simplify init_select

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

@@ -666,7 +666,7 @@ function build_element_special_value_attribute(element, node_id, attribute, cont
 	);
 
 	if (is_select_with_value) {
-		state.init.push(b.stmt(b.call('$.init_select', node_id, b.thunk(value))));
+		state.init.push(b.stmt(b.call('$.init_select', node_id)));
 	}
 
 	if (has_state) {

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

@@ -6,7 +6,7 @@ import { create_event, delegate } from './events.js';
 import { add_form_reset_listener, autofocus } from './misc.js';
 import * as w from '../../warnings.js';
 import { LOADING_ATTR_SYMBOL } from '#client/constants';
-import { queue_idle_task } from '../task.js';
+import { queue_idle_task, queue_micro_task } from '../task.js';
 import { is_capture_event, is_delegated, normalize_attribute } from '../../../../utils.js';
 import {
 	active_effect,
@@ -20,7 +20,7 @@ import { clsx } from '../../../shared/attributes.js';
 import { set_class } from './class.js';
 import { set_style } from './style.js';
 import { ATTACHMENT_KEY, NAMESPACE_HTML } from '../../../../constants.js';
-import { block, branch, destroy_effect } from '../../reactivity/effects.js';
+import { block, branch, destroy_effect, effect } from '../../reactivity/effects.js';
 import { derived } from '../../reactivity/deriveds.js';
 import { init_select, select_option } from './bindings/select.js';
 
@@ -513,10 +513,15 @@ export function attribute_effect(
 	});
 
 	if (is_select) {
-		init_select(
-			/** @type {HTMLSelectElement} */ (element),
-			() => /** @type {Record<string | symbol, any>} */ (prev).value
-		);
+		var select = /** @type {HTMLSelectElement} */ (element);
+
+		if (!inited) {
+			effect(() => {
+				select_option(select, /** @type {Record<string | symbol, any>} */ (prev).value);
+			});
+		}
+
+		init_select(select);
 	}
 
 	inited = true;

packages/svelte/src/internal/client/dom/elements/bindings/select.js

@@ -53,16 +53,9 @@ export function select_option(select, value, mounting) {
  * inside an `#each` block.
  * @template V
  * @param {HTMLSelectElement} select
- * @param {() => V} [get_value]
  */
-export function init_select(select, get_value) {
-	let mounting = true;
+export function init_select(select) {
 	effect(() => {
-		if (get_value) {
-			select_option(select, untrack(get_value), mounting);
-		}
-		mounting = false;
-
 		var observer = new MutationObserver(() => {
 			// @ts-ignore
 			var value = select.__value;