WIP

packages/svelte/src/internal/client/dom/blocks/boundary.js

@@ -2,7 +2,7 @@
 
 import { BOUNDARY_EFFECT, EFFECT_TRANSPARENT } from '#client/constants';
 import { component_context, set_component_context } from '../../context.js';
-import { reset_is_throwing_error } from '../../error-handling.js';
+import { invoke_error_boundary, reset_is_throwing_error } from '../../error-handling.js';
 import { block, branch, destroy_effect, pause_effect } from '../../reactivity/effects.js';
 import {
 	active_effect,
@@ -115,8 +115,8 @@ export function boundary(node, props, boundary_fn) {
 									() => reset
 								);
 							});
-						} catch {
+						} catch (error) {
-							// do nothing, handle_error has already been invoked
+							invoke_error_boundary(error, /** @type {Effect} */ (boundary.parent));
 						}
 
 						reset_is_throwing_error();

packages/svelte/src/internal/client/error-handling.js

@@ -51,7 +51,7 @@ export function invoke_error_boundary(error, effect) {
 				current.fn(error);
 				return;
 			} catch {
-				// Remove boundary flag from effect
+				// Remove boundary flag from effect (TODO is this still useful?)
 				current.f ^= BOUNDARY_EFFECT;
 			}
 		}