Saving before stuff goes bad

1 files changed, 56 insertions, 5 deletions

diff --git a/website.go b/website.go
index 47b4051..b54030c 100644
--- a/website.go
+++ b/website.go
@@ -7,6 +7,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"html/template"
 	"io/fs"
 	"log"
 	"net/http"
@@ -18,9 +19,15 @@ import (
 	"time"
 
 	"github.com/a-h/templ"
+	chromahtml "github.com/alecthomas/chroma/v2/formatters/html"
 	"github.com/yuin/goldmark"
+	highlighting "github.com/yuin/goldmark-highlighting/v2"
+	"github.com/yuin/goldmark/ast"
 	"github.com/yuin/goldmark/extension"
+	"github.com/yuin/goldmark/parser"
 	"github.com/yuin/goldmark/renderer/html"
+	"github.com/yuin/goldmark/text"
+	"github.com/yuin/goldmark/util"
 	"gopkg.in/yaml.v3"
 )
 
@@ -167,8 +174,25 @@ type Blog struct {
 }
 
 var md = goldmark.New(
-	goldmark.WithExtensions(extension.GFM, extension.Footnote),
+	goldmark.WithExtensions(
+		extension.GFM,
+		extension.Footnote,
+		highlighting.NewHighlighting(
+			highlighting.WithFormatOptions(chromahtml.WithClasses(true)),
+			highlighting.WithWrapperRenderer(func(w util.BufWriter, ctx highlighting.CodeBlockContext, entering bool) {
+				if entering {
+					lang, _ := ctx.Language()
+					fmt.Fprintf(w, `<div class="codeblock" data-lang="%s">`, template.HTMLEscapeString(string(lang)))
+				} else {
+					w.WriteString(`</div>`)
+				}
+			}),
+		),
+	),
 	goldmark.WithRendererOptions(html.WithUnsafe()),
+	goldmark.WithParserOptions(
+		parser.WithASTTransformers(util.Prioritized(externalLinks{}, 100)),
+	),
 )
 
 type frontmatter struct {
@@ -295,6 +319,33 @@ func latestBlog(blogs []Blog) *Blog {
 	return &blogs[0]
 }
 
+type externalLinks struct{}
+
+func openInNewTab(n ast.Node) {
+	n.SetAttributeString("target", []byte("_blank"))
+	n.SetAttributeString("rel", []byte("noopener noreferrer"))
+}
+
+func (externalLinks) Transform(doc *ast.Document, reader text.Reader, pc parser.Context) {
+	src := reader.Source()
+	ast.Walk(doc, func(n ast.Node, entering bool) (ast.WalkStatus, error) {
+		if !entering {
+			return ast.WalkContinue, nil
+		}
+		switch link := n.(type) {
+		case *ast.Link:
+			if bytes.HasPrefix(link.Destination, []byte("http")) {
+				openInNewTab(link)
+			}
+		case *ast.AutoLink:
+			if link.AutoLinkType == ast.AutoLinkURL && bytes.HasPrefix(link.URL(src), []byte("http")) {
+				openInNewTab(link)
+			}
+		}
+		return ast.WalkContinue, nil
+	})
+}
+
 var projects = []Project{
 	{
 		Slug:     "krypton",
@@ -545,13 +596,13 @@ func main() {
 	}
 
 	jetbrains := FontPack{
-		Monospace: "JetBrains Mono",
-		Normal:    `system-ui, sans-serif`,
+		Monospace: `JetBrains Mono, monospace`,
+		Normal:    `Inter, system-ui, sans-serif`,
 	}
 
 	minecraft := FontPack{
-		Monospace: `"Monocraft", "JetBrains Mono", monospace`,
-		Normal:    `"Monocraft", system-ui, sans-serif`,
+		Monospace: `Monocraft, JetBrains Mono, monospace`,
+		Normal:    `Monocraft, Inter, system-ui, sans-serif`,
 	}
 
 	SetTheme("carbonight-cat", carbonightCat)