Add offlineSearchSummaryLength to config.toml

assets/json/offline-search-index.json

@@ -1,5 +1,5 @@
 {{- $.Scratch.Add "offline-search-index" slice -}}
 {{- range where .Site.AllPages ".Params.exclude_search" "!=" true -}}
-{{- $.Scratch.Add "offline-search-index" (dict "title" (.Title | htmlUnescape) "ref" .RelPermalink "body" (.Plain | htmlUnescape) "excerpt" (.Summary | htmlUnescape | truncate 100)) -}}
+{{- $.Scratch.Add "offline-search-index" (dict "title" (.Title | htmlUnescape) "ref" .RelPermalink "body" (.Plain | htmlUnescape) "excerpt" (.Plain | htmlUnescape | truncate (.Site.Params.offlineSearchSummaryLength | default 70))) -}}
 {{- end -}}
 {{- $.Scratch.Get "offline-search-index" | jsonify -}}

userguide/config.toml

@@ -127,6 +127,7 @@ algolia_docsearch = false
 
 #Enable offline search with Lunr.js
 offlineSearch = false
+offlineSearchSummaryLength = 70
 
 # User interface configuration
 [params.ui]
@@ -188,5 +189,3 @@ enable = false
 	# url = "https://example.org/mail"
 	# icon = "fa fa-envelope"
         # desc = "Discuss development issues around the project"
-
-

userguide/content/en/docs/Adding content/navigation.md

@@ -187,6 +187,16 @@ Once you've completed these steps, local search is enabled for your site and res
 If you're [testing this locally](/docs/deployment/#serving-your-site-locally) using Hugo’s local server functionality, you need to build your `offline-search-index.xxx.json` file first by running `hugo`. If you have the Hugo server running while you build `offline-search-index.xxx.json`, you may need to stop the server and restart it in order to see your search results.
 {{% /alert %}}
 
+### Changing the summary length of the local search results
+
+You can customize the summary length by setting `offlineSearchSummaryLength` in `config.toml`.
+
+```
+#Enable offline search with Lunr.js
+offlineSearch = true
+offlineSearchSummaryLength = 200
+```
+
 ### Changing the width of the local search results popover
 
 The width of the search results popover will automatically widen according to the content.