From fe2e16d937e2b57fb2bb1d10dea47db7256a4a49 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 24 Mar 2025 01:08:07 +0000
Subject: [PATCH] fix: disallow user-select in popover

---
 quartz/components/scripts/toc.inline.ts |   26 ++++++++++++++------------
 1 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/quartz/components/scripts/toc.inline.ts b/quartz/components/scripts/toc.inline.ts
index d6cd50a..6c5ad1c 100644
--- a/quartz/components/scripts/toc.inline.ts
+++ b/quartz/components/scripts/toc.inline.ts
@@ -1,5 +1,4 @@
-const bufferPx = 150
-const observer = new IntersectionObserver(entries => {
+const observer = new IntersectionObserver((entries) => {
   for (const entry of entries) {
     const slug = entry.target.id
     const tocEntryElement = document.querySelector(`a[data-for="${slug}"]`)
@@ -16,27 +15,30 @@
 
 function toggleToc(this: HTMLElement) {
   this.classList.toggle("collapsed")
-  const content = this.nextElementSibling as HTMLElement
+  this.setAttribute(
+    "aria-expanded",
+    this.getAttribute("aria-expanded") === "true" ? "false" : "true",
+  )
+  const content = this.nextElementSibling as HTMLElement | undefined
+  if (!content) return
   content.classList.toggle("collapsed")
-  content.style.maxHeight = content.style.maxHeight === "0px" ? content.scrollHeight + "px" : "0px"
 }
 
 function setupToc() {
-  const toc = document.getElementById("toc")
-  if (toc) {
-    const content = toc.nextElementSibling as HTMLElement
-    content.style.maxHeight = content.scrollHeight + "px"
-    toc.removeEventListener("click", toggleToc)
-    toc.addEventListener("click", toggleToc)
+  for (const toc of document.getElementsByClassName("toc")) {
+    const button = toc.querySelector(".toc-header")
+    const content = toc.querySelector(".toc-content")
+    if (!button || !content) return
+    button.addEventListener("click", toggleToc)
+    window.addCleanup(() => button.removeEventListener("click", toggleToc))
   }
 }
 
-window.addEventListener("resize", setupToc)
 document.addEventListener("nav", () => {
   setupToc()
 
   // update toc entry highlighting
   observer.disconnect()
   const headers = document.querySelectorAll("h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]")
-  headers.forEach(header => observer.observe(header))
+  headers.forEach((header) => observer.observe(header))
 })

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