From 03ccac2872822442b4e11457e1c3452167a3f639 Mon Sep 17 00:00:00 2001
From: Amir Pourmand <pourmand1376@gmail.com>
Date: Wed, 17 Sep 2025 22:39:30 +0000
Subject: [PATCH] feat: Update FlexSearch and Add Support for All Languages (#2108)

---
 quartz/components/scripts/search.inline.ts |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/quartz/components/scripts/search.inline.ts b/quartz/components/scripts/search.inline.ts
index 28d47e9..6a84a50 100644
--- a/quartz/components/scripts/search.inline.ts
+++ b/quartz/components/scripts/search.inline.ts
@@ -1,4 +1,4 @@
-import FlexSearch from "flexsearch"
+import FlexSearch, { DefaultDocumentSearchResults } from "flexsearch"
 import { ContentDetails } from "../../plugins/emitters/contentIndex"
 import { registerEscapeHandler, removeAllChildren } from "./util"
 import { FullSlug, normalizeRelativeURLs, resolveRelative } from "../../util/path"
@@ -9,15 +9,21 @@
   title: string
   content: string
   tags: string[]
+  [key: string]: any
 }
 
 // Can be expanded with things like "term" in the future
 type SearchType = "basic" | "tags"
 let searchType: SearchType = "basic"
 let currentSearchTerm: string = ""
-const encoder = (str: string) => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])/)
+const encoder = (str: string) => {
+  return str
+    .toLowerCase()
+    .split(/\s+/)
+    .filter((token) => token.length > 0)
+}
+
 let index = new FlexSearch.Document<Item>({
-  charset: "latin:extra",
   encode: encoder,
   document: {
     id: "id",
@@ -397,7 +403,7 @@
     searchLayout.classList.toggle("display-results", currentSearchTerm !== "")
     searchType = currentSearchTerm.startsWith("#") ? "tags" : "basic"
 
-    let searchResults: FlexSearch.SimpleDocumentSearchResultSetUnit[]
+    let searchResults: DefaultDocumentSearchResults<Item>
     if (searchType === "tags") {
       currentSearchTerm = currentSearchTerm.substring(1).trim()
       const separatorIndex = currentSearchTerm.indexOf(" ")
@@ -410,7 +416,7 @@
           // return at least 10000 documents, so it is enough to filter them by tag (implemented in flexsearch)
           limit: Math.max(numSearchResults, 10000),
           index: ["title", "content"],
-          tag: tag,
+          tag: { tags: tag },
         })
         for (let searchResult of searchResults) {
           searchResult.result = searchResult.result.slice(0, numSearchResults)

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