From 2b50e1778b164e641c03c2e77176b6f47ca1e278 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 18 Mar 2023 15:47:05 +0900
Subject: refactor: add RawHTML type to represent text node not being escaped

---
 nuldoc-src/docbook/to_html.ts | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'nuldoc-src/docbook')

diff --git a/nuldoc-src/docbook/to_html.ts b/nuldoc-src/docbook/to_html.ts
index c824780..9f176d4 100644
--- a/nuldoc-src/docbook/to_html.ts
+++ b/nuldoc-src/docbook/to_html.ts
@@ -9,6 +9,7 @@ import {
   forEachChild,
   forEachChildRecursively,
   Node,
+  RawHTML,
   removeChildElements,
   Text,
 } from "../dom.ts";
@@ -239,6 +240,7 @@ function transformNoteElement(doc: Document) {
       children: [{
         kind: "text",
         content: "Note",
+        raw: true,
       }],
     };
     const contentElement: Element = {
@@ -298,12 +300,18 @@ function highlightPrograms(doc: Document) {
     if (!language) {
       return;
     }
-    const sourceCode = (codeElement.children[0] as Text).content;
+    const sourceCodeNode = codeElement.children[0] as Text | RawHTML;
+    const sourceCode = sourceCodeNode.content;
+
+    if (!hljs.getLanguage(language)) {
+      return;
+    }
 
     const highlighted =
       hljs.highlight(sourceCode, { language: language }).value;
 
-    (codeElement.children[0] as Text).content = highlighted;
+    sourceCodeNode.content = highlighted;
+    sourceCodeNode.raw = true;
     codeElement.attributes.set("class", "highlight");
   });
 }
-- 
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