From c538c151c7462ad0395ff2c15c5e11e89e362aa8 Mon Sep 17 00:00:00 2001
From: Striven <sg.striven@cutecat.club>
Date: Sat, 04 Apr 2026 19:47:16 +0000
Subject: [PATCH] Initial commit

---
 quartz/components/renderPage.tsx |   74 +++++++++++++++++++++++-------------
 1 files changed, 47 insertions(+), 27 deletions(-)

diff --git a/quartz/components/renderPage.tsx b/quartz/components/renderPage.tsx
index 75ef82b..8cf5439 100644
--- a/quartz/components/renderPage.tsx
+++ b/quartz/components/renderPage.tsx
@@ -9,10 +9,7 @@
 import { Root, Element, ElementContent } from "hast"
 import { GlobalConfiguration } from "../cfg"
 import { i18n } from "../i18n"
-// @ts-ignore
-import mermaidScript from "./scripts/mermaid.inline"
-import mermaidStyle from "./styles/mermaid.inline.scss"
-import { QuartzPluginData } from "../plugins/vfile"
+import { styleText } from "util"
 
 interface RenderComponents {
   head: QuartzComponent
@@ -28,7 +25,6 @@
 const headerRegex = new RegExp(/h[1-6]/)
 export function pageResources(
   baseDir: FullSlug | RelativeURL,
-  fileData: QuartzPluginData,
   staticResources: StaticResources,
 ): StaticResources {
   const contentIndexPath = joinSegments(baseDir, "static/contentIndex.json")
@@ -58,17 +54,6 @@
     additionalHead: staticResources.additionalHead,
   }
 
-  if (fileData.hasMermaidDiagram) {
-    resources.js.push({
-      script: mermaidScript,
-      loadTime: "afterDOMReady",
-      moduleType: "module",
-      contentType: "inline",
-    })
-    resources.css.push({ content: mermaidStyle, inline: true })
-  }
-
-  // NOTE: we have to put this last to make sure spa.inline.ts is the last item.
   resources.js.push({
     src: joinSegments(baseDir, "postscript.js"),
     loadTime: "afterDOMReady",
@@ -79,24 +64,44 @@
   return resources
 }
 
-export function renderPage(
+function renderTranscludes(
+  root: Root,
   cfg: GlobalConfiguration,
   slug: FullSlug,
   componentData: QuartzComponentProps,
-  components: RenderComponents,
-  pageResources: StaticResources,
-): string {
-  // make a deep copy of the tree so we don't remove the transclusion references
-  // for the file cached in contentMap in build.ts
-  const root = clone(componentData.tree) as Root
-
+  visited: Set<FullSlug>,
+) {
   // process transcludes in componentData
   visit(root, "element", (node, _index, _parent) => {
     if (node.tagName === "blockquote") {
       const classNames = (node.properties?.className ?? []) as string[]
       if (classNames.includes("transclude")) {
         const inner = node.children[0] as Element
-        const transcludeTarget = inner.properties["data-slug"] as FullSlug
+        const transcludeTarget = (inner.properties["data-slug"] ?? slug) as FullSlug
+        if (visited.has(transcludeTarget)) {
+          console.warn(
+            styleText(
+              "yellow",
+              `Warning: Skipping circular transclusion: ${slug} -> ${transcludeTarget}`,
+            ),
+          )
+          node.children = [
+            {
+              type: "element",
+              tagName: "p",
+              properties: { style: "color: var(--secondary);" },
+              children: [
+                {
+                  type: "text",
+                  value: `Circular transclusion detected: ${transcludeTarget}`,
+                },
+              ],
+            },
+          ]
+          return
+        }
+        visited.add(transcludeTarget)
+
         const page = componentData.allFiles.find((f) => f.slug === transcludeTarget)
         if (!page) {
           return
@@ -205,6 +210,20 @@
       }
     }
   })
+}
+
+export function renderPage(
+  cfg: GlobalConfiguration,
+  slug: FullSlug,
+  componentData: QuartzComponentProps,
+  components: RenderComponents,
+  pageResources: StaticResources,
+): string {
+  // make a deep copy of the tree so we don't remove the transclusion references
+  // for the file cached in contentMap in build.ts
+  const root = clone(componentData.tree) as Root
+  const visited = new Set<FullSlug>([slug])
+  renderTranscludes(root, cfg, slug, componentData, visited)
 
   // set componentData.tree to the edited html that has transclusions rendered
   componentData.tree = root
@@ -239,8 +258,9 @@
   )
 
   const lang = componentData.fileData.frontmatter?.lang ?? cfg.locale?.split("-")[0] ?? "en"
+  const direction = i18n(cfg.locale).direction ?? "ltr"
   const doc = (
-    <html lang={lang}>
+    <html lang={lang} dir={direction}>
       <Head {...componentData} />
       <body data-slug={slug}>
         <div id="quartz-root" class="page">
@@ -274,7 +294,7 @@
       </body>
       {pageResources.js
         .filter((resource) => resource.loadTime === "afterDOMReady")
-        .map((res) => JSResourceToScriptElement(res))}
+        .map((res) => JSResourceToScriptElement(res, true))}
     </html>
   )
 

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