From b44a79eebaf1664512ef5ff4e3246b3a6a416ff4 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Tue, 19 Dec 2023 19:40:59 +0000
Subject: [PATCH] fix: wikilinks should allow external links (closes #639)

---
 quartz/components/scripts/popover.inline.ts |   51 +++++++++++++++++++++------------------------------
 1 files changed, 21 insertions(+), 30 deletions(-)

diff --git a/quartz/components/scripts/popover.inline.ts b/quartz/components/scripts/popover.inline.ts
index 666371b..4d51e2a 100644
--- a/quartz/components/scripts/popover.inline.ts
+++ b/quartz/components/scripts/popover.inline.ts
@@ -1,34 +1,19 @@
 import { computePosition, flip, inline, shift } from "@floating-ui/dom"
-
-// from micromorph/src/utils.ts
-// https://github.com/natemoo-re/micromorph/blob/main/src/utils.ts#L5
-export function normalizeRelativeURLs(
-  el: Element | Document,
-  base: string | URL
-) {
-  const update = (el: Element, attr: string, base: string | URL) => {
-    el.setAttribute(attr, new URL(el.getAttribute(attr)!, base).pathname)
-  }
-
-  el.querySelectorAll('[href^="./"], [href^="../"]').forEach((item) =>
-    update(item, 'href', base)
-  )
-
-  el.querySelectorAll('[src^="./"], [src^="../"]').forEach((item) =>
-    update(item, 'src', base)
-  )
-}
+import { normalizeRelativeURLs } from "../../util/path"
 
 const p = new DOMParser()
-async function mouseEnterHandler(this: HTMLLinkElement, { clientX, clientY }: { clientX: number, clientY: number }) {
+async function mouseEnterHandler(
+  this: HTMLLinkElement,
+  { clientX, clientY }: { clientX: number; clientY: number },
+) {
   const link = this
+  if (link.dataset.noPopover === "true") {
+    return
+  }
+
   async function setPosition(popoverElement: HTMLElement) {
     const { x, y } = await computePosition(link, popoverElement, {
-      middleware: [
-        inline({ x: clientX, y: clientY }),
-        shift(),
-        flip()
-      ]
+      middleware: [inline({ x: clientX, y: clientY }), shift(), flip()],
     })
     Object.assign(popoverElement.style, {
       left: `${x}px`,
@@ -36,8 +21,11 @@
     })
   }
 
+  const hasAlreadyBeenFetched = () =>
+    [...link.children].some((child) => child.classList.contains("popover"))
+
   // dont refetch if there's already a popover
-  if ([...link.children].some(child => child.classList.contains("popover"))) {
+  if (hasAlreadyBeenFetched()) {
     return setPosition(link.lastChild as HTMLElement)
   }
 
@@ -48,8 +36,6 @@
   const hash = targetUrl.hash
   targetUrl.hash = ""
   targetUrl.search = ""
-  // prevent hover of the same page
-  if (thisUrl.toString() === targetUrl.toString()) return
 
   const contents = await fetch(`${targetUrl}`)
     .then((res) => res.text())
@@ -57,6 +43,11 @@
       console.error(err)
     })
 
+  // bailout if another popover exists
+  if (hasAlreadyBeenFetched()) {
+    return
+  }
+
   if (!contents) return
   const html = p.parseFromString(contents, "text/html")
   normalizeRelativeURLs(html, targetUrl)
@@ -68,7 +59,7 @@
   const popoverInner = document.createElement("div")
   popoverInner.classList.add("popover-inner")
   popoverElement.appendChild(popoverInner)
-  elts.forEach(elt => popoverInner.appendChild(elt))
+  elts.forEach((elt) => popoverInner.appendChild(elt))
 
   setPosition(popoverElement)
   link.appendChild(popoverElement)
@@ -77,7 +68,7 @@
     const heading = popoverInner.querySelector(hash) as HTMLElement | null
     if (heading) {
       // leave ~12px of buffer when scrolling to a heading
-      popoverInner.scroll({ top: heading.offsetTop - 12, behavior: 'instant' })
+      popoverInner.scroll({ top: heading.offsetTop - 12, behavior: "instant" })
     }
   }
 }

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