From 7615d72e9300a1514ef2fc8ec941ab2974ba7eb4 Mon Sep 17 00:00:00 2001
From: Cotes Chung <11371340+cotes2020@users.noreply.github.com>
Date: Sat, 26 Jul 2025 20:22:30 +0800
Subject: [PATCH] fix: escape special JSON characters in search results (#2481)

Also restore full-text search
---
 _includes/post-description.html | 37 +++++++++++++++++++--------------
 assets/js/data/search.json      |  7 ++-----
 2 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/_includes/post-description.html b/_includes/post-description.html
index c00e51653..48bb03b76 100644
--- a/_includes/post-description.html
+++ b/_includes/post-description.html
@@ -2,24 +2,29 @@
   Get post description or generate it from the post content.
 {%- endcomment -%}
 
-{%- assign max_length = include.max_length | default: 200 -%}
-
 {%- capture description -%}
-{%- if post.description -%}
-  {{- post.description -}}
-{%- else -%}
-  {% comment %}
-    Remove the line number of the code snippet.
-  {% endcomment %}
-  {% assign content = post.content %}
+  {%- if post.description -%}
+    {{- post.description -}}
+  {%- else -%}
+    {% comment %}
+      Remove the line number of the code snippet.
+    {% endcomment %}
+    {%- assign content = post.content -%}
 
-  {% if content contains '<td class="rouge-gutter gl"><pre class="lineno">' %}
-    {% assign content = content | replace: '<td class="rouge-gutter gl"><pre class="lineno">', '<!-- <td class="rouge-gutter gl"><pre class="lineno">'%}
-    {% assign content = content | replace: '</td><td class="rouge-code">', '</td> --><td class="rouge-code">' %}
-  {% endif %}
+    {%- if content contains '<td class="rouge-gutter gl"><pre class="lineno">' -%}
+      {%- assign content = content | replace: '<td class="rouge-gutter gl"><pre class="lineno">', '<!-- <td class="rouge-gutter gl"><pre class="lineno">' -%}
+      {%- assign content = content | replace: '</td><td class="rouge-code">', '</td> --><td class="rouge-code">' -%}
+    {%- endif -%}
 
-  {{- content | markdownify | strip_html | newline_to_br | replace: '<br />', ' ' | strip_newlines -}}
-{%- endif -%}
+    {{- content | strip_html | newline_to_br | replace: '<br />', ' ' | strip_newlines -}}
+  {%- endif -%}
 {%- endcapture -%}
 
-{{- description | strip | truncate: max_length | escape -}}
+{%- if include.json -%}
+  {%- assign description = description | jsonify -%}
+{%- else -%}
+  {%- assign max_length = include.max_length | default: 200 -%}
+  {%- assign description = description | strip | truncate: max_length -%}
+{%- endif -%}
+
+{{- description -}}
diff --git a/assets/js/data/search.json b/assets/js/data/search.json
index 32bcff9b0..5003e518f 100644
--- a/assets/js/data/search.json
+++ b/assets/js/data/search.json
@@ -5,16 +5,13 @@ swcache: true
 
 [
   {% for post in site.posts %}
-    {%- capture description -%}
-      {% include post-description.html %}
-    {%- endcapture -%}
   {
     "title": {{ post.title | jsonify }},
     "url": {{ post.url | relative_url | jsonify }},
     "categories": {{ post.categories | join: ', ' | jsonify }},
     "tags": {{ post.tags | join: ', ' | jsonify }},
-    "date": "{{ post.date }}",
-    "content": "{{ description }}"
+    "date": {{ post.date | jsonify }},
+    "content": {% include post-description.html json=true %}
   }{% unless forloop.last %},{% endunless %}
   {% endfor %}
 ]