From 36548d59866ab3236677ff25af106b882c0694f6 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Wed, 23 Aug 2023 05:41:50 +0000
Subject: [PATCH] fix: toc for cyrillic and other non-latin alphabets (closes #396)

---
 quartz/plugins/transformers/toc.ts |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/quartz/plugins/transformers/toc.ts b/quartz/plugins/transformers/toc.ts
index 87031a9..be006f6 100644
--- a/quartz/plugins/transformers/toc.ts
+++ b/quartz/plugins/transformers/toc.ts
@@ -2,7 +2,7 @@
 import { Root } from "mdast"
 import { visit } from "unist-util-visit"
 import { toString } from "mdast-util-to-string"
-import { slug as slugAnchor } from "github-slugger"
+import Slugger from "github-slugger"
 
 export interface Options {
   maxDepth: 1 | 2 | 3 | 4 | 5 | 6
@@ -34,6 +34,7 @@
           return async (tree: Root, file) => {
             const display = file.data.frontmatter?.enableToc ?? opts.showByDefault
             if (display) {
+              const slugAnchor = new Slugger()
               const toc: TocEntry[] = []
               let highestDepth: number = opts.maxDepth
               visit(tree, "heading", (node) => {
@@ -43,7 +44,7 @@
                   toc.push({
                     depth: node.depth,
                     text,
-                    slug: slugAnchor(text),
+                    slug: slugAnchor.slug(text),
                   })
                 }
               })

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