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fix: Second ToC element not collapsible or highlight-able #1505

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fix: Second ToC element not collapsible or highlight-able #1505

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14 changes: 7 additions & 7 deletions quartz/components/scripts/toc.inline.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,13 @@ const bufferPx = 150
const observer = new IntersectionObserver((entries) => {
for (const entry of entries) {
const slug = entry.target.id
const tocEntryElement = document.querySelector(`a[data-for="${slug}"]`)
const tocEntryElements = document.querySelectorAll(`a[data-for="${slug}"]`)
const windowHeight = entry.rootBounds?.height
if (windowHeight && tocEntryElement) {
if (windowHeight && tocEntryElements.length > 0) {
if (entry.boundingClientRect.y < windowHeight) {
tocEntryElement.classList.add("in-view")
tocEntryElements.forEach((tocEntryElement) => tocEntryElement.classList.add("in-view"))
} else {
tocEntryElement.classList.remove("in-view")
tocEntryElements.forEach((tocEntryElement) => tocEntryElement.classList.remove("in-view"))
}
}
}
Expand All @@ -26,14 +26,14 @@ function toggleToc(this: HTMLElement) {
}

function setupToc() {
const toc = document.getElementById("toc")
if (toc) {
const tocs = document.querySelectorAll("[id=toc]")
tocs.forEach((toc) => {
const collapsed = toc.classList.contains("collapsed")
const content = toc.nextElementSibling as HTMLElement | undefined
if (!content) return
toc.addEventListener("click", toggleToc)
window.addCleanup(() => toc.removeEventListener("click", toggleToc))
}
})
}

window.addEventListener("resize", setupToc)
Expand Down