changes

src-tauri/src/library.rs

@@ -19,12 +19,14 @@ fn corrupt_summary(stem: &str) -> BookSummary {
     }
 }
 
-fn library_dir(app: &tauri::AppHandle) -> Result<PathBuf, String> {
-    let dir = app
-        .path()
-        .app_data_dir()
-        .map_err(|e| e.to_string())?
-        .join("library");
+pub(crate) fn app_data_dir(app: &tauri::AppHandle) -> Result<PathBuf, String> {
+    let dir = app.path().app_data_dir().map_err(|e| e.to_string())?;
+    fs::create_dir_all(&dir).map_err(|e| e.to_string())?;
+    Ok(dir)
+}
+
+pub(crate) fn library_dir(app: &tauri::AppHandle) -> Result<PathBuf, String> {
+    let dir = app_data_dir(app)?.join("library");
     fs::create_dir_all(&dir).map_err(|e| e.to_string())?;
     Ok(dir)
 }