From de2b6b9a1b95cb6af7eb421d9a4de054e7e41315 Mon Sep 17 00:00:00 2001
From: SafEight <43656822+SafEight@users.noreply.github.com>
Date: Sat, 19 Nov 2022 21:17:55 +0000
Subject: [PATCH] feat: Replace == with <mark> (#234)

---
 assets/js/popover.js |   62 +++++++++++++++++++++---------
 1 files changed, 43 insertions(+), 19 deletions(-)

diff --git a/assets/js/popover.js b/assets/js/popover.js
index 9270b8a..29104b9 100644
--- a/assets/js/popover.js
+++ b/assets/js/popover.js
@@ -5,13 +5,14 @@
   return template.content.firstChild
 }
 
-function initPopover(baseURL, useContextualBacklinks) {
+function initPopover(baseURL, useContextualBacklinks, renderLatex) {
   const basePath = baseURL.replace(window.location.origin, "")
   fetchData.then(({ content }) => {
     const links = [...document.getElementsByClassName("internal-link")]
     links
       .filter(li => li.dataset.src || (li.dataset.idx && useContextualBacklinks))
       .forEach(li => {
+        var el
         if (li.dataset.ctx) {
           const linkDest = content[li.dataset.src]
           const popoverElement = `<div class="popover">
@@ -19,31 +20,54 @@
     <p>${highlight(removeMarkdown(linkDest.content), li.dataset.ctx)}...</p>
     <p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
 </div>`
-          const el = htmlToElement(popoverElement)
+          el = htmlToElement(popoverElement)
+        } else {
+          const linkDest = content[li.dataset.src.replace(/\/$/g, "").replace(basePath, "")]
+          if (linkDest) {
+            let splitLink = li.href.split("#")
+            let cleanedContent = removeMarkdown(linkDest.content)
+            if (splitLink.length > 1) {
+              let headingName = decodeURIComponent(splitLink[1]).replace(/\-/g, " ")
+              let headingIndex = cleanedContent.toLowerCase().indexOf("<b>" + headingName + "</b>")
+              cleanedContent = cleanedContent.substring(headingIndex, cleanedContent.length)
+            }
+            const popoverElement = `<div class="popover">
+    <h3>${linkDest.title}</h3>
+    <p>${cleanedContent.split(" ", 20).join(" ")}...</p>
+    <p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
+</div>`
+            el = htmlToElement(popoverElement)
+          }
+        }
+
+        if (el) {
           li.appendChild(el)
+          if (renderLatex) {
+            renderMathInElement(el, {
+              delimiters: [
+                { left: '$$', right: '$$', display: false },
+                { left: '$', right: '$', display: false },
+              ],
+              throwOnError: false
+            })
+          }
+
           li.addEventListener("mouseover", () => {
+            // fix tooltip positioning
+            window.FloatingUIDOM.computePosition(li, el, {
+              middleware: [window.FloatingUIDOM.offset(10), window.FloatingUIDOM.inline(), window.FloatingUIDOM.shift()],
+            }).then(({ x, y }) => {
+              Object.assign(el.style, {
+                left: `${x}px`,
+                top: `${y}px`,
+              })
+            })
+
             el.classList.add("visible")
           })
           li.addEventListener("mouseout", () => {
             el.classList.remove("visible")
           })
-        } else {
-          const linkDest = content[li.dataset.src.replace(/\/$/g, "").replace(basePath, "")]
-          if (linkDest) {
-            const popoverElement = `<div class="popover">
-    <h3>${linkDest.title}</h3>
-    <p>${removeMarkdown(linkDest.content).split(" ", 20).join(" ")}...</p>
-    <p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
-</div>`
-            const el = htmlToElement(popoverElement)
-            li.appendChild(el)
-            li.addEventListener("mouseover", () => {
-              el.classList.add("visible")
-            })
-            li.addEventListener("mouseout", () => {
-              el.classList.remove("visible")
-            })
-          }
         }
       })
   })

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