tweaks

Author: trueadm

packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteBoundary.js

@@ -79,10 +79,12 @@ export function SvelteBoundary(node, context) {
 	const props_expression =
 		!has_spread && Array.isArray(props_and_spreads[0])
 			? b.object(props_and_spreads[0])
-			: b.call(
-					'$.spread_props',
-					...props_and_spreads.map((p) => (Array.isArray(p) ? b.object(p) : p))
-				);
+			: props_and_spreads.length === 0
+				? b.object([])
+				: b.call(
+						'$.spread_props',
+						...props_and_spreads.map((p) => (Array.isArray(p) ? b.object(p) : p))
+					);
 
 	const boundary = b.stmt(
 		b.call('$.boundary', context.state.node, b.arrow([b.id('$$anchor')], block), props_expression)

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

@@ -71,6 +71,10 @@ export function boundary(node, boundary_fn, props) {
 			var onerror = props.onerror;
 			let failed_snippet = props.failed;
 
+			if (boundary_effect) {
+				destroy_effect(boundary_effect);
+			}
+
 			// If we have nothing to capture the error then rethrow the error
 			// for another boundary to handle
 			if (!onerror && !failed_snippet) {
@@ -88,10 +92,12 @@ export function boundary(node, boundary_fn, props) {
 				});
 			};
 
+			// Handle the `onerror` event handler
 			if (onerror) {
 				onerror(error, reset);
 			}
 
+			// Handle the `failed` snippet fallback
 			if (failed_snippet) {
 				// Ensure we create the boundary branch after the catch event cycle finishes
 				queue_micro_task(() => {
@@ -107,17 +113,6 @@ export function boundary(node, boundary_fn, props) {
 					});
 				});
 			}
-
-			// If there was an error then we'll need to remove the current content
-			// that was SSR'd
-			if (hydrating) {
-				set_hydrate_node(/** @type {TemplateNode} */ (start.nextSibling));
-				var hydration_node = remove_nodes();
-				set_hydrate_node(hydration_node);
-			}
-			if (boundary_effect) {
-				destroy_effect(boundary_effect);
-			}
 		};
 
 		if (hydrating) {