Add search.enable config field

book-example/src/format/config.md

@@ -113,6 +113,7 @@ Available configuration options for the `[output.html.playpen]` table:
 
 Available configuration options for the `[output.html.search]` table:
 
+- **enable:** Enables the search feature. Defaults to `true`.
 - **limit-results:** The maximum number of search results. Defaults to `30`.
 - **teaser-word-count:** The number of words used for a search result teaser. 
   Defaults to `30`.
@@ -168,6 +169,7 @@ boost-hierarchy = 1
 boost-paragraph = 1
 expand = true
 heading-split-level = 3
+copy-js = true
 ```
 
 

src/config.rs

@@ -463,9 +463,11 @@ impl Default for Playpen {
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 #[serde(default, rename_all = "kebab-case")]
 pub struct Search {
+    /// Enable the search feature. Default: `true`.
+    pub enable: bool,
     /// Maximum number of visible results. Default: `30`.
     pub limit_results: u32,
-    /// The number of words used for a search result teaser. Default: `30`,
+    /// The number of words used for a search result teaser. Default: `30`.
     pub teaser_word_count: u32,
     /// Define the logical link between multiple search words.
     /// If true, all search words must appear in each result. Default: `true`.
@@ -494,6 +496,7 @@ impl Default for Search {
     fn default() -> Search {
         // Please update the documentation of `Search` when changing values!
         Search {
+            enable: true,
             limit_results: 30,
             teaser_word_count: 30,
             use_boolean_and: false,

src/renderer/html_handlebars/hbs_renderer.rs

@@ -367,8 +367,10 @@ impl Renderer for HtmlHandlebars {
             .chain_err(|| "Unable to copy across additional CSS and JS")?;
 
         // Render search index
-        #[cfg(feature = "search")]
-        super::search::create_files(&html_config.search.unwrap_or_default(), &destination, &book)?;
+        let search = html_config.search.unwrap_or_default();
+        if cfg!(feature = "search") && search.enable {
+            super::search::create_files(&search, &destination, &book)?;
+        }
 
         // Copy all remaining files
         utils::fs::copy_files_except_ext(&src_dir, &destination, true, &["md"])?;
@@ -446,10 +448,9 @@ fn make_data(
 
     let search = html_config.search.clone();
     if cfg!(feature = "search") {
-        data.insert("search_enabled".to_owned(), json!(true));
-        if search.unwrap_or_default().copy_js {
-            data.insert("search_js".to_owned(), json!(true));
-        }
+        let search = search.unwrap_or_default();
+        data.insert("search_enabled".to_owned(), json!(search.enable));
+        data.insert("search_js".to_owned(), json!(search.copy_js));
     } else if search.is_some() {
         warn!("mdBook compiled without search support, ignoring `output.html.search` table");
         warn!(