From 5ec61468d5e787b3c8ae32a2b4ef1595cf0bc3ee Mon Sep 17 00:00:00 2001
From: Emile Bangma <ewjbangma@hotmail.com>
Date: Sun, 31 Mar 2024 16:44:50 +0000
Subject: [PATCH] fix(wikilinks): proper escaping of pipe character in wikilinks inside tables (#1040)

---
 quartz/plugins/transformers/toc.ts |   20 +++++---------------
 1 files changed, 5 insertions(+), 15 deletions(-)

diff --git a/quartz/plugins/transformers/toc.ts b/quartz/plugins/transformers/toc.ts
index d0781ec..bfc2f98 100644
--- a/quartz/plugins/transformers/toc.ts
+++ b/quartz/plugins/transformers/toc.ts
@@ -3,11 +3,10 @@
 import { visit } from "unist-util-visit"
 import { toString } from "mdast-util-to-string"
 import Slugger from "github-slugger"
-import { wikilinkRegex } from "./ofm"
 
 export interface Options {
   maxDepth: 1 | 2 | 3 | 4 | 5 | 6
-  minEntries: 1
+  minEntries: number
   showByDefault: boolean
   collapseByDefault: boolean
 }
@@ -25,7 +24,7 @@
   slug: string // this is just the anchor (#some-slug), not the canonical slug
 }
 
-const regexMdLinks = new RegExp(/\[([^\[]+)\](\(.*\))/, "g")
+const slugAnchor = new Slugger()
 export const TableOfContents: QuartzTransformerPlugin<Partial<Options> | undefined> = (
   userOpts,
 ) => {
@@ -38,21 +37,12 @@
           return async (tree: Root, file) => {
             const display = file.data.frontmatter?.enableToc ?? opts.showByDefault
             if (display) {
-              const slugAnchor = new Slugger()
+              slugAnchor.reset()
               const toc: TocEntry[] = []
               let highestDepth: number = opts.maxDepth
               visit(tree, "heading", (node) => {
                 if (node.depth <= opts.maxDepth) {
-                  let text = toString(node)
-
-                  // strip link formatting from toc entries
-                  text = text.replace(wikilinkRegex, (_, rawFp, __, rawAlias) => {
-                    const fp = rawFp?.trim() ?? ""
-                    const alias = rawAlias?.slice(1).trim()
-                    return alias ?? fp
-                  })
-                  text = text.replace(regexMdLinks, "$1")
-
+                  const text = toString(node)
                   highestDepth = Math.min(highestDepth, node.depth)
                   toc.push({
                     depth: node.depth,
@@ -62,7 +52,7 @@
                 }
               })
 
-              if (toc.length > opts.minEntries) {
+              if (toc.length > 0 && toc.length > opts.minEntries) {
                 file.data.toc = toc.map((entry) => ({
                   ...entry,
                   depth: entry.depth - highestDepth,

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