Adds default file

Cargo.toml

@@ -22,4 +22,4 @@ serde = { version = "1.0.192", features = ["derive"] }
 serde_json = "1.0.108"
 tera = { version = "1.19.1", default-features = false, features = ["builtins"] }
 toml = "0.5.11"
-uuid = { version = "1.6.1", features = ["v4"] }
+uuid = { version = "1.6.1", features = ["v4", "serde"] }

docs/src/reference/files.md

@@ -25,6 +25,9 @@ path = "path/to/folder"
 # file. Without `!`, all matches of the glob provided are treated as whitelist matches.
 ignore = ["*.png", "!*.md"]
 
+# When set, is the default file to show.
+default_file = "README.md"
+
 # Process ignores case insensitively
 ignore_case_insensitive = false
 

docs/src/tests/book.md

@@ -7,6 +7,7 @@ path = "docs"
 hidden = true
 git_ignore = true
 ignore = ["!**/*.png"]
+default_file = "src/SUMMARY.md"
 ```
 
 ## Subchapter

src/lib.rs

@@ -30,6 +30,10 @@ pub struct Files {
     #[serde(default)]
     pub ignore: Vec<String>,
 
+    /// When specified, path to the file that is opened by default.
+    #[serde(default)]
+    pub default_file: Option<Utf8PathBuf>,
+
     /// Process ignores case insensitively
     #[serde(default)]
     pub ignore_case_insensitive: bool,
@@ -241,7 +245,6 @@ impl<'a> Instance<'a> {
         }
 
         let list = root.render()?;
-        info!("{list:?}");
         output.push_str(&list);
         output.push_str("</div>");
         Ok(output)
@@ -292,11 +295,15 @@ impl<'a> Instance<'a> {
         events.append(&mut self.right(&paths)?);
         events.push(Event::Html(CowStr::Boxed("</div>".to_string().into())));
 
-        let uuids: Vec<String> = paths.values().map(|uuid| uuid.to_string()).collect();
+        let uuids: Vec<Uuid> = paths.values().copied().collect();
+        let visible = match &self.data.default_file {
+            Some(file) => paths.get(&self.parent().join(file)).unwrap(),
+            None => &uuids[0],
+        };
 
         let mut context = tera::Context::new();
         context.insert("uuids", &uuids);
-        context.insert("visible", &uuids[0]);
+        context.insert("visible", visible);
 
         let script = self.context.tera.render("script", &context)?;