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/plugins/transformers/ofm.ts |   50 ++++++++++++++++++++++++++++++++------------------
 1 files changed, 32 insertions(+), 18 deletions(-)

diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 983fd73..7a523aa 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -41,6 +41,7 @@
   enableYouTubeEmbed: boolean
   enableVideoEmbed: boolean
   enableCheckbox: boolean
+  disableBrokenWikilinks: boolean
 }
 
 const defaultOptions: Options = {
@@ -56,6 +57,7 @@
   enableYouTubeEmbed: true,
   enableVideoEmbed: true,
   enableCheckbox: false,
+  disableBrokenWikilinks: false,
 }
 
 const calloutMapping = {
@@ -113,9 +115,9 @@
 // \[\[               -> open brace
 // ([^\[\]\|\#]+)     -> one or more non-special characters ([,],|, or #) (name)
 // (#[^\[\]\|\#]+)?   -> # then one or more non-special characters (heading link)
-// (\\?\|[^\[\]\#]+)? -> optional escape \ then | then one or more non-special characters (alias)
+// (\\?\|[^\[\]\#]+)? -> optional escape \ then | then zero or more non-special characters (alias)
 export const wikilinkRegex = new RegExp(
-  /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]+)?\]\]/g,
+  /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]*)?\]\]/g,
 )
 
 // ^\|([^\n])+\|\n(\|) -> matches the header row
@@ -206,7 +208,7 @@
 
       return src
     },
-    markdownPlugins(_ctx) {
+    markdownPlugins(ctx) {
       const plugins: PluggableList = []
 
       // regex replacements
@@ -275,6 +277,18 @@
                   // otherwise, fall through to regular link
                 }
 
+                // treat as broken link if slug not in ctx.allSlugs
+                if (opts.disableBrokenWikilinks) {
+                  const slug = slugifyFilePath(fp as FilePath)
+                  const exists = ctx.allSlugs && ctx.allSlugs.includes(slug)
+                  if (!exists) {
+                    return {
+                      type: "html",
+                      value: `<a class=\"internal broken\">${alias ?? fp}</a>`,
+                    }
+                  }
+                }
+
                 // internal link
                 const url = fp + anchor
 
@@ -464,6 +478,21 @@
                   })
                 }
 
+                // For the rest of the MD callout elements other than the title, wrap them with
+                // two nested HTML <div>s (use some hacked mdhast component to achieve this) of
+                // class `callout-content` and `callout-content-inner` respectively for
+                // grid-based collapsible animation.
+                if (calloutContent.length > 0) {
+                  node.children = [
+                    node.children[0],
+                    {
+                      data: { hProperties: { className: ["callout-content"] }, hName: "div" },
+                      type: "blockquote",
+                      children: [...calloutContent],
+                    },
+                  ]
+                }
+
                 // replace first line of blockquote with title and rest of the paragraph text
                 node.children.splice(0, 1, ...blockquoteContent)
 
@@ -485,21 +514,6 @@
                     "data-callout-metadata": calloutMetaData,
                   },
                 }
-
-                // Add callout-content class to callout body if it has one.
-                if (calloutContent.length > 0) {
-                  const contentData: BlockContent | DefinitionContent = {
-                    data: {
-                      hProperties: {
-                        className: "callout-content",
-                      },
-                      hName: "div",
-                    },
-                    type: "blockquote",
-                    children: [...calloutContent],
-                  }
-                  node.children = [node.children[0], contentData]
-                }
               }
             })
           }

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