isokit: project layer, Studio GUI, MCP server, viewer, CLI, demo project and docs

crates/isokit-theme/src/lib.rs

@@ -43,7 +43,9 @@ fn upsert(list: &mut Vec<(String, String)>, k: &str, v: String) {
 
 fn strings(t: Option<&toml::Value>, what: &str) -> Result<Vec<(String, String)>, String> {
     let Some(v) = t else { return Ok(vec![]) };
-    let tab = v.as_table().ok_or_else(|| format!("[{what}] must be a table"))?;
+    let tab = v
+        .as_table()
+        .ok_or_else(|| format!("[{what}] must be a table"))?;
     tab.iter()
         .map(|(k, v)| match v {
             toml::Value::String(s) => Ok((k.clone(), s.clone())),
@@ -58,7 +60,8 @@ impl Theme {
     /// The built-in default theme.
     pub fn default_theme() -> Self {
         let mut t = Theme::default();
-        t.merge_str(DEFAULT, "default").expect("built-in theme parses");
+        t.merge_str(DEFAULT, "default")
+            .expect("built-in theme parses");
         t
     }
 
@@ -79,7 +82,11 @@ impl Theme {
         for (k, v) in strings(tab.get("rules"), "rules").map_err(err)? {
             upsert(&mut self.rules, &k, v);
         }
-        if let Some(css) = tab.get("extra").and_then(|e| e.get("css")).and_then(|c| c.as_str()) {
+        if let Some(css) = tab
+            .get("extra")
+            .and_then(|e| e.get("css"))
+            .and_then(|c| c.as_str())
+        {
             self.extra.push_str(css);
             self.extra.push('\n');
         }
@@ -118,7 +125,11 @@ impl Theme {
         match light {
             None => {
                 block(&mut o, scope, &self.dark);
-                block(&mut o, &format!("html[data-theme=light] {scope}"), &self.light);
+                block(
+                    &mut o,
+                    &format!("html[data-theme=light] {scope}"),
+                    &self.light,
+                );
             }
             Some(false) => block(&mut o, scope, &self.dark),
             Some(true) => {