selected

Author: dummdidumm

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

@@ -563,6 +563,8 @@ function build_element_attribute_update_assignment(element, node_id, attribute,
 		update = b.stmt(b.call('$.set_value', node_id, value));
 	} else if (name === 'checked') {
 		update = b.stmt(b.call('$.set_checked', node_id, value));
+	} else if (name === 'selected') {
+		update = b.stmt(b.call('$.set_selected', node_id, value));
 	} else if (is_dom_property(name)) {
 		update = b.stmt(b.assignment('=', b.member(node_id, name), value));
 	} else {

packages/svelte/src/internal/client/dom/elements/attributes.js

@@ -84,6 +84,21 @@ export function set_checked(element, checked) {
 	element.checked = checked;
 }
 
+/**
+ * Sets the `selected` attribute on an `option` element.
+ * Not set through the property because that doesn't reflect to the DOM,
+ * which means it wouldn't be taken into account when a form is reset.
+ * @param {HTMLOptionElement} element
+ * @param {boolean} selected
+ */
+export function set_selected(element, selected) {
+	if (selected) {
+		element.setAttribute('selected', '');
+	} else {
+		element.removeAttribute('selected');
+	}
+}
+
 /**
  * @param {Element} element
  * @param {string} attribute

packages/svelte/src/internal/client/index.js

@@ -33,7 +33,8 @@ export {
 	set_xlink_attribute,
 	handle_lazy_img,
 	set_value,
-	set_checked
+	set_checked,
+	set_selected
 } from './dom/elements/attributes.js';
 export { set_class, set_svg_class, set_mathml_class, toggle_class } from './dom/elements/class.js';
 export { apply, event, delegate, replay_events } from './dom/elements/events.js';