Fix multiple index.html error.

When multiple crates with index.html are found, now prefers the directory
that matches the crate name exactly (with hyphens converted to underscores).
Previously it would crash.

Author: Tyler-Hardin

src/doc_loader.rs

@@ -129,18 +129,48 @@ edition = "2021"
     let mut target_docs_path: Option<PathBuf> = None;
     let mut found_count = 0;
 
+    // Convert crate name with hyphens to underscores for directory matching
+    let expected_dir_name = crate_name.replace("-", "_");
+
     if base_doc_path.is_dir() {
+        eprintln!("Looking for documentation in: {}", base_doc_path.display());
+        eprintln!("Target crate directory name: {}", expected_dir_name);
+
         for entry_result in fs::read_dir(&base_doc_path)? {
             let entry = entry_result?;
             if entry.file_type()?.is_dir() {
                 let dir_path = entry.path();
+                let dir_name = dir_path.file_name()
+                    .and_then(|n| n.to_str())
+                    .unwrap_or("");
+
+                eprintln!("  Found directory: {}", dir_name);
+
+                // Skip the temp crate's own documentation
+                if dir_name == "temp_doc_crate" {
+                    eprintln!("    -> Skipping temp_doc_crate");
+                    continue;
+                }
+
                 let index_html_path = dir_path.join("index.html");
                 if index_html_path.is_file() {
-                    if target_docs_path.is_none() {
+                    eprintln!("    -> Has index.html");
+
+                    // Prefer the directory that matches our target crate name
+                    if dir_name == expected_dir_name {
+                        eprintln!("    -> MATCHES target crate name!");
                         target_docs_path = Some(dir_path);
+                        found_count = 1; // Reset count since we found our target
+                        break; // Stop searching, we found what we want
+                    } else if target_docs_path.is_none() {
+                        // Keep as fallback if we don't find exact match
+                        target_docs_path = Some(dir_path);
+                        found_count += 1;
+                    } else {
+                        found_count += 1;
                     }
-                    found_count += 1;
                 } else {
+                    eprintln!("    -> No index.html");
                 }
             }
         }
@@ -201,7 +231,7 @@ edition = "2021"
         }
     }
 
-    // --- Initialize paths_to_process and explicitly add the root index.html if it exists --- 
+    // --- Initialize paths_to_process and explicitly add the root index.html if it exists ---
     let mut paths_to_process: Vec<PathBuf> = Vec::new();
     let root_index_path = docs_path.join("index.html");
     if root_index_path.is_file() {
@@ -311,4 +341,4 @@ edition = "2021"
 
     eprintln!("Finished document loading. Found {} final documents.", documents.len());
     Ok(documents)
-}
+}