refactor(ext/napi): use concrete error types (#26186)

1 files changed, 11 insertions, 0 deletions

diff --git a/runtime/errors.rs b/runtime/errors.rs
index 99de6beb0..935f62d26 100644
--- a/runtime/errors.rs
+++ b/runtime/errors.rs
@@ -26,6 +26,7 @@ use deno_ffi::StaticError;
 use deno_kv::KvCheckError;
 use deno_kv::KvError;
 use deno_kv::KvMutationError;
+use deno_napi::NApiError;
 use deno_net::ops::NetError;
 use deno_tls::TlsError;
 use deno_web::BlobError;
@@ -174,6 +175,15 @@ pub fn get_nix_error_class(error: &nix::Error) -> &'static str {
   }
 }
 
+fn get_napi_error_class(e: &NApiError) -> &'static str {
+  match e {
+    NApiError::InvalidPath
+    | NApiError::LibLoading(_)
+    | NApiError::ModuleNotFound(_) => "TypeError",
+    NApiError::Permission(e) => get_error_class_name(e).unwrap_or("Error"),
+  }
+}
+
 fn get_web_error_class(e: &WebError) -> &'static str {
   match e {
     WebError::Base64Decode => "DOMExceptionInvalidCharacterError",
@@ -443,6 +453,7 @@ pub fn get_error_class_name(e: &AnyError) -> Option<&'static str> {
   deno_core::error::get_custom_error_class(e)
     .or_else(|| deno_webgpu::error::get_error_class_name(e))
     .or_else(|| deno_websocket::get_network_error_class_name(e))
+    .or_else(|| e.downcast_ref::<NApiError>().map(get_napi_error_class))
     .or_else(|| e.downcast_ref::<WebError>().map(get_web_error_class))
     .or_else(|| {
       e.downcast_ref::<CompressionError>()