From 5a36e5b68d9d49ddcbfc87421216bfa6b9d913cf Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Fri, 02 Feb 2024 08:29:45 +0000
Subject: [PATCH] fix(style): reasonable page width for rich search preview

---
 quartz/components/scripts/search.inline.ts |   82 +++++++++++++++++++++--------------------
 1 files changed, 42 insertions(+), 40 deletions(-)

diff --git a/quartz/components/scripts/search.inline.ts b/quartz/components/scripts/search.inline.ts
index c960f5e..2924f39 100644
--- a/quartz/components/scripts/search.inline.ts
+++ b/quartz/components/scripts/search.inline.ts
@@ -15,10 +15,30 @@
 type SearchType = "basic" | "tags"
 let searchType: SearchType = "basic"
 let currentSearchTerm: string = ""
-let index: FlexSearch.Document<Item> | undefined = undefined
-const p = new DOMParser()
 const encoder = (str: string) => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])/)
+let index = new FlexSearch.Document<Item>({
+  charset: "latin:extra",
+  encode: encoder,
+  document: {
+    id: "id",
+    index: [
+      {
+        field: "title",
+        tokenize: "forward",
+      },
+      {
+        field: "content",
+        tokenize: "forward",
+      },
+      {
+        field: "tags",
+        tokenize: "forward",
+      },
+    ],
+  },
+})
 
+const p = new DOMParser()
 const fetchContentCache: Map<FullSlug, Element[]> = new Map()
 const contextWindowWords = 30
 const numSearchResults = 8
@@ -76,14 +96,15 @@
     })
     .join(" ")
 
-  return `${startIndex === 0 ? "" : "..."}${slice}${endIndex === tokenizedText.length - 1 ? "" : "..."
-    }`
+  return `${startIndex === 0 ? "" : "..."}${slice}${
+    endIndex === tokenizedText.length - 1 ? "" : "..."
+  }`
 }
 
-function highlightHTML(searchTerm: string, innerHTML: string) {
+function highlightHTML(searchTerm: string, el: HTMLElement) {
   const p = new DOMParser()
   const tokenizedTerms = tokenizeTerm(searchTerm)
-  const html = p.parseFromString(innerHTML, "text/html")
+  const html = p.parseFromString(el.innerHTML, "text/html")
 
   const createHighlightSpan = (text: string) => {
     const span = document.createElement("span")
@@ -276,13 +297,15 @@
       return []
     }
 
-    return tags.map(tag => {
-      if (tag.toLowerCase().includes(term.toLowerCase())) {
-        return `<li><p class="match-tag">#${tag}</p></li>`
-      } else {
-        return `<li><p>#${tag}</p></li>`
-      }
-    }).slice(0, numTagResults)
+    return tags
+      .map((tag) => {
+        if (tag.toLowerCase().includes(term.toLowerCase())) {
+          return `<li><p class="match-tag">#${tag}</p></li>`
+        } else {
+          return `<li><p>#${tag}</p></li>`
+        }
+      })
+      .slice(0, numTagResults)
   }
 
   function resolveUrl(slug: FullSlug): URL {
@@ -299,7 +322,7 @@
 
     async function onMouseEnter(ev: MouseEvent) {
       if (!ev.target) return
-      currentHover?.classList.remove('focus')
+      currentHover?.classList.remove("focus")
       currentHover?.blur()
       const target = ev.target as HTMLInputElement
       await displayPreview(target)
@@ -386,13 +409,15 @@
     previewInner = document.createElement("div")
     previewInner.classList.add("preview-inner")
     const innerDiv = await fetchContent(slug).then((contents) =>
-      contents.map((el) => highlightHTML(currentSearchTerm, el.innerHTML)),
+      contents.flatMap((el) => [...highlightHTML(currentSearchTerm, el as HTMLElement).children]),
     )
     previewInner.append(...innerDiv)
     preview.replaceChildren(previewInner)
 
     // scroll to longest
-    const highlights = [...preview.querySelectorAll(".highlight")].sort((a, b) => b.innerHTML.length - a.innerHTML.length)
+    const highlights = [...preview.querySelectorAll(".highlight")].sort(
+      (a, b) => b.innerHTML.length - a.innerHTML.length,
+    )
     highlights[0]?.scrollIntoView()
   }
 
@@ -439,7 +464,7 @@
   searchBar?.addEventListener("input", onType)
   window.addCleanup(() => searchBar?.removeEventListener("input", onType))
 
-  index ??= await fillDocument(data)
+  await fillDocument(data)
   registerEscapeHandler(container, hideSearch)
 })
 
@@ -449,27 +474,6 @@
  * @param data data to fill index with
  */
 async function fillDocument(data: { [key: FullSlug]: ContentDetails }) {
-  const index = new FlexSearch.Document<Item>({
-    charset: "latin:extra",
-    encode: encoder,
-    document: {
-      id: "id",
-      index: [
-        {
-          field: "title",
-          tokenize: "forward",
-        },
-        {
-          field: "content",
-          tokenize: "forward",
-        },
-        {
-          field: "tags",
-          tokenize: "forward",
-        },
-      ],
-    },
-  })
   let id = 0
   for (const [slug, fileData] of Object.entries<ContentDetails>(data)) {
     await index.addAsync(id++, {
@@ -480,6 +484,4 @@
       tags: fileData.tags,
     })
   }
-
-  return index
 }

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