quartz-research-note/quartz/components/scripts/popover.inline.ts

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2023-06-17 23:05:46 +00:00
import { computePosition, inline, shift, autoPlacement } from "@floating-ui/dom"
document.addEventListener("nav", () => {
const links = [...document.getElementsByClassName("internal")] as HTMLLinkElement[]
const p = new DOMParser()
for (const link of links) {
link.addEventListener("mouseenter", async ({ clientX, clientY }) => {
if (link.dataset.fetchedPopover === "true") return
const url = link.href
const contents = await fetch(`${url}`)
.then((res) => res.text())
.catch((err) => {
console.error(err)
})
if (!contents) return
const html = p.parseFromString(contents, "text/html")
const elts = [...html.getElementsByClassName("popover-hint")]
if (elts.length === 0) return
const popoverElement = document.createElement("div")
popoverElement.classList.add("popover")
elts.forEach(elt => popoverElement.appendChild(elt))
const { x, y } = await computePosition(link, popoverElement, {
middleware: [inline({
x: clientX,
y: clientY
}), shift(), autoPlacement()]
})
Object.assign(popoverElement.style, {
left: `${x}px`,
top: `${y}px`,
})
link.appendChild(popoverElement)
link.dataset.fetchedPopover = "true"
})
}
})