[doc] Fix search index (#5618)

adangel · adangel · commit fc2b908f4da2 · 2025-03-27T16:42:21.000+01:00
Merge pull request #5618 from adangel:doc/fix-search
diff --git a/docs/_plugins/custom_filters.rb b/docs/_plugins/custom_filters.rb
@@ -106,6 +106,18 @@ def random_alphabetic(length)
     ('a'..'z').to_a.shuffle[0, length].join
   end
 
+  def escape_json(text)
+    if text
+      res = text
+      res = res.gsub(/\\/, '\\\\')
+      res = res.gsub(/"/, '\\"')
+      res = res.gsub(/\n/, '\\n')
+      res = res.gsub(/\r/, '\\r')
+      res = res.gsub(/\f/, '\\f')
+      res = res.gsub(/\t/, '\\t')
+      res = res.gsub(/\b/, '\\b')
+    end
+  end
 
   private
 
diff --git a/docs/search.json b/docs/search.json
@@ -16,7 +16,7 @@ search: exclude
 "tags": "{{ page.tags }}",
 "keywords": "{{rule}}",
 "url": "{{ page.url | remove: "/"}}#{{ rule | downcase }}",
-"summary": "{{page.summary | strip }}"
+"summary": "{{page.summary | strip | escape_json }}"
 }
 {% unless forloop.last %},{% endunless %}
 {% endfor %}
@@ -26,7 +26,7 @@ search: exclude
 "tags": "{{ page.tags }}",
 "keywords": "{{page.keywords}}",
 "url": "{{ page.url | remove: "/"}}",
-"summary": "{{page.summary | strip }}"
+"summary": "{{page.summary | strip | escape_json }}"
 }
 {% endif %}
 
@@ -42,7 +42,7 @@ search: exclude
 "tags": "{{ post.tags }}",
 "keywords": "{{post.keywords}}",
 "url": "{{ post.url | remove: "/" }}",
-"summary": "{{post.summary | strip }}"
+"summary": "{{post.summary | strip | escape_json }}"
 }
 {% unless forloop.last %},{% endunless %}
 {% endfor %}
