From 46b63b68bf02491f841a794d72f3def6649ec72f Mon Sep 17 00:00:00 2001
From: Danny van Tol <19685217+dannyvtol@users.noreply.github.com>
Date: Sat, 24 Aug 2024 19:56:17 +0000
Subject: [PATCH] fix: Link visibility in exampanded TOC while collapseByDefault is true (#1371)

---
 quartz/plugins/transformers/description.ts |   22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/quartz/plugins/transformers/description.ts b/quartz/plugins/transformers/description.ts
index 0f8cd8d..c7e592e 100644
--- a/quartz/plugins/transformers/description.ts
+++ b/quartz/plugins/transformers/description.ts
@@ -18,7 +18,7 @@
   "g",
 )
 
-export const Description: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
+export const Description: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
   const opts = { ...defaultOptions, ...userOpts }
   return {
     name: "Description",
@@ -39,29 +39,33 @@
 
             const desc = frontMatterDescription ?? text
             const sentences = desc.replace(/\s+/g, " ").split(/\.\s/)
-            let finalDesc = ""
-            let sentenceIdx = 0
+            const finalDesc: string[] = []
             const len = opts.descriptionLength
+            let sentenceIdx = 0
+            let currentDescriptionLength = 0
 
             if (sentences[0] !== undefined && sentences[0].length >= len) {
               const firstSentence = sentences[0].split(" ")
-              while (finalDesc.length < len) {
+              while (currentDescriptionLength < len) {
                 const sentence = firstSentence[sentenceIdx]
                 if (!sentence) break
-                finalDesc += sentence + " "
+                finalDesc.push(sentence)
+                currentDescriptionLength += sentence.length
                 sentenceIdx++
               }
-              finalDesc = finalDesc.trimEnd() + "..."
+              finalDesc.push("...")
             } else {
-              while (finalDesc.length < len) {
+              while (currentDescriptionLength < len) {
                 const sentence = sentences[sentenceIdx]
                 if (!sentence) break
-                finalDesc += sentence.endsWith(".") ? sentence : sentence + "."
+                const currentSentence = sentence.endsWith(".") ? sentence : sentence + "."
+                finalDesc.push(currentSentence)
+                currentDescriptionLength += currentSentence.length
                 sentenceIdx++
               }
             }
 
-            file.data.description = finalDesc
+            file.data.description = finalDesc.join(" ")
             file.data.text = text
           }
         },

--
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