From aa4f5294a3b0a8fa7e10d128c8f0258ad024ae73 Mon Sep 17 00:00:00 2001
From: Hydrophobefireman <bhavesh.pareek36@gmail.com>
Date: Sun, 31 Mar 2024 16:44:20 +0000
Subject: [PATCH] fix: do not render <p> inside FolderContent article (#1044)

---
 quartz/plugins/transformers/ofm.ts |   43 ++++++++++++++++++++++++++++++++-----------
 1 files changed, 32 insertions(+), 11 deletions(-)

diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 3b76f25..3ee6480 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -99,15 +99,27 @@
 
 export const arrowRegex = new RegExp(/(-{1,2}>|={1,2}>|<-{1,2}|<={1,2})/, "g")
 
-// !?                -> optional embedding
-// \[\[              -> open brace
-// ([^\[\]\|\#]+)    -> one or more non-special characters ([,],|, or #) (name)
-// (#[^\[\]\|\#]+)?  -> # then one or more non-special characters (heading link)
-// (\|[^\[\]\#]+)? -> \| then one or more non-special characters (alias)
+// !?                 -> optional embedding
+// \[\[               -> 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)
 export const wikilinkRegex = new RegExp(
   /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]+)?\]\]/,
   "g",
 )
+
+// ^\|([^\n])+\|\n(\|) -> matches the header row
+// ( ?:?-{3,}:? ?\|)+  -> matches the header row separator
+// (\|([^\n])+\|\n)+   -> matches the body rows
+export const tableRegex = new RegExp(
+  /^\|([^\n])+\|\n(\|)( ?:?-{3,}:? ?\|)+\n(\|([^\n])+\|\n?)+/,
+  "gm",
+)
+
+// matches any wikilink, only used for escaping wikilinks inside tables
+export const tableWikilinkRegex = new RegExp(/(!?\[\[[^\]]*?\]\])/, "g")
+
 const highlightRegex = new RegExp(/==([^=]+)==/, "g")
 const commentRegex = new RegExp(/%%[\s\S]*?%%/, "g")
 // from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
@@ -169,6 +181,20 @@
           src = src.toString()
         }
 
+        // replace all wikilinks inside a table first
+        src = src.replace(tableRegex, (value) => {
+          // escape all aliases and headers in wikilinks inside a table
+          return value.replace(tableWikilinkRegex, (value, ...capture) => {
+            const [raw]: (string | undefined)[] = capture
+            let escaped = raw ?? ""
+            escaped = escaped.replace("#", "\\#")
+            escaped = escaped.replace("|", "\\|")
+
+            return escaped
+          })
+        })
+
+        // replace all other wikilinks
         src = src.replace(wikilinkRegex, (value, ...capture) => {
           const [rawFp, rawHeader, rawAlias]: (string | undefined)[] = capture
 
@@ -176,18 +202,13 @@
           const anchor = rawHeader?.trim().replace(/^#+/, "")
           const blockRef = Boolean(anchor?.startsWith("^")) ? "^" : ""
           const displayAnchor = anchor ? `#${blockRef}${slugAnchor(anchor)}` : ""
-          let displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
+          const displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
           const embedDisplay = value.startsWith("!") ? "!" : ""
 
           if (rawFp?.match(externalLinkRegex)) {
             return `${embedDisplay}[${displayAlias.replace(/^\|/, "")}](${rawFp})`
           }
 
-          //transform `[[note#^block_ref|^block_ref]]` to `[[note#^block_ref\|^block_ref]]`, display correctly in table.
-          if (displayAlias && displayAlias.startsWith("|")) {
-            displayAlias = `\\${displayAlias}`
-          }
-
           return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
         })
       }

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