From 4c9e8601504f76dcc3c273ea8ad1862df432b7b4 Mon Sep 17 00:00:00 2001
From: Andrew <80933354+ndrooo@users.noreply.github.com>
Date: Sat, 24 Aug 2024 20:33:30 +0000
Subject: [PATCH] a11y(darkmode): use a button for the theme toggle (#1335)
---
quartz/components/scripts/toc.inline.ts | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/quartz/components/scripts/toc.inline.ts b/quartz/components/scripts/toc.inline.ts
index f3da52c..acc81b2 100644
--- a/quartz/components/scripts/toc.inline.ts
+++ b/quartz/components/scripts/toc.inline.ts
@@ -16,7 +16,12 @@
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"
}
@@ -25,10 +30,11 @@
const toc = document.getElementById("toc")
if (toc) {
const collapsed = toc.classList.contains("collapsed")
- const content = toc.nextElementSibling as HTMLElement
+ const content = toc.nextElementSibling as HTMLElement | undefined
+ if (!content) return
content.style.maxHeight = collapsed ? "0px" : content.scrollHeight + "px"
- toc.removeEventListener("click", toggleToc)
toc.addEventListener("click", toggleToc)
+ window.addCleanup(() => toc.removeEventListener("click", toggleToc))
}
}
--
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