From dbcb73ad49a36463d0a4618b2c985ca637a48341 Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <qznebula@protonmail.com>
Date: Sat, 25 Oct 2025 14:36:23 -0300
Subject: content, css: transformContent: fenced code blocks

---
 src/content/dependencies/transformContent.js | 67 ++++++++++++++++++++++------
 src/static/css/site.css                      | 16 +++++++
 2 files changed, 69 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/content/dependencies/transformContent.js b/src/content/dependencies/transformContent.js
index db9f5d99..e6d847fa 100644
--- a/src/content/dependencies/transformContent.js
+++ b/src/content/dependencies/transformContent.js
@@ -29,6 +29,28 @@ const commonMarkedOptions = {
 
 const multilineMarked = new Marked({
   ...commonMarkedOptions,
+
+  renderer: {
+    code({text}) {
+      let lines = text
+        .replace(/^\n+/, '')
+        .replace(/\n+$/, '')
+        .split('\n');
+
+      lines = lines
+        .map(line => line
+          .replace(/^ +/, spaces => '&nbsp'.repeat(spaces.length))
+          .replaceAll(/ {2,}/g, spaces => '&nbsp'.repeat(spaces.length)));
+
+      return (
+        `<pre class="content-code"><code>` +
+        (lines.length > 1 ? '\n' : '') +
+        lines.join('<br>\n') +
+        (lines.length > 1 ? '\n' : '') +
+        `</pre></code>`
+      );
+    },
+  },
 });
 
 const inlineMarked = new Marked({
@@ -867,20 +889,37 @@ export default {
     // This is separated into its own function just since we're gonna reuse
     // it in a minute if everything goes to heck in lyrics mode.
     const transformMultiline = () => {
-      const markedInput =
-        extractNonTextNodes()
-          // Compress multiple line breaks into single line breaks,
-          // except when they're preceding or following indented
-          // text (by at least two spaces) or blockquotes.
-          .replace(/(?<!^  .*|^>.*)\n{2,}(?!^  |^>)/gm, '\n') /* eslint-disable-line no-regex-spaces */
-          // Expand line breaks which don't follow a list, quote,
-          // or <br> / "  ", and which don't precede or follow
-          // indented text (by at least two spaces).
-          .replace(/(?<!^ *(?:-|\d+\.).*|^>.*|^  .*\n*|  $|<br>$)\n+(?!  |\n)/gm, '\n\n') /* eslint-disable-line no-regex-spaces */
-          // Expand line breaks which are at the end of a list.
-          .replace(/(?<=^ *(?:-|\d+\.).*)\n+(?!^ *(?:-|\d+\.))/gm, '\n\n')
-          // Expand line breaks which are at the end of a quote.
-          .replace(/(?<=^>.*)\n+(?!^>)/gm, '\n\n');
+      let fencedCode = [];
+
+      const fencedCodePlaceholder =
+        `<span class="INSERT-FENCED-CODE"></span>`;
+
+      let markedInput = extractNonTextNodes();
+
+      markedInput = markedInput
+        .replaceAll(/```(?:[\s\S](?!```))*\n```/g, (match) => {
+          fencedCode.push(match);
+          return fencedCodePlaceholder;
+        });
+
+      markedInput = markedInput
+        // Compress multiple line breaks into single line breaks,
+        // except when they're preceding or following indented
+        // text (by at least two spaces) or blockquotes.
+        .replace(/(?<!^  .*|^>.*)\n{2,}(?!^  |^>)/gm, '\n') /* eslint-disable-line no-regex-spaces */
+        // Expand line breaks which don't follow a list, quote,
+        // or <br> / "  ", and which don't precede or follow
+        // indented text (by at least two spaces).
+        .replace(/(?<!^ *(?:-|\d+\.).*|^>.*|^  .*\n*|  $|<br>$)\n+(?!  |\n)/gm, '\n\n') /* eslint-disable-line no-regex-spaces */
+        // Expand line breaks which are at the end of a list.
+        .replace(/(?<=^ *(?:-|\d+\.).*)\n+(?!^ *(?:-|\d+\.))/gm, '\n\n')
+        // Expand line breaks which are at the end of a quote.
+        .replace(/(?<=^>.*)\n+(?!^>)/gm, '\n\n');
+
+      fencedCode = fencedCode.reverse();
+
+      markedInput = markedInput
+        .replaceAll(fencedCodePlaceholder, () => fencedCode.pop());
 
       const markedOutput =
         multilineMarked.parse(markedInput);
diff --git a/src/static/css/site.css b/src/static/css/site.css
index 61803c9d..4998b799 100644
--- a/src/static/css/site.css
+++ b/src/static/css/site.css
@@ -1554,6 +1554,22 @@ li:not(:first-child:last-child) .tooltip:where(:not(.cover-artwork .tooltip)),
   color: #fffb;
 }
 
+pre.content-code {
+  white-space: normal;
+  background: black;
+  color: white;
+  padding: 5px;
+  max-width: calc(100vw - 180px);
+  overflow-x: scroll;
+  border: 1px dashed var(--primary-color);
+}
+
+pre.content-code code {
+  font-size: 0.8em;
+  line-height: 1;
+  white-space: nowrap;
+}
+
 s.spoiler {
   display: inline-block;
   color: transparent;
-- 
cgit 1.3.0-6-gf8a5