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