nil {
 			return common.ErrorCmd(err)
@@ -213,7 +213,6 @@ func (r *Code) glamourize(w int, md string) (string, error) {
 		glamour.WithStyles(r.styleConfig),
 		glamour.WithWordWrap(w),
 	)
-
 	if err != nil {
 		return "", err
 	}

pkg/ui/pages/repo/files.go

@@ -6,7 +6,6 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/alecthomas/chroma/lexers"
 	gitm "github.com/aymanbagabas/git-module"
 	"github.com/charmbracelet/bubbles/key"
 	"github.com/charmbracelet/bubbles/spinner"
@@ -159,7 +158,8 @@ func (f *Files) FullHelp() [][]key.Binding {
 		actionKeys = append(actionKeys, lineNo)
 	}
 	actionKeys = append(actionKeys, blameView)
-	if f.isSelectedMarkdown() && !f.blameView {
+	if common.IsFileMarkdown(f.currentContent.content, f.currentContent.ext) &&
+		!f.blameView {
 		actionKeys = append(actionKeys, preview)
 	}
 	switch f.activeView {
@@ -240,7 +240,7 @@ func (f *Files) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case FileContentMsg:
 		f.activeView = filesViewContent
 		f.currentContent = msg
-		f.code.UseGlamour = f.isSelectedMarkdown()
+		f.code.UseGlamour = common.IsFileMarkdown(f.currentContent.content, f.currentContent.ext)
 		cmds = append(cmds, f.code.SetContent(msg.content, msg.ext))
 		f.code.GotoTop()
 	case FileBlameMsg:
@@ -293,7 +293,8 @@ func (f *Files) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 					cmds = append(cmds, f.code.SetSideNote(""))
 				}
 				cmds = append(cmds, f.spinner.Tick)
-			case key.Matches(msg, preview) && f.isSelectedMarkdown() && !f.blameView:
+			case key.Matches(msg, preview) &&
+				common.IsFileMarkdown(f.currentContent.content, f.currentContent.ext) && !f.blameView:
 				f.code.UseGlamour = !f.code.UseGlamour
 				cmds = append(cmds, f.code.SetContent(f.currentContent.content, f.currentContent.ext))
 			}
@@ -545,15 +546,3 @@ func (f *Files) setItems(items []selector.IdentifiableItem) tea.Cmd {
 		return FileItemsMsg(items)
 	}
 }
-
-func (f *Files) isSelectedMarkdown() bool {
-	var lang string
-	lexer := lexers.Match(f.currentContent.ext)
-	if lexer == nil {
-		lexer = lexers.Analyse(f.currentContent.content)
-	}
-	if lexer != nil && lexer.Config() != nil {
-		lang = lexer.Config().Name
-	}
-	return lang == "markdown"
-}