feat(blog/nuldoc): allow codeblock to have line number

2 files changed, 8 insertions, 0 deletions

diff --git a/vhosts/blog/nuldoc-src/djot/djot2ndoc.ts b/vhosts/blog/nuldoc-src/djot/djot2ndoc.ts
index 55b63a0d..fa0365b0 100644
--- a/vhosts/blog/nuldoc-src/djot/djot2ndoc.ts
+++ b/vhosts/blog/nuldoc-src/djot/djot2ndoc.ts
@@ -133,6 +133,9 @@ function processCodeBlock(node: DjotCodeBlock): Element {
   if (node.attributes?.filename) {
     attributes.set("filename", node.attributes.filename);
   }
+  if (node.attributes?.numbered) {
+    attributes.set("numbered", "true");
+  }
   return {
     kind: "element",
     name: "codeblock",
diff --git a/vhosts/blog/nuldoc-src/djot/to_html.ts b/vhosts/blog/nuldoc-src/djot/to_html.ts
index b64c3d99..e2d6a9b6 100644
--- a/vhosts/blog/nuldoc-src/djot/to_html.ts
+++ b/vhosts/blog/nuldoc-src/djot/to_html.ts
@@ -367,6 +367,7 @@ async function transformAndHighlightCodeBlockElement(doc: Document) {
 
     const language = n.attributes.get("language") || "text";
     const filename = n.attributes.get("filename");
+    const numbered = n.attributes.get("numbered");
     const sourceCodeNode = n.children[0] as Text | RawHTML;
     const sourceCode = sourceCodeNode.content.trimEnd();
 
@@ -382,6 +383,10 @@ async function transformAndHighlightCodeBlockElement(doc: Document) {
     n.attributes.set("class", "codeblock");
     n.attributes.delete("language");
 
+    if (numbered === "true") {
+      n.attributes.delete("numbered");
+      addClass(n, "numbered");
+    }
     if (filename) {
       n.attributes.delete("filename");