resolves #433 add support for the built-in search plugin

CHANGELOG.md

@@ -75,6 +75,8 @@ _presentation-docinfo-footer.html_
 
  * Upgrade to reveal.js 4.1.2 (#370)
  * Add support for the Auto-Animate feature (#439)
+ * Add support for the built-in search plugin (#441)
+   You can enable this plugin using `:revealjs_plugin_search: enabled`.
 
 ## 4.1.0 (2020-12-19)
 

examples/search-plugin.adoc

@@ -0,0 +1,26 @@
+= Search Plugin
+:revealjs_plugin_search: enabled
+:experimental:
+
+== Search
+
+Press kbd:[Ctrl+Shift+F] to search slide content. +
+For instance, you can search "asciidoc".
+
+Then, press kbd:[Enter] to navigate between search hits.
+
+== Blank
+
+😶
+
+== Asciidoctor
+
+Asciidoctor is a fast, open source text processor and publishing toolchain.
+
+== Content
+
+❔
+
+== AsciiDoc
+
+AsciiDoc is a lightweight and semantic markup language primarily designed for writing technical documentation. 

templates/helpers.rb

@@ -195,6 +195,7 @@ def revealjs_dependencies(document, node, revealjsdir)
     dependencies = []
     dependencies << "{ src: '#{revealjsdir}/plugin/zoom/zoom.js', async: true, callback: function () { Reveal.registerPlugin(RevealZoom) } }" unless (node.attr? 'revealjs_plugin_zoom', 'disabled')
     dependencies << "{ src: '#{revealjsdir}/plugin/notes/notes.js', async: true, callback: function () { Reveal.registerPlugin(RevealNotes) } }" unless (node.attr? 'revealjs_plugin_notes', 'disabled')
+    dependencies << "{ src: '#{revealjsdir}/plugin/search/search.js', async: true, callback: function () { Reveal.registerPlugin(RevealSearch) } }" if (node.attr? 'revealjs_plugin_search', 'enabled')
     if (node.attr? 'revealjs_plugins') &&
         !(revealjs_plugins_file = (node.attr 'revealjs_plugins', '').strip).empty? &&
         !(revealjs_plugins_content = (File.read revealjs_plugins_file).strip).empty?