| | |
| | | import { computePosition, inline, shift, autoPlacement } from "@floating-ui/dom" |
| | | import { computePosition, flip, inline, shift } 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 |
| | | async function setPosition(popoverElement: HTMLElement) { |
| | | const { x, y } = await computePosition(link, popoverElement, { |
| | | middleware: [inline({ |
| | | x: clientX, |
| | | y: clientY |
| | | }), shift(), flip()] |
| | | }) |
| | | Object.assign(popoverElement.style, { |
| | | left: `${x}px`, |
| | | top: `${y}px`, |
| | | }) |
| | | } |
| | | |
| | | if (link.dataset.fetchedPopover === "true") { |
| | | return setPosition(link.lastChild as HTMLElement) |
| | | } |
| | | |
| | | const url = link.href |
| | | const anchor = new URL(url).hash |
| | | if (anchor.startsWith("#")) return |
| | | |
| | | const contents = await fetch(`${url}`) |
| | | .then((res) => res.text()) |
| | | .catch((err) => { |
| | | console.error(err) |
| | | }) |
| | | |
| | | if (!contents) return |
| | | const html = p.parseFromString(contents, "text/html") |
| | | const elts = [...html.getElementsByClassName("popover-hint")] |
| | | if (elts.length === 0) return |
| | | |
| | | |
| | | const popoverElement = document.createElement("div") |
| | | popoverElement.classList.add("popover") |
| | | elts.forEach(elt => popoverElement.appendChild(elt)) |
| | | // TODO: scroll this element if we specify a header/anchor to jump to |
| | | const popoverInner = document.createElement("div") |
| | | popoverInner.classList.add("popover-inner") |
| | | popoverElement.appendChild(popoverInner) |
| | | elts.forEach(elt => popoverInner.appendChild(elt)) |
| | | |
| | | const { x, y } = await computePosition(link, popoverElement, { |
| | | middleware: [inline({ |
| | | x: clientX, |
| | | y: clientY |
| | | }), shift(), autoPlacement()] |
| | | }) |
| | | |
| | | Object.assign(popoverElement.style, { |
| | | left: `${x}px`, |
| | | top: `${y}px`, |
| | | }) |
| | | |
| | | setPosition(popoverElement) |
| | | link.appendChild(popoverElement) |
| | | link.dataset.fetchedPopover = "true" |
| | | }) |