diff options
Diffstat (limited to 'core/runtime.rs')
| -rw-r--r-- | core/runtime.rs | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/core/runtime.rs b/core/runtime.rs index e915571e0..7b63028cd 100644 --- a/core/runtime.rs +++ b/core/runtime.rs @@ -170,6 +170,10 @@ pub struct RuntimeOptions { /// is set to `JsError::create()`. pub js_error_create_fn: Option<Box<JsErrorCreateFn>>, + /// Allows to map error type to a string "class" used to represent + /// error in JavaScript. + pub get_error_class_fn: Option<GetErrorClassFn>, + /// Implementation of `ModuleLoader` which will be /// called when V8 requests to load ES modules. /// @@ -254,7 +258,11 @@ impl JsRuntime { let js_error_create_fn = options .js_error_create_fn .unwrap_or_else(|| Box::new(JsError::create)); - let op_state = OpState::default(); + let mut op_state = OpState::default(); + + if let Some(get_error_class_fn) = options.get_error_class_fn { + op_state.get_error_class_fn = get_error_class_fn; + } isolate.set_slot(Rc::new(RefCell::new(JsRuntimeState { global_context: Some(global_context), |